<?php
/**
 * Admin interface for AI Smart Excerpt
 *
 * @since 2.0.0
 */

// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

class AI_Smart_Excerpt_Admin {

    /**
     * Plugin options.
     *
     * @var array
     */
    private $options;

    /**
     * LLM Service instance.
     *
     * @var LLM_Service
     */
    private $llm_service;

    /**
     * Constructor.
     */
    public function __construct() {
        $this->load_options();
        $this->llm_service = new LLM_Service();

        add_action('admin_menu', array($this, 'add_admin_menu'));
        add_action('admin_init', array($this, 'register_settings'));
        add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
        add_action('wp_ajax_test_api_connection', array($this, 'ajax_test_api_connection'));
        add_action('wp_ajax_regenerate_excerpt', array($this, 'ajax_regenerate_excerpt'));
        add_action('wp_ajax_bulk_generate_excerpts', array($this, 'ajax_bulk_generate_excerpts'));
        add_action('wp_ajax_get_bulk_progress', array($this, 'ajax_get_bulk_progress'));
        add_action('wp_ajax_reset_bulk_progress', array($this, 'ajax_reset_bulk_progress'));
        add_action('wp_ajax_restart_bulk_process', array($this, 'ajax_restart_bulk_process'));
        add_action('wp_ajax_get_excerpt_status', array($this, 'ajax_get_excerpt_status'));
        add_action('wp_ajax_debug_test', array($this, 'ajax_debug_test'));
        add_action('wp_ajax_generate_excerpt_preview', array($this, 'ajax_generate_excerpt_preview'));
        add_action('wp_ajax_save_excerpt_manual', array($this, 'ajax_save_excerpt_manual'));
        add_action('wp_ajax_generate_keywords_preview', array($this, 'ajax_generate_keywords_preview'));
        add_action('wp_ajax_save_keywords_manual', array($this, 'ajax_save_keywords_manual'));

        // SEO integration AJAX handlers
        add_action('wp_ajax_get_seo_status', array($this, 'ajax_get_seo_status'));
        add_action('wp_ajax_bulk_seo_process', array($this, 'ajax_bulk_seo_process'));
        add_action('wp_ajax_get_seo_bulk_progress', array($this, 'ajax_get_seo_bulk_progress'));
        add_action('wp_ajax_debug_seo_bulk', array($this, 'ajax_debug_seo_bulk'));
        add_action('wp_ajax_force_seo_batch', array($this, 'ajax_force_seo_batch'));
        
        // Force regeneration AJAX handlers
        add_action('wp_ajax_force_regenerate_excerpts', array($this, 'ajax_force_regenerate_excerpts'));
        add_action('wp_ajax_force_regenerate_seo', array($this, 'ajax_force_regenerate_seo'));

        // Post editor meta box
        add_action('add_meta_boxes', array($this, 'add_excerpt_meta_box'));
        add_action('save_post', array($this, 'save_excerpt_meta_box'), 5, 2);
    }

    /**
     * Load options (allows for refresh).
     */
    private function load_options() {
        $defaults = array(
            'is_active' => false,
            'admin_only' => false,
            'llm_provider' => 'claude',
            'claude_model' => 'claude-haiku-4-5',
            'openai_model' => 'gpt-5-mini',
            'gemini_model' => 'gemini-1.5-flash',
            'api_key' => '',
            'excerpt_type' => 'seo',
            'max_length' => 300,
            'min_content_length' => 100,
            'featured_image' => false,
            'featured_size' => 'thumbnail',
            'featured_align' => 'alignleft',
            'search_featured' => false,
            'more_link_text' => '',
            'skip_manual' => false,
            'fallback_enabled' => true,
            'background_processing' => true,
            'immediate_threshold' => 1000,
            'batch_size' => 5,
            'batch_delay' => 300,
            // SEO Integration options
            'seo_integration_enabled' => true,
            'auto_assign_categories' => true,
            'auto_assign_tags' => true,
            'max_auto_tags' => 8,
            'create_new_categories' => false,
            'seo_focus_keyword' => true,
            'taxonomy_confidence_threshold' => 0.7,
        );

        $this->options = wp_parse_args(get_option('ai_smart_excerpt_options', array()), $defaults);
    }

    /**
     * Add admin menu.
     */
    public function add_admin_menu() {
        add_options_page(
            esc_html__('AI Smart Excerpt Settings', 'ai-smart-excerpt'),
            esc_html__('AI Smart Excerpt', 'ai-smart-excerpt'),
            'manage_options',
            'ai-smart-excerpt',
            array($this, 'admin_page')
        );
    }

    /**
     * Register plugin settings.
     */
    public function register_settings() {
        register_setting(
            'ai_smart_excerpt_options',
            'ai_smart_excerpt_options',
            array($this, 'validate_options')
        );

        // General Settings Section
        add_settings_section(
            'general_settings',
            esc_html__('General Settings', 'ai-smart-excerpt'),
            array($this, 'general_settings_callback'),
            'ai-smart-excerpt'
        );

        // AI Provider Settings Section
        add_settings_section(
            'ai_settings',
            esc_html__('AI Provider Settings', 'ai-smart-excerpt'),
            array($this, 'ai_settings_callback'),
            'ai-smart-excerpt'
        );

        // Excerpt Settings Section
        add_settings_section(
            'excerpt_settings',
            esc_html__('Excerpt Settings', 'ai-smart-excerpt'),
            array($this, 'excerpt_settings_callback'),
            'ai-smart-excerpt'
        );

        // SEO Integration Settings Section
        add_settings_section(
            'seo_settings',
            esc_html__('SEO Integration', 'ai-smart-excerpt'),
            array($this, 'seo_settings_callback'),
            'ai-smart-excerpt'
        );


        // Display Settings Section
        add_settings_section(
            'display_settings',
            esc_html__('Display Settings', 'ai-smart-excerpt'),
            array($this, 'display_settings_callback'),
            'ai-smart-excerpt'
        );

        // Advanced Settings Section
        add_settings_section(
            'advanced_settings',
            esc_html__('Advanced Settings', 'ai-smart-excerpt'),
            array($this, 'advanced_settings_callback'),
            'ai-smart-excerpt'
        );

        $this->add_settings_fields();
    }

    /**
     * Add settings fields.
     */
    private function add_settings_fields() {
        // General Settings
        add_settings_field(
            'is_active',
            esc_html__('Enable Plugin', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'general_settings',
            array('field' => 'is_active', 'description' => esc_html__('Enable AI-powered excerpt generation', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'admin_only',
            esc_html__('Admin Only Mode', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'general_settings',
            array('field' => 'admin_only', 'description' => esc_html__('Only generate excerpts for admin users (for testing)', 'ai-smart-excerpt'))
        );

        // AI Provider Settings
        add_settings_field(
            'llm_provider',
            esc_html__('AI Provider', 'ai-smart-excerpt'),
            array($this, 'select_field'),
            'ai-smart-excerpt',
            'ai_settings',
            array(
                'field' => 'llm_provider',
                'options' => LLM_Service::get_providers(),
                'description' => esc_html__('Choose your preferred AI provider', 'ai-smart-excerpt')
            )
        );

        add_settings_field(
            'api_key',
            esc_html__('API Key', 'ai-smart-excerpt'),
            array($this, 'password_field'),
            'ai-smart-excerpt',
            'ai_settings',
            array('field' => 'api_key', 'description' => esc_html__('Enter your API key for the selected provider', 'ai-smart-excerpt'))
        );

        // Excerpt Settings
        add_settings_field(
            'excerpt_type',
            esc_html__('Excerpt Type', 'ai-smart-excerpt'),
            array($this, 'select_field'),
            'ai-smart-excerpt',
            'excerpt_settings',
            array(
                'field' => 'excerpt_type',
                'options' => array(
                    'seo' => esc_html__('SEO Optimized', 'ai-smart-excerpt'),
                    'social' => esc_html__('Social Media Optimized', 'ai-smart-excerpt'),
                    'summary' => esc_html__('Summary', 'ai-smart-excerpt'),
                    'teaser' => esc_html__('Engaging Teaser', 'ai-smart-excerpt')
                ),
                'description' => esc_html__('Choose the type of excerpt to generate', 'ai-smart-excerpt')
            )
        );

        add_settings_field(
            'max_length',
            esc_html__('Maximum Length', 'ai-smart-excerpt'),
            array($this, 'number_field'),
            'ai-smart-excerpt',
            'excerpt_settings',
            array(
                'field' => 'max_length',
                'min' => 50,
                'max' => 500,
                'description' => esc_html__('Maximum excerpt length in characters', 'ai-smart-excerpt')
            )
        );

        add_settings_field(
            'min_content_length',
            esc_html__('Minimum Content Length', 'ai-smart-excerpt'),
            array($this, 'number_field'),
            'ai-smart-excerpt',
            'excerpt_settings',
            array(
                'field' => 'min_content_length',
                'min' => 50,
                'max' => 1000,
                'description' => esc_html__('Minimum post content length to process (shorter posts will be skipped)', 'ai-smart-excerpt')
            )
        );


        // Display Settings
        add_settings_field(
            'featured_image',
            esc_html__('Show Featured Image', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'display_settings',
            array('field' => 'featured_image', 'description' => esc_html__('Display featured image with excerpt', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'featured_size',
            esc_html__('Image Size', 'ai-smart-excerpt'),
            array($this, 'select_field'),
            'ai-smart-excerpt',
            'display_settings',
            array(
                'field' => 'featured_size',
                'options' => array(
                    'thumbnail' => esc_html__('Thumbnail', 'ai-smart-excerpt'),
                    'medium' => esc_html__('Medium', 'ai-smart-excerpt'),
                    'large' => esc_html__('Large', 'ai-smart-excerpt'),
                    'full' => esc_html__('Full Size', 'ai-smart-excerpt')
                ),
                'description' => esc_html__('Size of the featured image to display', 'ai-smart-excerpt')
            )
        );

        add_settings_field(
            'featured_align',
            esc_html__('Image Alignment', 'ai-smart-excerpt'),
            array($this, 'select_field'),
            'ai-smart-excerpt',
            'display_settings',
            array(
                'field' => 'featured_align',
                'options' => array(
                    'alignleft' => esc_html__('Left', 'ai-smart-excerpt'),
                    'alignright' => esc_html__('Right', 'ai-smart-excerpt'),
                    'aligncenter' => esc_html__('Center', 'ai-smart-excerpt')
                ),
                'description' => esc_html__('Alignment of the featured image', 'ai-smart-excerpt')
            )
        );

        add_settings_field(
            'search_featured',
            esc_html__('Search for Images', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'display_settings',
            array('field' => 'search_featured', 'description' => esc_html__('If no featured image, search for first image in content', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'more_link_text',
            esc_html__('Read More Text', 'ai-smart-excerpt'),
            array($this, 'text_field'),
            'ai-smart-excerpt',
            'display_settings',
            array('field' => 'more_link_text', 'description' => esc_html__('Text for "read more" link (leave empty to disable)', 'ai-smart-excerpt'))
        );

        // Advanced Settings
        add_settings_field(
            'skip_manual',
            esc_html__('Override Manual Excerpts', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'advanced_settings',
            array('field' => 'skip_manual', 'description' => esc_html__('Generate AI excerpts even when manual excerpts exist', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'fallback_enabled',
            esc_html__('Enable Fallback', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'advanced_settings',
            array('field' => 'fallback_enabled', 'description' => esc_html__('Use simple excerpt generation if AI fails', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'auto_excerpt_on_schedule',
            esc_html__('Auto-Generate Excerpt on Save', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'advanced_settings',
            array('field' => 'auto_excerpt_on_schedule', 'description' => esc_html__('Automatically generate excerpt when a post is saved and excerpt is empty', 'ai-smart-excerpt'))
        );

        add_settings_field(
            'auto_seo_on_schedule',
            esc_html__('Auto-Generate SEO on Save', 'ai-smart-excerpt'),
            array($this, 'checkbox_field'),
            'ai-smart-excerpt',
            'advanced_settings',
            array('field' => 'auto_seo_on_schedule', 'description' => esc_html__('Automatically generate SEO content (categories, tags, keywords) when a post is saved', 'ai-smart-excerpt'))
        );

    }

    /**
     * Section callbacks.
     */
    public function general_settings_callback() {
        echo '<p>' . esc_html__('Basic plugin activation and testing settings.', 'ai-smart-excerpt') . '</p>';
    }

    public function ai_settings_callback() {
        echo '<p>' . esc_html__('Configure your AI provider and API credentials.', 'ai-smart-excerpt') . '</p>';
    }

    public function excerpt_settings_callback() {
        echo '<p>' . esc_html__('Customize how excerpts are generated.', 'ai-smart-excerpt') . '</p>';
    }


    public function display_settings_callback() {
        echo '<p>' . esc_html__('Control how excerpts are displayed on your site.', 'ai-smart-excerpt') . '</p>';
    }

    public function advanced_settings_callback() {
        echo '<p>' . esc_html__('Advanced configuration options.', 'ai-smart-excerpt') . '</p>';
    }

    /**
     * Field callbacks.
     */
    public function checkbox_field($args) {
        $field = $args['field'];
        $value = isset($this->options[$field]) ? $this->options[$field] : false;
        $description = isset($args['description']) ? $args['description'] : '';

        echo '<label>';
        echo '<input type="checkbox" name="ai_smart_excerpt_options[' . esc_attr($field) . ']" value="1" ' . checked(1, $value, false) . ' />';
        echo ' ' . esc_html($description);
        echo '</label>';
    }

    public function text_field($args) {
        $field = $args['field'];
        $value = isset($this->options[$field]) ? $this->options[$field] : '';
        $description = isset($args['description']) ? $args['description'] : '';

        echo '<input type="text" name="ai_smart_excerpt_options[' . esc_attr($field) . ']" value="' . esc_attr($value) . '" class="regular-text" />';
        if ($description) {
            echo '<p class="description">' . esc_html($description) . '</p>';
        }
    }

    public function password_field($args) {
        $field = $args['field'];
        $value = isset($this->options[$field]) ? $this->options[$field] : '';
        $description = isset($args['description']) ? $args['description'] : '';

        echo '<input type="password" name="ai_smart_excerpt_options[' . esc_attr($field) . ']" value="' . esc_attr($value) . '" class="regular-text" />';
        if ($field === 'api_key') {
            echo ' <button type="button" id="test-api-connection" class="button button-secondary">' . esc_html__('Test Connection', 'ai-smart-excerpt') . '</button>';
            echo '<div id="api-test-result"></div>';
        }
        if ($description) {
            echo '<p class="description">' . esc_html($description) . '</p>';
        }
    }

    public function number_field($args) {
        $field = $args['field'];
        $value = isset($this->options[$field]) ? $this->options[$field] : '';
        $min = isset($args['min']) ? $args['min'] : '';
        $max = isset($args['max']) ? $args['max'] : '';
        $description = isset($args['description']) ? $args['description'] : '';

        echo '<input type="number" name="ai_smart_excerpt_options[' . esc_attr($field) . ']" value="' . esc_attr($value) . '" min="' . esc_attr($min) . '" max="' . esc_attr($max) . '" class="small-text" />';
        if ($description) {
            echo '<p class="description">' . esc_html($description) . '</p>';
        }
    }

    public function select_field($args) {
        $field = $args['field'];
        $value = isset($this->options[$field]) ? $this->options[$field] : '';
        $options = $args['options'];
        $description = isset($args['description']) ? $args['description'] : '';

        echo '<select name="ai_smart_excerpt_options[' . esc_attr($field) . ']">';
        foreach ($options as $key => $label) {
            echo '<option value="' . esc_attr($key) . '" ' . selected($value, $key, false) . '>' . esc_html($label) . '</option>';
        }
        echo '</select>';

        if ($description) {
            echo '<p class="description">' . esc_html($description) . '</p>';
        }
    }

    /**
     * Validate options.
     *
     * @param array $input Raw input data.
     * @return array Validated options.
     */
    public function validate_options($input) {
        // Start with existing options to preserve values not in current form
        $existing_options = get_option('ai_smart_excerpt_options', array());
        $validated = $existing_options;

        // Determine which form section was submitted
        $form_section = isset($input['ai_smart_excerpt_form_section']) ? $input['ai_smart_excerpt_form_section'] : 'unknown';

        // Define which fields belong to each form section
        $section_fields = array(
            'general' => array('is_active', 'admin_only'),
            'ai_provider' => array('llm_provider', 'api_key', 'claude_model', 'openai_model', 'gemini_model'),
            'excerpts' => array('excerpt_type', 'max_length', 'min_content_length'),
            'seo' => array('seo_integration_enabled', 'seo_focus_keyword', 'auto_assign_categories', 'create_new_categories', 'auto_assign_tags', 'max_auto_tags', 'taxonomy_confidence_threshold', 'keywords_enabled', 'keyword_type', 'max_keywords', 'keywords_as_tags', 'keywords_display_meta'),
            'display' => array('featured_image', 'featured_size', 'featured_align', 'search_featured', 'more_link_text'),
            'advanced' => array('skip_manual', 'fallback_enabled', 'auto_excerpt_on_schedule', 'auto_seo_on_schedule')
        );

        // Boolean fields
        $boolean_fields = array('is_active', 'admin_only', 'featured_image', 'search_featured', 'skip_manual', 'fallback_enabled', 'seo_integration_enabled', 'seo_focus_keyword', 'auto_assign_categories', 'create_new_categories', 'auto_assign_tags', 'keywords_enabled', 'keywords_as_tags', 'keywords_display_meta', 'auto_excerpt_on_schedule', 'auto_seo_on_schedule');

        // Only update fields that belong to the submitted form section
        if (isset($section_fields[$form_section])) {
            $fields_to_update = $section_fields[$form_section];

            foreach ($fields_to_update as $field) {
                if (in_array($field, $boolean_fields)) {
                    // Handle boolean fields - now they will always be present due to hidden field
                    $validated[$field] = isset($input[$field]) && $input[$field] === '1';
                } else {
                    // Handle other fields if present in input
                    if (isset($input[$field])) {
                        $validated[$field] = $input[$field]; // Will be sanitized below
                    }
                }
            }
        } else {
            // Fallback: if no section specified, handle all boolean fields for backward compatibility
            foreach ($boolean_fields as $field) {
                if (array_key_exists($field, $input)) {
                    $validated[$field] = isset($input[$field]) && $input[$field] === '1';
                }
            }

            // Also handle non-boolean fields if they exist in input
            $all_fields = array_merge(
                $section_fields['general'] ?? array(),
                $section_fields['ai_provider'] ?? array(),
                $section_fields['excerpts'] ?? array(),
                $section_fields['keywords'] ?? array(),
                $section_fields['display'] ?? array(),
                $section_fields['advanced'] ?? array()
            );

            foreach ($all_fields as $field) {
                if (!in_array($field, $boolean_fields) && isset($input[$field])) {
                    $validated[$field] = $input[$field];
                }
            }
        }

        // Apply proper sanitization to validated fields
        // Text fields
        $text_fields = array('api_key', 'more_link_text');
        foreach ($text_fields as $field) {
            if (isset($validated[$field]) && $validated[$field] !== $existing_options[$field]) {
                $validated[$field] = sanitize_text_field($validated[$field]);
            }
        }

        // Select fields with specific options
        $select_fields = array(
            'llm_provider' => array_keys(LLM_Service::get_providers()),
            'claude_model' => array_keys(LLM_Service::get_models_for_provider('claude')),
            'openai_model' => array_keys(LLM_Service::get_models_for_provider('openai')),
            'gemini_model' => array_keys(LLM_Service::get_models_for_provider('gemini')),
            'excerpt_type' => array('seo', 'social', 'summary', 'teaser'),
            'keyword_type' => array('seo', 'tags', 'focus'),
            'featured_size' => array('thumbnail', 'medium', 'large', 'full'),
            'featured_align' => array('alignleft', 'alignright', 'aligncenter')
        );

        foreach ($select_fields as $field => $valid_options) {
            if (isset($validated[$field])) {
                if (!in_array($validated[$field], $valid_options)) {
                    // Invalid value, revert to existing or default
                    if (isset($existing_options[$field]) && in_array($existing_options[$field], $valid_options)) {
                        $validated[$field] = $existing_options[$field];
                    } else {
                        $validated[$field] = $valid_options[0]; // Use first valid option as default
                    }
                }
                // Value is valid, keep it as is
            } else if (isset($input[$field]) && in_array($input[$field], $valid_options)) {
                // Field wasn't processed by section logic but exists in input and is valid
                $validated[$field] = $input[$field];
            }
        }

        // Number fields
        $number_fields = array(
            'max_length' => array('min' => 50, 'max' => 500),
            'min_content_length' => array('min' => 50, 'max' => 1000),
            'max_keywords' => array('min' => 1, 'max' => 20),
        );

        foreach ($number_fields as $field => $limits) {
            if (isset($validated[$field])) {
                if ($validated[$field] !== $existing_options[$field]) {
                    $value = intval($validated[$field]);
                    $validated[$field] = max($limits['min'], min($limits['max'], $value));
                }
            } else if (isset($input[$field])) {
                // Field wasn't processed by section logic but exists in input
                $value = intval($input[$field]);
                $validated[$field] = max($limits['min'], min($limits['max'], $value));
            }
        }

        // Validate API key format
        if (!empty($validated['api_key']) && !empty($validated['llm_provider'])) {
            if (!$this->llm_service->validate_api_key_format($validated['llm_provider'], $validated['api_key'])) {
                add_settings_error(
                    'ai_smart_excerpt_options',
                    'invalid_api_key',
                    esc_html__('API key format is invalid for the selected provider.', 'ai-smart-excerpt')
                );
            }
        }

        return $validated;
    }

    /**
     * Admin page display.
     */
    public function admin_page() {
        if (!current_user_can('manage_options')) {
            return;
        }

        // Reload options to ensure we have the latest values
        $this->load_options();

        $active_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'overview';
        ?>
        <div class="wrap ai-smart-excerpt-admin">
            <h1><?php echo esc_html(get_admin_page_title()); ?></h1>

            <?php settings_errors('ai_smart_excerpt_options'); ?>

            <!-- Tab Navigation -->
            <nav class="nav-tab-wrapper">
                <a href="?page=ai-smart-excerpt&tab=overview" class="nav-tab <?php echo $active_tab === 'overview' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Overview & Settings', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=ai-provider" class="nav-tab <?php echo $active_tab === 'ai-provider' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('AI Provider', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=excerpts" class="nav-tab <?php echo $active_tab === 'excerpts' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Excerpt Settings', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=seo" class="nav-tab <?php echo $active_tab === 'seo' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('SEO Integration', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=display" class="nav-tab <?php echo $active_tab === 'display' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Display Options', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=advanced" class="nav-tab <?php echo $active_tab === 'advanced' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Advanced', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=status" class="nav-tab <?php echo $active_tab === 'status' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Status & Tools', 'ai-smart-excerpt'); ?>
                </a>
                <a href="?page=ai-smart-excerpt&tab=recommendations" class="nav-tab <?php echo $active_tab === 'recommendations' ? 'nav-tab-active' : ''; ?>">
                    <?php esc_html_e('Recommended Plugins', 'ai-smart-excerpt'); ?>
                </a>
            </nav>

            <div class="tab-content">
                <?php
                switch ($active_tab) {
                    case 'overview':
                        $this->render_overview_tab();
                        break;
                    case 'ai-provider':
                        $this->render_ai_provider_tab();
                        break;
                    case 'excerpts':
                        $this->render_excerpt_settings_tab();
                        break;
                    case 'seo':
                        $this->render_seo_settings_tab();
                        break;
                    case 'display':
                        $this->render_display_settings_tab();
                        break;
                    case 'advanced':
                        $this->render_advanced_settings_tab();
                        break;
                    case 'status':
                        $this->render_status_tab();
                        break;
                    case 'recommendations':
                        $this->render_recommendations_tab();
                        break;
                    default:
                        $this->render_overview_tab();
                        break;
                }
                ?>
            </div>
        </div>
        <?php
    }

    /**
     * Enqueue admin scripts.
     *
     * @param string $hook Current admin page hook.
     */
    public function enqueue_admin_scripts($hook) {
        $load_on_pages = array(
            'settings_page_ai-smart-excerpt',
            'post.php',
            'post-new.php'
        );

        if (!in_array($hook, $load_on_pages)) {
            return;
        }

        // Common scripts for all pages
        wp_enqueue_script(
            'ai-smart-excerpt-admin',
            AI_SMART_EXCERPT_PLUGIN_URL . 'assets/admin.js',
            array('jquery'),
            AI_SMART_EXCERPT_VERSION,
            true
        );

        wp_enqueue_style(
            'ai-smart-excerpt-admin',
            AI_SMART_EXCERPT_PLUGIN_URL . 'assets/admin.css',
            array(),
            AI_SMART_EXCERPT_VERSION
        );

        // Post editor specific scripts
        if (in_array($hook, array('post.php', 'post-new.php'))) {
            wp_enqueue_script(
                'ai-smart-excerpt-post-editor',
                AI_SMART_EXCERPT_PLUGIN_URL . 'assets/post-editor.js',
                array('jquery', 'ai-smart-excerpt-admin'),
                AI_SMART_EXCERPT_VERSION,
                true
            );
        }

        // Localize script data
        $localize_data = array(
            'ajax_url' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('ai_smart_excerpt_ajax'),
            'has_api_key' => !empty($this->options['api_key']),
            'strings' => array(
                'testing' => esc_html__('Testing...', 'ai-smart-excerpt'),
                'success' => esc_html__('Success!', 'ai-smart-excerpt'),
                'error' => esc_html__('Error occurred', 'ai-smart-excerpt'),
                'generating' => esc_html__('Generating...', 'ai-smart-excerpt'),
                'generated' => esc_html__('Generated successfully', 'ai-smart-excerpt'),
                'test_connection' => esc_html__('Test Connection', 'ai-smart-excerpt'),
                'please_enter_api_key' => esc_html__('Please enter an API key first.', 'ai-smart-excerpt'),
                'bulk_confirm' => esc_html__('This will generate AI excerpts for all posts that don\'t have them yet. This process runs in the background and may take some time. Continue?', 'ai-smart-excerpt'),
                'starting' => esc_html__('Starting...', 'ai-smart-excerpt'),
                'initializing' => esc_html__('Initializing...', 'ai-smart-excerpt'),
                'calculating' => esc_html__('Calculating...', 'ai-smart-excerpt'),
                'processing' => esc_html__('Processing...', 'ai-smart-excerpt'),
                'restarting' => esc_html__('Restarting...', 'ai-smart-excerpt'),
                'resetting' => esc_html__('Resetting...', 'ai-smart-excerpt'),
                'debugging' => esc_html__('Debugging...', 'ai-smart-excerpt'),
                'forcing' => esc_html__('Forcing...', 'ai-smart-excerpt'),
                'generate_all_missing' => esc_html__('Generate All Missing Excerpts', 'ai-smart-excerpt'),
                'restart_processing' => esc_html__('Restart Processing', 'ai-smart-excerpt'),
                'reset_bulk_progress' => esc_html__('Reset Bulk Progress', 'ai-smart-excerpt'),
                'debug_test' => esc_html__('Debug Test', 'ai-smart-excerpt'),
                'bulk_seo_processing' => esc_html__('Bulk SEO Processing', 'ai-smart-excerpt'),
                'debug_seo_bulk' => esc_html__('Debug SEO Bulk', 'ai-smart-excerpt'),
                'force_next_batch' => esc_html__('Force Next Batch', 'ai-smart-excerpt'),
                'processing_seo' => esc_html__('Processing SEO...', 'ai-smart-excerpt'),
                'seo_completed' => esc_html__('SEO Completed', 'ai-smart-excerpt'),
                'total_posts' => esc_html__('Total Posts:', 'ai-smart-excerpt'),
                'with_ai_excerpts' => esc_html__('With AI Excerpts:', 'ai-smart-excerpt'),
                'without_excerpts' => esc_html__('Without Excerpts:', 'ai-smart-excerpt'),
                'progress' => esc_html__('Progress:', 'ai-smart-excerpt'),
                'pending_jobs' => esc_html__('Pending Jobs:', 'ai-smart-excerpt'),
                'status' => esc_html__('Status:', 'ai-smart-excerpt'),
                'bulk_processing_active' => esc_html__('Bulk processing active', 'ai-smart-excerpt'),
                'error_loading_status' => esc_html__('Error loading status:', 'ai-smart-excerpt'),
                'failed_load_status' => esc_html__('Failed to load excerpt status. Please check your server logs.', 'ai-smart-excerpt'),
                'processing_stalled' => esc_html__('Bulk processing appears stalled. Last update was %d minutes ago. Try "Restart Processing" button.', 'ai-smart-excerpt'),
                'processing_stopped' => esc_html__('Bulk processing stopped unexpectedly. You can start a new bulk operation or check the Status & Tools tab for more information.', 'ai-smart-excerpt'),
                'seo_processing_stopped' => esc_html__('SEO processing stopped unexpectedly.', 'ai-smart-excerpt'),
                'seo_plugin' => esc_html__('SEO Plugin:', 'ai-smart-excerpt'),
                'ai_categories' => esc_html__('AI Categories:', 'ai-smart-excerpt'),
                'ai_tags' => esc_html__('AI Tags:', 'ai-smart-excerpt'),
                'focus_keywords' => esc_html__('Focus Keywords:', 'ai-smart-excerpt'),
                'seo_integration' => esc_html__('SEO Integration:', 'ai-smart-excerpt'),
                'error_loading_seo_status' => esc_html__('Error loading SEO status:', 'ai-smart-excerpt'),
                'failed_load_seo_status' => esc_html__('Failed to load SEO status. AJAX Error:', 'ai-smart-excerpt'),
                'restart_confirm' => esc_html__('This will restart the current bulk processing operation. Continue?', 'ai-smart-excerpt'),
                'reset_confirm' => esc_html__('This will reset any stuck bulk processing operations. Are you sure?', 'ai-smart-excerpt'),
                'seo_confirm' => esc_html__('This will add missing tags and focus keywords to all your posts. This process runs in the background and may take some time. Continue?', 'ai-smart-excerpt'),
                'starting_seo' => esc_html__('Starting SEO Processing...', 'ai-smart-excerpt'),
                'debug_result' => esc_html__('Debug test result: ', 'ai-smart-excerpt'),
                'debug_failed' => esc_html__('Debug test failed: ', 'ai-smart-excerpt'),
                'debug_error' => esc_html__('Debug Error: ', 'ai-smart-excerpt'),
                'force_error' => esc_html__('Force Error: ', 'ai-smart-excerpt'),
                'force_failed' => esc_html__('Force failed: ', 'ai-smart-excerpt'),
                'batch_forced' => esc_html__('Batch forced. Progress: ', 'ai-smart-excerpt'),
                'unknown_error' => esc_html__('Unknown error occurred', 'ai-smart-excerpt'),
                'failed_update_bulk' => esc_html__('Failed to update bulk progress', 'ai-smart-excerpt'),
                'failed_update_seo_bulk' => esc_html__('Failed to update SEO bulk progress', 'ai-smart-excerpt'),
                'could_not_check_bulk' => esc_html__('Could not check existing bulk progress', 'ai-smart-excerpt'),
                'could_not_check_seo_bulk' => esc_html__('Could not check existing SEO bulk progress', 'ai-smart-excerpt'),
                'bulk_completed' => esc_html__('Bulk generation completed! Processed: ', 'ai-smart-excerpt'),
                'seo_bulk_completed' => esc_html__('Bulk SEO processing completed! Processed: ', 'ai-smart-excerpt'),
                'failed_generate_excerpt' => esc_html__('Failed to generate excerpt', 'ai-smart-excerpt'),
                'last_generated' => esc_html__('Last generated: ', 'ai-smart-excerpt'),
                'copied' => esc_html__('Copied!', 'ai-smart-excerpt'),
                'copy' => esc_html__('Copy', 'ai-smart-excerpt'),
                'choose_excerpt_type' => esc_html__('Choose the type of excerpt to generate', 'ai-smart-excerpt'),
                'max_length_chars' => esc_html__('Maximum length in characters', 'ai-smart-excerpt'),
                'failed_generate_keywords' => esc_html__('Failed to generate keywords', 'ai-smart-excerpt'),
                'choose_keyword_type' => esc_html__('Choose the type of keywords to generate', 'ai-smart-excerpt'),
                'max_num_keywords' => esc_html__('Maximum number of keywords', 'ai-smart-excerpt'),
                'api_key_claude' => esc_html__('Enter your Claude API key (starts with sk-ant-)', 'ai-smart-excerpt'),
                'api_key_openai' => esc_html__('Enter your OpenAI API key (starts with sk-)', 'ai-smart-excerpt'),
                'api_key_gemini' => esc_html__('Enter your Google Gemini API key', 'ai-smart-excerpt')
            )
        );

        // Add post ID for post editor pages
        if (in_array($hook, array('post.php', 'post-new.php'))) {
            global $post;
            if ($post) {
                $localize_data['post_id'] = $post->ID;
            }
        }

        wp_localize_script('ai-smart-excerpt-admin', 'aiSmartExcerpt', $localize_data);
    }

    /**
     * AJAX handler for testing API connection.
     */
    public function ajax_test_api_connection() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $provider = sanitize_text_field($_POST['provider']);
        $api_key = sanitize_text_field($_POST['api_key']);

        $result = $this->llm_service->test_api_connection($provider, $api_key);

        wp_send_json($result);
    }


    /**
     * AJAX handler for regenerating single excerpt.
     */
    public function ajax_regenerate_excerpt() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $post_id = intval($_POST['post_id']);
        $post = get_post($post_id);

        if (!$post) {
            wp_send_json_error(esc_html__('Post not found', 'ai-smart-excerpt'));
        }

        $plugin = AI_Smart_Excerpt::get_instance();
        $plugin->generate_excerpt_background($post_id, true);

        $excerpt = get_post_meta($post_id, '_ai_smart_excerpt', true);
        if ($excerpt) {
            wp_send_json_success(array(
                'message' => esc_html__('Excerpt regenerated successfully', 'ai-smart-excerpt'),
                'excerpt' => wp_trim_words($excerpt, 20)
            ));
        } else {
            wp_send_json_error(esc_html__('Failed to generate excerpt', 'ai-smart-excerpt'));
        }
    }

    /**
     * AJAX handler for bulk generating excerpts.
     */
    public function ajax_bulk_generate_excerpts() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        // Check if bulk processing is already running
        $bulk_progress = get_option('ai_smart_excerpt_bulk_progress', array('status' => 'idle'));

        if ($bulk_progress['status'] === 'running') {
            wp_send_json_error(esc_html__('Bulk processing is already running', 'ai-smart-excerpt'));
            return;
        }

        // Reset progress for new bulk operation
        update_option('ai_smart_excerpt_bulk_progress', array(
            'status' => 'idle',
            'total' => 0,
            'processed' => 0,
            'current_batch' => 0,
            'errors' => 0,
            'started_at' => 0
        ));

        // Schedule bulk processing to start immediately
        wp_schedule_single_event(time() + 5, 'ai_smart_excerpt_bulk_process');

        // Also schedule a backup trigger in case the first one fails
        wp_schedule_single_event(time() + 60, 'ai_smart_excerpt_bulk_process_backup');

        wp_send_json_success(array(
            'message' => esc_html__('Bulk excerpt generation started. Progress will be shown below.', 'ai-smart-excerpt')
        ));
    }

    /**
     * AJAX handler for getting bulk generation progress.
     */
    public function ajax_get_bulk_progress() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $bulk_progress = get_option('ai_smart_excerpt_bulk_progress', array(
            'status' => 'idle',
            'total' => 0,
            'processed' => 0,
            'current_batch' => 0,
            'errors' => 0,
            'started_at' => 0
        ));

        // Calculate additional progress info
        $percentage = 0;
        if ($bulk_progress['total'] > 0) {
            $percentage = round(($bulk_progress['processed'] / $bulk_progress['total']) * 100, 1);
        }

        $remaining = max(0, $bulk_progress['total'] - $bulk_progress['processed']);

        // Calculate estimated time remaining
        $estimated_time = '';
        if ($bulk_progress['status'] === 'running' && $bulk_progress['processed'] > 0) {
            $elapsed = time() - $bulk_progress['started_at'];
            $rate = $bulk_progress['processed'] / $elapsed; // posts per second
            if ($rate > 0 && $remaining > 0) {
                $estimated_seconds = $remaining / $rate;
                if ($estimated_seconds < 60) {
                    // translators: %d is the number of seconds remaining
                    $estimated_time = sprintf(esc_html__('%d seconds', 'ai-smart-excerpt'), ceil($estimated_seconds));
                } else {
                    // translators: %d is the number of minutes remaining
                    $estimated_time = sprintf(esc_html__('%d minutes', 'ai-smart-excerpt'), ceil($estimated_seconds / 60));
                }
            }
        }

        // Check if bulk processing is scheduled
        $is_scheduled = wp_next_scheduled('ai_smart_excerpt_bulk_process') ? true : false;

        wp_send_json_success(array(
            'status' => $bulk_progress['status'],
            'total' => $bulk_progress['total'],
            'processed' => $bulk_progress['processed'],
            'remaining' => $remaining,
            'percentage' => $percentage,
            'current_batch' => $bulk_progress['current_batch'],
            'errors' => $bulk_progress['errors'],
            'estimated_time' => $estimated_time,
            'is_scheduled' => $is_scheduled,
            'last_updated' => isset($bulk_progress['last_updated']) ? $bulk_progress['last_updated'] : 0,
            'completion_reason' => isset($bulk_progress['completion_reason']) ? $bulk_progress['completion_reason'] : null,
            'last_error' => isset($bulk_progress['last_error']) ? $bulk_progress['last_error'] : null,
            'last_post_time' => isset($bulk_progress['last_post_time']) ? $bulk_progress['last_post_time'] : null,
            'started_at' => isset($bulk_progress['started_at']) ? $bulk_progress['started_at'] : 0
        ));
    }

    /**
     * AJAX handler for resetting bulk generation progress.
     */
    public function ajax_reset_bulk_progress() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        // Clear all scheduled bulk processing events
        wp_clear_scheduled_hook('ai_smart_excerpt_bulk_process');

        // Reset progress
        delete_option('ai_smart_excerpt_bulk_progress');

        wp_send_json_success(array(
            'message' => esc_html__('Bulk processing has been reset. You can now start a new bulk generation.', 'ai-smart-excerpt')
        ));
    }

    /**
     * AJAX handler for restarting bulk processing.
     */
    public function ajax_restart_bulk_process() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        // Clear any existing scheduled events
        wp_clear_scheduled_hook('ai_smart_excerpt_bulk_process');
        wp_clear_scheduled_hook('ai_smart_excerpt_bulk_process_backup');

        // Schedule immediate restart
        wp_schedule_single_event(time() + 5, 'ai_smart_excerpt_bulk_process');
        wp_schedule_single_event(time() + 60, 'ai_smart_excerpt_bulk_process_backup');

        wp_send_json_success(array(
            'message' => esc_html__('Bulk processing restarted. Monitoring will resume.', 'ai-smart-excerpt')
        ));
    }

    /**
     * AJAX handler for getting excerpt status.
     */
    public function ajax_get_excerpt_status() {
        // Skip nonce check temporarily for debugging
        // check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            // Simple database queries
            $posts = get_posts(array(
                'post_type' => array('post', 'page'),
                'post_status' => 'publish',
                'posts_per_page' => -1,
                'fields' => 'ids'
            ));

            $total_posts = count($posts);

            // Count posts with AI excerpts
            $with_excerpts = 0;
            foreach ($posts as $post_id) {
                $excerpt = get_post_meta($post_id, '_ai_smart_excerpt', true);
                if (!empty($excerpt)) {
                    $with_excerpts++;
                }
            }

            $without_excerpts = $total_posts - $with_excerpts;
            $percentage = $total_posts > 0 ? round(($with_excerpts / $total_posts) * 100, 1) : 0;

            wp_send_json_success(array(
                'total_posts' => $total_posts,
                'with_excerpts' => $with_excerpts,
                'without_excerpts' => $without_excerpts,
                'pending_jobs' => 0,
                'bulk_running' => false,
                'percentage' => $percentage
            ));

        } catch (Exception $e) {
            wp_send_json_error('Exception: ' . $e->getMessage());
        }
    }

    /**
     * Simple AJAX debug test.
     */
    public function ajax_debug_test() {
        wp_send_json_success(array(
            'message' => 'AJAX is working!',
            'timestamp' => current_time('mysql'),
            'user_id' => get_current_user_id()
        ));
    }

    /**
     * Add excerpt meta box to post editor.
     */
    public function add_excerpt_meta_box() {
        $post_types = array('post', 'page');

        foreach ($post_types as $post_type) {
            add_meta_box(
                'ai-smart-excerpt-meta-box',
                esc_html__('AI Smart Excerpt & Keywords', 'ai-smart-excerpt'),
                array($this, 'excerpt_meta_box_callback'),
                $post_type,
                'normal',
                'high'
            );
        }
    }

    /**
     * Meta box callback for excerpt generation.
     *
     * @param WP_Post $post Current post object.
     */
    public function excerpt_meta_box_callback($post) {
        // Add nonce for security
        wp_nonce_field('ai_smart_excerpt_meta_box', 'ai_smart_excerpt_meta_box_nonce');

        // Get current AI excerpt
        $ai_excerpt = get_post_meta($post->ID, '_ai_smart_excerpt', true);
        $generated_at = get_post_meta($post->ID, '_ai_excerpt_generated_at', true);
        $is_active = $this->options['is_active'];

        // Get current AI keywords
        $ai_keywords = get_post_meta($post->ID, '_ai_smart_keywords', true);
        $keywords_generated_at = get_post_meta($post->ID, '_ai_keywords_generated_at', true);
        $keywords_enabled_setting = $this->options['keywords_enabled'];
        $keywords_display_meta = $this->options['keywords_display_meta'];
        ?>
        <div class="ai-excerpt-meta-box">
            <?php if (!$is_active): ?>
                <div class="notice notice-warning inline">
                    <p><?php esc_html_e('AI Smart Excerpt is not active. Please configure it in Settings → AI Smart Excerpt', 'ai-smart-excerpt'); ?></p>
                </div>
            <?php endif; ?>

            <!-- Excerpt Section -->
            <div class="ai-excerpt-controls">
                <div class="excerpt-type-selector">
                    <label for="ai-excerpt-type"><?php esc_html_e('Excerpt Type:', 'ai-smart-excerpt'); ?></label>
                    <select id="ai-excerpt-type">
                        <option value="seo" <?php selected($this->options['excerpt_type'], 'seo'); ?>>
                            <?php esc_html_e('SEO Optimized', 'ai-smart-excerpt'); ?>
                        </option>
                        <option value="social" <?php selected($this->options['excerpt_type'], 'social'); ?>>
                            <?php esc_html_e('Social Media', 'ai-smart-excerpt'); ?>
                        </option>
                        <option value="summary" <?php selected($this->options['excerpt_type'], 'summary'); ?>>
                            <?php esc_html_e('Summary', 'ai-smart-excerpt'); ?>
                        </option>
                        <option value="teaser" <?php selected($this->options['excerpt_type'], 'teaser'); ?>>
                            <?php esc_html_e('Engaging Teaser', 'ai-smart-excerpt'); ?>
                        </option>
                    </select>
                </div>

                <div class="excerpt-length-selector">
                    <label for="ai-excerpt-length"><?php esc_html_e('Max Length:', 'ai-smart-excerpt'); ?></label>
                    <input type="number" id="ai-excerpt-length" value="<?php echo esc_attr($this->options['max_length']); ?>" min="50" max="500" />
                    <span class="description"><?php esc_html_e('characters', 'ai-smart-excerpt'); ?></span>
                </div>

                <div class="excerpt-actions">
                    <button type="button" id="generate-excerpt-btn" class="button button-primary" <?php disabled(!$is_active); ?>>
                        <span class="dashicons dashicons-admin-generic"></span>
                        <?php esc_html_e('Generate AI Excerpt', 'ai-smart-excerpt'); ?>
                    </button>

                    <?php if ($ai_excerpt): ?>
                        <button type="button" id="regenerate-excerpt-btn" class="button button-secondary">
                            <span class="dashicons dashicons-update"></span>
                            <?php esc_html_e('Regenerate', 'ai-smart-excerpt'); ?>
                        </button>
                    <?php endif; ?>
                </div>
            </div>

            <div class="ai-excerpt-status" id="excerpt-generation-status"></div>

            <div class="ai-excerpt-editor">
                <label for="ai-excerpt-text"><?php esc_html_e('Generated Excerpt:', 'ai-smart-excerpt'); ?></label>
                <textarea id="ai-excerpt-text" name="ai_smart_excerpt_manual" rows="4" class="widefat"><?php echo esc_textarea($ai_excerpt); ?></textarea>
                <p class="description">
                    <?php esc_html_e('You can edit the generated excerpt manually. Changes will be saved with the post.', 'ai-smart-excerpt'); ?>
                    <span id="excerpt-char-count"><?php echo esc_html(strlen($ai_excerpt)); ?></span> <?php esc_html_e('characters', 'ai-smart-excerpt'); ?>
                </p>

                <?php if ($generated_at): ?>
                    <p class="excerpt-meta">
                        <?php // translators: %s is the formatted date and time when the excerpt was last generated ?>
                        <small><?php printf(esc_html__('Last generated: %s', 'ai-smart-excerpt'), esc_html(date_i18n(get_option('date_format') . ' ' . get_option('time_format'), $generated_at))); ?></small>
                    </p>
                <?php endif; ?>
            </div>
        </div>

        <!-- Keywords Section -->
        <?php if ($keywords_enabled_setting && $keywords_display_meta): ?>
        <div class="ai-keywords-meta-box">
            <h4><?php esc_html_e('AI Keywords', 'ai-smart-excerpt'); ?></h4>

            <div class="ai-keywords-controls">
                <div class="keywords-type-selector">
                    <label for="ai-keywords-type"><?php esc_html_e('Keyword Type:', 'ai-smart-excerpt'); ?></label>
                    <select id="ai-keywords-type">
                        <option value="seo" <?php selected($this->options['keyword_type'], 'seo'); ?>>
                            <?php esc_html_e('SEO Keywords', 'ai-smart-excerpt'); ?>
                        </option>
                        <option value="tags" <?php selected($this->options['keyword_type'], 'tags'); ?>>
                            <?php esc_html_e('Tags', 'ai-smart-excerpt'); ?>
                        </option>
                        <option value="focus" <?php selected($this->options['keyword_type'], 'focus'); ?>>
                            <?php esc_html_e('Focus Keywords', 'ai-smart-excerpt'); ?>
                        </option>
                    </select>
                </div>

                <div class="keywords-count-selector">
                    <label for="ai-keywords-count"><?php esc_html_e('Max Count:', 'ai-smart-excerpt'); ?></label>
                    <input type="number" id="ai-keywords-count" value="<?php echo esc_attr($this->options['max_keywords']); ?>" min="1" max="20" />
                </div>

                <div class="keywords-actions">
                    <button type="button" id="generate-keywords-btn" class="button button-primary">
                        <span class="dashicons dashicons-admin-generic"></span>
                        <?php esc_html_e('Generate Keywords', 'ai-smart-excerpt'); ?>
                    </button>

                    <?php if ($ai_keywords && is_array($ai_keywords)): ?>
                        <button type="button" id="regenerate-keywords-btn" class="button button-secondary">
                            <span class="dashicons dashicons-update"></span>
                            <?php esc_html_e('Regenerate', 'ai-smart-excerpt'); ?>
                        </button>
                    <?php endif; ?>
                </div>
            </div>

            <div class="ai-keywords-status" id="keywords-generation-status"></div>

            <div class="ai-keywords-editor">
                <label for="ai-keywords-text"><?php esc_html_e('Keywords:', 'ai-smart-excerpt'); ?></label>
                <textarea id="ai-keywords-text" name="ai_smart_keywords_manual" rows="3" class="widefat"><?php echo esc_textarea(is_array($ai_keywords) ? implode(', ', $ai_keywords) : $ai_keywords); ?></textarea>
                <p class="description">
                    <?php esc_html_e('Enter keywords separated by commas. Changes will be saved with the post.', 'ai-smart-excerpt'); ?>
                    <span id="keywords-count"><?php echo esc_html(is_array($ai_keywords) ? count($ai_keywords) : 0); ?></span> <?php esc_html_e('keywords', 'ai-smart-excerpt'); ?>
                </p>

                <?php if ($keywords_generated_at): ?>
                    <p class="keywords-meta">
                        <?php // translators: %s is the formatted date and time when the keywords were last generated ?>
                        <small><?php printf(esc_html__('Last generated: %s', 'ai-smart-excerpt'), esc_html(date_i18n(get_option('date_format') . ' ' . get_option('time_format'), $keywords_generated_at))); ?></small>
                    </p>
                <?php endif; ?>
            </div>
        </div>
        <?php endif; ?>

        <style>
        .ai-excerpt-meta-box {
            padding: 10px 0;
        }

        .ai-excerpt-controls {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }

        .excerpt-type-selector, .excerpt-length-selector {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .excerpt-type-selector label, .excerpt-length-selector label {
            font-weight: 600;
            margin: 0;
        }

        .excerpt-actions {
            margin-left: auto;
        }

        .excerpt-actions .button {
            margin-left: 5px;
        }

        .excerpt-actions .dashicons {
            font-size: 14px;
            line-height: 1;
            margin-right: 3px;
        }

        .ai-excerpt-status {
            margin-bottom: 15px;
            min-height: 20px;
        }

        .ai-excerpt-editor textarea {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            line-height: 1.5;
        }

        .excerpt-meta {
            margin-top: 10px;
            color: #666;
        }

        .ai-excerpt-preview {
            margin-top: 20px;
            border-top: 1px solid #ddd;
            padding-top: 15px;
        }

        .excerpt-preview-tabs {
            display: flex;
            gap: 5px;
            margin-bottom: 10px;
        }

        .preview-tab {
            padding: 5px 12px;
            border: 1px solid #ddd;
            background: #f7f7f7;
            cursor: pointer;
            border-radius: 3px;
        }

        .preview-tab.active {
            background: #2271b1;
            color: white;
            border-color: #2271b1;
        }

        .excerpt-preview-content {
            border: 1px solid #ddd;
            padding: 15px;
            border-radius: 3px;
            background: #f9f9f9;
            min-height: 60px;
        }

        .preview-content {
            display: none;
        }

        .preview-content.active {
            display: block;
        }

        .excerpt-char-count {
            font-weight: 600;
            color: #2271b1;
        }

        .generating {
            opacity: 0.6;
            pointer-events: none;
        }

        .generation-success {
            color: #00a32a;
        }

        .generation-error {
            color: #d63638;
        }

        /* Keywords Section Styles */
        .ai-keywords-meta-box h4 {
            color: #6f42c1;
            margin: 0 0 15px 0;
            font-size: 16px;
            font-weight: 600;
        }

        .ai-keywords-controls {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }

        .keywords-type-selector, .keywords-count-selector {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .keywords-type-selector label, .keywords-count-selector label {
            font-weight: 600;
            margin: 0;
        }

        .keywords-actions {
            margin-left: auto;
        }

        .keywords-actions .button {
            margin-left: 5px;
        }

        .keywords-actions .dashicons {
            font-size: 14px;
            line-height: 1;
            margin-right: 3px;
        }

        .ai-keywords-status {
            margin-bottom: 15px;
            min-height: 20px;
        }

        .ai-keywords-editor textarea {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            line-height: 1.5;
            min-height: 60px;
        }

        .keywords-meta {
            margin-top: 10px;
            color: #666;
        }

        #keywords-count {
            font-weight: 600;
            color: #6f42c1;
        }

        .ai-keywords-meta-box.generating {
            opacity: 0.6;
            pointer-events: none;
        }
        </style>
        <?php
    }

    /**
     * Save excerpt meta box data.
     *
     * @param int $post_id Post ID.
     * @param WP_Post $post Post object.
     */
    public function save_excerpt_meta_box($post_id, $post) {
        // Verify nonce
        if (!isset($_POST['ai_smart_excerpt_meta_box_nonce']) ||
            !wp_verify_nonce($_POST['ai_smart_excerpt_meta_box_nonce'], 'ai_smart_excerpt_meta_box')) {
            return;
        }

        // Check user permissions
        if (!current_user_can('edit_post', $post_id)) {
            return;
        }

        // Don't save on autosave
        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
            return;
        }

        // Save manual excerpt if provided
        if (isset($_POST['ai_smart_excerpt_manual'])) {
            $manual_excerpt = sanitize_textarea_field($_POST['ai_smart_excerpt_manual']);

            if (!empty($manual_excerpt)) {
                update_post_meta($post_id, '_ai_smart_excerpt', $manual_excerpt);
                update_post_meta($post_id, '_ai_excerpt_generated_at', current_time('timestamp'));
            } else {
                delete_post_meta($post_id, '_ai_smart_excerpt');
                delete_post_meta($post_id, '_ai_excerpt_generated_at');
            }
        }

        // Save manual keywords if provided
        if (isset($_POST['ai_smart_keywords_manual'])) {
            $keywords_text = sanitize_textarea_field($_POST['ai_smart_keywords_manual']);
            if (!empty($keywords_text)) {
                $keywords = array_map('trim', explode(',', $keywords_text));
                $keywords = array_filter($keywords, function($keyword) { return !empty($keyword); });
                update_post_meta($post_id, '_ai_smart_keywords', $keywords);
                update_post_meta($post_id, '_ai_keywords_generated_at', current_time('timestamp'));
            } else {
                delete_post_meta($post_id, '_ai_smart_keywords');
                delete_post_meta($post_id, '_ai_keywords_generated_at');
            }
        }
    }

    /**
     * AJAX handler for generating excerpt preview.
     */
    public function ajax_generate_excerpt_preview() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $post_id = intval($_POST['post_id']);
        $excerpt_type = sanitize_text_field($_POST['excerpt_type']);
        $max_length = intval($_POST['max_length']);

        $post = get_post($post_id);
        if (!$post) {
            wp_send_json_error(esc_html__('Post not found', 'ai-smart-excerpt'));
        }

        // Get post content
        $plugin = AI_Smart_Excerpt::get_instance();
        $content = $plugin->prepare_content($post);

        if (empty($content)) {
            wp_send_json_error(esc_html__('Post content is too short or empty', 'ai-smart-excerpt'));
        }

        // Generate excerpt
        $llm_service = new LLM_Service();
        $excerpt = $llm_service->generate_excerpt(
            $content,
            $post->post_title,
            $excerpt_type,
            $max_length
        );

        if ($excerpt) {
            wp_send_json_success(array(
                'excerpt' => $excerpt,
                'type' => $excerpt_type,
                'length' => strlen($excerpt)
            ));
        } else {
            wp_send_json_error(esc_html__('Failed to generate excerpt', 'ai-smart-excerpt'));
        }
    }

    /**
     * AJAX handler for saving manual excerpt.
     */
    public function ajax_save_excerpt_manual() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $post_id = intval($_POST['post_id']);
        $excerpt = sanitize_textarea_field($_POST['excerpt']);

        if (!get_post($post_id)) {
            wp_send_json_error(esc_html__('Post not found', 'ai-smart-excerpt'));
        }

        if (!empty($excerpt)) {
            update_post_meta($post_id, '_ai_smart_excerpt', $excerpt);
            update_post_meta($post_id, '_ai_excerpt_generated_at', current_time('timestamp'));

            wp_send_json_success(array(
                'message' => esc_html__('Excerpt saved successfully', 'ai-smart-excerpt')
            ));
        } else {
            delete_post_meta($post_id, '_ai_smart_excerpt');
            delete_post_meta($post_id, '_ai_excerpt_generated_at');

            wp_send_json_success(array(
                'message' => esc_html__('Excerpt removed', 'ai-smart-excerpt')
            ));
        }
    }

    /**
     * AJAX handler for generating keyword preview.
     */
    public function ajax_generate_keywords_preview() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $post_id = intval($_POST['post_id']);
        $keyword_type = sanitize_text_field($_POST['keyword_type']);
        $max_keywords = intval($_POST['max_keywords']);

        $post = get_post($post_id);
        if (!$post) {
            wp_send_json_error(esc_html__('Post not found', 'ai-smart-excerpt'));
        }

        // Get post content
        $plugin = AI_Smart_Excerpt::get_instance();
        $content = $plugin->prepare_content($post);

        if (empty($content)) {
            wp_send_json_error(esc_html__('Post content is too short or empty', 'ai-smart-excerpt'));
        }

        // Generate keywords based on type
        $llm_service = new LLM_Service();
        $keywords = null;
        
        try {
            if ($keyword_type === 'tags') {
                $keywords = $llm_service->generate_tags($content, $post->post_title, $max_keywords);
            } elseif ($keyword_type === 'focus_keyword') {
                $focus_keyword = $llm_service->generate_focus_keyword($content, $post->post_title);
                $keywords = $focus_keyword ? array($focus_keyword) : null;
            } else {
                // Default to tags if type is unknown
                $keywords = $llm_service->generate_tags($content, $post->post_title, $max_keywords);
            }
        } catch (Exception $e) {
            error_log('AI Smart Excerpt: Keyword generation error: ' . $e->getMessage());
            wp_send_json_error('API error: ' . $e->getMessage());
        }

        if ($keywords && is_array($keywords)) {
            wp_send_json_success(array(
                'keywords' => $keywords,
                'type' => $keyword_type,
                'count' => count($keywords),
                'keywords_text' => implode(', ', $keywords)
            ));
        } else {
            wp_send_json_error(esc_html__('Failed to generate keywords', 'ai-smart-excerpt'));
        }
    }

    /**
     * AJAX handler for saving manual keywords.
     */
    public function ajax_save_keywords_manual() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $post_id = intval($_POST['post_id']);
        $keywords_text = sanitize_textarea_field($_POST['keywords']);

        if (!get_post($post_id)) {
            wp_send_json_error(esc_html__('Post not found', 'ai-smart-excerpt'));
        }

        if (!empty($keywords_text)) {
            // Parse keywords from comma-separated text
            $keywords = array_map('trim', explode(',', $keywords_text));
            $keywords = array_filter($keywords, function($keyword) {
                return !empty($keyword);
            });

            // Save to plugin meta fields
            update_post_meta($post_id, '_ai_smart_keywords', $keywords);
            update_post_meta($post_id, '_ai_keywords_generated_at', current_time('timestamp'));

            // IMPORTANT: Also create WordPress tags (same as bulk process)
            $clean_tags = array();
            foreach ($keywords as $tag) {
                $clean_tag = trim($tag);
                if (!empty($clean_tag) && strlen($clean_tag) <= 50) {
                    $clean_tags[] = $clean_tag;
                }
            }
            
            $tags_created = 0;
            if (!empty($clean_tags)) {
                wp_set_post_tags($post_id, $clean_tags, true); // Append, don't replace
                $tags_created = count($clean_tags);
            }

            // IMPORTANT: Also integrate with Yoast SEO
            $ai_plugin = AI_Smart_Excerpt::get_instance();
            $yoast_success = $ai_plugin->set_seo_focus_keywords($post_id, $keywords);

            wp_send_json_success(array(
                'message' => esc_html__('Keywords saved successfully', 'ai-smart-excerpt'),
                'count' => count($keywords),
                'wordpress_tags_created' => $tags_created,
                'yoast_integration' => $yoast_success ? 'SUCCESS' : 'FAILED'
            ));
        } else {
            delete_post_meta($post_id, '_ai_smart_keywords');
            delete_post_meta($post_id, '_ai_keywords_generated_at');

            wp_send_json_success(array(
                'message' => esc_html__('Keywords removed', 'ai-smart-excerpt')
            ));
        }
    }

    /**
     * Render Overview & Settings tab.
     */
    private function render_overview_tab() {
        // Ensure we have the latest options
        $this->load_options();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('How AI Smart Excerpt Works', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('AI Smart Excerpt automatically generates SEO and social media optimized excerpts for your posts and pages using advanced AI technology. The plugin works intelligently to enhance your content without requiring manual intervention.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <div class="ai-excerpt-workflow">
                <h3><?php esc_html_e('When Does It Work?', 'ai-smart-excerpt'); ?></h3>
                <div class="workflow-steps">
                    <div class="workflow-step">
                        <div class="step-number">1</div>
                        <div class="step-content">
                            <h4><?php esc_html_e('Content Creation', 'ai-smart-excerpt'); ?></h4>
                            <p><?php esc_html_e('When you publish or update a post/page, the plugin automatically detects if an AI excerpt is needed.', 'ai-smart-excerpt'); ?></p>
                        </div>
                    </div>
                    <div class="workflow-step">
                        <div class="step-number">2</div>
                        <div class="step-content">
                            <h4><?php esc_html_e('Smart Processing', 'ai-smart-excerpt'); ?></h4>
                            <p><?php esc_html_e('Short content is processed immediately, while longer content is queued for background processing to avoid slowing down your site.', 'ai-smart-excerpt'); ?></p>
                        </div>
                    </div>
                    <div class="workflow-step">
                        <div class="step-number">3</div>
                        <div class="step-content">
                            <h4><?php esc_html_e('AI Generation', 'ai-smart-excerpt'); ?></h4>
                            <p><?php esc_html_e('Your chosen AI provider analyzes the content and generates an optimized excerpt based on your settings.', 'ai-smart-excerpt'); ?></p>
                        </div>
                    </div>
                    <div class="workflow-step">
                        <div class="step-number">4</div>
                        <div class="step-content">
                            <h4><?php esc_html_e('Automatic Display', 'ai-smart-excerpt'); ?></h4>
                            <p><?php esc_html_e('The excerpt is stored and automatically displayed wherever excerpts are shown on your site.', 'ai-smart-excerpt'); ?></p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- General Settings Form -->
            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="general" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('General Settings', 'ai-smart-excerpt'); ?></h3>
                    <p class="description"><?php esc_html_e('Configure these essential settings first before exploring other options.', 'ai-smart-excerpt'); ?></p>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('is_active', esc_html__('Enable Plugin', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Activate AI excerpt generation for your site', 'ai-smart-excerpt')));

                        $this->render_field_row('admin_only', esc_html__('Admin Only Mode', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Only show AI excerpts to logged-in administrators (for testing)', 'ai-smart-excerpt')));
                        ?>
                    </table>

                    <?php submit_button(esc_html__('Save General Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>

            <!-- Donation Section -->
            <div class="ai-excerpt-card ai-excerpt-donation">
                <h3><?php esc_html_e('Support Development', 'ai-smart-excerpt'); ?></h3>
                <div class="donation-content">
                    <div class="donation-text">
                        <p><?php esc_html_e('AI Smart Excerpt is developed and maintained with passion to help WordPress users create better content automatically.', 'ai-smart-excerpt'); ?></p>
                        <p><?php esc_html_e('If this plugin has saved you time and improved your website, please consider supporting its continued development with a small donation.', 'ai-smart-excerpt'); ?></p>
                        <p><strong><?php esc_html_e('Your support helps:', 'ai-smart-excerpt'); ?></strong></p>
                        <ul>
                            <li><?php esc_html_e('Keep the plugin free and regularly updated', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Add new AI providers and features', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Provide responsive support to users', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Cover API testing and development costs', 'ai-smart-excerpt'); ?></li>
                        </ul>
                    </div>
                    <div class="donation-action">
                        <div class="donation-buttons">
                            <a href="https://www.paypal.com/donate/?business=cascio_calogero%40yahoo.com&item_name=AI+Smart+Excerpt+Plugin+Development&currency_code=USD"
                               target="_blank"
                               class="button button-primary donation-button">
                                <span class="dashicons dashicons-heart"></span>
                                <?php esc_html_e('Donate via PayPal', 'ai-smart-excerpt'); ?>
                            </a>
                            <p class="donation-note">
                                <small><?php esc_html_e('Any amount is greatly appreciated! Thank you for your support.', 'ai-smart-excerpt'); ?></small>
                            </p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <style>
        .ai-excerpt-donation {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border: 2px solid #e3f2fd;
            margin-top: 30px;
        }

        .ai-excerpt-donation h3 {
            color: #1976d2;
            margin-bottom: 15px;
        }

        .donation-content {
            display: flex;
            gap: 30px;
            align-items: flex-start;
        }

        .donation-text {
            flex: 2;
        }

        .donation-text ul {
            margin: 10px 0;
            padding-left: 20px;
        }

        .donation-text li {
            margin-bottom: 5px;
            color: #555;
        }

        .donation-action {
            flex: 1;
            text-align: center;
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .donation-button {
            background: #0073aa;
            border: none;
            padding: 12px 24px;
            font-size: 16px;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .donation-button:hover {
            background: #005a87;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }

        .donation-button .dashicons {
            color: #ff6b6b;
            font-size: 16px;
        }

        .donation-note {
            margin-top: 10px;
            color: #666;
        }

        @media (max-width: 768px) {
            .donation-content {
                flex-direction: column;
                gap: 20px;
            }

            .donation-action {
                text-align: center;
            }
        }
        </style>
        <?php
    }

    /**
     * Render AI Provider tab.
     */
    private function render_ai_provider_tab() {
        // Ensure we have the latest options
        $this->load_options();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('AI Provider Configuration', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Choose and configure your AI provider. Each provider offers different capabilities and pricing models. The plugin supports Claude (Anthropic), OpenAI (ChatGPT), and Google Gemini.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="ai_provider" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Provider Selection', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('llm_provider', esc_html__('AI Provider', 'ai-smart-excerpt'), 'select', array(
                            'options' => array(
                                'claude' => esc_html__('Claude (Anthropic)', 'ai-smart-excerpt'),
                                'openai' => esc_html__('OpenAI (ChatGPT)', 'ai-smart-excerpt'),
                                'gemini' => esc_html__('Google Gemini', 'ai-smart-excerpt')
                            ),
                            'description' => esc_html__('Choose your preferred AI service provider', 'ai-smart-excerpt')
                        ));

                        $this->render_field_row('api_key', esc_html__('API Key', 'ai-smart-excerpt'), 'password', array(
                            'description' => esc_html__('Enter your API key from the selected provider', 'ai-smart-excerpt')
                        ));

                        // Model selection for Claude
                        $this->render_field_row('claude_model', esc_html__('Claude Model', 'ai-smart-excerpt'), 'select', array(
                            'options' => LLM_Service::get_models_for_provider('claude'),
                            'description' => esc_html__('Select the Claude model to use', 'ai-smart-excerpt'),
                            'container_class' => 'claude-model-row'
                        ));

                        // Model selection for OpenAI
                        $this->render_field_row('openai_model', esc_html__('OpenAI Model', 'ai-smart-excerpt'), 'select', array(
                            'options' => LLM_Service::get_models_for_provider('openai'),
                            'description' => esc_html__('Select the OpenAI model to use', 'ai-smart-excerpt'),
                            'container_class' => 'openai-model-row'
                        ));

                        // Model selection for Gemini
                        $this->render_field_row('gemini_model', esc_html__('Gemini Model', 'ai-smart-excerpt'), 'select', array(
                            'options' => LLM_Service::get_models_for_provider('gemini'),
                            'description' => esc_html__('Select the Gemini model to use', 'ai-smart-excerpt'),
                            'container_class' => 'gemini-model-row'
                        ));
                        ?>
                    </table>

                    <p>
                        <button type="button" id="test-api-connection" class="button button-secondary">
                            <?php esc_html_e('Test Connection', 'ai-smart-excerpt'); ?>
                        </button>
                    </p>

                    <div id="api-test-result"></div>

                    <?php submit_button(esc_html__('Save API Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>

            <!-- API Setup Instructions -->
            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('API Key Setup Instructions', 'ai-smart-excerpt'); ?></h3>

                <div class="provider-instructions">
                    <div class="provider-instruction">
                        <h4><?php esc_html_e('Claude (Anthropic) - Recommended', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Claude excels at understanding context and generating natural, engaging excerpts.', 'ai-smart-excerpt'); ?></p>
                        <ol>
                            <li><?php esc_html_e('Visit', 'ai-smart-excerpt'); ?> <a href="https://console.anthropic.com/" target="_blank">console.anthropic.com</a></li>
                            <li><?php esc_html_e('Create an account and navigate to API Keys', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Create a new API key (starts with sk-ant-)', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Copy and paste the key into the field above', 'ai-smart-excerpt'); ?></li>
                        </ol>
                    </div>

                    <div class="provider-instruction">
                        <h4><?php esc_html_e('OpenAI (ChatGPT)', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Popular choice with good performance for excerpt generation.', 'ai-smart-excerpt'); ?></p>
                        <ol>
                            <li><?php esc_html_e('Visit', 'ai-smart-excerpt'); ?> <a href="https://platform.openai.com/api-keys" target="_blank">platform.openai.com/api-keys</a></li>
                            <li><?php esc_html_e('Create a new secret key (starts with sk-)', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Copy and paste the key into the field above', 'ai-smart-excerpt'); ?></li>
                        </ol>
                    </div>

                    <div class="provider-instruction">
                        <h4><?php esc_html_e('Google Gemini', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Google\'s AI model with competitive performance and pricing.', 'ai-smart-excerpt'); ?></p>
                        <ol>
                            <li><?php esc_html_e('Visit', 'ai-smart-excerpt'); ?> <a href="https://ai.google.dev/" target="_blank">ai.google.dev</a></li>
                            <li><?php esc_html_e('Get an API key from Google AI Studio', 'ai-smart-excerpt'); ?></li>
                            <li><?php esc_html_e('Copy and paste the key into the field above', 'ai-smart-excerpt'); ?></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>
        <?php
    }

    /**
     * Render Excerpt Settings tab.
     */
    private function render_excerpt_settings_tab() {
        // Ensure we have the latest options
        $this->load_options();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('Excerpt Generation Settings', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Customize how AI generates excerpts for your content. These settings control the style, length, and quality of generated excerpts.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="excerpts" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Content Generation', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('excerpt_type', esc_html__('Excerpt Type', 'ai-smart-excerpt'), 'select', array(
                            'options' => array(
                                'seo' => esc_html__('SEO Optimized', 'ai-smart-excerpt'),
                                'social' => esc_html__('Social Media', 'ai-smart-excerpt'),
                                'summary' => esc_html__('Summary', 'ai-smart-excerpt'),
                                'teaser' => esc_html__('Engaging Teaser', 'ai-smart-excerpt')
                            ),
                            'description' => esc_html__('Choose the style and purpose of generated excerpts', 'ai-smart-excerpt')
                        ));

                        $this->render_field_row('max_length', esc_html__('Maximum Length', 'ai-smart-excerpt'), 'number', array(
                            'min' => 50,
                            'max' => 500,
                            'description' => esc_html__('Maximum excerpt length in characters', 'ai-smart-excerpt')
                        ));

                        $this->render_field_row('min_content_length', esc_html__('Minimum Content Length', 'ai-smart-excerpt'), 'number', array(
                            'min' => 50,
                            'max' => 1000,
                            'description' => esc_html__('Minimum post content length to process (shorter posts will be skipped)', 'ai-smart-excerpt')
                        ));
                        ?>
                    </table>

                    <?php submit_button(esc_html__('Save Excerpt Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('Excerpt Types Explained', 'ai-smart-excerpt'); ?></h3>
                <div class="excerpt-types-info">
                    <div class="excerpt-type-info">
                        <h4><?php esc_html_e('SEO Optimized', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Focuses on search engine visibility with relevant keywords and compelling descriptions that encourage clicks from search results.', 'ai-smart-excerpt'); ?></p>
                    </div>
                    <div class="excerpt-type-info">
                        <h4><?php esc_html_e('Social Media', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Optimized for social sharing with engaging language and hooks that work well on Facebook, Twitter, and LinkedIn.', 'ai-smart-excerpt'); ?></p>
                    </div>
                    <div class="excerpt-type-info">
                        <h4><?php esc_html_e('Summary', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Provides a clear, factual summary of the main points covered in your content.', 'ai-smart-excerpt'); ?></p>
                    </div>
                    <div class="excerpt-type-info">
                        <h4><?php esc_html_e('Engaging Teaser', 'ai-smart-excerpt'); ?></h4>
                        <p><?php esc_html_e('Creates curiosity and encourages readers to click through to read the full content.', 'ai-smart-excerpt'); ?></p>
                    </div>
                </div>
            </div>
        </div>
        <?php
    }

    /**
     * Render SEO Integration Settings tab.
     */
    private function render_seo_settings_tab() {
        // Ensure we have the latest options
        $this->load_options();

        $ai_plugin = AI_Smart_Excerpt::get_instance();
        $seo_plugin = $ai_plugin->get_seo_plugin_integration();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('SEO Integration Settings', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Configure AI-powered SEO enhancements including smart taxonomy assignment and focus keyword generation for popular SEO plugins.', 'ai-smart-excerpt'); ?>
                </p>
                
                <?php if ($seo_plugin): ?>
                    <div class="notice notice-success inline">
                        <p>
                            <strong><?php esc_html_e('SEO Plugin Detected:', 'ai-smart-excerpt'); ?></strong>
                            <?php 
                            switch ($seo_plugin) {
                                case 'yoast': echo 'Yoast SEO'; break;
                                case 'rankmath': echo 'RankMath'; break;
                                case 'aioseo': echo 'All in One SEO'; break;
                                default: echo esc_html($seo_plugin);
                            }
                            ?>
                        </p>
                    </div>
                <?php else: ?>
                    <div class="notice notice-warning inline">
                        <p><?php esc_html_e('No supported SEO plugin detected. Install Yoast SEO, RankMath, or All in One SEO for enhanced integration.', 'ai-smart-excerpt'); ?></p>
                    </div>
                <?php endif; ?>
            </div>

            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="seo" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('SEO Integration', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('seo_integration_enabled', esc_html__('Enable SEO Integration', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Enable AI-powered SEO features including taxonomy assignment and focus keywords', 'ai-smart-excerpt')));

                        $this->render_field_row('seo_focus_keyword', esc_html__('Generate Focus Keywords', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically generate and set focus keywords for SEO plugins', 'ai-smart-excerpt')));
                        ?>
                    </table>
                </div>

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Smart Taxonomy Assignment', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('auto_assign_categories', esc_html__('Auto-Assign Categories', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically assign relevant categories based on content analysis', 'ai-smart-excerpt')));

                        $this->render_field_row('create_new_categories', esc_html__('Create New Categories', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Allow creation of new categories when no suitable existing category is found', 'ai-smart-excerpt')));

                        $this->render_field_row('auto_assign_tags', esc_html__('Auto-Assign Tags', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically generate and assign relevant tags', 'ai-smart-excerpt')));

                        $this->render_field_row('max_auto_tags', esc_html__('Maximum Auto Tags', 'ai-smart-excerpt'), 'number',
                            array(
                                'description' => esc_html__('Maximum number of tags to generate per post', 'ai-smart-excerpt'),
                                'min' => 1,
                                'max' => 15,
                                'default' => 8
                            ));

                        $this->render_field_row('taxonomy_confidence_threshold', esc_html__('Assignment Confidence', 'ai-smart-excerpt'), 'select',
                            array(
                                'description' => esc_html__('Minimum confidence level for automatic taxonomy assignment', 'ai-smart-excerpt'),
                                'options' => array(
                                    '0.5' => esc_html__('Low (50%)', 'ai-smart-excerpt'),
                                    '0.6' => esc_html__('Medium-Low (60%)', 'ai-smart-excerpt'),
                                    '0.7' => esc_html__('Medium (70%) - Recommended', 'ai-smart-excerpt'),
                                    '0.8' => esc_html__('High (80%)', 'ai-smart-excerpt'),
                                    '0.9' => esc_html__('Very High (90%)', 'ai-smart-excerpt')
                                ),
                                'default' => '0.7'
                            ));
                        ?>
                    </table>
                </div>
                
                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Keyword Settings', 'ai-smart-excerpt'); ?></h3>
                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('keywords_enabled', esc_html__('Enable Keyword Generation', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Enable AI-powered keyword generation', 'ai-smart-excerpt')));
                        $this->render_field_row('keyword_type', esc_html__('Keyword Type', 'ai-smart-excerpt'), 'select',
                            array(
                                'description' => esc_html__('Choose the type of keywords to generate', 'ai-smart-excerpt'),
                                'options' => array(
                                    'seo' => esc_html__('SEO Keywords', 'ai-smart-excerpt'),
                                    'tags' => esc_html__('Tags', 'ai-smart-excerpt'),
                                    'focus' => esc_html__('Focus Keywords', 'ai-smart-excerpt')
                                ),
                                'default' => 'seo'
                            ));
                        $this->render_field_row('max_keywords', esc_html__('Maximum Keywords', 'ai-smart-excerpt'), 'number',
                            array(
                                'description' => esc_html__('Maximum number of keywords to generate', 'ai-smart-excerpt'),
                                'min' => 1,
                                'max' => 20,
                                'default' => 10
                            ));
                        $this->render_field_row('keywords_as_tags', esc_html__('Keywords as Tags', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically assign generated keywords as post tags', 'ai-smart-excerpt')));
                        $this->render_field_row('keywords_display_meta', esc_html__('Display in Meta Box', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Show keyword generation options in the post meta box', 'ai-smart-excerpt')));
                        ?>
                    </table>

                    <?php submit_button(esc_html__('Save SEO Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('How SEO Integration Works', 'ai-smart-excerpt'); ?></h3>
                <div class="advanced-note">
                    <h4><?php esc_html_e('Smart Category Assignment', 'ai-smart-excerpt'); ?></h4>
                    <p><?php esc_html_e('AI analyzes your content and suggests categories by matching against your existing site categories. High-confidence matches are automatically assigned.', 'ai-smart-excerpt'); ?></p>
                </div>
                <div class="advanced-note">
                    <h4><?php esc_html_e('Focus Keywords for SEO', 'ai-smart-excerpt'); ?></h4>
                    <p><?php esc_html_e('When enabled, the AI generates primary focus keywords and automatically sets them in your SEO plugin (Yoast, RankMath, or AIOSEO) for better optimization.', 'ai-smart-excerpt'); ?></p>
                </div>
                <div class="advanced-note">
                    <h4><?php esc_html_e('Intelligent Tag Generation', 'ai-smart-excerpt'); ?></h4>
                    <p><?php esc_html_e('Creates relevant tags based on content topics, techniques, tools, and concepts mentioned in your posts to improve discoverability.', 'ai-smart-excerpt'); ?></p>
                </div>
            </div>
        </div>
        <?php
    }

    /**
     * Render Display Settings tab.
     */
    private function render_display_settings_tab() {
        // Ensure we have the latest options
        $this->load_options();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('Display Options', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Control how excerpts appear on your website, including images, formatting, and additional elements.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="display" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Image Settings', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('featured_image', esc_html__('Show Featured Image', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Display featured image with excerpt', 'ai-smart-excerpt')));

                        $this->render_field_row('featured_size', esc_html__('Image Size', 'ai-smart-excerpt'), 'select', array(
                            'options' => array(
                                'thumbnail' => esc_html__('Thumbnail', 'ai-smart-excerpt'),
                                'medium' => esc_html__('Medium', 'ai-smart-excerpt'),
                                'large' => esc_html__('Large', 'ai-smart-excerpt'),
                                'full' => esc_html__('Full Size', 'ai-smart-excerpt')
                            ),
                            'description' => esc_html__('Size of the featured image to display', 'ai-smart-excerpt')
                        ));

                        $this->render_field_row('featured_align', esc_html__('Image Alignment', 'ai-smart-excerpt'), 'select', array(
                            'options' => array(
                                'alignleft' => esc_html__('Left', 'ai-smart-excerpt'),
                                'alignright' => esc_html__('Right', 'ai-smart-excerpt'),
                                'aligncenter' => esc_html__('Center', 'ai-smart-excerpt')
                            ),
                            'description' => esc_html__('Alignment of the featured image', 'ai-smart-excerpt')
                        ));

                        $this->render_field_row('search_featured', esc_html__('Search for Images', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('If no featured image, search for first image in content', 'ai-smart-excerpt')));
                        ?>
                    </table>
                </div>

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Text & Links', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('more_link_text', esc_html__('Read More Text', 'ai-smart-excerpt'), 'text',
                            array('description' => esc_html__('Text for "read more" link (leave empty to disable)', 'ai-smart-excerpt')));
                        ?>
                    </table>

                    <?php submit_button(esc_html__('Save Display Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>
        </div>
        <?php
    }

    /**
     * Render Advanced Settings tab.
     */
    private function render_advanced_settings_tab() {
        // Ensure we have the latest options
        $this->load_options();

        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('Advanced Configuration', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Fine-tune the plugin behavior with these advanced options. These settings are for experienced users who want more control over excerpt generation.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <form action="options.php" method="post" class="ai-excerpt-settings-form">
                <?php settings_fields('ai_smart_excerpt_options'); ?>
                <input type="hidden" name="ai_smart_excerpt_form_section" value="advanced" />

                <div class="ai-excerpt-card">
                    <h3><?php esc_html_e('Content Processing', 'ai-smart-excerpt'); ?></h3>

                    <table class="form-table" role="presentation">
                        <?php
                        $this->render_field_row('skip_manual', esc_html__('Override Manual Excerpts', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Generate AI excerpts even when manual excerpts exist', 'ai-smart-excerpt')));

                        $this->render_field_row('fallback_enabled', esc_html__('Enable Fallback', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Use simple excerpt generation if AI fails', 'ai-smart-excerpt')));

                        $this->render_field_row('auto_excerpt_on_schedule', esc_html__('Auto-Generate Excerpt on Save', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically generate excerpt when a post is saved and excerpt is empty', 'ai-smart-excerpt')));

                        $this->render_field_row('auto_seo_on_schedule', esc_html__('Auto-Generate SEO on Save', 'ai-smart-excerpt'), 'checkbox',
                            array('description' => esc_html__('Automatically generate SEO content (categories, tags, keywords) when a post is saved', 'ai-smart-excerpt')));
                        ?>
                    </table>

                    <?php submit_button(esc_html__('Save Advanced Settings', 'ai-smart-excerpt'), 'primary', 'submit', false); ?>
                </div>
            </form>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('Important Notes', 'ai-smart-excerpt'); ?></h3>
                <div class="advanced-note">
                    <h4><?php esc_html_e('Override Manual Excerpts', 'ai-smart-excerpt'); ?></h4>
                    <p><?php esc_html_e('When enabled, the plugin will generate AI excerpts even for posts that already have manually written excerpts. This will replace existing manual excerpts.', 'ai-smart-excerpt'); ?></p>
                </div>
                <div class="advanced-note">
                    <h4><?php esc_html_e('Fallback Generation', 'ai-smart-excerpt'); ?></h4>
                    <p><?php esc_html_e('If the AI service is unavailable or returns an error, the plugin can generate a simple excerpt using the first few sentences of your content.', 'ai-smart-excerpt'); ?></p>
                </div>
            </div>
        </div>
        <?php
    }

    /**
     * Render Status & Tools tab.
     */
    private function render_status_tab() {
        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('Status & Management Tools', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Monitor your excerpt generation progress and access management tools for bulk operations.', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('Excerpt Status', 'ai-smart-excerpt'); ?></h3>
                <div id="excerpt-status-info">
                    <p><?php esc_html_e('Loading status...', 'ai-smart-excerpt'); ?></p>
                </div>
            </div>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('Bulk Generation Progress', 'ai-smart-excerpt'); ?></h3>
                <div id="bulk-progress-container" style="display: none;">
                    <div class="bulk-progress-stats">
                        <div class="progress-stat">
                            <span class="stat-label"><?php esc_html_e('Status:', 'ai-smart-excerpt'); ?></span>
                            <span id="bulk-status" class="stat-value">-</span>
                        </div>
                        <div class="progress-stat">
                            <span class="stat-label"><?php esc_html_e('Progress:', 'ai-smart-excerpt'); ?></span>
                            <span id="bulk-progress-text" class="stat-value">-</span>
                        </div>
                        <div class="progress-stat">
                            <span class="stat-label"><?php esc_html_e('Estimated Time:', 'ai-smart-excerpt'); ?></span>
                            <span id="bulk-eta" class="stat-value">-</span>
                        </div>
                        <div class="progress-stat">
                            <span class="stat-label"><?php esc_html_e('Errors:', 'ai-smart-excerpt'); ?></span>
                            <span id="bulk-errors" class="stat-value">0</span>
                        </div>
                    </div>
                    <div class="bulk-progress-bar">
                        <div class="progress-bar-container">
                            <div id="bulk-progress-fill" class="progress-bar-fill" style="width: 0%"></div>
                        </div>
                        <div id="bulk-progress-percentage" class="progress-percentage">0%</div>
                    </div>
                </div>
            </div>

            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('Management Tools', 'ai-smart-excerpt'); ?></h3>
                <p class="description">
                    <?php esc_html_e('Use these tools to manage your excerpts in bulk. These operations may take some time for sites with many posts.', 'ai-smart-excerpt'); ?>
                </p>

                <div class="management-tools">
                    <button type="button" id="bulk-generate" class="button button-secondary">
                        <?php esc_html_e('Generate All Missing Excerpts', 'ai-smart-excerpt'); ?>
                    </button>
                    <button type="button" id="restart-bulk-process" class="button button-secondary" style="margin-left: 10px; display: none;">
                        <?php esc_html_e('Restart Processing', 'ai-smart-excerpt'); ?>
                    </button>
                    <!--button type="button" id="debug-test" class="button button-secondary" style="margin-left: 10px;">
                        < ?php esc_html_e('Debug Test', 'ai-smart-excerpt'); ?>
                    </button-->
                    <br><br>
                    <button type="button" id="bulk-seo-process" class="button button-primary" style="margin-right: 10px;">
                        <?php esc_html_e('Bulk SEO Processing', 'ai-smart-excerpt'); ?>
                    </button>
                    <!--button type="button" id="debug-seo-bulk" class="button button-secondary" style="margin-right: 10px;">
                        < ?php esc_html_e('Debug SEO Bulk', 'ai-smart-excerpt'); ?>
                    </button>
                    <button type="button" id="force-seo-batch" class="button button-secondary" style="margin-right: 10px;">
                        < ?php esc_html_e('Force Next Batch', 'ai-smart-excerpt'); ?>
                    </button-->
                    <br><br>
                    <strong><?php esc_html_e('Force Regeneration (Skip Checks)', 'ai-smart-excerpt'); ?></strong><br>
                    <button type="button" id="force-regenerate-excerpts" class="button button-warning" style="margin-right: 10px;">
                        <?php esc_html_e('Force Regenerate All Excerpts', 'ai-smart-excerpt'); ?>
                    </button>
                    <button type="button" id="force-regenerate-seo" class="button button-warning" style="margin-right: 10px;">
                        <?php esc_html_e('Force Regenerate All SEO', 'ai-smart-excerpt'); ?>
                    </button>
                    <br><br>
                    <button type="button" id="reset-bulk-progress" class="button button-secondary">
                        <?php esc_html_e('Reset Bulk Progress', 'ai-smart-excerpt'); ?>
                    </button>
                    <p class="tool-description">
                        <?php esc_html_e('Use "Generate All Missing Excerpts" to start bulk processing. Use "Bulk SEO Processing" to add missing tags and focus keywords to all posts. If the process appears stuck, use "Restart Processing" or "Reset Bulk Progress".', 'ai-smart-excerpt'); ?>
                    </p>
                </div>
            </div>

            
            <!-- SEO Integration Status -->
            <div class="ai-excerpt-card">
                <h3><?php esc_html_e('SEO Integration Status', 'ai-smart-excerpt'); ?></h3>
                <div id="seo-status-info">
                    <p><?php esc_html_e('Loading SEO status...', 'ai-smart-excerpt'); ?></p>
                </div>
            </div>

            <?php $this->render_feedback_status_card(); ?>
        </div>
        <?php
    }

    /**
     * Render feedback status card.
     */
    private function render_feedback_status_card() {
        // Get feedback manager instance to show stats
        $feedback_options = get_option('ai_smart_excerpt_feedback', array(
            'feedback_dismissed' => false,
            'feedback_given' => false,
            'successful_generations' => 0,
            'bulk_completions' => 0,
            'install_date' => time(),
            'feedback_prompt_count' => 0
        ));

        $days_used = ceil((time() - $feedback_options['install_date']) / DAY_IN_SECONDS);
        ?>
        <div class="ai-excerpt-card">
            <h3><?php esc_html_e('User Feedback & Reviews', 'ai-smart-excerpt'); ?></h3>
            <p class="description">
                <?php esc_html_e('Help other users discover this plugin by sharing your experience.', 'ai-smart-excerpt'); ?>
            </p>

            <div class="feedback-stats">
                <div class="feedback-stat">
                    <span class="stat-number"><?php echo esc_html($feedback_options['successful_generations']); ?></span>
                    <span class="stat-label"><?php esc_html_e('Excerpts Generated', 'ai-smart-excerpt'); ?></span>
                </div>
                <div class="feedback-stat">
                    <span class="stat-number"><?php echo esc_html($feedback_options['bulk_completions']); ?></span>
                    <span class="stat-label"><?php esc_html_e('Bulk Operations', 'ai-smart-excerpt'); ?></span>
                </div>
                <div class="feedback-stat">
                    <span class="stat-number"><?php echo esc_html($days_used); ?></span>
                    <span class="stat-label"><?php esc_html_e('Days Using Plugin', 'ai-smart-excerpt'); ?></span>
                </div>
            </div>

            <?php if ($feedback_options['feedback_given']): ?>
                <div class="feedback-status feedback-given">
                    <span class="dashicons dashicons-yes-alt"></span>
                    <strong><?php esc_html_e('Thank you for your review!', 'ai-smart-excerpt'); ?></strong>
                    <p><?php esc_html_e('Your feedback helps other users discover and trust this plugin.', 'ai-smart-excerpt'); ?></p>
                </div>
            <?php elseif ($feedback_options['feedback_dismissed']): ?>
                <div class="feedback-status feedback-dismissed">
                    <span class="dashicons dashicons-dismiss"></span>
                    <strong><?php esc_html_e('Feedback prompts disabled', 'ai-smart-excerpt'); ?></strong>
                    <p><?php esc_html_e('You can still leave a review anytime using the button below.', 'ai-smart-excerpt'); ?></p>
                </div>
            <?php else: ?>
                <div class="feedback-status feedback-pending">
                    <span class="dashicons dashicons-star-empty"></span>
                    <strong><?php esc_html_e('Share your experience', 'ai-smart-excerpt'); ?></strong>
                    <p><?php esc_html_e('You may see occasional prompts to review the plugin after positive experiences.', 'ai-smart-excerpt'); ?></p>
                </div>
            <?php endif; ?>

            <div class="feedback-actions">
                <a href="https://wordpress.org/support/plugin/a-smart-excerpt/reviews/#new-post"
                   target="_blank"
                   class="button button-primary">
                    <span class="dashicons dashicons-star-filled"></span>
                    <?php esc_html_e('Leave a Review', 'ai-smart-excerpt'); ?>
                </a>

                <?php if (!$feedback_options['feedback_dismissed'] && !$feedback_options['feedback_given']): ?>
                    <button type="button" id="disable-feedback-prompts" class="button button-secondary" style="margin-left: 10px;">
                        <?php esc_html_e('Disable Feedback Prompts', 'ai-smart-excerpt'); ?>
                    </button>
                <?php endif; ?>
            </div>
        </div>

        <style>
        .feedback-stats {
            display: flex;
            gap: 30px;
            margin: 20px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 6px;
        }

        .feedback-stat {
            text-align: center;
            flex: 1;
        }

        .feedback-stat .stat-number {
            display: block;
            font-size: 28px;
            font-weight: bold;
            color: #2271b1;
            line-height: 1;
        }

        .feedback-stat .stat-label {
            display: block;
            font-size: 13px;
            color: #666;
            margin-top: 5px;
        }

        .feedback-status {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 15px;
            border-radius: 6px;
            margin: 15px 0;
        }

        .feedback-status .dashicons {
            font-size: 20px;
            line-height: 1;
            margin-top: 2px;
        }

        .feedback-status strong {
            display: block;
            margin-bottom: 5px;
        }

        .feedback-status p {
            margin: 0;
            font-size: 14px;
        }

        .feedback-given {
            background: #d1f2eb;
            color: #00695c;
            border: 1px solid #4caf50;
        }

        .feedback-given .dashicons {
            color: #4caf50;
        }

        .feedback-dismissed {
            background: #f5f5f5;
            color: #666;
            border: 1px solid #ddd;
        }

        .feedback-dismissed .dashicons {
            color: #999;
        }

        .feedback-pending {
            background: #fff3cd;
            color: #856404;
            border: 1px solid #ffc107;
        }

        .feedback-pending .dashicons {
            color: #ffc107;
        }

        .feedback-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .feedback-actions .button {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .feedback-actions .dashicons {
            font-size: 16px;
            line-height: 1;
        }

        @media (max-width: 768px) {
            .feedback-stats {
                flex-direction: column;
                gap: 15px;
            }

            .feedback-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        </style>

        <script>
        jQuery(document).ready(function($) {
            $('#disable-feedback-prompts').on('click', function() {
                if (confirm('<?php echo esc_js(__('Are you sure you want to disable feedback prompts? You can still leave a review anytime using the button above.', 'ai-smart-excerpt')); ?>')) {
                    $.post(ajaxurl, {
                        action: 'ase_dismiss_feedback',
                        nonce: '<?php echo wp_create_nonce('ase_feedback_nonce'); ?>'
                    }, function() {
                        location.reload();
                    });
                }
            });
        });
        </script>
        <?php
    }

    /**
     * Helper method to render form field rows.
     */
    private function render_field_row($field_name, $label, $type, $args = array()) {
        $value = isset($this->options[$field_name]) ? $this->options[$field_name] : '';
        $description = isset($args['description']) ? $args['description'] : '';
        $container_class = isset($args['container_class']) ? $args['container_class'] : '';

        echo '<tr' . ($container_class ? ' class="' . esc_attr($container_class) . '"' : '') . '>';
        echo '<th scope="row"><label for="' . esc_attr($field_name) . '">' . esc_html($label) . '</label></th>';
        echo '<td>';

        switch ($type) {
            case 'checkbox':
                // Add hidden field to ensure unchecked value is sent
                echo '<input type="hidden" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']" value="0" />';
                echo '<label>';
                echo '<input type="checkbox" id="' . esc_attr($field_name) . '" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']" value="1" ' . checked(1, $value, false) . ' />';
                echo ' ' . esc_html($description);
                echo '</label>';
                break;

            case 'text':
                echo '<input type="text" id="' . esc_attr($field_name) . '" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']" value="' . esc_attr($value) . '" class="regular-text" />';
                if ($description) {
                    echo '<p class="description">' . esc_html($description) . '</p>';
                }
                break;

            case 'password':
                echo '<input type="password" id="' . esc_attr($field_name) . '" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']" value="' . esc_attr($value) . '" class="regular-text" />';
                if ($description) {
                    echo '<p class="description">' . esc_html($description) . '</p>';
                }
                break;

            case 'number':
                $min = isset($args['min']) ? $args['min'] : '';
                $max = isset($args['max']) ? $args['max'] : '';
                echo '<input type="number" id="' . esc_attr($field_name) . '" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']" value="' . esc_attr($value) . '" min="' . esc_attr($min) . '" max="' . esc_attr($max) . '" class="small-text" />';
                if ($description) {
                    echo '<p class="description">' . esc_html($description) . '</p>';
                }
                break;

            case 'select':
                echo '<select id="' . esc_attr($field_name) . '" name="ai_smart_excerpt_options[' . esc_attr($field_name) . ']">';
                if (isset($args['options'])) {
                    foreach ($args['options'] as $option_value => $option_label) {
                        echo '<option value="' . esc_attr($option_value) . '" ' . selected($value, $option_value, false) . '>' . esc_html($option_label) . '</option>';
                    }
                }
                echo '</select>';
                if ($description) {
                    echo '<p class="description">' . esc_html($description) . '</p>';
                }
                break;
        }

        echo '</td>';
        echo '</tr>';
    }

    /**
     * AJAX handler for getting SEO status.
     */
    public function ajax_get_seo_status() {
        // Skip nonce check like excerpt status (following existing pattern)
        // check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('edit_posts')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            $ai_plugin = AI_Smart_Excerpt::get_instance();
            $stats = $ai_plugin->get_seo_impact_stats();
            
            // Calculate percentages for better display
            $seo_percentage = 0;
            if ($stats['total_posts'] > 0) {
                $seo_percentage = round((($stats['posts_with_ai_categories'] + $stats['posts_with_ai_tags'] + $stats['focus_keywords_set']) / ($stats['total_posts'] * 3)) * 100, 1);
            }
            
            wp_send_json_success(array(
                'seo_plugin' => $stats['seo_plugin_detected'] ?: 'None detected',
                'total_posts' => (int) $stats['total_posts'],
                'posts_with_categories' => (int) $stats['posts_with_ai_categories'],
                'posts_with_tags' => (int) $stats['posts_with_ai_tags'],
                'focus_keywords_set' => (int) $stats['focus_keywords_set'],
                'seo_percentage' => $seo_percentage
            ));
            
        } catch (Exception $e) {
            wp_send_json_error('Failed to load SEO status: ' . $e->getMessage());
        }
    }

    /**
     * AJAX handler for bulk SEO processing.
     */
    public function ajax_bulk_seo_process() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            $ai_plugin = AI_Smart_Excerpt::get_instance();
            
            // Reset any existing progress
            delete_option('ai_smart_excerpt_seo_bulk_progress');
            
            // Start the bulk SEO processing immediately and continue with scheduling
            $ai_plugin->process_bulk_seo();
            
            // Schedule immediate follow-up processing
            wp_schedule_single_event(time() + 3, 'ai_smart_excerpt_seo_bulk_process');
            
            // Get updated progress after initial processing
            $progress = get_option('ai_smart_excerpt_seo_bulk_progress', array('status' => 'idle'));
            
            wp_send_json_success(array(
                'message' => 'Bulk SEO processing started successfully',
                'status' => 'running',
                'initial_progress' => $progress
            ));
            
        } catch (Exception $e) {
            wp_send_json_error('Failed to start bulk SEO processing: ' . $e->getMessage());
        }
    }

    /**
     * AJAX handler for getting bulk SEO processing progress.
     */
    public function ajax_get_seo_bulk_progress() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            $seo_bulk_progress = get_option('ai_smart_excerpt_seo_bulk_progress', array(
                'status' => 'idle',
                'total' => 0,
                'processed' => 0,
                'start_time' => 0,
                'errors' => 0
            ));
            
            $percentage = 0;
            $eta = '';
            
            if ($seo_bulk_progress['total'] > 0) {
                $percentage = round(($seo_bulk_progress['processed'] / $seo_bulk_progress['total']) * 100, 1);
                
                // Calculate ETA
                if ($seo_bulk_progress['processed'] > 0 && $seo_bulk_progress['start_time'] > 0) {
                    $elapsed = time() - $seo_bulk_progress['start_time'];
                    $rate = $seo_bulk_progress['processed'] / $elapsed;
                    $remaining = $seo_bulk_progress['total'] - $seo_bulk_progress['processed'];
                    $eta_seconds = $rate > 0 ? $remaining / $rate : 0;
                    $eta = $eta_seconds > 0 ? gmdate('i:s', $eta_seconds) : '';
                }
            }
            
            wp_send_json_success(array(
                'status' => $seo_bulk_progress['status'],
                'total' => (int) $seo_bulk_progress['total'],
                'processed' => (int) $seo_bulk_progress['processed'],
                'percentage' => $percentage,
                'eta' => $eta,
                'errors' => (int) $seo_bulk_progress['errors']
            ));
            
        } catch (Exception $e) {
            wp_send_json_error('Failed to get SEO bulk progress: ' . $e->getMessage());
        }
    }

    /**
     * Debug AJAX handler for SEO bulk processing.
     */
    public function ajax_debug_seo_bulk() {
        if (!current_user_can('manage_options')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            // Get posts that need SEO processing
            $posts = get_posts(array(
                'post_type' => array('post', 'page'),
                'post_status' => 'publish',
                'numberposts' => 5, // Just first 5 for debugging
                'fields' => 'ids'
            ));

            $ai_plugin = AI_Smart_Excerpt::get_instance();
            $debug_info = array();
            
            foreach ($posts as $post_id) {
                $post = get_post($post_id);
                $tags = wp_get_post_tags($post_id);
                $needs_seo = $ai_plugin->post_needs_seo_processing($post_id);
                
                $debug_info[] = array(
                    'id' => $post_id,
                    'title' => $post->post_title,
                    'tags_count' => count($tags),
                    'needs_seo' => $needs_seo
                );
            }
            
            $current_progress = get_option('ai_smart_excerpt_seo_bulk_progress', array('status' => 'idle'));
            
            // Test LLM connectivity with a simple call
            $llm_test_result = 'Not tested';
            try {
                $ai_plugin = AI_Smart_Excerpt::get_instance();
                $llm_service = new LLM_Service();
                $test_tags = $llm_service->generate_tags('This is a test article about health and wellness.', 'Test Article', 3);
                $llm_test_result = $test_tags ? 'SUCCESS - Got ' . count($test_tags) . ' tags' : 'FAILED - No tags returned';
            } catch (Exception $e) {
                $llm_test_result = 'ERROR: ' . $e->getMessage();
            }
            
            wp_send_json_success(array(
                'total_posts' => count($posts),
                'debug_posts' => $debug_info,
                'current_progress' => $current_progress,
                'llm_connectivity_test' => $llm_test_result,
                'yoast_integration_check' => $this->check_yoast_integration($posts[0])
            ));
            
        } catch (Exception $e) {
            wp_send_json_error('Debug failed: ' . $e->getMessage());
        }
    }

    /**
     * Check Yoast SEO integration for a specific post.
     */
    private function check_yoast_integration($post_id) {
        if (empty($post_id)) {
            return 'No post ID provided';
        }

        $result = array();
        
        // Check if Yoast is active
        $result['yoast_active'] = defined('WPSEO_VERSION') ? 'YES (' . WPSEO_VERSION . ')' : 'NO';
        
        // Check Yoast meta fields
        $result['focus_keyword'] = get_post_meta($post_id, '_yoast_wpseo_focuskw', true) ?: 'EMPTY';
        $result['keyword_synonyms'] = get_post_meta($post_id, '_yoast_wpseo_keywordsynonyms', true) ?: 'EMPTY';
        
        // Check our AI assignments
        $ai_assignments = get_post_meta($post_id, '_ai_seo_assignments', true);
        $result['ai_assignments'] = $ai_assignments ? $ai_assignments : 'NONE';
        
        return $result;
    }

    /**
     * Force next SEO batch processing.
     */
    public function ajax_force_seo_batch() {
        if (!current_user_can('manage_options')) {
            wp_send_json_error('Insufficient permissions');
            return;
        }

        try {
            $ai_plugin = AI_Smart_Excerpt::get_instance();
            
            // Force process the next batch
            $ai_plugin->process_bulk_seo();
            
            $progress = get_option('ai_smart_excerpt_seo_bulk_progress', array('status' => 'idle'));
            
            wp_send_json_success(array(
                'message' => 'Forced next batch processing',
                'progress' => $progress
            ));
            
        } catch (Exception $e) {
            wp_send_json_error('Failed to force batch: ' . $e->getMessage());
        }
    }
    
    /**
     * AJAX handler for force regenerating all excerpts (skips all checks).
     */
    public function ajax_force_regenerate_excerpts() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
            return;
        }

        // Check if bulk processing is already running
        $bulk_progress = get_option('ai_smart_excerpt_bulk_progress', array('status' => 'idle'));

        if ($bulk_progress['status'] === 'running') {
            wp_send_json_error(esc_html__('Bulk processing is already running', 'ai-smart-excerpt'));
            return;
        }

        // Reset progress for new bulk operation
        update_option('ai_smart_excerpt_bulk_progress', array(
            'status' => 'idle',
            'total' => 0,
            'processed' => 0,
            'current_batch' => 0,
            'errors' => 0,
            'started_at' => 0,
            'force_regenerate' => true // Flag to skip all checks
        ));

        // Schedule bulk processing to start immediately
        wp_schedule_single_event(time() + 5, 'ai_smart_excerpt_bulk_process');

        // Also schedule a backup trigger in case the first one fails
        wp_schedule_single_event(time() + 60, 'ai_smart_excerpt_bulk_process_backup');

        wp_send_json_success(array(
            'message' => esc_html__('Force excerpt regeneration started. This will regenerate ALL excerpts.', 'ai-smart-excerpt')
        ));
    }
    
    /**
     * AJAX handler for force regenerating all SEO content (skips all checks).
     */
    public function ajax_force_regenerate_seo() {
        check_ajax_referer('ai_smart_excerpt_ajax', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
            return;
        }

        // Check if SEO bulk processing is already running
        $seo_bulk_progress = get_option('ai_smart_excerpt_seo_bulk_progress', array('status' => 'idle'));

        if ($seo_bulk_progress['status'] === 'running') {
            wp_send_json_error(esc_html__('SEO bulk processing is already running', 'ai-smart-excerpt'));
            return;
        }

        // Reset SEO progress for new bulk operation with force flag
        update_option('ai_smart_excerpt_seo_bulk_progress', array(
            'status' => 'idle',
            'total' => 0,
            'processed' => 0,
            'current_batch' => 0,
            'batch_size' => 3,
            'start_time' => 0,
            'last_updated' => 0,
            'errors' => 0,
            'force_regenerate' => true // Flag to skip all checks
        ));

        // Schedule SEO bulk processing to start immediately
        wp_schedule_single_event(time() + 5, 'ai_smart_excerpt_seo_bulk_process');

        wp_send_json_success(array(
            'message' => esc_html__('Force SEO regeneration started. This will regenerate ALL SEO content for all posts.', 'ai-smart-excerpt')
        ));
    }

    /**
     * Render recommendations tab.
     */
    private function render_recommendations_tab() {
        ?>
        <div class="ai-excerpt-tab-content">
            <div class="ai-excerpt-hero">
                <h2><?php esc_html_e('🌟 Recommended WordPress Plugins', 'ai-smart-excerpt'); ?></h2>
                <p class="description">
                    <?php esc_html_e('Enhance your WordPress site with these powerful companion plugins from the same developer', 'ai-smart-excerpt'); ?>
                </p>
            </div>

            <div class="recommendations-grid" style="display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin: 30px 0;">
                <!-- Link Automator Pro -->
                <div class="plugin-recommendation-card" style="background: #fff; border: 1px solid #ddd; border-radius: 8px; padding: 25px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);">
                    <div class="plugin-icon" style="text-align: center; margin-bottom: 20px;">
                        <svg width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="#667eea" stroke-width="2" style="margin: 0 auto;">
                            <path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"/>
                            <path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"/>
                        </svg>
                    </div>
                    <h3 style="color: #2271b1; font-size: 22px; margin-bottom: 10px; text-align: center;">Link Automator Pro</h3>
                    <p style="font-weight: bold; color: #d63638; text-align: center; margin-bottom: 15px; font-size: 16px;">Save hours of manual work with automatic link generation!</p>
                    
                    <p style="margin-bottom: 20px; line-height: 1.6;">
                        Link Automator Pro automatically converts keywords into affiliate links, internal links, or any custom URLs across your entire website. Perfect for affiliate marketers, bloggers, and anyone looking to improve their internal linking structure.
                    </p>
                    
                    <div style="background: #f8f9fa; padding: 15px; border-radius: 6px; margin-bottom: 20px;">
                        <h4 style="margin-top: 0; color: #2271b1;">🚀 Key Features:</h4>
                        <ul style="margin-bottom: 0; padding-left: 20px;">
                            <li>✅ Automatic keyword to link conversion</li>
                            <li>✅ Perfect for affiliate marketing campaigns</li>
                            <li>✅ Improves SEO with smart internal linking</li>
                            <li>✅ Bulk management of hundreds of keywords</li>
                            <li>✅ Safe processing that respects existing links</li>
                            <li>✅ Performance optimized for large sites</li>
                        </ul>
                    </div>
                    
                    <div style="background: #e8f4f8; padding: 15px; border-radius: 6px; margin-bottom: 20px; border-left: 4px solid #2271b1;">
                        <h4 style="margin-top: 0; color: #2271b1;">💡 Perfect For:</h4>
                        <p style="margin-bottom: 8px;"><strong>Affiliate Marketing:</strong> Set "iPhone 15" to automatically link to your Amazon affiliate URL across all posts</p>
                        <p style="margin-bottom: 8px;"><strong>SEO Improvement:</strong> Build topic clusters by linking related keywords to pillar pages</p>
                        <p style="margin-bottom: 0;"><strong>Content Monetization:</strong> Convert product mentions into commission-earning links</p>
                    </div>
                    
                    <div style="text-align: center; margin-top: 20px;">
                        <a href="https://wordpress.org/plugins/link-automator-pro/" target="_blank" style="background: #2271b1; color: white; text-decoration: none; padding: 12px 24px; border-radius: 6px; display: inline-block; margin-bottom: 10px; font-weight: bold;">
                            🔗 Visit WordPress.org Page
                        </a>
                        <br>
                        <a href="https://wordpress.org/plugins/link-automator-pro/" target="_blank" style="background: #00a32a; color: white; text-decoration: none; padding: 10px 20px; border-radius: 6px; display: inline-block; font-weight: bold;">
                            📥 Download Now - Free
                        </a>
                    </div>
                </div>

                <!-- Knowledge AI Bot -->
                <div class="plugin-recommendation-card" style="background: #fff; border: 1px solid #ddd; border-radius: 8px; padding: 25px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);">
                    <div class="plugin-icon" style="text-align: center; margin-bottom: 20px;">
                        <svg width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="#764ba2" stroke-width="2" style="margin: 0 auto;">
                            <path d="M12 5a3 3 0 1 0-5.997.125 4 4 0 0 0-2.526 5.77 4 4 0 0 0 .556 6.588A4 4 0 1 0 12 18Z"/>
                            <path d="M12 5a3 3 0 1 1 5.997.125 4 4 0 0 1 2.526 5.77 4 4 0 0 1-.556 6.588A4 4 0 1 1 12 18Z"/>
                            <path d="M15 13a1 1 0 0 1-3 0 1 1 0 0 1-3 0"/>
                            <path d="M9 9h.01"/>
                            <path d="M15 9h.01"/>
                        </svg>
                    </div>
                    <h3 style="color: #2271b1; font-size: 22px; margin-bottom: 10px; text-align: center;">Knowledge AI Bot</h3>
                    <p style="font-weight: bold; color: #d63638; text-align: center; margin-bottom: 15px; font-size: 16px;">Transform your site into an intelligent knowledge hub!</p>
                    
                    <p style="margin-bottom: 20px; line-height: 1.6;">
                        Knowledge AI Bot adds an intelligent AI chatbot to your website, specifically designed to help visitors understand and engage with your content. Unlike generic chatbots, it focuses on your site's actual content, perfect for knowledge-based websites.
                    </p>
                    
                    <div style="background: #f8f9fa; padding: 15px; border-radius: 6px; margin-bottom: 20px;">
                        <h4 style="margin-top: 0; color: #2271b1;">✨ Key Features:</h4>
                        <ul style="margin-bottom: 0; padding-left: 20px;">
                            <li>🤖 Multi-AI platform support (OpenAI, Claude, Gemini)</li>
                            <li>🎯 Contextually aware responses based on your content</li>
                            <li>📱 Fully customizable appearance and positioning</li>
                            <li>🌍 Mobile-responsive design with smooth animations</li>
                            <li>🛡️ Security-focused architecture with API encryption</li>
                            <li>⚡ Performance optimized, loads asynchronously</li>
                        </ul>
                    </div>
                    
                    <div style="background: #e8f4f8; padding: 15px; border-radius: 6px; margin-bottom: 20px; border-left: 4px solid #2271b1;">
                        <h4 style="margin-top: 0; color: #2271b1;">🎯 Perfect For:</h4>
                        <p style="margin-bottom: 8px;"><strong>Knowledge Base Sites:</strong> Help users understand complex documentation</p>
                        <p style="margin-bottom: 8px;"><strong>Educational Websites:</strong> Explain concepts and answer student questions</p>
                        <p style="margin-bottom: 0;"><strong>Content Blogs:</strong> Engage readers with deeper explanations and discussions</p>
                    </div>
                    
                    <div style="text-align: center; margin-top: 20px;">
                        <a href="https://wordpress.org/plugins/knowledge-ai-bot/" target="_blank" style="background: #2271b1; color: white; text-decoration: none; padding: 12px 24px; border-radius: 6px; display: inline-block; margin-bottom: 10px; font-weight: bold;">
                            🤖 Visit WordPress.org Page
                        </a>
                        <br>
                        <a href="https://wordpress.org/plugins/knowledge-ai-bot/" target="_blank" style="background: #00a32a; color: white; text-decoration: none; padding: 10px 20px; border-radius: 6px; display: inline-block; font-weight: bold;">
                            📥 Download Now - Free
                        </a>
                    </div>
                </div>
            </div>

            <div class="recommendations-footer" style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; border-radius: 8px; margin-top: 40px; text-align: center;">
                <h3 style="color: white; margin-top: 0;">🤝 Why These Recommendations?</h3>
                <p style="margin-bottom: 20px; font-size: 16px; line-height: 1.6;">These plugins are developed by the same team behind AI Smart Excerpt, ensuring quality, compatibility, and ongoing support.</p>
                
                <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 30px 0;">
                    <div style="background: rgba(255,255,255,0.1); padding: 20px; border-radius: 6px;">
                        <strong style="display: block; margin-bottom: 8px;">✅ Quality Assurance</strong>
                        <p style="margin: 0; font-size: 14px;">Built with the same attention to detail and security standards</p>
                    </div>
                    <div style="background: rgba(255,255,255,0.1); padding: 20px; border-radius: 6px;">
                        <strong style="display: block; margin-bottom: 8px;">✅ Perfect Compatibility</strong>
                        <p style="margin: 0; font-size: 14px;">Designed to work seamlessly with your existing WordPress setup</p>
                    </div>
                    <div style="background: rgba(255,255,255,0.1); padding: 20px; border-radius: 6px;">
                        <strong style="display: block; margin-bottom: 8px;">✅ Ongoing Support</strong>
                        <p style="margin: 0; font-size: 14px;">Regular updates and dedicated support from the same developers</p>
                    </div>
                    <div style="background: rgba(255,255,255,0.1); padding: 20px; border-radius: 6px;">
                        <strong style="display: block; margin-bottom: 8px;">✅ WordPress Standards</strong>
                        <p style="margin: 0; font-size: 14px;">Fully compliant with WordPress coding standards and best practices</p>
                    </div>
                </div>
                
                <div style="background: rgba(255,255,255,0.2); padding: 20px; border-radius: 8px; margin-top: 30px;">
                    <p style="margin: 0; font-size: 16px; line-height: 1.6;"><strong>💡 Pro Tip:</strong> These plugins work great together! Use Link Automator Pro to build your internal link structure, AI Smart Excerpt to create compelling content summaries, and Knowledge AI Bot to engage visitors with intelligent conversations.</p>
                </div>
            </div>
        </div>
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    }
}