<?php
/**
 * The public-facing functionality of the plugin.
 *
 * @since      1.0.0
 *
 * @package    Add_As_Preferred_Source
 * @subpackage Add_As_Preferred_Source/public
 */

/**
 * The public-facing functionality of the plugin.
 *
 * Defines the plugin name, version, and hooks for the public-facing side of the site.
 *
 * @package    Add_As_Preferred_Source
 * @subpackage Add_As_Preferred_Source/public
 */
class ADASPRSO_Public {

    /**
     * The ID of this plugin.
     *
     * @since    1.0.0
     * @access   private
     * @var      string    $plugin_name    The ID of this plugin.
     */
    private $plugin_name;

    /**
     * The version of this plugin.
     *
     * @since    1.0.0
     * @access   private
     * @var      string    $version    The current version of this plugin.
     */
    private $version;

    /**
     * The options of this plugin.
     *
     * @since    1.0.0
     * @access   private
     * @var      array    $options    The options of this plugin.
     */
    private $options;

    /**
     * Initialize the class and set its properties.
     *
     * @since    1.0.0
     * @param      string    $plugin_name       The name of the plugin.
     * @param      string    $version    The version of this plugin.
     * @param      array     $options    The options of this plugin.
     */
    public function __construct($plugin_name, $version, $options) {
        $this->plugin_name = $plugin_name;
        $this->version = $version;
        $this->options = $options;
    }

    /**
     * Return the domain to use in Google Preferred Source links.
     * Uses the saved custom_domain option when set, otherwise falls back to home_url().
     */
    private function get_google_domain() {
        $custom = isset( $this->options['custom_domain'] ) ? trim( $this->options['custom_domain'] ) : '';
        if ( ! empty( $custom ) ) {
            return $custom;
        }
        return wp_parse_url( home_url(), PHP_URL_HOST );
    }

    /**
     * Register the stylesheets for the public-facing side of the site.
     */
    public function enqueue_styles() {
        // Only include the stylesheet if the banner is enabled
        if (isset($this->options['enabled']) && $this->options['enabled']) {
            wp_enqueue_style($this->plugin_name, ADASPRSO_PLUGIN_URL . 'public/css/add-as-preferred-source-public.css', array(), $this->version, 'all');
        }
    }

    /**
     * Register the JavaScript for the public-facing side of the site.
     */
    public function enqueue_scripts() {
        // Only include the script if the banner is enabled
        if (isset($this->options['enabled']) && $this->options['enabled']) {
            wp_enqueue_script($this->plugin_name, ADASPRSO_PLUGIN_URL . 'public/js/add-as-preferred-source-public.js', array(), $this->version, true);
            
            // Localize script with options
            wp_localize_script($this->plugin_name, 'adasprsoOptions', array(
                'domain'              => $this->get_google_domain(),
                'bannerTrigger'       => isset($this->options['banner_trigger']) ? $this->options['banner_trigger'] : 'immediate',
                'bannerScrollPercent' => isset($this->options['banner_scroll_percent']) ? (int) $this->options['banner_scroll_percent'] : 50,
                'bannerDelaySeconds'  => isset($this->options['banner_delay_seconds']) ? (int) $this->options['banner_delay_seconds'] : 5,
                'ajaxUrl'             => admin_url('admin-ajax.php'),
                'trackNonce'          => wp_create_nonce('adasprso_track_nonce'),
            ));
        }
    }

    /**
     * Display the preferred source banner in the footer.
     *
     * @since    1.0.0
     */
    public function display_preferred_source_banner() {
        // Check if the banner is enabled
        if (!isset($this->options['enabled']) || !$this->options['enabled']) {
            return;
        }

        // Check device-specific settings
        $is_mobile = wp_is_mobile();
        $show_on_mobile = isset($this->options['show_on_mobile']) ? $this->options['show_on_mobile'] : 1;
        $show_on_desktop = isset($this->options['show_on_desktop']) ? $this->options['show_on_desktop'] : 1;

        // Don't show if device settings don't allow it
        if (($is_mobile && !$show_on_mobile) || (!$is_mobile && !$show_on_desktop)) {
            return;
        }

        // Check display rules
        if (!$this->should_display()) {
            return;
        }

        // Load the banner template
        include_once ADASPRSO_PLUGIN_PATH . 'public/partials/add-as-preferred-source-public-display.php';
    }

    /**
     * Determine whether the banner should be shown on the current page
     * based on the Display Rules settings.
     *
     * @since    1.1
     * @return   bool
     */
    private function should_display() {
        $display_on = isset($this->options['display_on']) ? $this->options['display_on'] : 'everywhere';

        // Broad context filter
        if ($display_on === 'posts_only' && !is_singular('post')) {
            return false;
        }
        if ($display_on === 'pages_only' && !is_page()) {
            return false;
        }
        if ($display_on === 'front_page_only' && !is_front_page()) {
            return false;
        }

        // Exclude specific post / page IDs
        $exclude_ids = $this->parse_ids(isset($this->options['exclude_post_ids']) ? $this->options['exclude_post_ids'] : '');
        if (!empty($exclude_ids) && is_singular() && in_array(get_the_ID(), $exclude_ids, true)) {
            return false;
        }

        // Exclude categories
        $exclude_cats = isset($this->options['exclude_categories']) ? (array) $this->options['exclude_categories'] : array();
        $exclude_cats = array_filter(array_map('intval', $exclude_cats));
        if (!empty($exclude_cats) && is_singular('post') && has_category($exclude_cats)) {
            return false;
        }

        return true;
    }

    /**
     * Parse a comma-separated string of IDs into an array of integers.
     *
     * @since    1.1
     * @param    string    $str
     * @return   int[]
     */
    private function parse_ids($str) {
        if (empty($str)) {
            return array();
        }
        return array_values(array_filter(array_map('intval', explode(',', $str))));
    }

    /**
     * Get processed banner text with website name replacement
     *
     * @since    1.0.0
     * @return   string    The processed banner text.
     */
    public function get_processed_banner_text() {
        $banner_text = isset($this->options['banner_text']) ? $this->options['banner_text'] : 'Add as a preferred source on Google';
        $website_name = isset($this->options['website_name']) ? $this->options['website_name'] : get_bloginfo('name');
        
        // Replace {website_name} placeholder with actual website name
        $processed_text = str_replace('{website_name}', $website_name, $banner_text);
        
        return $processed_text;
    }

    /**
     * Add the inline button to the content.
     *
     * @since    1.0.0
     * @param    string    $content    The content.
     * @return   string    The content with the inline button appended/prepended.
     */
    public function add_inline_button_to_content($content) {
        // Check if inline button is enabled
        if (!isset($this->options['inline_enabled']) || !$this->options['inline_enabled']) {
            return $content;
        }

        // Only display on single posts/pages and in the main query
        if (!is_singular() || !is_main_query()) {
            return $content;
        }
        
        // Check Post Type
        $post_types = isset($this->options['inline_post_types']) ? $this->options['inline_post_types'] : array('post');
        if (!in_array(get_post_type(), $post_types, true)) {
            return $content;
        }
        
        // Get Settings
        $position = isset($this->options['inline_position']) ? $this->options['inline_position'] : 'both';
        $inline_text = isset($this->options['inline_text']) ? $this->options['inline_text'] : 'Stay connected via Google News';
        $inline_subtitle = isset($this->options['inline_subtitle']) ? $this->options['inline_subtitle'] : 'Follow us for the latest travel updates and guides.';
        $inline_bg_color = isset($this->options['inline_bg_color']) ? $this->options['inline_bg_color'] : '#ffffff';
        $inline_text_color = isset($this->options['inline_text_color']) ? $this->options['inline_text_color'] : '#1c1e21';
        
        $google_button_image = ADASPRSO_PLUGIN_URL . 'public/images/google-preferred-source-button.png';

        // Generate Google Preferences URL using the configured (or auto-detected) domain
        $adasprso_google_url = 'https://www.google.com/preferences/source?q=' . urlencode( $this->get_google_domain() );
        
        // Start Output Buffering
        ob_start();
        include ADASPRSO_PLUGIN_PATH . 'public/partials/add-as-preferred-source-public-inline.php';
        $button_html = ob_get_clean();
        
        // Inject based on position
        if ($position === 'above') {
            $content = $button_html . $content;
        } elseif ($position === 'below') {
            $content = $content . $button_html;
        } elseif ($position === 'both') {
            $content = $button_html . $content . $button_html;
        }
        
        return $content;
    }
        

}