<?php
/**
 * The admin-specific functionality of the plugin.
 *
 * @link       https://www.acewebx.com/
 * @since      1.0.0
 *
 * @package    Ace_Testimonials_Slider
 * @subpackage Ace_Testimonials_Slider/admin
 */

/**
 * The admin-specific functionality of the plugin.
 *
 * @package    Ace_Testimonials_Slider
 * @subpackage Ace_Testimonials_Slider/admin
 * @author     Acewebx <developer@acewebx.com>
 */
if ( ! defined( 'WPINC' ) ) {
    die;
}

class Ace_Testimonials_Slider_Admin {

	private $plugin_name;
	private $version;

	public function __construct( $plugin_name, $version ) {
		$this->plugin_name = $plugin_name;
		$this->version     = $version;
	}

	/**
	 * Enqueue admin styles.
	 */
	public function enqueue_styles() {
		$style_path     = plugin_dir_path(__FILE__) . 'css/ace-testimonials-slider-admin.css';
		$style_url      = plugin_dir_url(__FILE__) . 'css/ace-testimonials-slider-admin.css';
		$style_version  = file_exists($style_path) ? filemtime($style_path) : $this->version;
		wp_enqueue_style($this->plugin_name . '-admin', $style_url, array(), $style_version, 'all');
	}

	/**
	 * Enqueue admin scripts.
	 */
	public function enqueue_scripts($hook_suffix) {
		wp_enqueue_style('wp-color-picker');
		$script_path = plugin_dir_path(__FILE__) . 'js/ace-testimonials-slider-admin.js';
		$script_url  = plugin_dir_url(__FILE__) . 'js/ace-testimonials-slider-admin.js';
		$version     = file_exists($script_path) ? filemtime($script_path) : $this->version;
		wp_enqueue_script($this->plugin_name . '-admin', $script_url, array('jquery', 'wp-color-picker'), $version, true);
	}

	/**
	 * Register testimonial post type.
	 */
	public function aceslider_register_post_type() {
		$labels = [
			'name'               => 'Ace Testimonials',
			'singular_name'      => 'Ace Testimonial',
			'menu_name'          => 'Ace Testimonials',
			'name_admin_bar'     => 'Ace Testimonial',
			'add_new'            => 'Add New',
			'add_new_item'       => 'Add New Testimonial',
			'new_item'           => 'New Testimonial',
			'edit_item'          => 'Edit Testimonial',
			'view_item'          => 'View Testimonial',
			'all_items'          => 'All Testimonials',
			'search_items'       => 'Search Testimonials',
			'not_found'          => 'No testimonials found.',
			'not_found_in_trash' => 'No testimonials found in Trash.'
		];

		$args = [
			'labels'             => $labels,
			'public'             => true,
			'show_ui'            => true,
			'show_in_menu'       => true,
			'menu_position'      => 12,
			'menu_icon'          => 'dashicons-testimonial',
			'supports'           => ['title', 'editor', 'thumbnail']
		];

		register_post_type('ace-testimonials', $args);
	}

	/**
	 * Add submenu for settings.
	 */
	public function aceslider_menu() {
		add_submenu_page(
			'edit.php?post_type=ace-testimonials',
			'Settings',
			'Settings',
			'manage_options',
			'ace-testimonials-slider',
			[$this, 'aceslider_settings_page']
		);
	}

	/**
	 * Display settings page.
	 */
	public function aceslider_settings_page() {
		if ( isset( $_POST['aceslider_reset_settings'] ) ) {
			if ( ! isset( $_POST['aceslider_reset_nonce_field'] ) || 
				! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['aceslider_reset_nonce_field'] ) ), 'aceslider_reset_nonce' ) ) {
				wp_die( esc_html__( 'Security check failed. Nonce verification failed.', 'ace-testimonials-slider' ) );
			}

			if ( ! current_user_can( 'manage_options' ) ) {
				wp_die( esc_html__( 'You do not have permission to perform this action.', 'ace-testimonials-slider' ) );
			}

			$default_settings = $this->aceslider_get_default_settings();
			update_option( 'aceslider_settings', $default_settings );
			add_settings_error( 'aceslider_messages', 'aceslider_message', esc_html__( 'Settings reset to default.', 'ace-testimonials-slider' ), 'updated' );
		}

		require plugin_dir_path( __FILE__ ) . 'partials/ace-testimonials-slider-admin-display.php';
	}

	private function aceslider_get_default_settings() {
		return [
			'image_shape' => 'circle',
			'image_size' => 'thumbnail',
			'custom_width' => '',
			'custom_height' => '',
			'char_limit' => 40,
			'rating_position' => 'below_name',
			'show_image' => 1,
			'slider_bg_color' => '#ffffff',
			'slider_heading_color' => '#000000',
			'slider_description_color' => '#000000',
			'showarrows' => 1,
			'showdot' => 1,
			'slidestoShow' => 2,
			'slidesToScroll' => 2,
			'autoplay' => 0,
			'autoplaySpeed' => 2000,
		];
	}

	public function aceslider_register() {
		register_setting('ace_slider_settings', 'aceslider_settings', [
			'sanitize_callback' => [$this, 'sanitize_aceslider_settings'],
		]);
	}

	public function sanitize_aceslider_settings($input) {
		if (!is_array($input)) {
			return [];
		}

		$sanitized = [];
		$sanitized['image_shape']              = sanitize_text_field($input['image_shape'] ?? '');
		$sanitized['image_size']               = sanitize_text_field($input['image_size'] ?? '');
		$sanitized['rating_position']          = sanitize_text_field($input['rating_position'] ?? '');
		$sanitized['slider_bg_color']          = sanitize_text_field($input['slider_bg_color'] ?? '');
		$sanitized['slider_heading_color']     = sanitize_text_field($input['slider_heading_color'] ?? '');
		$sanitized['slider_description_color'] = sanitize_text_field($input['slider_description_color'] ?? '');
		$sanitized['custom_width']             = isset($input['custom_width']) ? absint($input['custom_width']) : 0;
		$sanitized['custom_height']            = isset($input['custom_height']) ? absint($input['custom_height']) : 0;
		$sanitized['char_limit']               = isset($input['char_limit']) ? absint($input['char_limit']) : 100;
		$sanitized['slidestoShow']             = isset($input['slidestoShow']) ? absint($input['slidestoShow']) : 3;
		$sanitized['slidesToScroll']           = isset($input['slidesToScroll']) ? absint($input['slidesToScroll']) : 1;
		$sanitized['autoplaySpeed']            = isset($input['autoplaySpeed']) ? absint($input['autoplaySpeed']) : 2000;

		foreach (['show_image', 'autoplay', 'showdot', 'showarrows'] as $box) {
			$sanitized[$box] = !empty($input[$box]) ? 1 : 0;
		}

		return $sanitized;
	}

	/**
	 * Add meta box.
	 */
	public function testimonial_meta_box() {
		add_meta_box(
			'testimonial_meta',
			'Testimonial Rating',
			[$this, 'testimonial_meta_box_callback'],
			'ace-testimonials',
			'normal',
			'high'
		);
	}

	public function testimonial_meta_box_callback($post) {
		wp_nonce_field('ace_testimonial_save_meta', 'ace_testimonial_nonce');
		$rating = get_post_meta($post->ID, '_testimonial_rating', true);
		?>
		<p>
			<label for="testimonial_rating"><?php esc_html_e('Select rating:', 'ace-testimonials-slider'); ?></label>
			<select id="testimonial_rating" name="testimonial_rating" style="width:100%;">
				<option value=""><?php esc_html_e('Select rating', 'ace-testimonials-slider'); ?></option>
				<?php for ($i = 1; $i <= 5; $i++) : ?>
					<option value="<?php echo esc_attr($i); ?>" <?php selected($rating, (string) $i); ?>>
						<?php echo esc_html($i . ' ' . _n('Star', 'Stars', $i, 'ace-testimonials-slider')); ?>
					</option>
				<?php endfor; ?>
			</select>
		</p>
		<?php
	}

	/**
	 * Save testimonial meta safely with nonce and capability check.
	 */
	public function save_testimonial_meta($post_id) {
		if ( ! isset($_POST['ace_testimonial_nonce']) ||
			! wp_verify_nonce(sanitize_text_field(wp_unslash($_POST['ace_testimonial_nonce'])), 'ace_testimonial_save_meta') ) {
			return;
		}
		if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) {
			return;
		}
		if ( get_post_type($post_id) !== 'ace-testimonials' ) {
			return;
		}
		if ( ! current_user_can('edit_post', $post_id) ) {
			return;
		}
		if ( isset($_POST['testimonial_rating']) ) {
			$rating = intval($_POST['testimonial_rating']);
			$rating = max(0, min(5, $rating));
			update_post_meta($post_id, '_testimonial_rating', $rating);
		}
	}
}