<?php
/**
 * Register Custom Post Type and Metaboxes for Affiliate Cards.
 *
 * @package AffiStyle
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class AffiStyle_CPT
 *
 * Handles custom post type registration and metabox operations.
 */
class AffiStyle_CPT {


	/**
	 * Constructor. Registers hooks.
	 */
	public function __construct() {
		add_action( 'init', array( $this, 'register_affistyle_box_cpt' ) );
		add_action( 'add_meta_boxes', array( $this, 'add_affistyle_box_metaboxes' ) );
		add_action( 'save_post', array( $this, 'save_affistyle_box_meta' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_assets' ) );
		add_action( 'wp_ajax_affistyle_fetch_amazon_product', array( $this, 'ajax_fetch_amazon_product' ) );
		add_filter( 'manage_affistyle_box_posts_columns', array( $this, 'register_admin_columns' ) );
		add_filter( 'manage_aff_box_posts_columns', array( $this, 'register_admin_columns' ) );
		add_action( 'manage_affistyle_box_posts_custom_column', array( $this, 'render_admin_columns' ), 10, 2 );
		add_action( 'manage_aff_box_posts_custom_column', array( $this, 'render_admin_columns' ), 10, 2 );
		add_filter( 'list_table_primary_column', array( $this, 'filter_primary_column' ), 10, 2 );
		add_filter( 'post_row_actions', array( $this, 'add_quick_preview_row_action' ), 10, 2 );
		add_action( 'admin_footer-edit.php', array( $this, 'render_admin_preview_modal' ) );
		add_action( 'wp_ajax_affistyle_admin_preview_box', array( $this, 'ajax_preview_box' ) );
		add_action( 'wp_ajax_affistyle_live_render_preview', array( $this, 'ajax_live_render_preview' ) );
		add_action( 'do_meta_boxes', array( $this, 'remove_default_publish_metabox' ), 999 );
		add_filter( 'screen_layout_columns', array( $this, 'filter_screen_layout_columns' ), 10, 2 );
		add_filter( 'get_user_option_screen_layout_affistyle_box', array( $this, 'force_1_column_layout' ) );
		add_filter( 'get_user_option_screen_layout_aff_box', array( $this, 'force_1_column_layout' ) );
		add_filter( 'admin_body_class', array( $this, 'filter_admin_body_class' ) );
		add_action( 'all_admin_notices', array( $this, 'render_cards_list_header' ) );
	}

	/**
	 * Register the 'affistyle_box' Custom Post Type.
	 */
	public function register_affistyle_box_cpt() {
		$labels = array(
			'name'               => __( 'Affiliate Boxes', 'affistyle' ),
			'singular_name'      => __( 'Affiliate Box', 'affistyle' ),
			'menu_name'          => __( 'AffiStyle', 'affistyle' ),
			'add_new'            => __( 'Add New Box', 'affistyle' ),
			'add_new_item'       => __( 'Add New Affiliate Box', 'affistyle' ),
			'edit_item'          => __( 'Edit Affiliate Box', 'affistyle' ),
			'new_item'           => __( 'New Affiliate Box', 'affistyle' ),
			'view_item'          => __( 'View Affiliate Box', 'affistyle' ),
			'search_items'       => __( 'Search Affiliate Boxes', 'affistyle' ),
			'not_found'          => __( 'No affiliate boxes found', 'affistyle' ),
			'not_found_in_trash' => __( 'No affiliate boxes found in Trash', 'affistyle' ),
		);

		$args = array(
			'labels'          => $labels,
			'public'          => false,
			'show_ui'         => true,
			'show_in_menu'    => true,
			'menu_icon'       => 'dashicons-index-card',
			'capability_type' => 'post',
			'hierarchical'    => false,
			'supports'        => array( 'title' ),
			'show_in_rest'    => true, // Enables Gutenberg and REST API support.
		);

		register_post_type( 'affistyle_box', $args );
	}

	/**
	 * Detect active admin post type with comprehensive fallbacks.
	 *
	 * @return string
	 */
	public function get_current_admin_post_type() {
		global $typenow, $post_type, $post;
		$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null;

		if ( ! empty( $screen->post_type ) ) {
			return (string) $screen->post_type;
		}
		if ( ! empty( $typenow ) ) {
			return (string) $typenow;
		}
		if ( ! empty( $post_type ) ) {
			return (string) $post_type;
		}
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		if ( isset( $_GET['post_type'] ) ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Recommended
			return sanitize_key( wp_unslash( $_GET['post_type'] ) );
		}
		if ( isset( $post ) && isset( $post->post_type ) ) {
			return (string) $post->post_type;
		}
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		if ( isset( $_GET['post'] ) ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Recommended
			return (string) get_post_type( absint( $_GET['post'] ) );
		}
		return '';
	}

	/**
	 * Add body classes on affistyle admin screens to support clean scoped CSS styling.
	 *
	 * @param string $classes Space-separated body classes.
	 * @return string
	 */
	public function filter_admin_body_class( $classes ) {
		$current_type = $this->get_current_admin_post_type();
		if ( in_array( $current_type, array( 'affistyle_box', 'aff_box' ), true ) ) {
			$classes .= ' post-type-affistyle_box affistyle-builder-active';
		}
		return $classes;
	}

	/**
	 * Enqueue builder assets (CSS and JS) with cache-busting timestamp versioning.
	 *
	 * @param int $box_id Box ID.
	 */
	public function enqueue_builder_assets( $box_id = 0 ) {
		$css_file   = AFFISTYLE_PATH . 'assets/css/admin-style.css';
		$front_file = AFFISTYLE_PATH . 'assets/css/affistyle-frontend.css';
		$js_file    = AFFISTYLE_PATH . 'assets/js/admin-builder.js';

		$css_ver   = file_exists( $css_file ) ? (string) filemtime( $css_file ) : AFFISTYLE_VERSION;
		$front_ver = file_exists( $front_file ) ? (string) filemtime( $front_file ) : AFFISTYLE_VERSION;
		$js_ver    = file_exists( $js_file ) ? (string) filemtime( $js_file ) : AFFISTYLE_VERSION;

		$available_styles = function_exists( 'affistyle_get_available_styles' ) ? affistyle_get_available_styles() : array(
			'style-1' => __( 'Style 1 - Horizontal Showcase', 'affistyle' ),
			'style-2' => __( 'Style 2 - Vertical Minimalist', 'affistyle' ),
		);

		wp_enqueue_media();
		wp_enqueue_style( 'affistyle-admin-css', AFFISTYLE_URL . 'assets/css/admin-style.css', array(), $css_ver );
		wp_enqueue_style( 'affistyle-block-frontend-css', AFFISTYLE_URL . 'assets/css/affistyle-frontend.css', array(), $front_ver );
		wp_enqueue_script(
			'affistyle-admin-js',
			AFFISTYLE_URL . 'assets/js/admin-builder.js',
			array( 'jquery' ),
			$js_ver,
			array(
				'strategy'  => 'defer',
				'in_footer' => true,
			)
		);

		wp_localize_script(
			'affistyle-admin-js',
			'affistyleAdminData',
			array(
				'ajax_url'      => admin_url( 'admin-ajax.php' ),
				'fetch_nonce'   => wp_create_nonce( 'affistyle_fetch_product_nonce' ),
				'preview_nonce' => wp_create_nonce( 'affistyle_preview_nonce' ),
				'box_id'        => absint( $box_id ),
				'style_labels'  => $available_styles,
				'i18n'          => array(
					'fetching'      => __( 'Fetching product details...', 'affistyle' ),
					'autoFill'      => __( 'Auto-Fill Details', 'affistyle' ),
					'success'       => __( '✓ Product details populated successfully!', 'affistyle' ),
					'enterUrl'      => __( 'Please enter a valid Amazon product URL.', 'affistyle' ),
					'errorGeneric'  => __( 'Failed to fetch product data. Please enter details manually.', 'affistyle' ),
					'previewSync'   => __( 'Live Sync Active', 'affistyle' ),
					'previewUpdate' => __( 'Updating live preview...', 'affistyle' ),
				),
			)
		);
	}

	/**
	 * Enqueue media uploader and admin styles on AffiStyle editing and list screens.
	 *
	 * @param string $hook Admin page hook.
	 */
	public function enqueue_admin_assets( $hook ) {
		$current_type = $this->get_current_admin_post_type();
		if ( ! in_array( $current_type, array( 'affistyle_box', 'aff_box' ), true ) ) {
			return;
		}

		if ( 'edit.php' === $hook ) {
			$css_file   = AFFISTYLE_PATH . 'assets/css/admin-style.css';
			$front_file = AFFISTYLE_PATH . 'assets/css/affistyle-frontend.css';
			$list_file  = AFFISTYLE_PATH . 'assets/js/admin-list-preview.js';
			$css_ver    = file_exists( $css_file ) ? (string) filemtime( $css_file ) : AFFISTYLE_VERSION;
			$front_ver  = file_exists( $front_file ) ? (string) filemtime( $front_file ) : AFFISTYLE_VERSION;
			$list_ver   = file_exists( $list_file ) ? (string) filemtime( $list_file ) : AFFISTYLE_VERSION;

			wp_enqueue_style( 'affistyle-admin-css', AFFISTYLE_URL . 'assets/css/admin-style.css', array(), $css_ver );
			wp_enqueue_style( 'affistyle-block-frontend-css', AFFISTYLE_URL . 'assets/css/affistyle-frontend.css', array(), $front_ver );
			wp_enqueue_script(
				'affistyle-admin-preview-js',
				AFFISTYLE_URL . 'assets/js/admin-list-preview.js',
				array( 'jquery' ),
				$list_ver,
				array(
					'strategy'  => 'defer',
					'in_footer' => true,
				)
			);
			wp_localize_script(
				'affistyle-admin-preview-js',
				'affistyleListPreviewData',
				array(
					'ajax_url'      => admin_url( 'admin-ajax.php' ),
					'new_card_url'  => admin_url( 'post-new.php?post_type=affistyle_box' ),
					'preview_nonce' => wp_create_nonce( 'affistyle_preview_nonce' ),
					'i18n'          => array(
						'copied'        => __( 'Copied!', 'affistyle' ),
						'copy'          => __( 'Copy', 'affistyle' ),
						'copyShortcode' => __( 'Copy Shortcode', 'affistyle' ),
						'loading'       => __( 'Rendering affiliate card preview...', 'affistyle' ),
						'error'         => __( 'Failed to load preview.', 'affistyle' ),
						'emptyTitle'    => __( 'No affiliate cards found', 'affistyle' ),
						'emptyDesc'     => __( 'Create your first high-converting affiliate product card to boost click-through rates and affiliate revenue.', 'affistyle' ),
						'addNewCard'    => __( 'Add New Card', 'affistyle' ),
					),
				)
			);
			return;
		}

		if ( 'post.php' !== $hook && 'post-new.php' !== $hook ) {
			return;
		}

		global $post;
		$box_id = ( isset( $post ) && isset( $post->ID ) ) ? absint( $post->ID ) : 0;
		$this->enqueue_builder_assets( $box_id );
	}

	/**
	 * Render top SaaS app header on Cards list table screen.
	 */
	public function render_cards_list_header() {
		$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null;
		if ( ! $screen || ! in_array( $screen->id, array( 'edit-affistyle_box', 'edit-aff_box' ), true ) ) {
			return;
		}

		$affistyle_active_tab  = 'cards';
		$affistyle_header_view = AFFISTYLE_PATH . 'admin/views/app-header.php';
		if ( file_exists( $affistyle_header_view ) ) {
			echo '<div class="affistyle-list-header-wrapper">';
			include $affistyle_header_view;
			echo '</div>';
		}
	}

	/**
	 * Add Metaboxes to the CPT screen.
	 */
	public function add_affistyle_box_metaboxes() {
		add_meta_box(
			'affistyle_card_details',
			__( 'Affiliate Card Builder Details', 'affistyle' ),
			array( $this, 'render_metabox_content' ),
			array( 'affistyle_box', 'aff_box' ),
			'normal',
			'high'
		);
	}

	/**
	 * Remove the default WordPress Publish metabox to reclaim full canvas width.
	 *
	 * @param string $post_type Current post type.
	 */
	public function remove_default_publish_metabox( $post_type ) {
		if ( in_array( $post_type, array( 'affistyle_box', 'aff_box' ), true ) ) {
			remove_meta_box( 'submitdiv', $post_type, 'side' );
			remove_meta_box( 'submitdiv', $post_type, 'normal' );
			remove_meta_box( 'submitdiv', $post_type, 'advanced' );
		}
	}

	/**
	 * Filter screen layout columns for affistyle_box post type to force single column workspace.
	 *
	 * @param array        $columns Screen columns.
	 * @param string|mixed $screen_id Screen identifier or screen object.
	 * @return array
	 */
	public function filter_screen_layout_columns( $columns, $screen_id ) {
		$target_id = is_object( $screen_id ) && isset( $screen_id->id ) ? $screen_id->id : (string) $screen_id;
		if ( in_array( $target_id, array( 'affistyle_box', 'aff_box' ), true ) ) {
			$columns[ $target_id ] = 1;
		}
		return $columns;
	}

	/**
	 * Force 1 column layout for affistyle_box editor.
	 *
	 * @return int
	 */
	public function force_1_column_layout() {
		return 1;
	}

	/**
	 * Render the HTML form inside the metabox.
	 *
	 * @param WP_Post $post Current post object.
	 */
	public function render_metabox_content( $post ) {
		// Ensure builder styles and scripts are unconditionally enqueued.
		if ( ! wp_style_is( 'affistyle-admin-css', 'enqueued' ) ) {
			$this->enqueue_builder_assets( $post->ID );
		}

		// Unified single security nonce token matching save handler.
		wp_nonce_field( 'affistyle_save_box_meta', 'affistyle_box_nonce' );

		// Retrieve existing values for Product 1 base fields.
		$template_style = get_post_meta( $post->ID, '_affistyle_template_style', true );
		if ( empty( $template_style ) ) {
			$template_style = get_post_meta( $post->ID, '_affistyle_style', true );
		}
		$title_1 = get_post_meta( $post->ID, '_affistyle_title_1', true );
		$image_1 = get_post_meta( $post->ID, '_affistyle_image_1', true );
		if ( empty( $image_1 ) ) {
			$image_1 = get_post_meta( $post->ID, '_affistyle_image_url', true );
		}
		$description = get_post_meta( $post->ID, '_affistyle_description', true );
		$destination = get_post_meta( $post->ID, '_affistyle_destination', true );
		if ( empty( $destination ) ) {
			$destination = get_post_meta( $post->ID, '_affistyle_url_default', true );
		}
		$button_text = get_post_meta( $post->ID, '_affistyle_button_text', true );
		$badge_text  = get_post_meta( $post->ID, '_affistyle_badge_text', true );
		$bg_color    = get_post_meta( $post->ID, '_affistyle_bg_color', true );
		$btn_color   = get_post_meta( $post->ID, '_affistyle_btn_color', true );
		$pros        = get_post_meta( $post->ID, '_affistyle_pros', true );
		$cons        = get_post_meta( $post->ID, '_affistyle_cons', true );
		$price_1     = get_post_meta( $post->ID, '_affistyle_price_1', true );
		if ( empty( $price_1 ) ) {
			$price_1 = get_post_meta( $post->ID, '_affistyle_price', true );
		}
		$amazon_asin      = get_post_meta( $post->ID, '_affistyle_amazon_asin', true );
		$rating_score     = get_post_meta( $post->ID, '_affistyle_rating_score', true );
		$review_count     = get_post_meta( $post->ID, '_affistyle_review_count', true );
		$show_rating_meta = get_post_meta( $post->ID, '_affistyle_show_rating', true );
		$show_rating      = ( '' === $show_rating_meta ) ? true : ( '1' === (string) $show_rating_meta );

		// Fallbacks.
		if ( empty( $button_text ) ) {
			$button_text = __( 'Claim Deal', 'affistyle' );
		}
		if ( empty( $bg_color ) ) {
			$bg_color = '#ffffff';
		}
		if ( empty( $btn_color ) ) {
			$btn_color = '#2563eb';
		}

		// Strictly load local metabox-form.php view file.
		$view_file = AFFISTYLE_PATH . 'admin/views/metabox-form.php';
		if ( file_exists( $view_file ) ) {
			include $view_file;
		} elseif ( class_exists( 'AffiStyle_Admin_Controller' ) && method_exists( 'AffiStyle_Admin_Controller', 'render_metabox_view' ) ) {
			AffiStyle_Admin_Controller::render_metabox_view( $post );
		}
	}

	/**
	 * Save Metabox Data securely for Product 1 Base Fields.
	 *
	 * @param int $post_id Post ID.
	 */
	public function save_affistyle_box_meta( $post_id ) {
		// 1. Verify Nonce.
		if ( ! isset( $_POST['affistyle_box_nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['affistyle_box_nonce'] ) ), 'affistyle_save_box_meta' ) ) {
			return;
		}

		// 2. Prevent autosaves and revisions from overriding meta.
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}
		if ( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) ) {
			return;
		}

		// 3. Verify target post type and user edit permissions.
		$post_type = get_post_type( $post_id );
		if ( 'affistyle_box' !== $post_type && 'aff_box' !== $post_type ) {
			return;
		}
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}

		// 4. Save Template Style.
		if ( isset( $_POST['affistyle_template_style'] ) ) {
			$template_style   = sanitize_text_field( wp_unslash( $_POST['affistyle_template_style'] ) );
			$available_styles = function_exists( 'affistyle_get_available_styles' ) ? affistyle_get_available_styles() : array();
			if ( ! empty( $template_style ) && ! isset( $available_styles[ $template_style ] ) ) {
				if ( ! preg_match( '/^style-[0-9]+$/', $template_style ) ) {
					$template_style = '';
				}
			}
			update_post_meta( $post_id, '_affistyle_template_style', $template_style );
			update_post_meta( $post_id, '_affistyle_style', $template_style );
		}

		// 5. Sanitize and save general card fields.
		if ( isset( $_POST['affistyle_description'] ) ) {
			update_post_meta( $post_id, '_affistyle_description', sanitize_textarea_field( wp_unslash( $_POST['affistyle_description'] ) ) );
		}
		if ( isset( $_POST['affistyle_button_text'] ) ) {
			update_post_meta( $post_id, '_affistyle_button_text', sanitize_text_field( wp_unslash( $_POST['affistyle_button_text'] ) ) );
		}
		if ( isset( $_POST['affistyle_badge_text'] ) ) {
			update_post_meta( $post_id, '_affistyle_badge_text', sanitize_text_field( wp_unslash( $_POST['affistyle_badge_text'] ) ) );
		}
		if ( isset( $_POST['affistyle_bg_color'] ) ) {
			update_post_meta( $post_id, '_affistyle_bg_color', sanitize_hex_color( wp_unslash( $_POST['affistyle_bg_color'] ) ) );
		}
		if ( isset( $_POST['affistyle_btn_color'] ) ) {
			update_post_meta( $post_id, '_affistyle_btn_color', sanitize_hex_color( wp_unslash( $_POST['affistyle_btn_color'] ) ) );
		}
		if ( isset( $_POST['affistyle_pros'] ) ) {
			update_post_meta( $post_id, '_affistyle_pros', sanitize_textarea_field( wp_unslash( $_POST['affistyle_pros'] ) ) );
		}
		if ( isset( $_POST['affistyle_cons'] ) ) {
			update_post_meta( $post_id, '_affistyle_cons', sanitize_textarea_field( wp_unslash( $_POST['affistyle_cons'] ) ) );
		}
		if ( isset( $_POST['affistyle_rating_score'] ) ) {
			$score = floatval( wp_unslash( $_POST['affistyle_rating_score'] ) );
			$score = max( 0.0, min( 5.0, $score ) );
			update_post_meta( $post_id, '_affistyle_rating_score', $score );
		}
		if ( isset( $_POST['affistyle_review_count'] ) ) {
			update_post_meta( $post_id, '_affistyle_review_count', sanitize_text_field( wp_unslash( $_POST['affistyle_review_count'] ) ) );
		}
		$show_rating = isset( $_POST['affistyle_show_rating'] ) ? '1' : '0';
		update_post_meta( $post_id, '_affistyle_show_rating', $show_rating );

		// 6. Save Product 1 specific fields.
		if ( isset( $_POST['affistyle_title_1'] ) ) {
			update_post_meta( $post_id, '_affistyle_title_1', sanitize_text_field( wp_unslash( $_POST['affistyle_title_1'] ) ) );
		}
		if ( isset( $_POST['affistyle_image_1'] ) ) {
			$img_url_1 = esc_url_raw( wp_unslash( $_POST['affistyle_image_1'] ) );
			update_post_meta( $post_id, '_affistyle_image_1', $img_url_1 );
			update_post_meta( $post_id, '_affistyle_image_url', $img_url_1 );
		}
		if ( isset( $_POST['affistyle_destination'] ) ) {
			$sanitized_dest = esc_url_raw( wp_unslash( $_POST['affistyle_destination'] ) );
			update_post_meta( $post_id, '_affistyle_destination', $sanitized_dest );
			update_post_meta( $post_id, '_affistyle_url_default', $sanitized_dest );
		} elseif ( isset( $_POST['affistyle_url_default'] ) ) {
			$sanitized_dest = esc_url_raw( wp_unslash( $_POST['affistyle_url_default'] ) );
			update_post_meta( $post_id, '_affistyle_destination', $sanitized_dest );
			update_post_meta( $post_id, '_affistyle_url_default', $sanitized_dest );
		}
		// 7. Save Product 1 Price, Original Price, Deal Expiry and ASIN.
		if ( isset( $_POST['affistyle_price_1'] ) ) {
			$sanitized_price = sanitize_text_field( wp_unslash( $_POST['affistyle_price_1'] ) );
			update_post_meta( $post_id, '_affistyle_price_1', $sanitized_price );
			update_post_meta( $post_id, '_affistyle_price', $sanitized_price );
		}
		if ( isset( $_POST['_affistyle_original_price'] ) ) {
			update_post_meta( $post_id, '_affistyle_original_price', sanitize_text_field( wp_unslash( $_POST['_affistyle_original_price'] ) ) );
		}
		if ( isset( $_POST['_affistyle_deal_expiry'] ) ) {
			update_post_meta( $post_id, '_affistyle_deal_expiry', sanitize_text_field( wp_unslash( $_POST['_affistyle_deal_expiry'] ) ) );
		}
		if ( isset( $_POST['_affistyle_amazon_compliance'] ) ) {
			update_post_meta( $post_id, '_affistyle_amazon_compliance', '1' );
		} else {
			update_post_meta( $post_id, '_affistyle_amazon_compliance', '0' );
		}
		if ( isset( $_POST['affistyle_amazon_asin'] ) ) {
			update_post_meta( $post_id, '_affistyle_amazon_asin', sanitize_text_field( wp_unslash( $_POST['affistyle_amazon_asin'] ) ) );
		}

		// 7.1. Save Estimated Earnings Configuration.
		if ( isset( $_POST['affistyle_earning_type'] ) ) {
			$earning_type = sanitize_key( wp_unslash( $_POST['affistyle_earning_type'] ) );
			if ( ! in_array( $earning_type, array( 'none', 'commission', 'epc' ), true ) ) {
				$earning_type = 'none';
			}
			update_post_meta( $post_id, '_affistyle_earning_type', $earning_type );
		}
		if ( isset( $_POST['affistyle_commission_rate'] ) ) {
			$comm_rate = floatval( wp_unslash( $_POST['affistyle_commission_rate'] ) );
			$comm_rate = max( 0.0, min( 100.0, $comm_rate ) );
			update_post_meta( $post_id, '_affistyle_commission_rate', $comm_rate );
		}
		if ( isset( $_POST['affistyle_conversion_rate'] ) ) {
			$conv_rate = floatval( wp_unslash( $_POST['affistyle_conversion_rate'] ) );
			$conv_rate = max( 0.0, min( 100.0, $conv_rate ) );
			update_post_meta( $post_id, '_affistyle_conversion_rate', $conv_rate );
		}
		if ( isset( $_POST['affistyle_estimated_epc'] ) ) {
			$est_epc = floatval( wp_unslash( $_POST['affistyle_estimated_epc'] ) );
			$est_epc = max( 0.0, $est_epc );
			update_post_meta( $post_id, '_affistyle_estimated_epc', $est_epc );
		}

		// 8. Save Auto-Monetization Keywords (Unlimited).
		if ( isset( $_POST['affistyle_keywords'] ) ) {
			// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Raw input is unslashed and sanitized item-by-item below.
			$raw_input    = wp_unslash( $_POST['affistyle_keywords'] );
			$raw_keywords = array();

			if ( is_array( $raw_input ) ) {
				$raw_keywords = $raw_input;
			} elseif ( is_string( $raw_input ) ) {
				$split_keywords = preg_split( '/[\r\n,]+/', $raw_input );
				if ( is_array( $split_keywords ) ) {
					$raw_keywords = $split_keywords;
				}
			}

			$clean_keywords = array();
			foreach ( $raw_keywords as $raw_kw ) {
				$sanitized_kw = sanitize_text_field( $raw_kw );
				$trimmed_kw   = trim( $sanitized_kw );
				if ( '' !== $trimmed_kw && ! in_array( $trimmed_kw, $clean_keywords, true ) ) {
					$clean_keywords[] = $trimmed_kw;
				}
			}

			update_post_meta( $post_id, '_affistyle_keywords', $clean_keywords );

			// Invalidate compiled keyword index cache.
			if ( class_exists( 'AffiStyle_Auto_Linker' ) ) {
				AffiStyle_Auto_Linker::invalidate_cache();
			}
		}

		// 9. Save Link Attributes, Secondary URL & Compliance Toggles.
		$new_tab = isset( $_POST['affistyle_new_tab'] ) ? '1' : '0';
		update_post_meta( $post_id, '_affistyle_new_tab', $new_tab );
		update_post_meta( $post_id, '_affistyle_link_target', '1' === $new_tab ? '_blank' : '_self' );

		$nofollow = isset( $_POST['affistyle_nofollow'] ) ? '1' : '0';
		update_post_meta( $post_id, '_affistyle_nofollow', $nofollow );

		$sponsored = isset( $_POST['affistyle_sponsored'] ) ? '1' : '0';
		update_post_meta( $post_id, '_affistyle_sponsored', $sponsored );

		delete_post_meta( $post_id, '_affistyle_url_secondary' );
		delete_post_meta( $post_id, '_affistyle_button_secondary' );

		$show_price = isset( $_POST['affistyle_show_price'] ) ? '1' : '0';
		update_post_meta( $post_id, '_affistyle_show_price', $show_price );
	}

	/**
	 * AJAX handler to scrape and fetch product data from an Amazon URL.
	 */
	public function ajax_fetch_amazon_product() {
		check_ajax_referer( 'affistyle_fetch_product_nonce', 'nonce' );

		if ( ! current_user_can( 'edit_posts' ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'You do not have permission to perform this action.', 'affistyle' ),
				)
			);
		}

		$url = isset( $_POST['url'] ) ? esc_url_raw( wp_unslash( $_POST['url'] ) ) : '';
		if ( empty( $url ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'Please enter an Amazon product URL.', 'affistyle' ),
				)
			);
		}

		if ( ! class_exists( 'AffiStyle_Scraper' ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'Scraper component is not available.', 'affistyle' ),
				)
			);
		}

		$result = AffiStyle_Scraper::fetch_amazon_product( $url );

		if ( is_wp_error( $result ) ) {
			wp_send_json_error(
				array(
					'message' => $result->get_error_message(),
				)
			);
		}

		wp_send_json_success( $result );
	}

	/**
	 * Register custom columns for the AffiStyle admin list table.
	 *
	 * @param array $columns Existing columns.
	 * @return array Modified columns.
	 */
	public function register_admin_columns( $columns ) {
		$new_columns = array();
		if ( isset( $columns['cb'] ) ) {
			$new_columns['cb'] = $columns['cb'];
		}
		$new_columns['affistyle_thumb']      = '<span class="dashicons dashicons-format-image" title="' . esc_attr__( 'Image', 'affistyle' ) . '"></span>';
		$new_columns['affistyle_card_title'] = __( 'Card Title & Details', 'affistyle' );
		$new_columns['affistyle_shortcode']  = __( 'Shortcode & Actions', 'affistyle' );
		if ( isset( $columns['date'] ) ) {
			$new_columns['date'] = $columns['date'];
		}
		return $new_columns;
	}

	/**
	 * Set the primary column for the AffiStyle admin list table.
	 *
	 * @param string $default_col Default primary column.
	 * @param string $screen      Current screen ID.
	 * @return string Primary column key.
	 */
	public function filter_primary_column( $default_col, $screen ) {
		if ( 'edit-affistyle_box' === $screen || 'edit-aff_box' === $screen ) {
			return 'affistyle_card_title';
		}
		return $default_col;
	}

	/**
	 * Render custom column content in the AffiStyle admin list table.
	 *
	 * @param string $column  Column key.
	 * @param int    $post_id Post ID.
	 */
	public function render_admin_columns( $column, $post_id ) {
		if ( 'affistyle_thumb' === $column ) {
			$image = get_post_meta( $post_id, '_affistyle_image_1', true );
			if ( empty( $image ) ) {
				$image = get_post_meta( $post_id, '_affistyle_image_url', true );
			}
			$edit_url = get_edit_post_link( $post_id );
			if ( ! empty( $image ) ) {
				echo '<a href="' . esc_url( $edit_url ) . '" class="affistyle-table-thumb-link" aria-label="' . esc_attr__( 'Edit Card', 'affistyle' ) . '"><img src="' . esc_url( $image ) . '" alt="" class="affistyle-table-thumb-img" /></a>';
			} else {
				echo '<a href="' . esc_url( $edit_url ) . '" class="affistyle-table-thumb-link affistyle-thumb-empty" aria-label="' . esc_attr__( 'Edit Card', 'affistyle' ) . '"><span class="dashicons dashicons-products" aria-hidden="true"></span></a>';
			}
			return;
		}

		if ( 'affistyle_card_title' === $column ) {
			$raw_title = get_the_title( $post_id );
			$title     = ! empty( $raw_title ) ? $raw_title : __( '(no title)', 'affistyle' );
			$edit_url  = get_edit_post_link( $post_id );

			echo '<div class="affistyle-list-title-wrap">';
			echo '<strong>';
			if ( current_user_can( 'edit_post', $post_id ) ) {
				echo '<a class="row-title" href="' . esc_url( $edit_url ) . '">' . esc_html( $title ) . '</a>';
			} else {
				echo '<span class="row-title">' . esc_html( $title ) . '</span>';
			}
			echo '</strong>';

			$style       = get_post_meta( $post_id, '_affistyle_template_style', true );
			$style_label = ! empty( $style ) ? strtoupper( str_replace( array( 'style-', '-' ), array( 'Style ', ' ' ), $style ) ) : 'STYLE 1';
			$subtitle    = get_post_meta( $post_id, '_affistyle_subtitle', true );
			$price       = get_post_meta( $post_id, '_affistyle_price_1', true );
			if ( empty( $price ) ) {
				$price = get_post_meta( $post_id, '_affistyle_price', true );
			}

			echo '<div class="affistyle-title-meta-line">';
			echo '<span class="affistyle-pill-badge affistyle-badge-id">#' . absint( $post_id ) . '</span>';
			echo '<span class="affistyle-pill-badge affistyle-badge-style">' . esc_html( $style_label ) . '</span>';
			if ( ! empty( $price ) ) {
				echo '<span class="affistyle-pill-badge affistyle-badge-price">' . esc_html( $price ) . '</span>';
			}
			if ( ! empty( $subtitle ) ) {
				echo '<span class="affistyle-title-subtitle" title="' . esc_attr( $subtitle ) . '">' . esc_html( $subtitle ) . '</span>';
			}
			echo '</div>';
			echo '</div>';
			return;
		}

		if ( 'affistyle_shortcode' !== $column ) {
			return;
		}

		$shortcode = '[affistyle_box id="' . absint( $post_id ) . '"]';
		?>
		<div class="affistyle-column-actions">
			<code class="affistyle-shortcode-pill" data-shortcode="<?php echo esc_attr( $shortcode ); ?>" title="<?php esc_attr_e( 'Click to copy shortcode', 'affistyle' ); ?>"><?php echo esc_html( $shortcode ); ?></code>
			<button type="button" class="button button-small affistyle-copy-shortcode-btn" data-shortcode="<?php echo esc_attr( $shortcode ); ?>" aria-label="<?php esc_attr_e( 'Copy shortcode', 'affistyle' ); ?>" title="<?php esc_attr_e( 'Copy shortcode to clipboard', 'affistyle' ); ?>">
				<span class="dashicons dashicons-clipboard" aria-hidden="true"></span>
				<span class="affistyle-copy-text"><?php esc_html_e( 'Copy', 'affistyle' ); ?></span>
			</button>
			<button type="button" class="button button-small affistyle-open-preview-btn" data-box-id="<?php echo esc_attr( (string) $post_id ); ?>" aria-label="<?php esc_attr_e( 'Quick Preview Box', 'affistyle' ); ?>" title="<?php esc_attr_e( 'Quick preview in modal', 'affistyle' ); ?>">
				<span class="dashicons dashicons-visibility" aria-hidden="true"></span>
				<span><?php esc_html_e( 'Preview', 'affistyle' ); ?></span>
			</button>
		</div>
		<?php
	}

	/**
	 * Add Quick Preview link to post row actions.
	 *
	 * @param array   $actions Row actions.
	 * @param WP_Post $post    Current post object.
	 * @return array Modified row actions.
	 */
	public function add_quick_preview_row_action( $actions, $post ) {
		if ( ! $post || ! in_array( $post->post_type, array( 'affistyle_box', 'aff_box' ), true ) ) {
			return $actions;
		}

		$preview_link = sprintf(
			'<a href="#" class="affistyle-open-preview-row-action" data-box-id="%d">%s</a>',
			absint( $post->ID ),
			esc_html__( '👁 Quick Preview', 'affistyle' )
		);

		$new_actions = array();
		foreach ( $actions as $key => $action ) {
			if ( 'trash' === $key || 'delete' === $key ) {
				$new_actions['affistyle_preview'] = $preview_link;
			}
			$new_actions[ $key ] = $action;
		}
		if ( ! isset( $new_actions['affistyle_preview'] ) ) {
			$new_actions['affistyle_preview'] = $preview_link;
		}

		return $new_actions;
	}

	/**
	 * Render the Quick Preview modal HTML in admin footer on edit.php.
	 */
	public function render_admin_preview_modal() {
		$screen = get_current_screen();
		if ( ! $screen || ! in_array( $screen->post_type, array( 'affistyle_box', 'aff_box' ), true ) ) {
			return;
		}

		$view_file = AFFISTYLE_PATH . 'admin/views/admin-preview-modal.php';
		if ( file_exists( $view_file ) ) {
			include $view_file;
		}
	}

	/**
	 * Handle AJAX request for box preview modal.
	 */
	public function ajax_preview_box() {
		check_ajax_referer( 'affistyle_preview_nonce', 'nonce' );

		if ( ! current_user_can( 'edit_posts' ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'You do not have permission to preview boxes.', 'affistyle' ),
				)
			);
		}

		$box_id = isset( $_POST['box_id'] ) ? absint( $_POST['box_id'] ) : 0;
		if ( ! $box_id ) {
			wp_send_json_error(
				array(
					'message' => __( 'Invalid box ID.', 'affistyle' ),
				)
			);
		}

		if ( ! class_exists( 'AffiStyle_Database' ) || ! class_exists( 'AffiStyle_Shortcode' ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'Required plugin components are unavailable.', 'affistyle' ),
				)
			);
		}

		$data = AffiStyle_Database::get_box_data( $box_id );
		if ( ! $data ) {
			wp_send_json_error(
				array(
					'message' => __( 'Box not found.', 'affistyle' ),
				)
			);
		}

		$shortcode_handler = new AffiStyle_Shortcode();
		$html              = $shortcode_handler->generate_card_html( $data );

		$style_raw  = ! empty( $data['template_style'] ) ? $data['template_style'] : 'style-1';
		$style_name = sprintf(
			/* translators: %s: style number or slug */
			__( 'Style: %s', 'affistyle' ),
			strtoupper( str_replace( '-', ' ', $style_raw ) )
		);

		$title = get_the_title( $box_id );
		if ( empty( $title ) ) {
			/* translators: %d: Box ID */
			$title = sprintf( __( 'Box #%d', 'affistyle' ), $box_id );
		}

		wp_send_json_success(
			array(
				'id'        => $box_id,
				'title'     => $title,
				'style'     => $style_name,
				'shortcode' => '[affistyle_box id="' . $box_id . '"]',
				'edit_url'  => get_edit_post_link( $box_id, 'raw' ),
				'html'      => $html,
			)
		);
	}

	/**
	 * Handle AJAX request for builder side-by-side live card preview.
	 */
	public function ajax_live_render_preview() {
		check_ajax_referer( 'affistyle_preview_nonce', 'nonce' );

		if ( ! current_user_can( 'edit_posts' ) ) {
			wp_send_json_error(
				array(
					'message' => __( 'You do not have permission to preview boxes.', 'affistyle' ),
				)
			);
		}

		// phpcs:disable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		$template_style = isset( $_POST['template_style'] ) ? sanitize_html_class( wp_unslash( $_POST['template_style'] ) ) : 'style-1';
		if ( empty( $template_style ) ) {
			$template_style = 'style-1';
		}

		$post_id = isset( $_POST['box_id'] ) ? absint( $_POST['box_id'] ) : 0;

		$title_1     = isset( $_POST['title_1'] ) ? sanitize_text_field( wp_unslash( $_POST['title_1'] ) ) : '';
		$description = isset( $_POST['description'] ) ? wp_kses_post( wp_unslash( $_POST['description'] ) ) : '';
		$price_1     = isset( $_POST['price_1'] ) ? sanitize_text_field( wp_unslash( $_POST['price_1'] ) ) : '';
		$destination = isset( $_POST['destination'] ) ? esc_url_raw( wp_unslash( $_POST['destination'] ) ) : '';
		$button_text = isset( $_POST['button_text'] ) ? sanitize_text_field( wp_unslash( $_POST['button_text'] ) ) : '';
		$badge_text  = isset( $_POST['badge_text'] ) ? sanitize_text_field( wp_unslash( $_POST['badge_text'] ) ) : '';
		$image_1     = isset( $_POST['image_1'] ) ? esc_url_raw( wp_unslash( $_POST['image_1'] ) ) : '';
		$pros        = isset( $_POST['pros'] ) ? sanitize_textarea_field( wp_unslash( $_POST['pros'] ) ) : '';
		$cons        = isset( $_POST['cons'] ) ? sanitize_textarea_field( wp_unslash( $_POST['cons'] ) ) : '';
		$bg_color    = isset( $_POST['bg_color'] ) ? sanitize_hex_color( wp_unslash( $_POST['bg_color'] ) ) : '#ffffff';
		$btn_color   = isset( $_POST['btn_color'] ) ? sanitize_hex_color( wp_unslash( $_POST['btn_color'] ) ) : '#2563eb';

		$rating_score    = isset( $_POST['rating_score'] ) ? floatval( wp_unslash( $_POST['rating_score'] ) ) : 0.0;
		$review_count    = isset( $_POST['review_count'] ) ? sanitize_text_field( wp_unslash( $_POST['review_count'] ) ) : '';
		$raw_show_rating = isset( $_POST['show_rating'] ) ? sanitize_text_field( wp_unslash( $_POST['show_rating'] ) ) : '';
		$show_rating     = ( '1' === $raw_show_rating || 'true' === $raw_show_rating );

		$raw_show_price = isset( $_POST['show_price'] ) ? sanitize_text_field( wp_unslash( $_POST['show_price'] ) ) : '';
		$show_price     = ( '1' === $raw_show_price || 'true' === $raw_show_price );

		$raw_new_tab = isset( $_POST['new_tab'] ) ? sanitize_text_field( wp_unslash( $_POST['new_tab'] ) ) : '';
		$new_tab     = '' === $raw_new_tab ? true : ( '1' === $raw_new_tab || 'true' === $raw_new_tab );
		$live_target = $new_tab ? '_blank' : '_self';

		$raw_sponsored = isset( $_POST['sponsored'] ) ? sanitize_text_field( wp_unslash( $_POST['sponsored'] ) ) : '';
		$sponsored     = ( '1' === $raw_sponsored || 'true' === $raw_sponsored );

		$raw_show_disclosure = isset( $_POST['show_disclosure'] ) ? sanitize_text_field( wp_unslash( $_POST['show_disclosure'] ) ) : '';
		$show_disclosure     = '' === $raw_show_disclosure ? true : ( '1' === $raw_show_disclosure || 'true' === $raw_show_disclosure );
		$disclosure_text     = isset( $_POST['disclosure_text'] ) ? sanitize_textarea_field( wp_unslash( $_POST['disclosure_text'] ) ) : '';

		// Clean fallback values for live preview only where required for structure, strictly preserving user inputs.
		if ( empty( $title_1 ) ) {
			$title_1 = $post_id ? get_the_title( $post_id ) : '';
			if ( empty( $title_1 ) ) {
				$title_1 = __( 'Product Headline', 'affistyle' );
			}
		}

		if ( empty( $button_text ) ) {
			$button_text = __( 'Claim Deal', 'affistyle' );
		}

		if ( empty( $bg_color ) ) {
			$bg_color = '#ffffff';
		}
		if ( empty( $btn_color ) ) {
			$btn_color = '#2563eb';
		}

		if ( empty( $destination ) ) {
			$destination = '#';
		}

		// Optional Product 2 preview fields if provided.
		$title_2       = isset( $_POST['title_2'] ) ? sanitize_text_field( wp_unslash( $_POST['title_2'] ) ) : '';
		$price_2       = isset( $_POST['price_2'] ) ? sanitize_text_field( wp_unslash( $_POST['price_2'] ) ) : '';
		$image_2       = isset( $_POST['image_2'] ) ? esc_url_raw( wp_unslash( $_POST['image_2'] ) ) : '';
		$destination_2 = isset( $_POST['destination_2'] ) ? esc_url_raw( wp_unslash( $_POST['destination_2'] ) ) : '#';
		$button_text_2 = isset( $_POST['button_text_2'] ) ? sanitize_text_field( wp_unslash( $_POST['button_text_2'] ) ) : __( 'View Alternative', 'affistyle' );
		// phpcs:enable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

		$card_data = array(
			'id'              => $post_id,
			'template_style'  => $template_style,
			'title'           => $title_1,
			'title_1'         => $title_1,
			'description'     => $description,
			'price'           => $price_1,
			'price_1'         => $price_1,
			'show_price'      => $show_price,
			'destination'     => $destination,
			'button_text'     => $button_text,
			'badge_text'      => $badge_text,
			'image_url'       => $image_1,
			'image_1'         => $image_1,
			'pros'            => $pros,
			'cons'            => $cons,
			'bg_color'        => $bg_color,
			'btn_color'       => $btn_color,
			'rating_score'    => $rating_score,
			'review_count'    => $review_count,
			'show_rating'     => $show_rating,
			'show_disclosure' => $show_disclosure,
			'disclosure_text' => $disclosure_text,
			'sponsored'       => $sponsored ? '1' : '0',
			'new_tab'         => $new_tab ? '1' : '0',
			'is_preview'      => true,
		);

		if ( ! empty( $title_2 ) || ! empty( $price_2 ) || ! empty( $image_2 ) ) {
			$card_data['title_2']       = $title_2;
			$card_data['price_2']       = $price_2;
			$card_data['image_2']       = $image_2;
			$card_data['destination_2'] = $destination_2;
			$card_data['button_text_2'] = $button_text_2;
		}

		if ( ! class_exists( 'AffiStyle_Shortcode' ) ) {
			require_once AFFISTYLE_PATH . 'includes/class-affistyle-shortcode.php';
		}

		$shortcode_handler = new AffiStyle_Shortcode();

		$raw_enable_mr_1 = isset( $_POST['enable_multi_retailers_1'] ) ? sanitize_text_field( wp_unslash( $_POST['enable_multi_retailers_1'] ) ) : null;
		$enable_mr_1     = null !== $raw_enable_mr_1 ? ( '1' === $raw_enable_mr_1 || 'true' === $raw_enable_mr_1 ) : null;

		$raw_enable_mr_2 = isset( $_POST['enable_multi_retailers_2'] ) ? sanitize_text_field( wp_unslash( $_POST['enable_multi_retailers_2'] ) ) : null;
		$enable_mr_2     = null !== $raw_enable_mr_2 ? ( '1' === $raw_enable_mr_2 || 'true' === $raw_enable_mr_2 ) : null;

		// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Array values are validated inside retailer handler.
		$live_retailers_1 = isset( $_POST['multi_retailers_1'] ) && is_array( $_POST['multi_retailers_1'] ) ? (array) wp_unslash( $_POST['multi_retailers_1'] ) : null;
		// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
		$live_retailers_2 = isset( $_POST['multi_retailers_2'] ) && is_array( $_POST['multi_retailers_2'] ) ? (array) wp_unslash( $_POST['multi_retailers_2'] ) : null;

		$mr_enable_filter = function ( $enabled, $box_id, $product_index ) use ( $enable_mr_1, $enable_mr_2 ) {
			if ( 1 === (int) $product_index && null !== $enable_mr_1 ) {
				return $enable_mr_1;
			}
			if ( 2 === (int) $product_index && null !== $enable_mr_2 ) {
				return $enable_mr_2;
			}
			return $enabled;
		};

		$mr_raw_filter = function ( $raw_retailers, $box_id, $product_index ) use ( $live_retailers_1, $live_retailers_2 ) {
			if ( 1 === (int) $product_index && null !== $live_retailers_1 ) {
				return $live_retailers_1;
			}
			if ( 2 === (int) $product_index && null !== $live_retailers_2 ) {
				return $live_retailers_2;
			}
			return $raw_retailers;
		};

		add_filter( 'affistyle_pro_enable_multi_retailers', $mr_enable_filter, 999, 3 );
		add_filter( 'affistyle_pro_raw_multi_retailers', $mr_raw_filter, 999, 3 );

		$disclosure_filter = function ( $enabled ) use ( $show_disclosure ) {
			unset( $enabled );
			return $show_disclosure;
		};
		$text_filter       = function ( $text ) use ( $disclosure_text ) {
			if ( ! empty( $disclosure_text ) ) {
				return $disclosure_text;
			}
			return $text;
		};

		add_filter( 'affistyle_is_ftc_enabled', $disclosure_filter, 999 );
		add_filter( 'affistyle_ftc_disclosure_text', $text_filter, 999 );

		$target_filter = function ( $default_target ) use ( $live_target ) {
			unset( $default_target );
			return $live_target;
		};
		add_filter( 'affistyle_link_target', $target_filter, 999 );

		$card_html = $shortcode_handler->generate_card_html( $card_data );

		remove_filter( 'affistyle_link_target', $target_filter, 999 );
		remove_filter( 'affistyle_is_ftc_enabled', $disclosure_filter, 999 );
		remove_filter( 'affistyle_ftc_disclosure_text', $text_filter, 999 );
		remove_filter( 'affistyle_pro_enable_multi_retailers', $mr_enable_filter, 999 );
		remove_filter( 'affistyle_pro_raw_multi_retailers', $mr_raw_filter, 999 );

		$available_styles = function_exists( 'affistyle_get_available_styles' ) ? affistyle_get_available_styles() : array();
		$style_label      = isset( $available_styles[ $template_style ] ) ? $available_styles[ $template_style ] : strtoupper( str_replace( '-', ' ', $template_style ) );
		if ( is_array( $style_label ) && isset( $style_label['label'] ) ) {
			$style_label = $style_label['label'];
		}

		wp_send_json_success(
			array(
				'html'           => $card_html,
				'template_style' => $template_style,
				'style_label'    => $style_label,
			)
		);
	}
}

new AffiStyle_CPT();