<?php
/**
 * Campaigns Manager
 *
 * Handles the custom post type for campaigns, frontend popup display,
 * and all campaign-related functionality.
 *
 * @since      1.0.0
 * @package    Acumenpopup
 * @subpackage Acumenpopup/includes/Dashboard
 */

namespace Acumenpopup\Dashboard;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Campaigns
 *
 * Manages campaigns CPT and popup functionality (Singleton).
 *
 * @since   1.0.0
 * @package Acumenpopup
 */
class Campaigns {

	/**
	 * The single instance of the class.
	 *
	 * @since  1.0.0
	 * @access private
	 * @var    Campaigns|null
	 */
	private static $instance = null;

	/**
	 * Post type name.
	 *
	 * @since  1.0.0
	 * @access private
	 * @var    string
	 */
	private $post_type = 'acumen_popup_cmpgn';

	/**
	 * Private constructor to prevent direct instantiation.
	 *
	 * @since  1.0.0
	 * @access private
	 */
	private function __construct() {
		$this->init_hooks();
	}

	/**
	 * Get the single instance of the Campaigns class.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return Campaigns The single instance.
	 */
	public static function get_instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Initialize WordPress hooks.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @return void
	 */
	private function init_hooks() {
		// Post type and meta registration.
		add_action( 'init', array( $this, 'register_post_type' ) );
		add_action( 'init', array( $this, 'register_post_meta' ) );

		// Block editor restrictions.
		add_action( 'enqueue_block_editor_assets', array( $this, 'restrict_blocks_to_post_type' ) );

		// Frontend popup display.
		add_action( 'wp_footer', array( $this, 'render_popups' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_all_frontend_assets' ) );
		add_action( 'init', array( $this, 'handle_popup_cookies' ) );

		// Admin AJAX actions.
		add_action( 'wp_ajax_acumenpopup_update_popup_status', array( $this, 'ajax_update_status' ) );
		add_action( 'wp_ajax_acumenpopup_duplicate_campaign', array( $this, 'ajax_duplicate_campaign' ) );

		// Admin list table customization.
		add_filter( 'manage_' . $this->post_type . '_posts_columns', array( $this, 'add_custom_columns' ) );
		add_action( 'manage_' . $this->post_type . '_posts_custom_column', array( $this, 'render_custom_columns' ), 10, 2 );
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_assets' ) );
	}

	/**
	 * Register the campaigns custom post type.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function register_post_type() {
		$labels = array(
			'name'               => esc_html__( 'Campaigns', 'acumen-popup' ),
			'singular_name'      => esc_html__( 'Campaign', 'acumen-popup' ),
			'menu_name'          => esc_html__( 'Campaigns', 'acumen-popup' ),
			'name_admin_bar'     => esc_html__( 'Campaign', 'acumen-popup' ),
			'add_new'            => esc_html__( 'Create Campaign', 'acumen-popup' ),
			'add_new_item'       => esc_html__( 'Create New Campaign', 'acumen-popup' ),
			'new_item'           => esc_html__( 'New Campaign', 'acumen-popup' ),
			'edit_item'          => esc_html__( 'Edit Campaign', 'acumen-popup' ),
			'view_item'          => esc_html__( 'View Campaign', 'acumen-popup' ),
			'all_items'          => esc_html__( 'All Campaigns', 'acumen-popup' ),
			'search_items'       => esc_html__( 'Search Campaigns', 'acumen-popup' ),
			'parent_item_colon'  => esc_html__( 'Parent Campaigns:', 'acumen-popup' ),
			'not_found'          => esc_html__( 'No campaigns found.', 'acumen-popup' ),
			'not_found_in_trash' => esc_html__( 'No campaigns found in Trash.', 'acumen-popup' ),
		);

		$args = array(
			'labels'             => $labels,
			'description'        => esc_html__( 'Popup Campaigns for your website', 'acumen-popup' ),
			'public'             => false,
			'publicly_queryable' => false,
			'show_ui'            => true,
			'show_in_menu'       => false,
			'query_var'          => false,
			'rewrite'            => false,
			'capability_type'    => 'post',
			'has_archive'        => false,
			'hierarchical'       => false,
			'menu_position'      => 20,
			'menu_icon'          => 'dashicons-megaphone',
			'show_in_rest'       => true,
			'template'           => array(
				array( 'acumenpopup/popup-builder' ),
			),
			'template_lock'      => 'insert',
			'supports'           => array( 'title', 'editor', 'author', 'custom-fields' ),
		);

		register_post_type( $this->post_type, $args );
	}

	/**
	 * Register post meta fields for REST API access.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function register_post_meta() {
		$meta_fields = array(
			'acumenpopup_popup_id'              => array(
				'type'    => 'string',
				'default' => '',
			),
			'acumenpopup_popup_trigger'         => array(
				'type'    => 'string',
				'default' => 'onload',
			),
			'acumenpopup_popup_enable_disable'  => array(
				'type'    => 'boolean',
				'default' => true,
			),
			'acumenpopup_popup_infinite_repeat' => array(
				'type'    => 'boolean',
				'default' => true,
			),
			'acumenpopup_popup_repeat_num'      => array(
				'type'    => 'number',
				'default' => 1,
			),
		);

		foreach ( $meta_fields as $key => $config ) {
			register_post_meta(
				$this->post_type,
				$key,
				array(
					'show_in_rest'  => true,
					'single'        => true,
					'type'          => $config['type'],
					'default'       => $config['default'],
					'auth_callback' => function () {
						return current_user_can( 'edit_posts' );
					},
				)
			);
		}
	}

	/**
	 * Restrict Acumenpopup blocks to only appear in campaign post type.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function restrict_blocks_to_post_type() {
		$screen = get_current_screen();

		if ( ! $screen || ! method_exists( $screen, 'is_block_editor' ) || ! $screen->is_block_editor() ) {
			return;
		}

		// Only restrict blocks on non-campaign post types.
		if ( $this->post_type === $screen->post_type ) {
			return;
		}

		$restricted_blocks = array(
			'acumenpopup/popup-builder',
			'acumenpopup/container',
			'acumenpopup/advanced-image',
			'acumenpopup/paragraph',
			'acumenpopup/button',
			'acumenpopup/icon',
			'acumenpopup/form',
			'acumenpopup/text',
			'acumenpopup/email',
			'acumenpopup/message',
		);

		$script = sprintf(
			'wp.domReady(function() {
				var restrictedBlocks = %s;
				if (wp.blocks && wp.blocks.unregisterBlockType) {
					restrictedBlocks.forEach(function(blockName) {
						if (wp.blocks.getBlockType(blockName)) {
							wp.blocks.unregisterBlockType(blockName);
						}
					});
				}
			});',
			wp_json_encode( $restricted_blocks )
		);

		wp_add_inline_script( 'wp-blocks', $script );
	}

	/**
	 * Handle popup cookie logic for repeat limiting.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function handle_popup_cookies() {
		if ( is_admin() ) {
			return;
		}

		$popups = $this->get_published_popups();

		if ( empty( $popups ) ) {
			return;
		}

		foreach ( $popups as $post_id ) {
			$this->process_popup_cookie( $post_id );
		}
	}

	/**
	 * Process cookie for a single popup.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param int $post_id The popup post ID.
	 *
	 * @return void
	 */
	private function process_popup_cookie( $post_id ) {
		$popup_id        = get_post_meta( $post_id, 'acumenpopup_popup_id', true );
		$repeat_num      = get_post_meta( $post_id, 'acumenpopup_popup_repeat_num', true );
		$infinite_repeat = get_post_meta( $post_id, 'acumenpopup_popup_infinite_repeat', true );

		if ( empty( $popup_id ) ) {
			return;
		}

		$repeat_num = $infinite_repeat ? -1 : absint( $repeat_num );
		$cookie_name = 'acumenpopup_' . sanitize_key( $popup_id );

		// Get current cookie value.
		$cookie_value = 0;
		if ( isset( $_COOKIE[ $cookie_name ] ) ) {
			$cookie_value = absint( sanitize_text_field( wp_unslash( $_COOKIE[ $cookie_name ] ) ) );
		}

		// Increment cookie if within repeat limit.
		if ( -1 !== $repeat_num && $cookie_value < $repeat_num ) {
			$cookie_path = defined( 'COOKIEPATH' ) && COOKIEPATH ? COOKIEPATH : '/';
			setcookie( $cookie_name, $cookie_value + 1, time() + DAY_IN_SECONDS, $cookie_path );
			$_COOKIE[ $cookie_name ] = $cookie_value + 1;
		}
	}

	/**
	 * Render popups on the frontend.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function render_popups() {
		if ( is_admin() ) {
			return;
		}

		$popups = $this->get_published_popups( false );

		if ( empty( $popups ) ) {
			return;
		}

		foreach ( $popups as $post ) {
			$this->render_single_popup( $post );
		}
	}

	/**
	 * Properly enqueue all frontend assets and styles via wp_enqueue_scripts hook.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function enqueue_all_frontend_assets() {
		if ( is_admin() ) {
			return;
		}

		$popups = $this->get_published_popups( false );

		if ( empty( $popups ) ) {
			return;
		}

		$should_enqueue_core = false;

		foreach ( $popups as $post ) {
			$meta = $this->get_popup_meta( $post->ID );

			// Skip if disabled or cookie limits reached.
			if ( ! $meta['enabled'] || ! $this->should_show_popup( $meta ) ) {
				continue;
			}

			$should_enqueue_core = true;

			// Process and enqueue block styles.
			$blocks = parse_blocks( $post->post_content );
			$styles = $this->collect_block_styles( $blocks );

			if ( ! empty( $styles ) ) {
				$this->add_inline_styles( $styles );
			}
		}

		if ( $should_enqueue_core ) {
			$this->enqueue_frontend_assets();
		}
	}

	/**
	 * Render a single popup.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param \WP_Post $post The popup post object.
	 *
	 * @return void
	 */
	private function render_single_popup( $post ) {
		$post_id = $post->ID;
		$meta    = $this->get_popup_meta( $post_id );

		// Skip if disabled.
		if ( ! $meta['enabled'] ) {
			return;
		}

		// Check cookie limits.
		if ( ! $this->should_show_popup( $meta ) ) {
			return;
		}

		// Output the popup content.
		// Note: apply_filters is needed for blocks to render properly.
		echo wp_kses_post( apply_filters( 'the_content', $post->post_content ) ); 
	}

	/**
	 * Get popup meta data.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param int $post_id The popup post ID.
	 *
	 * @return array Popup meta data.
	 */
	private function get_popup_meta( $post_id ) {
		$popup_id        = get_post_meta( $post_id, 'acumenpopup_popup_id', true );
		$enabled         = get_post_meta( $post_id, 'acumenpopup_popup_enable_disable', true );
		$infinite_repeat = get_post_meta( $post_id, 'acumenpopup_popup_infinite_repeat', true );
		$repeat_num      = get_post_meta( $post_id, 'acumenpopup_popup_repeat_num', true );

		return array(
			'popup_id'        => sanitize_key( $popup_id ),
			'enabled'         => filter_var( $enabled, FILTER_VALIDATE_BOOLEAN ),
			'infinite_repeat' => filter_var( $infinite_repeat, FILTER_VALIDATE_BOOLEAN ),
			'repeat_num'      => $infinite_repeat ? -1 : absint( $repeat_num ),
		);
	}

	/**
	 * Check if popup should be shown based on cookie limits.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param array $meta Popup meta data.
	 *
	 * @return bool True if popup should be shown.
	 */
	private function should_show_popup( $meta ) {
		$cookie_name  = 'acumenpopup_' . $meta['popup_id'];
		$cookie_value = 0;

		if ( isset( $_COOKIE[ $cookie_name ] ) ) {
			$cookie_value = absint( sanitize_text_field( wp_unslash( $_COOKIE[ $cookie_name ] ) ) );
		}

		return -1 === $meta['repeat_num'] || $cookie_value < $meta['repeat_num'];
	}

	/**
	 * Enqueue frontend assets for popups.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @return void
	 */
	private function enqueue_frontend_assets() {
		wp_enqueue_style(
			'acumenpopup-animations-css',
			trailingslashit( ACUMENPOPUP_URL_FILE ) . 'assets/css/popup-animations.css',
			array(),
			ACUMENPOPUP_VERSION
		);

		wp_enqueue_script(
			'acumenpopup-frontend-js',
			trailingslashit( ACUMENPOPUP_URL_FILE ) . 'assets/js/popup-frontend.js',
			array(),
			ACUMENPOPUP_VERSION,
			true
		);

		wp_enqueue_script(
			'acumenpopup-triggers-js',
			trailingslashit( ACUMENPOPUP_URL_FILE ) . 'assets/js/popup-triggers.js',
			array(),
			ACUMENPOPUP_VERSION,
			true
		);
	}

	/**
	 * Collect block styles recursively.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param array $blocks Array of parsed blocks.
	 *
	 * @return string Combined CSS styles.
	 */
	private function collect_block_styles( $blocks ) {
		$styles = '';

		if ( empty( $blocks ) || ! is_array( $blocks ) ) {
			return $styles;
		}

		foreach ( $blocks as $block ) {
			// Collect blockStyle attribute.
			if ( isset( $block['attrs']['blockStyle'] ) && ! empty( $block['attrs']['blockStyle'] ) ) {
				// Sanitize the CSS string to strip any HTML tags or scripts before output.
				$styles .= $this->sanitize_custom_css( $block['attrs']['blockStyle'] );
			}

			// Process inner blocks.
			if ( ! empty( $block['innerBlocks'] ) ) {
				$styles .= $this->collect_block_styles( $block['innerBlocks'] );
			}
		}

		return $styles;
	}

	/**
	 * Securely sanitize custom CSS by stripping HTML and dangerous vectors.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param string $css Unsanitized CSS string.
	 *
	 * @return string Sanitized CSS string.
	 */
	private function sanitize_custom_css( $css ) {
		// Validate UTF-8 encoding
		$css = wp_check_invalid_utf8( $css );

		if ( empty( $css ) ) {
			return '';
		}

		// Normalize whitespace to prevent obfuscation tricks
		$css = preg_replace( '/\s+/', ' ', $css );

		// Remove CSS comments (can hide payloads: /* expression */background:url() */)
		$css = preg_replace( '!/\*.*?\*/!s', '', $css );

		// Remove backslash escapes used to bypass keyword filters (e.g. \65 xpression)
		$css = preg_replace( '/\\\\[0-9a-fA-F]{0,6}\s?/', '', $css );

		// Block dangerous CSS functions and protocols
		// Covers: expression(), url(), javascript:, vbscript:, data:, behavior
		if ( preg_match(
			'/expression\s*\(
			| url\s*\(
			| javascript\s*:
			| vbscript\s*:
			| data\s*:
			| @import
			| behavior\s*:
			| -moz-binding\s*:
			| content\s*:/ix',
			$css
		) ) {
			return '';
		}

		// Block HTML tags that could escape the <style> context
		if ( preg_match( '/<\s*\/?\s*(script|style|link|meta|object|embed|iframe)/i', $css ) ) {
			return '';
		}

		// Trim and return
		return trim( $css );
	}

	/**
	 * Add inline styles for popups.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param string $styles CSS styles to add.
	 *
	 * @return void
	 */
	private function add_inline_styles( $styles ) {
		if ( empty( $styles ) ) {
			return;
		}

		$handle = 'acumenpopup-campaign-style-' . wp_rand( 100, 10000 );
		wp_register_style( $handle, false, array(), ACUMENPOPUP_VERSION );
		wp_enqueue_style( $handle );
		wp_add_inline_style( $handle, $styles );
	}

	/**
	 * Get published popup campaigns.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param bool $ids_only Whether to return only IDs.
	 *
	 * @return array Array of popup posts or IDs.
	 */
	private function get_published_popups( $ids_only = true ) {
		$args = array(
			'post_type'      => $this->post_type,
			'post_status'    => 'publish',
			'posts_per_page' => -1,
		);

		if ( $ids_only ) {
			$args['fields'] = 'ids';
		}

		return get_posts( $args );
	}

	/**
	 * AJAX handler for updating popup status.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function ajax_update_status() {
		// Verify nonce.
		$nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : '';

		if ( ! wp_verify_nonce( $nonce, 'acumenpopup-nonce' ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Invalid nonce', 'acumen-popup' ) ),
				403
			);
		}

		// Check capabilities.
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Unauthorized access!', 'acumen-popup' ) ),
				403
			);
		}

		// Validate post ID.
		$post_id = isset( $_POST['post_id'] ) ? absint( $_POST['post_id'] ) : 0;

		if ( empty( $post_id ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Post ID is missing!', 'acumen-popup' ) ),
				400
			);
		}

		// Verify post exists and is correct type.
		$post = get_post( $post_id );

		if ( ! $post || $this->post_type !== $post->post_type ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Invalid post', 'acumen-popup' ) ),
				400
			);
		}

		// Toggle status.
		$current_status = get_post_meta( $post_id, 'acumenpopup_popup_enable_disable', true );
		$current_status = filter_var( $current_status, FILTER_VALIDATE_BOOLEAN );
		$new_status     = ! $current_status;

		update_post_meta( $post_id, 'acumenpopup_popup_enable_disable', $new_status );

		wp_send_json_success(
			array(
				'message'   => esc_html__( 'Campaign status updated!', 'acumen-popup' ),
				'new_value' => $new_status,
			)
		);
	}

	/**
	 * AJAX handler for duplicating campaigns.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function ajax_duplicate_campaign() {
		// Verify nonce.
		$nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : '';

		if ( ! wp_verify_nonce( $nonce, 'acumenpopup-nonce' ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Invalid nonce', 'acumen-popup' ) ),
				403
			);
		}

		// Check capabilities.
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Unauthorized access!', 'acumen-popup' ) ),
				403
			);
		}

		// Validate post ID.
		$post_id = isset( $_POST['post_id'] ) ? absint( $_POST['post_id'] ) : 0;

		if ( empty( $post_id ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Post ID is missing!', 'acumen-popup' ) ),
				400
			);
		}

		// Get original post.
		$original_post = get_post( $post_id );

		if ( ! $original_post || $this->post_type !== $original_post->post_type ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Invalid post', 'acumen-popup' ) ),
				400
			);
		}

		// Create duplicate post.
		$new_post_id = wp_insert_post(
			array(
				'post_title'   => $original_post->post_title . ' (Copy)',
				'post_content' => $original_post->post_content,
				'post_status'  => 'publish',
				'post_type'    => $this->post_type,
				'post_author'  => get_current_user_id(),
			)
		);

		if ( is_wp_error( $new_post_id ) ) {
			wp_send_json_error(
				array( 'message' => esc_html__( 'Failed to duplicate campaign', 'acumen-popup' ) ),
				500
			);
		}

		// Copy post meta.
		$post_meta = get_post_meta( $post_id );

		foreach ( $post_meta as $key => $values ) {
			foreach ( $values as $value ) {
				add_post_meta( $new_post_id, $key, maybe_unserialize( $value ) );
			}
		}

		// Generate new unique popup ID.
		$new_popup_id = 'popup-' . $new_post_id . '-' . time();
		update_post_meta( $new_post_id, 'acumenpopup_popup_id', $new_popup_id );

		// Disable the duplicated campaign by default.
		update_post_meta( $new_post_id, 'acumenpopup_popup_enable_disable', false );

		wp_send_json_success(
			array(
				'message'     => esc_html__( 'Campaign duplicated successfully!', 'acumen-popup' ),
				'new_post_id' => $new_post_id,
			)
		);
	}

	/**
	 * Add custom columns to the campaigns list table.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @param array $columns Existing columns.
	 *
	 * @return array Modified columns.
	 */
	public function add_custom_columns( $columns ) {
		// Store and remove date column.
		$date = isset( $columns['date'] ) ? $columns['date'] : '';
		unset( $columns['date'] );

		// Add custom columns.
		$columns['status']  = esc_html__( 'Status', 'acumen-popup' );
		$columns['stats']   = esc_html__( 'Stats', 'acumen-popup' );
		$columns['actions'] = esc_html__( 'Actions', 'acumen-popup' );

		// Re-add date at the end.
		if ( $date ) {
			$columns['date'] = $date;
		}

		return $columns;
	}

	/**
	 * Render custom column content.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @param string $column  Column name.
	 * @param int    $post_id Post ID.
	 *
	 * @return void
	 */
	public function render_custom_columns( $column, $post_id ) {
		switch ( $column ) {
			case 'status':
				$this->render_status_column( $post_id );
				break;

			case 'stats':
				$this->render_stats_column( $post_id );
				break;

			case 'actions':
				$this->render_actions_column( $post_id );
				break;
		}
	}

	/**
	 * Render the status toggle column.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return void
	 */
	private function render_status_column( $post_id ) {
		$status  = get_post_meta( $post_id, 'acumenpopup_popup_enable_disable', true );
		$status  = filter_var( $status, FILTER_VALIDATE_BOOLEAN );
		?>
		<label class="acumenpopup-toggle-switch">
			<input 
				type="checkbox" 
				class="acumenpopup-status-toggle" 
				data-post-id="<?php echo esc_attr( $post_id ); ?>"
				<?php checked( $status, true ); ?>
			>
			<span class="acumenpopup-toggle-slider"></span>
		</label>
		<?php
	}

	/**
	 * Render the stats column.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return void
	 */
	private function render_stats_column( $post_id ) {
		$views       = absint( get_post_meta( $post_id, 'acumenpopup_views', true ) );
		$conversions = absint( get_post_meta( $post_id, 'acumenpopup_conversions', true ) );
		$cr          = $views > 0 ? round( ( $conversions / $views ) * 100, 2 ) : 0;
		?>
		<div class="acumenpopup-stats">
			<div><strong><?php esc_html_e( 'Views:', 'acumen-popup' ); ?></strong> <?php echo esc_html( $views ); ?></div>
			<div><strong><?php esc_html_e( 'Conversions:', 'acumen-popup' ); ?></strong> <?php echo esc_html( $conversions ); ?></div>
			<div><strong><?php esc_html_e( 'CR:', 'acumen-popup' ); ?></strong> <?php echo esc_html( $cr ); ?>%</div>
		</div>
		<?php
	}

	/**
	 * Render the actions column.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @param int $post_id Post ID.
	 *
	 * @return void
	 */
	private function render_actions_column( $post_id ) {
		$edit_url   = get_edit_post_link( $post_id );
		$view_url   = get_permalink( $post_id );
		$delete_url = get_delete_post_link( $post_id );
		?>
		<div class="acumenpopup-actions">
			<a href="<?php echo esc_url( $edit_url ); ?>" class="acumenpopup-action-btn" title="<?php esc_attr_e( 'Edit', 'acumen-popup' ); ?>">
				<span class="dashicons dashicons-edit"></span>
			</a>
			<a href="<?php echo esc_url( $view_url ); ?>" class="acumenpopup-action-btn" title="<?php esc_attr_e( 'View', 'acumen-popup' ); ?>" target="_blank">
				<span class="dashicons dashicons-visibility"></span>
			</a>
			<button class="acumenpopup-action-btn acumenpopup-duplicate-btn" data-post-id="<?php echo esc_attr( $post_id ); ?>" title="<?php esc_attr_e( 'Duplicate', 'acumen-popup' ); ?>">
				<span class="dashicons dashicons-admin-page"></span>
			</button>
			<a href="<?php echo esc_url( $delete_url ); ?>" class="acumenpopup-action-btn acumenpopup-delete-btn" title="<?php esc_attr_e( 'Delete', 'acumen-popup' ); ?>" onclick="return confirm('<?php esc_attr_e( 'Are you sure you want to delete this campaign?', 'acumen-popup' ); ?>')">
				<span class="dashicons dashicons-trash"></span>
			</a>
		</div>
		<?php
	}

	/**
	 * Enqueue admin assets for the campaigns list page.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @param string $hook Current admin page hook.
	 *
	 * @return void
	 */
	public function enqueue_admin_assets( $hook ) {
		// Only load on campaigns list page.
		if ( 'edit.php' !== $hook ) {
			return;
		}

		// Check current screen post type.
		$screen = get_current_screen();

		if ( ! $screen || $this->post_type !== $screen->post_type ) {
			return;
		}

		// Enqueue admin CSS.
		wp_enqueue_style(
			'acumenpopup-admin-list',
			trailingslashit( ACUMENPOPUP_URL_FILE ) . 'assets/css/admin-list.css',
			array(),
			ACUMENPOPUP_VERSION
		);

		// Enqueue admin JS.
		wp_enqueue_script(
			'acumenpopup-admin-list',
			trailingslashit( ACUMENPOPUP_URL_FILE ) . 'assets/js/admin-list.js',
			array( 'jquery' ),
			ACUMENPOPUP_VERSION,
			true
		);

		// Localize script.
		wp_localize_script(
			'acumenpopup-admin-list',
			'acumenpopupAdmin',
			array(
				'ajaxurl' => esc_url( admin_url( 'admin-ajax.php' ) ),
				'nonce'   => wp_create_nonce( 'acumenpopup-nonce' ),
				'strings' => array(
					'confirmDelete' => esc_html__( 'Are you sure you want to delete this campaign?', 'acumen-popup' ),
					'statusUpdated' => esc_html__( 'Status updated successfully!', 'acumen-popup' ),
					'error'         => esc_html__( 'Something went wrong!', 'acumen-popup' ),
				),
			)
		);
	}

	/**
	 * Get post type name.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return string The post type name.
	 */
	public function get_post_type() {
		return $this->post_type;
	}

	/**
	 * Prevent cloning of the instance.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function __clone() {
		_doing_it_wrong(
			__FUNCTION__,
			esc_html__( 'Cloning is forbidden.', 'acumen-popup' ),
			'1.0.0'
		);
	}

	/**
	 * Prevent unserializing of the instance.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function __wakeup() {
		_doing_it_wrong(
			__FUNCTION__,
			esc_html__( 'Unserializing is forbidden.', 'acumen-popup' ),
			'1.0.0'
		);
	}
}