<?php
/**
 * Beaver Builder Importer
 *
 * @package CartFlows
 * @since 1.1.1
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
if ( ! class_exists( 'CartFlows_Importer_Beaver_Builder' ) ) :

	/**
	 * CartFlows Import Beaver Builder
	 *
	 * @since 1.1.1
	 */
	class CartFlows_Importer_Beaver_Builder {

		/**
		 * Instance
		 *
		 * @since 1.1.1
		 * @access private
		 * @var object Class object.
		 */
		private static $instance;

		/**
		 * Initiator
		 *
		 * @since 1.1.1
		 * @return object initialized object of class.
		 */
		public static function get_instance() {

			if ( ! isset( self::$instance ) ) {
				self::$instance = new self();
			}
			return self::$instance;
		}

		/**
		 * Constructor
		 *
		 * @since 1.1.1
		 */
		public function __construct() {
		}

		/**
		 * Update post meta.
		 *
		 * @param  integer $post_id Post ID.
		 * @return void
		 */
		public function import_single_post( $post_id = 0 ) {

			$data = get_post_meta( $post_id, '_fl_builder_data', true );
			if ( ! empty( $data ) ) {

				$data = $this->get_import_data( $data );

				// Update page builder data.
				update_post_meta( $post_id, '_fl_builder_data', $data );
				update_post_meta( $post_id, '_fl_builder_draft', $data );

				// Clear all cache.
				FLBuilderModel::delete_asset_cache_for_all_posts();
			} else {
				wcf()->logger->import_log( '(✕) Not have "Beaver Builder" Data. Post meta _fl_builder_data is empty!' );
			}
		}

		/**
		 * Update post meta.
		 *
		 * @param  array $data    Page builder data.
		 * @return mixed
		 */
		public function get_import_data( $data ) {

			if ( empty( $data ) ) {
				return array();
			}

			foreach ( $data as $key => $el ) {

				// Import 'row' images.
				if ( 'row' === $el->type ) {
					$data[ $key ]->settings = self::import_row_images( $el->settings );
				}

				// Import 'module' images.
				if ( 'module' === $el->type ) {
					$data[ $key ]->settings = self::import_module_images( $el->settings );
				}

				// Import 'column' images.
				if ( 'column' === $el->type ) {
					$data[ $key ]->settings = self::import_column_images( $el->settings );
				}
			}

			return $data;
		}

		/**
		 * Import Module Images.
		 *
		 * @param  object $settings Module settings object.
		 * @return object
		 */
		public static function import_module_images( $settings ) {

			/**
			 * 1) Set photos.
			 */
			$settings = self::import_photo( $settings );

			/**
			 * 2) Set `$settings->data` for Only type 'image-icon'
			 *
			 * @todo Remove the condition `'image-icon' === $settings->type` if `$settings->data` is used only for the Image Icon.
			 */
			if (
			isset( $settings->data ) &&
			isset( $settings->photo ) && ! empty( $settings->photo ) &&
			'image-icon' === $settings->type
			) {
				$settings->data = FLBuilderPhoto::get_attachment_data( $settings->photo );
			}

			/**
			 * 3) Set `list item` module images
			 */
			if ( isset( $settings->add_list_item ) ) {
				foreach ( $settings->add_list_item as $key => $value ) {
					$settings->add_list_item[ $key ] = self::import_photo( $value );
				}
			}

			return $settings;
		}

		/**
		 * Import Column Images.
		 *
		 * @param  object $settings Column settings object.
		 * @return object
		 */
		public static function import_column_images( $settings ) {

			// 1) Set BG Images.
			$settings = self::import_bg_image( $settings );

			return $settings;
		}

		/**
		 * Import Row Images.
		 *
		 * @param  object $settings Row settings object.
		 * @return object
		 */
		public static function import_row_images( $settings ) {

			// 1) Set BG Images.
			$settings = self::import_bg_image( $settings );

			return $settings;
		}

		/**
		 * Helper: Import BG Images.
		 *
		 * @param  object $settings Row settings object.
		 * @return object
		 */
		public static function import_bg_image( $settings ) {

			if (
			( ! empty( $settings->bg_image ) && ! empty( $settings->bg_image_src ) )
			) {
				$image = array(
					'url' => $settings->bg_image_src,
					'id'  => $settings->bg_image,
				);

				$downloaded_image = CartFlows_Import_Image::get_instance()->import( $image );

				$settings->bg_image_src = $downloaded_image['url'];
				$settings->bg_image     = $downloaded_image['id'];
			}

			return $settings;
		}

		/**
		 * Helper: Import Photo.
		 *
		 * @param  object $settings Row settings object.
		 * @return object
		 */
		public static function import_photo( $settings ) {

			if ( ! empty( $settings->photo ) && ! empty( $settings->photo_src ) ) {

				$image = array(
					'url' => $settings->photo_src,
					'id'  => $settings->photo,
				);

				$downloaded_image = CartFlows_Import_Image::get_instance()->import( $image );

				$settings->photo_src = $downloaded_image['url'];
				$settings->photo     = $downloaded_image['id'];
			}

			return $settings;
		}


	}

	/**
	 * Initialize class object with 'get_instance()' method
	 */
	CartFlows_Importer_Beaver_Builder::get_instance();

endif;