<?php
/**
 * Batch Processing
 *
 * @package CartFlows
 * @since 1.0.0
 */

if ( ! class_exists( 'CartFlows_Batch_Process' ) ) :

	/**
	 * CartFlows_Batch_Process
	 *
	 * @since 1.0.0
	 */
	class CartFlows_Batch_Process {

		/**
		 * Instance
		 *
		 * @since 1.0.0
		 * @var object Class object.
		 * @access private
		 */
		private static $instance;

		/**
		 * Elementor Batch Instance
		 *
		 * @since 1.1.1 Updated instance name with elementor specific.
		 *
		 * @since 1.0.0
		 * @var object Class object.
		 * @access public
		 */
		public static $batch_instance_elementor;

		/**
		 * Beaver Builder Batch Instance
		 *
		 * @since 1.1.1
		 * @var object Class object.
		 * @access public
		 */
		public static $batch_instance_bb;

		/**
		 * Initiator
		 *
		 * @since 1.0.0
		 * @return object initialized object of class.
		 */
		public static function get_instance() {
			if ( ! isset( self::$instance ) ) {
				self::$instance = new self;
			}
			return self::$instance;
		}

		/**
		 * Constructor
		 *
		 * @since 1.0.0
		 */
		public function __construct() {

			// Not BB or Elementor then avoid importer.
			if ( ! class_exists( '\Elementor\Plugin' ) && ! class_exists( 'FLBuilder' ) ) {
				return;
			}

			// Core Helpers - Image.
			require_once ABSPATH . 'wp-admin/includes/image.php';

			// Core Helpers - Batch Processing.
			require_once CARTFLOWS_DIR . 'classes/batch-process/helpers/class-cartflows-importer-image.php';
			require_once CARTFLOWS_DIR . 'classes/batch-process/helpers/class-wp-async-request.php';
			require_once CARTFLOWS_DIR . 'classes/batch-process/helpers/class-wp-background-process.php';

			// Elementor.
			if ( class_exists( '\Elementor\Plugin' ) ) {
				// Add "elementor" in import [queue].
				// @todo Remove required `allow_url_fopen` support.
				if ( ini_get( 'allow_url_fopen' ) ) {
					require_once CARTFLOWS_DIR . 'classes/batch-process/class-cartflows-importer-elementor.php';
					require_once CARTFLOWS_DIR . 'classes/batch-process/class-cartflows-importer-elementor-batch.php';
					self::$batch_instance_elementor = new Cartflows_Importer_Elementor_Batch();
				}
			}

			// Beaver Builder.
			if ( class_exists( 'FLBuilder' ) ) {
				require_once CARTFLOWS_DIR . 'classes/batch-process/class-cartflows-importer-beaver-builder.php';
				require_once CARTFLOWS_DIR . 'classes/batch-process/class-cartflows-importer-beaver-builder-batch.php';
				self::$batch_instance_bb = new Cartflows_Importer_Beaver_Builder_Batch();
			}

			// Start image importing after site import complete.
			add_action( 'cartflows_after_template_import', array( $this, 'start_batch_process' ) );
			add_action( 'cartflows_import_complete', array( $this, 'complete_batch_import' ) );
		}

		/**
		 * Batch Process Complete.
		 *
		 * @return void
		 */
		public function complete_batch_import() {
			wcf()->logger->import_log( '(✓) BATCH Process Complete!' );
		}

		/**
		 * Start Image Import
		 *
		 * @param integer $post_id Post Id.
		 *
		 * @return void
		 */
		public function start_batch_process( $post_id = '' ) {

			wcf()->logger->import_log( '(✓) BATCH Started!' );
			wcf()->logger->import_log( '(✓) Step ID ' . $post_id );

			// Add "elementor" in import [queue].
			if ( self::$batch_instance_bb ) {

				// Add to queue.
				self::$batch_instance_bb->push_to_queue( $post_id );

				// Dispatch Queue.
				self::$batch_instance_bb->save()->dispatch();

				wcf()->logger->import_log( '(✓) Dispatch "Beaver Builder" Request..' );

			} elseif ( self::$batch_instance_elementor ) {

				// Add to queue.
				self::$batch_instance_elementor->push_to_queue( $post_id );

				// Dispatch Queue.
				self::$batch_instance_elementor->save()->dispatch();

				wcf()->logger->import_log( '(✓) Dispatch "Elementor" Request..' );
			} else {
				wcf()->logger->import_log( '(✕) Could not import image due to allow_url_fopen() is disabled!' );
			}
		}

	}

	/**
	 * Kicking this off by calling 'get_instance()' method
	 */
	CartFlows_Batch_Process::get_instance();

endif;