<?php
/**
 * Analog Elementor Tools.
 *
 * @package AnalogWP
 */

namespace Analog\Elementor;

use Analog\Base;
use Analog\Utils;
use Elementor\Rollback;
use Elementor\User;
use Elementor\Plugin;
use WP_Post;
use WP_Error;

/**
 * Analog Elementor Tools.
 *
 * @package Analog\Elementor
 * @since 1.2.1
 */
class Tools extends Base {
	const BULK_EXPORT_ACTION = 'analog_export_multiple_kits';

	const TEMP_FILES_DIR = 'elementor/tmp';

	/**
	 * Tools constructor.
	 */
	public function __construct() {
		$this->add_actions();
	}

	/**
	 * Add all actions and filters.
	 */
	private function add_actions() {
		add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_scripts' ] );

		add_action( 'admin_post_ang_rollback', [ $this, 'post_ang_rollback' ] );
		add_filter( 'display_post_states', [ $this, 'stylekit_post_state' ], 20, 2 );

		add_filter( 'post_row_actions', [ $this, 'filter_post_row_actions' ], 15, 2 );
		add_filter( 'page_row_actions', [ $this, 'filter_post_row_actions' ], 15, 2 );

		add_action( 'wp_ajax_ang_make_global', [ $this, 'post_global_stylekit' ] );
		add_action( 'wp_ajax_ang_remove_kit_queue', [ $this, 'ang_remove_kit_queue' ] );

		if ( is_admin() ) {
			add_action( 'admin_footer', [ $this, 'import_stylekit_template' ] );
			add_filter( 'post_row_actions', [ $this, 'post_row_actions' ], 10, 2 );

			add_action( 'wp_ajax_analog_style_kit_export', [ $this, 'handle_style_kit_export' ] );
			add_action( 'wp_ajax_analog_style_kit_import', [ $this, 'handle_style_kit_import' ] );

			// Template library bulk actions.
			add_filter( 'bulk_actions-edit-ang_tokens', [ $this, 'admin_add_bulk_export_action' ] );
			add_filter( 'handle_bulk_actions-edit-ang_tokens', [ $this, 'admin_export_multiple_templates' ], 10, 3 );
		}

		add_action( 'heartbeat_send', [ $this, 'heartbeat_send' ], 10, 2 );
	}

	/**
	 * Handle WP_Error message.
	 *
	 * @access private
	 *
	 * @param string $message Error message.
	 */
	private function handle_wp_error( $message ) {
		_default_wp_die_handler( $message, 'Analog Templates' );
	}

	/**
	 * Checks if current screen is Style Kits CPT screen.
	 *
	 * @return bool
	 */
	public static function is_tokens_screen() {
		global $current_screen;

		if ( ! $current_screen ) {
			return false;
		}

		return 'edit' === $current_screen->base && 'ang_tokens' === $current_screen->post_type;
	}

	/**
	 * Enqueue Style Kit import/export related scripts and styles.
	 */
	public function enqueue_scripts() {
		if ( ! self::is_tokens_screen() ) {
			return;
		}

		wp_enqueue_script(
			'ang-cpt-tools',
			ANG_PLUGIN_URL . 'inc/elementor/js/ang-cpt-tools.js',
			[ 'jquery' ],
			ANG_VERSION,
			true
		);

		$admin_css = <<<CSS
		#analog-import-template-area {
			margin: 50px 0 30px;
    		text-align: center;
		}
		#analog-import-template-title {
			font-size: 18px;
    		color: #555d66;
		}
		#analog-import-template-form {
		    display: inline-block;
		    margin-top: 30px;
		    padding: 30px 50px;
		    background-color: #FFFFFF;
		    border: 1px solid #e5e5e5;
		}
CSS;

		wp_add_inline_style( 'forms', $admin_css );
	}

	/**
	 * Get template export link.
	 *
	 * Retrieve the link used to export a single template based on the template
	 * ID.
	 *
	 * @access private
	 *
	 * @param int $kit_id The template ID.
	 *
	 * @return string Template export URL.
	 */
	private function get_export_link( $kit_id ) {
		return add_query_arg(
			[
				'action' => 'analog_style_kit_export',
				'_nonce' => wp_create_nonce( 'analog_ajax' ),
				'kit_id' => $kit_id,
			],
			admin_url( 'admin-ajax.php' )
		);
	}

	private function get_stylekit_global_link() {
		return add_query_arg(
			[
				'action'  => 'ang_make_global',
				'post_id' => get_the_ID(),
			],
			admin_url( 'admin-ajax.php' )
		);
	}

	/**
	 * Post row actions.
	 *
	 * Add an export link to the template library action links table list.
	 *
	 * Fired by `post_row_actions` filter.
	 *
	 * @access public
	 *
	 * @param array   $actions An array of row action links.
	 * @param WP_Post $post The post object.
	 *
	 * @return array An updated array of row action links.
	 */
	public function post_row_actions( $actions, WP_Post $post ) {
		if ( self::is_tokens_screen() ) {
			$actions['export-template'] = sprintf( '<a href="%1$s">%2$s</a>', $this->get_export_link( $post->ID ), __( 'Export Style Kit', 'ang' ) );
		}

		return $actions;
	}

	/**
	 * Bulk export action.
	 *
	 * Adds an 'Export' action to the Bulk Actions drop-down in the template
	 * library.
	 *
	 * Fired by `bulk_actions-edit-elementor_library` filter.
	 *
	 * @access public
	 *
	 * @param array $actions An array of the available bulk actions.
	 *
	 * @return array An array of the available bulk actions.
	 */
	public function admin_add_bulk_export_action( $actions ) {
		$actions[ self::BULK_EXPORT_ACTION ] = __( 'Export', 'ang' );

		return $actions;
	}

	/**
	 * Add bulk export action.
	 *
	 * Handles the template library bulk export action.
	 *
	 * Fired by `handle_bulk_actions-edit-ang_tokens` filter.
	 *
	 * @access public
	 *
	 * @param string $redirect_to The redirect URL.
	 * @param string $action The action being taken.
	 * @param array  $post_ids The items to take the action on.
	 */
	public function admin_export_multiple_templates( $redirect_to, $action, $post_ids ) {
		if ( self::BULK_EXPORT_ACTION === $action ) {
			$result = $this->export_multiple_templates( $post_ids );

			// If you reach this line, the export failed.
			wp_die( $result->get_error_message() );
		}
	}

	/**
	 * Export multiple local templates.
	 *
	 * Export multiple template to a ZIP file.
	 *
	 * @access public
	 *
	 * @param array $kit_ids An array of template IDs.
	 *
	 * @return \WP_Error|void WordPress error if export failed.
	 */
	public function export_multiple_templates( array $kit_ids ) {
		$files         = [];
		$wp_upload_dir = wp_upload_dir();
		$temp_path     = $wp_upload_dir['basedir'] . '/' . self::TEMP_FILES_DIR;

		// Create temp path if it doesn't exist.
		wp_mkdir_p( $temp_path );

		// Create all json files.
		foreach ( $kit_ids as $kit_id ) {
			$file_data = $this->prepare_kit_export( $kit_id );

			if ( is_wp_error( $file_data ) ) {
				continue;
			}

			$complete_path = $temp_path . '/' . $file_data['name'];

			$put_contents = file_put_contents( $complete_path, $file_data['content'] ); // @codingStandardsIgnoreLine

			if ( ! $put_contents ) {
				return new WP_Error( '404', sprintf( 'Cannot create file "%s".', $file_data['name'] ) );
			}

			$files[] = [
				'path' => $complete_path,
				'name' => $file_data['name'],
			];
		}

		if ( ! $files ) {
			return new WP_Error( 'empty_files', 'There is no files to export (probably all the requested Style Kits are empty).' );
		}

		// Create temporary .zip file.
		$zip_archive_filename = 'analog-style-kits-' . date( 'Y-m-d' ) . '.zip';
		$zip_archive          = new \ZipArchive();
		$zip_complete_path    = $temp_path . '/' . $zip_archive_filename;

		$zip_archive->open( $zip_complete_path, \ZipArchive::CREATE );

		foreach ( $files as $file ) {
			$zip_archive->addFile( $file['path'], $file['name'] );
		}

		$zip_archive->close();

		foreach ( $files as $file ) {
			unlink( $file['path'] );
		}

		$this->send_file_headers( $zip_archive_filename, filesize( $zip_complete_path ) );

		@ob_end_flush();

		@readfile( $zip_complete_path );

		unlink( $zip_complete_path );

		die;
	}

	/**
	 * Prepare Style Kit to export.
	 *
	 * Retrieve the relevant template data and return them as an array.
	 *
	 * @access private
	 *
	 * @param int $kit_id The template ID.
	 *
	 * @return WP_Error|array Exported template data.
	 */
	private function prepare_kit_export( $kit_id ) {
		$tokens = get_post_meta( $kit_id, '_tokens_data', true );

		if ( empty( $tokens ) ) {
			return new WP_Error( 'empty_kit', 'The Style Kit is empty' );
		}

		$kit_data = [];

		$kit_data['content'] = $tokens;
		$kit_data['title']   = get_the_title( $kit_id );

		return [
			'name'    => 'analog-' . $kit_id . '-' . date( 'Y-m-d' ) . '.json',
			'content' => wp_json_encode( $kit_data ),
		];
	}

	/**
	 * Export local template.
	 *
	 * Export template to a file.
	 *
	 * @access public
	 *
	 * @param int $kit_id The Style Kit ID.
	 *
	 * @return WP_Error WordPress error if template export failed.
	 */
	public function export_stylekit( $kit_id ) {
		$file_data = $this->prepare_kit_export( $kit_id );

		if ( is_wp_error( $file_data ) ) {
			return $file_data;
		}

		$this->send_file_headers( $file_data['name'], strlen( $file_data['content'] ) );

		// Clear buffering just in case.
		@ob_end_clean(); // @codingStandardsIgnoreLine

		flush();

		// Output file contents.
		echo $file_data['content']; // @codingStandardsIgnoreLine

		die;
	}

	/**
	 * Send file headers.
	 *
	 * Set the file header when export style kit data to a file.
	 *
	 * @access private
	 *
	 * @param string $file_name File name.
	 * @param int    $file_size File size.
	 */
	private function send_file_headers( $file_name, $file_size ) {
		header( 'Content-Type: application/octet-stream' );
		header( 'Content-Disposition: attachment; filename=' . $file_name );
		header( 'Expires: 0' );
		header( 'Cache-Control: must-revalidate' );
		header( 'Pragma: public' );
		header( 'Content-Length: ' . $file_size );
	}

	public function handle_style_kit_export() {
		if ( empty( $_REQUEST['_nonce'] ) || ! wp_verify_nonce( $_REQUEST['_nonce'], 'analog_ajax' ) ) {
			wp_send_json_error( [ 'message' => 'Access Denied.' ] );
		}

		$kit_id = $_REQUEST['kit_id'];

		$export = $this->export_stylekit( $kit_id );
		if ( is_wp_error( $export ) ) {
			wp_send_json_error( [ 'message' => $export->get_error_message() ] );
		}

		wp_send_json_success();
	}

	/**
	 * Import template form contents.
	 *
	 * @return void
	 */
	public function import_stylekit_template() {
		if ( ! self::is_tokens_screen() ) {
			return;
		}

		?>
		<div id="analog-hidden-area" hidden aria-hidden="true">
			<a id="analog-import-template-trigger"
			   class="page-title-action"><?php esc_html_e( 'Import Style Kits', 'ang' ); ?></a>
			<div id="analog-import-template-area" style="display:none;">
				<div id="analog-import-template-title">
					<?php esc_html_e( 'Choose an Analog template JSON file or a .zip archive of Analog Style Kits, and add them to the list of Style Kits available in your library.', 'ang' ); ?>
				</div>
				<form id="analog-import-template-form" method="post"
				      action="<?php echo esc_url( admin_url( 'admin-ajax.php' ) ); ?>" enctype="multipart/form-data">
					<input type="hidden" name="action" value="analog_style_kit_import">
					<input type="hidden" name="_nonce"
					       value="<?php echo esc_attr( wp_create_nonce( 'analog-import' ) ); ?>">
					<fieldset id="elementor-import-template-form-inputs">
						<input type="file" name="file"
						       accept=".json,application/json,.zip,application/octet-stream,application/zip,application/x-zip,application/x-zip-compressed"
						       required>
						<input type="submit" class="button" value="<?php esc_attr_e( 'Import Now', 'ang' ); ?>">
					</fieldset>
				</form>
			</div>
		</div>
		<?php
	}

	/**
	 * Import local template.
	 *
	 * Import template from a file.
	 *
	 * @access public
	 *
	 * @param string $name - The file name.
	 * @param string $path - The file path.
	 *
	 * @return WP_Error|array An array of items on success, 'WP_Error' on failure.
	 */
	public function import_style_kit( $name, $path ) {
		if ( empty( $path ) ) {
			return new WP_Error( 'file_error', 'Please upload a file to import' );
		}

		$items = [];

		$file_extension = pathinfo( $name, PATHINFO_EXTENSION );

		if ( 'zip' === $file_extension ) {
			if ( ! class_exists( '\ZipArchive' ) ) {
				return new WP_Error( 'zip_error', 'PHP Zip extension not loaded' );
			}

			$zip = new \ZipArchive();

			$wp_upload_dir = wp_upload_dir();

			$temp_path = $wp_upload_dir['basedir'] . '/' . self::TEMP_FILES_DIR . '/' . uniqid();

			$zip->open( $path );

			$zip->extractTo( $temp_path );

			$zip->close();

			$file_names = array_diff( scandir( $temp_path ), [ '.', '..' ] );

			foreach ( $file_names as $file_name ) {
				$full_file_name = $temp_path . '/' . $file_name;
				$import_result  = $this->import_single_style_kit( $full_file_name );

				unlink( $full_file_name );

				if ( is_wp_error( $import_result ) ) {
					return $import_result;
				}

				$items[] = $import_result;
			}

			rmdir( $temp_path );
		} else {
			$import_result = $this->import_single_style_kit( $path );

			if ( is_wp_error( $import_result ) ) {
				return $import_result;
			}

			$items[] = $import_result;
		}

		return $items;
	}

	/**
	 * Import single template.
	 *
	 * Import template from a file to the database.
	 *
	 * @access private
	 *
	 * @param string $file_name File name.
	 *
	 * @return WP_Error|int|array Local style kit array, or style kit ID, or `WP_Error`.
	 */
	private function import_single_style_kit( $file_name ) {
		$data = json_decode( file_get_contents( $file_name ), true ); // @codingStandardsIgnoreLine

		if ( empty( $data ) ) {
			return new WP_Error( 'file_error', 'Invalid File' );
		}

		$content = $data['content'];

		if ( empty( $content ) ) {
			return new WP_Error( 'file_error', 'Invalid data' );
		}

		$new_kit = wp_insert_post(
			[
				'post_type'   => 'ang_tokens',
				'post_title'  => $data['title'],
				'post_status' => 'publish',
				'meta_input'  => [
					'_tokens_data' => $content,
				],
			]
		);

		if ( is_wp_error( $new_kit ) ) {
			return $new_kit;
		}

		return $new_kit;
	}

	/**
	 * Handle Style Kit import ajax action.
	 */
	public function handle_style_kit_import() {
		// @codingStandardsIgnoreLine
		if ( empty( $_REQUEST['_nonce'] ) || ! wp_verify_nonce( $_REQUEST['_nonce'], 'analog-import' ) ) {
			wp_send_json_error( [ 'message' => 'Access Denied.' ] );
		}

		$imports = $this->import_style_kit( $_FILES['file']['name'], $_FILES['file']['tmp_name'] ); // @codingStandardsIgnoreLine

		if ( is_wp_error( $imports ) ) {
			$this->handle_wp_error( $imports->get_error_message() . '.' );
		}

		if ( is_array( $imports ) ) {
			wp_safe_redirect( admin_url( 'edit.php?post_type=ang_tokens' ) );
			die;
		}
	}

	/**
	 * Rollback AnalogWP version.
	 *
	 * @return void
	 * @since 1.2.3
	 */
	public function post_ang_rollback() {
		check_admin_referer( 'ang_rollback' );

		?>
		<style>
			.wrap h1 {
				position: relative;
				padding-top: 140px !important;
			}

			.wrap h1:before {
				content: '';
				position: absolute;
				width: 300px;
				height: 65px;
				color: #fff;
				top: 40px;
				background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 116 24' fill='white' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M65.3219 12.0481C65.3219 15.7023 62.3543 18.6647 58.6935 18.6647C55.0328 18.6647 52.0652 15.7023 52.0652 12.0481C52.0652 8.39391 55.0328 5.43158 58.6935 5.43158C62.3543 5.43158 65.3219 8.39391 65.3219 12.0481Z' %3E%3C/path%3E%3Cpath d='M9.59184 6.29053V7.70526C8.75667 6.51789 7.16224 6.01263 5.7956 6.01263C2.7586 6.01263 0 8.36211 0 12.1516C0 15.9411 2.7586 18.2905 5.7956 18.2905C7.11163 18.2905 8.75667 17.76 9.59184 16.5979V18.0632H12.9072V6.29053H9.59184ZM6.4283 15.2084C4.75796 15.2084 3.366 13.8695 3.366 12.1516C3.366 10.4084 4.75796 9.12 6.4283 9.12C7.97211 9.12 9.49061 10.3326 9.49061 12.1516C9.49061 13.9453 8.04803 15.2084 6.4283 15.2084Z' %3E%3C/path%3E%3Cpath d='M23.113 5.98737C21.9488 5.98737 20.076 6.66947 19.5698 8.26105V6.29053H16.2544V18.0632H19.5698V12.0253C19.5698 9.87789 21.0377 9.24632 22.2272 9.24632C23.3661 9.24632 24.4796 10.08 24.4796 11.9495V18.0632H27.795V11.5958C27.8203 8.05895 26.2006 5.98737 23.113 5.98737Z' %3E%3C/path%3E%3Cpath d='M39.8679 6.29053V7.70526C39.0327 6.51789 37.4383 6.01263 36.0716 6.01263C33.0346 6.01263 30.276 8.36211 30.276 12.1516C30.276 15.9411 33.0346 18.2905 36.0716 18.2905C37.3876 18.2905 39.0327 17.76 39.8679 16.5979V18.0632H43.1832V6.29053H39.8679ZM36.7043 15.2084C35.034 15.2084 33.642 13.8695 33.642 12.1516C33.642 10.4084 35.034 9.12 36.7043 9.12C38.2481 9.12 39.7666 10.3326 39.7666 12.1516C39.7666 13.9453 38.3241 15.2084 36.7043 15.2084Z' %3E%3C/path%3E%3Cpath d='M46.5305 18.0632H49.8458V0H46.5305V18.0632Z' %3E%3C/path%3E%3Cpath d='M58.7973 18.2905C62.1633 18.2905 65.1496 15.8653 65.1496 12.1516C65.1496 8.41263 62.1633 5.98737 58.7973 5.98737C55.4313 5.98737 52.4449 8.41263 52.4449 12.1516C52.4449 15.8653 55.4313 18.2905 58.7973 18.2905ZM58.7973 15.2084C57.1522 15.2084 55.8109 13.9705 55.8109 12.1516C55.8109 10.3074 57.1522 9.06947 58.7973 9.06947C60.4423 9.06947 61.7836 10.3074 61.7836 12.1516C61.7836 13.9705 60.4423 15.2084 58.7973 15.2084Z' %3E%3C/path%3E%3Cpath d='M76.644 6.29053V7.68C75.7835 6.54316 74.189 6.01263 72.8477 6.01263C69.8107 6.01263 67.0521 8.36211 67.0521 12.1516C67.0521 15.9411 69.8107 18.2905 72.8477 18.2905C74.1637 18.2905 75.7835 17.76 76.644 16.6232V16.8C76.644 19.8821 75.3026 21.0442 73.1767 21.0442C71.9113 21.0442 70.6965 20.2863 70.1903 19.2253L67.4317 20.4126C68.4441 22.5853 70.6459 24 73.1767 24C77.3526 24 79.9593 21.6 79.9593 16.4463V6.29053H76.644ZM73.4804 15.2084C71.8101 15.2084 70.4181 13.8695 70.4181 12.1516C70.4181 10.4084 71.8101 9.12 73.4804 9.12C75.0242 9.12 76.5427 10.3326 76.5427 12.1516C76.5427 13.9453 75.1001 15.2084 73.4804 15.2084Z' %3E%3C/path%3E%3Cpath d='M97.6574 6.29053L95.4303 13.4653L93.1779 6.29053H90.3939L88.1415 13.4653L85.9144 6.29053H82.3206L86.623 18.0632H89.4575L91.8112 10.4084L94.2408 18.0632H97.0753L101.251 6.29053H97.6574Z' %3E%3C/path%3E%3Cpath d='M110.204 5.98737C108.863 5.98737 107.243 6.51789 106.408 7.70526V6.29053H103.093V23.8484H106.408V16.5979C107.243 17.7853 108.863 18.2905 110.204 18.2905C113.241 18.2905 116 15.9411 116 12.1516C116 8.36211 113.241 5.98737 110.204 5.98737ZM109.572 15.1832C108.028 15.1832 106.509 13.9705 106.509 12.1516C106.509 10.3579 107.952 9.09474 109.572 9.09474C111.242 9.09474 112.609 10.4337 112.609 12.1516C112.609 13.8947 111.242 15.1832 109.572 15.1832Z' %3E%3C/path%3E%3C/svg%3E");
				background-repeat: no-repeat;
				transform: translate(50%);
			}

			.wrap img {
				display: none;
			}
		</style>
		<?php

		$plugin_slug    = 'analogwp-templates';
		$plugin_name    = 'analogwp-templates/analogwp-templates.php';
		$stable_version = ANG_LAST_STABLE_VERSION;

		$rollback = new Rollback(
			[
				'version'     => $stable_version,
				'plugin_name' => $plugin_name,
				'plugin_slug' => $plugin_slug,
				'package_url' => sprintf( 'https://downloads.wordpress.org/plugin/%s.%s.zip', $plugin_slug, $stable_version ),
			]
		);

		$rollback->run();

		wp_die(
			'',
			esc_html__( 'Rollback to Previous Version', 'ang' ),
			[
				'response' => 200,
			]
		);
	}

	/**
	 * Add Style Kit post state.
	 *
	 * Adds a new "Style Kit: %s" post state to the post table.
	 *
	 * Fired by `display_post_states` filter.
	 *
	 * @param array   $post_states An array of post display states.
	 * @param WP_Post $post The current post object.
	 *
	 * @return array A filtered array of post display states.
	 * @since 1.2.3
	 * @access public
	 */
	public function stylekit_post_state( $post_states, $post ) {
		if ( User::is_current_user_can_edit( $post->ID ) && Plugin::$instance->db->is_built_with_elementor( $post->ID ) ) {
			$settings = get_post_meta( $post->ID, '_elementor_page_settings', true );

			if ( isset( $settings['ang_action_tokens'] ) && '' !== $settings['ang_action_tokens'] ) {
				$kit_id = $settings['ang_action_tokens'];

				if ( get_option( 'elementor_ang_global_kit' ) !== $kit_id ) {
					/* translators: %s: Style kit title. */
					$post_states['style_kit'] = sprintf( __( 'Style Kit: %s <span style="color:#3152FF;">&#9679;</span>', 'ang' ), get_the_title( $kit_id ) );
				}
			}
		}

		return $post_states;
	}

	/**
	 * Add custom post action.
	 *
	 * @param array  $actions Existing actions.
	 * @param object $post Post object.
	 *
	 * @return mixed
	 */
	public function filter_post_row_actions( $actions, $post ) {
		if ( User::is_current_user_can_edit( $post->ID ) && Plugin::$instance->db->is_built_with_elementor( $post->ID ) ) {
			$settings = get_post_meta( $post->ID, '_elementor_page_settings', true );

			if ( isset( $settings['ang_action_tokens'] ) && get_option( 'elementor_ang_global_kit' ) !== $settings['ang_action_tokens'] ) {
				$actions['apply_global_kit'] = sprintf(
					'<a href="%1$s">%2$s</a>',
					wp_nonce_url( $this->get_stylekit_global_link(), 'ang_make_global' ),
					__( 'Apply Global Style Kit', 'ang' )
				);
			}
		}

		return $actions;
	}

	/**
	 * Ajax action for applying Global stylekit to specific post.
	 *
	 * @return void
	 * @since 1.2.3
	 */
	public function post_global_stylekit() {
		check_admin_referer( 'ang_make_global' );

		if ( ! isset( $_REQUEST['post_id'] ) ) {
			exit;
		}

		$post_id = $_REQUEST['post_id'];
		$token   = get_post_meta( get_option( 'elementor_ang_global_kit' ), '_tokens_data', true );

		update_post_meta( $post_id, '_elementor_page_settings', json_decode( $token, ARRAY_A ) );
		Utils::clear_elementor_cache();

		wp_safe_redirect( wp_get_referer() );
		exit;
	}

	/**
	 * Ajax action to remove a stylekit from refresh queue.
	 *
	 * @return void
	 * @since  1.2.3
	 */
	public function ang_remove_kit_queue() {
		if ( ! isset( $_REQUEST['id'] ) ) {
			wp_send_json_error(
				[
					'message' => __( 'Invalid/empty Post ID.', 'ang' ),
				]
			);
		}

		Utils::remove_from_stylekit_queue( $_REQUEST['id'] );

		wp_send_json_success();
	}

	/**
	 * Send style kit queue data to heartbeat.
	 *
	 * @param array $response Response data.
	 *
	 * @return mixed|array
	 * @since 1.2.3
	 */
	public function heartbeat_send( $response ) {
		$queue = Utils::get_stylekit_queue();

		if ( $queue ) {
			$response['stylekit_queue'] = array_values( $queue );
		}

		return $response;
	}
}


new Tools();