<?php
if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

/**
 * Class Vc_Vendor_YoastSeo
 * @since 4.4
 */
class Vc_Vendor_YoastSeo implements Vc_Vendor_Interface {

	/**
	 * Created to improve yoast multiply calling wpseo_pre_analysis_post_content filter.
	 * @since 4.5.3
	 * @var string - parsed post content
	 */
	protected $parsedContent;

	function __construct() {
		add_action( 'vc_backend_editor_render', array(
			&$this,
			'enqueueJs',
		) );
	}

	/**
	 * Add filter for yoast.
	 * @since 4.4
	 */
	public function load() {
		if ( class_exists( 'WPSEO_Metabox' ) && ( 'admin_page' === vc_mode() || 'admin_frontend_editor' === vc_mode() ) ) {
			add_filter( 'wpseo_pre_analysis_post_content', array(
				&$this,
				'filterResults',
			) );
		}
	}

	/**
	 * Properly parse content to detect images/text keywords.
	 * @since 4.4
	 *
	 * @param $content
	 *
	 * @return string
	 */
	public function filterResults( $content ) {
		if ( empty( $this->parsedContent ) ) {
			global $post, $wp_the_query;
			$wp_the_query->post = $post; // since 4.5.3 to avoid the_post replaces
			/**
			 * @since 4.4.3
			 * vc_filter: vc_vendor_yoastseo_filter_results
			 */
			do_action( 'vc_vendor_yoastseo_filter_results' );
			$this->parsedContent = do_shortcode( shortcode_unautop( $content ) );
			wp_reset_query();
		}

		return $this->parsedContent;
	}

	/**
	 * @since 4.4
	 */
	public function enqueueJs() {
		wp_enqueue_script( 'vc_vendor_yoast_js', vc_asset_url( 'js/vendors/yoast.js' ), array( 'yoast-seo-post-scraper' ), WPB_VC_VERSION, true );
	}

	public function frontendEditorBuild() {
		$vc_yoast_meta_box = $GLOBALS['wpseo_metabox'];
		remove_action( 'admin_init', array( $GLOBALS['wpseo_meta_columns'], 'setup_hooks' ) );
		apply_filters( 'wpseo_use_page_analysis', false );
		remove_action( 'add_meta_boxes', array($vc_yoast_meta_box, 'add_meta_box' ) );
		remove_action( 'admin_enqueue_scripts', array( $vc_yoast_meta_box, 'enqueue' ) );
		remove_action( 'wp_insert_post', array( $vc_yoast_meta_box, 'save_postdata' ) );
		remove_action( 'edit_attachment', array( $vc_yoast_meta_box, 'save_postdata' ) );
		remove_action( 'add_attachment', array( $vc_yoast_meta_box, 'save_postdata' ) );
		remove_action( 'post_submitbox_start', array( $vc_yoast_meta_box, 'publish_box' ) );
		remove_action( 'admin_init', array( $vc_yoast_meta_box, 'setup_page_analysis' ) );
		remove_action( 'admin_init', array( $vc_yoast_meta_box, 'translate_meta_boxes' ) );
		remove_action( 'admin_footer', array( $vc_yoast_meta_box, 'template_keyword_tab' ) );
	}
}
