<?php
/**
 * Sync functions for control.
 *
 * @package WordPress
 * @subpackage Hestia
 * @since Hestia 1.1.3
 */

// Load Customizer page editor.
require_once( trailingslashit( get_template_directory() ) . '/inc/customizer-page-editor/class/customizer-page-editor-control.php' );

/**
 * Sync frontpage content with customizer control
 *
 * @param string $value New value.
 * @param string $old_value Old value.
 *
 * @return mixed
 */
function hestia_sync_content_from_control( $value = '', $old_value = '' ) {
	$frontpage_id = get_option( 'page_on_front' );
	if ( ! wp_is_post_revision( $frontpage_id ) ) {

		// unhook this function so it doesn't loop infinitely
		remove_action( 'save_post', 'hestia_sync_control_from_page' );

		// update the post, which calls save_post again
		$post = array(
			'ID'           => $frontpage_id,
			'post_content' => wp_kses_post( $value ),
		);

		wp_update_post( $post );

		// re-hook this function
		add_action( 'save_post', 'hestia_sync_control_from_page' );
	}

	return $value;
}
add_filter( 'pre_set_theme_mod_hestia_page_editor', 'hestia_sync_content_from_control' , 10 ,2 );


/**
 * Sync frontpage thumbnail with customizer control
 *
 * @param string $value New value.
 * @param string $old_value Old value.
 *
 * @return mixed
 */
function hestia_sync_thumbnail_from_control( $value, $old_value ) {

	$frontpage_id = get_option( 'page_on_front' );
	if ( ! empty( $frontpage_id ) ) {
		$thumbnail_id = attachment_url_to_postid( $value );
		update_post_meta( $frontpage_id, '_thumbnail_id', $thumbnail_id );
	}
	return $value;
}
add_filter( 'pre_set_theme_mod_hestia_feature_thumbnail', 'hestia_sync_thumbnail_from_control' , 10 ,2 );

/**
 * Sync page thumbnail and content with customizer control
 *
 * @param int $post_id Page id.
 */
function hestia_sync_control_from_page( $post_id, $ajax_call = false ) {
	if ( ! wp_is_post_revision( $post_id )  ) {
		$return_value = array();
		remove_action( 'save_post', 'hestia_sync_control_from_thumbnail' );

		$frontpage_id = get_option( 'page_on_front' );
		if ( (int) $frontpage_id !== (int) $post_id ) {
			return;
		}

		$content = '';
		if ( ! empty( $frontpage_id ) ) {
			$content_post = get_post( $frontpage_id );
			$content      = $content_post->post_content;
			$content      = apply_filters( 'the_content', $content );
			$content      = str_replace( ']]>', ']]&gt;', $content );
		}
		set_theme_mod( 'hestia_page_editor', $content );

		$hestia_frontpage_featured = '';
		if ( has_post_thumbnail( $frontpage_id ) ) {
			$hestia_frontpage_featured = get_the_post_thumbnail_url( $frontpage_id );
		}
		set_theme_mod( 'hestia_feature_thumbnail', $hestia_frontpage_featured );

		add_action( 'save_post', 'hestia_sync_control_from_thumbnail' );

		if ( $ajax_call === true ) {
			$return_value['post_content'] = $content;
			$return_value['post_thumbnail'] = $hestia_frontpage_featured;
			echo json_encode( $return_value );
		}
	}
	echo '';
}
add_action( 'save_post', 'hestia_sync_control_from_page' );