<?php
 /**
  * Description of class-rucy-cron
  *
  * @author Nita
  */
 require_once RC_PLUGIN_DIR . '/inc/class-rucy-component.php';
 
 class Class_Rucy_Cron {
     
     public function update_rc_reserved_content( $post_id ) {
         $component = new Class_Rucy_Component();
         $post_metas = $component->get_post_rc_meta( (int)$post_id );
         if ( $post_metas->accept != "1" ) {
             return;
         }

         // rollback
         $rollback_data = array();
         if( $post_metas->accept_rollback == "1" ) {
             $rollback_data = $this->get_rollback_post( (int)$post_id, $post_metas->accept_rollback_date, $post_metas->accept_rollback_feature_img );
         }

         // set update content
         $updates = array( 
             'ID' => (int)$post_id,    

             'post_content' => $post_metas->content,

         );
         // set update post date
         if ( $post_metas->accept_update == "1" ) {
             $updates['post_date'] = $post_metas->date;
             $updates['post_date_gmt'] = get_gmt_from_date( $post_metas->date );
         }
         // update post
         remove_filter( 'content_save_pre', 'wp_filter_post_kses' );
         remove_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' );
         add_filter( 'content_save_pre', array( $this, 'rc_content_allow_iframe' ) );
         wp_update_post( $updates, true );
         remove_filter( 'content_save_pre', array( $this, 'rc_content_allow_iframe' ) );
         add_filter( 'content_save_pre', 'wp_filter_post_kses' );
         add_filter( 'content_filtered_save_pre', 'wp_filter_post_kses' );
         // update feature image
         if ( $post_metas->accept_feature_img == "1" && $post_metas->feature_img != "" ) {
             $this->update_post_thumbnail( $post_id, $post_metas->feature_img );
         }
         // delete post metas
         $post_meta_keys = $component->get_post_meta_keys();
         foreach ( $post_meta_keys as $key => $value ) {
             delete_post_meta( $post_id, $value );
         }
         // clear schedule on wp_cron
         wp_clear_scheduled_hook( RC_CRON_HOOK, array( $post_id ) );

         // save post meta for rollback
         if ( $post_metas->accept_rollback == "1" ) {
             $reserve_date = strtotime( get_gmt_from_date( $post_metas->rollback_date ) . "GMT" );
             $this->set_rollback_setting( $post_id, $reserve_date, $rollback_data );
         }

     }
     
     public function rc_content_allow_iframe( $content ) {
         global $allowedposttags;
         // iframe and attribute in iframe
         $allowedposttags['iframe'] = array(
             'class' => array(), 'src' => array(),
             'width' => array(), 'height' => array(),
             'frameborder' => array(), 'scrolling' => array(),
             'marginheight' => array(), 'marginwidth' => array(),
             'srcdoc' => array(), 'sandbox' => array(),
             'seamless' => array(), 'name' => array(),
         );
         return $content;
     }
     
     private function update_post_thumbnail( $post_id, $reserved_post_thumb_path ) {
         include_once(ABSPATH . 'wp-admin/includes/image.php');
         $upload_dir = wp_upload_dir();
         $image_data = file_get_contents( $reserved_post_thumb_path );
         $file_name = basename( $reserved_post_thumb_path );
         
         if( wp_mkdir_p( $upload_dir['path'] ) ) {
            $file = $upload_dir['path'] . '/' . $file_name; 
         } else {
            $file = $upload_dir['basedir'] . '/' . $file_name;
         }
         file_put_contents( $file, $image_data );
         $wp_file_type = wp_check_filetype( $file_name, null );
         $attachment = array(
         'post_mime_type' => $wp_file_type['type'],
         'post_title'     => sanitize_file_name( $file_name ),
         'post_content'   => '',
         'post_status'    => 'inherit',
         );
         delete_post_thumbnail( $post_id );
         $attachment_id = wp_insert_attachment( $attachment, $file, $post_id );
         $attach_data = wp_generate_attachment_metadata( $attachment_id, $file );
         if( !empty( $attach_data ) && !is_wp_error( $attach_data ) ){
             $res = wp_update_attachment_metadata( $attachment_id, $attach_data );
             set_post_thumbnail( $post_id, $attachment_id );
 
             return $res;
         }
     }

     
     private function get_rollback_post( $post_id, $accept_rollback_date = "0", $accept_rollback_feature_image = "0" ) {
         $post_data = get_post( $post_id );
         $component = new Class_Rucy_Component();
         $post_meta_keys = $component->get_post_meta_keys();
         
         $res = array(
             $post_meta_keys->content => $post_data->post_content,
             $post_meta_keys->accept => "1",
         );
         if ( $accept_rollback_date == "1" ) {
             $res[$post_meta_keys->accept_update] = "1";
             $res[$post_meta_keys->date] = $post_data->post_date;
         }
         if ( $accept_rollback_feature_image == "1" ) {
             $res[$post_meta_keys->accept_feature_img] = "1";
             $feature_image = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id ), 'full' );
             $res[$post_meta_keys->feature_img] = $feature_image[0];
         }
         
         return $res;
     }
     
     private function set_rollback_setting( $post_id, $reserve_date, array $rollback_data ) {
         $component = new Class_Rucy_Component();
         foreach ( $rollback_data as $key => $value ) {
             $component->save_rc_post_meta_base( (int)$post_id, $key, $rollback_data );
         }
          wp_schedule_single_event( $reserve_date, RC_CRON_HOOK, array( $post_id ) );
     }

 }