<?php
namespace Frontend_Admin\Field_Types;

if ( ! class_exists( 'featured_image' ) ) :

	class featured_image extends upload_image {



		/*
		*  initialize
		*
		*  This function will setup the field type data
		*
		*  @type    function
		*  @date    5/03/2014
		*  @since    5.0.0
		*
		*  @param    n/a
		*  @return    n/a
		*/

		function initialize() {
			// vars
			$this->name       = 'featured_image';
			$this->label      = __( 'Featured Image', 'frontend-admin' );
			  $this->category = __( 'Post', 'frontend-admin' );
			  $this->defaults = array(
				  'return_format' => 'array',
				  'preview_size'  => 'medium',
				  'library'       => 'all',
				  'min_width'     => 0,
				  'min_height'    => 0,
				  'min_size'      => 0,
				  'max_width'     => 0,
				  'max_height'    => 0,
				  'max_size'      => 0,
				  'show_preview'  => 1,
				  'mime_types'    => '',
				  'no_file_text'  => __( 'No Image selected', 'frontend-admin' ),
			  );

			  add_filter( 'acf/load_field/type=image', array( $this, 'load_featured_image_field' ) );
			  add_filter( 'acf/pre_update_value/type=' . $this->name, array( $this, 'pre_update_value' ), 9, 4 );

		}

		function load_featured_image_field( $field ) {
			if ( ! empty( $field['custom_featured_image'] ) ) {
				$field['type'] = 'featured_image';
			}
			return $field;
		}

		function load_field( $field ) {
			 $field['name'] = $field['type'];
			return $field;
		}

		public function load_value( $value, $post_id = false, $field = false ) {
			if ( $post_id && is_numeric( $post_id ) ) {
				$value = get_post_meta( $post_id, '_thumbnail_id', true );
			}
			return $value;
		}

		function pre_update_value( $checked, $value, $post_id, $field ) {
			if( $this->name !== $field['type'] ){
				return $checked;
			}if ( $post_id && is_numeric( $post_id ) ) {
				update_metadata( 'post', $post_id, '_thumbnail_id', $value );
			}
			return true;
		}

		public function update_value( $value, $post_id = false, $field = false ) {
			return null;
		}

	}



endif;


