<?php

namespace WPGraphQL\Type\ObjectType;

/**
 * Class MediaItemMeta
 *
 * @package WPGraphQL\Type\ObjectType
 */
class MediaItemMeta {

	/**
	 * Register the MediaItemMeta Type
	 *
	 * @return void
	 */
	public static function register_type() {
		register_graphql_object_type(
			'MediaItemMeta',
			[
				'description' => __( 'Meta connected to a MediaItem', 'wp-graphql' ),
				'fields'      => [
					'aperture'         => [
						'type'        => 'Float',
						'description' => __( 'Aperture measurement of the media item.', 'wp-graphql' ),
					],
					'credit'           => [
						'type'        => 'String',
						'description' => __( 'The original creator of the media item.', 'wp-graphql' ),
					],
					'camera'           => [
						'type'        => 'String',
						'description' => __( 'Information about the camera used to create the media item.', 'wp-graphql' ),
					],
					'caption'          => [
						'type'        => 'String',
						'description' => __( 'The text string description associated with the media item.', 'wp-graphql' ),
					],
					'createdTimestamp' => [
						'type'        => 'Int',
						'description' => __( 'The date/time when the media was created.', 'wp-graphql' ),
						'resolve'     => function ( $meta, $args, $context, $info ) {
							return ! empty( $meta['created_timestamp'] ) ? $meta['created_timestamp'] : null;
						},
					],
					'copyright'        => [
						'type'        => 'String',
						'description' => __( 'Copyright information associated with the media item.', 'wp-graphql' ),
					],
					'focalLength'      => [
						'type'        => 'Float',
						'description' => __( 'The focal length value of the media item.', 'wp-graphql' ),
						'resolve'     => function ( $meta, $args, $context, $info ) {
							return ! empty( $meta['focal_length'] ) ? $meta['focal_length'] : null;
						},
					],
					'iso'              => [
						'type'        => 'Int',
						'description' => __( 'The ISO (International Organization for Standardization) value of the media item.', 'wp-graphql' ),
					],
					'shutterSpeed'     => [
						'type'        => 'Float',
						'description' => __( 'The shutter speed information of the media item.', 'wp-graphql' ),
						'resolve'     => function ( $meta, $args, $context, $info ) {
							return ! empty( $meta['shutter_speed'] ) ? $meta['shutter_speed'] : null;
						},
					],
					'title'            => [
						'type'        => 'String',
						'description' => __( 'A useful title for the media item.', 'wp-graphql' ),
					],
					'orientation'      => [
						'type'        => 'String',
						'description' => __( 'The vertical or horizontal aspect of the media item.', 'wp-graphql' ),
					],
					'keywords'         => [
						'type'        => [
							'list_of' => 'String',
						],
						'description' => __( 'List of keywords used to describe or identfy the media item.', 'wp-graphql' ),
					],
				],
			]
		);
	}
}