<?php
namespace QuadLayers\IGG\Api\Rest\Endpoints\Backend\Feeds;

use QuadLayers\IGG\Models\Feed as Models_Feed;
use QuadLayers\IGG\Api\Rest\Endpoints\Backend\Base as Base;
use QuadLayers\IGG\Utils\Cache as Cache;


/**
 * Api_Rest_Feeds_Delete Class
 */
class Delete extends Base {

	protected static $route_path = 'feeds';

	public function callback( \WP_REST_Request $request ) {

		$feed = json_decode( wp_json_encode( $request->get_param( 'feed_settings' ) ), true );

		if ( ! isset( $feed['id'] ) ) {
			$message = array(
				'message' => esc_html__( 'Feed id not found.', 'insta-gallery' ),
				'code'    => '400',
			);
			return $this->handle_response( $message );
		}
		$feed_id = $feed['id'];

		$models_feed = new Models_Feed();

		$success = $models_feed->delete( $feed_id );

		if ( ! $success ) {
			$response = array(
				'code'    => 404,
				'message' => esc_html__( 'Can\'t delete feed, feed_id not found', 'insta-gallery' ),
			);
			return $this->handle_response( $response );
		}

		if ( ! isset( $feed['account_id'], $feed['limit'], $feed['copyright']['hide'], $feed['reel']['hide'], $feed['source'] ) ) {
			$message = array(
				'message' => esc_html__( 'Bad Request, feed settings attributes not setted.', 'insta-gallery' ),
				'code'    => '400',
			);
			return $this->handle_response( $message );
		}
		// Clear cache
		$feed_min_data = array(
			'account_id'                => $feed['account_id'],
			'limit'                     => $feed['limit'],
			'hide_items_with_copyright' => $feed['copyright']['hide'],
			'hide_reels'                => $feed['reel']['hide'],
		);

		if ( 'tag' === $feed['source'] ) {
			if ( ! isset( $feed['tag'] ) ) {
				$message = array(
					'message' => esc_html__( 'Bad Request, feed tag not setted.', 'insta-gallery' ),
					'code'    => '400',
				);
				return $this->handle_response( $message );
			}
			if ( ! isset( $feed['order_by'] ) ) {
				$message = array(
					'message' => esc_html__( 'Bad Request, feed order by not setted.', 'insta-gallery' ),
					'code'    => '400',
				);
				return $this->handle_response( $message );
			}
			$feed_min_data['order_by'] = $feed['order_by'];
			$feed_min_data['tag']      = $feed['tag'];
		}

		$feed_md5 = md5( wp_json_encode( $feed_min_data ) );

		$cache_key = "feed_{$feed_md5}";

		$cache_engine = new Cache( 6, true, $cache_key );

		$cache_engine->delete( $cache_engine );

		return $this->handle_response( $success );
	}

	public static function get_rest_args() {
		return array(
			'feed_settings' => array(
				'required'          => true,
				'validate_callback' => function( $param, $request, $key ) {
					return is_array( json_decode( wp_json_encode( $param ), true ) );
				},
			),
		);
	}

	public static function get_rest_method() {
		return \WP_REST_Server::DELETABLE;
	}

}