<?php
declare( strict_types=1 );

namespace ACP\Editing\BulkDelete;

use AC\Request;
use AC\Response;
use ACP;
use Exception;

abstract class RequestHandler implements ACP\Editing\RequestHandler {

	const STATUS_FAILED = 'failed';
	const STATUS_SUCCESS = 'success';

	abstract protected function delete( $id, array $args = [] ): void;

	public function handle( Request $request ) {
		$response = new Response\Json();

		$ids = $request->filter( 'ids', false, FILTER_VALIDATE_INT, FILTER_REQUIRE_ARRAY );

		if ( $ids === false ) {
			$response->error();
		}

		$args = $request->get( 'arguments', [] );

		$results = [];

		foreach ( $ids as $id ) {
			$error = null;
			$status = self::STATUS_SUCCESS;

			try {
				$this->delete( $id, $args );
			} catch ( Exception $e ) {
				$error = $e->getMessage();
				$status = self::STATUS_FAILED;
			}

			$results[] = [
				'id'     => $id,
				'error'  => $error,
				'status' => $status,
			];
		}

		$response
			->set_parameter( 'results', $results )
			->set_parameter( 'total', count( $results ) )
			->success();
	}

}