<?php

declare(strict_types=1);

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

namespace TYPO3\CMS\Core\Http;

use Psr\Container\ContainerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Backend\Http\Application as BackendApplication;
use TYPO3\CMS\Core\Routing\BackendEntryPointResolver;
use TYPO3\CMS\Frontend\Http\Application as FrontendApplication;

final readonly class RequestHandler implements RequestHandlerInterface
{
    public function __construct(
        private ContainerInterface $container,
        private BackendEntryPointResolver $backendEntryPointResolver,
    ) {}

    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        if ($this->container->has(BackendApplication::class) && $this->backendEntryPointResolver->isBackendRoute($request)) {
            return $this->container->get(BackendApplication::class)->handle($request);
        }

        if ($this->container->has(FrontendApplication::class)) {
            return $this->container->get(FrontendApplication::class)->handle($request);
        }

        throw new \Exception('TYPO3 is not configured. Please install typo3/cms-backend and/or typo3/cms-frontend', 1704788092);
    }
}