<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2023 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Http\Middleware;

use Fig\Http\Message\RequestMethodInterface;
use Fisharebest\Webtrees\Services\UpgradeService;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;

/**
 * Middleware to check if a new version of webtrees is available.
 */
class CheckForNewVersion implements MiddlewareInterface
{
    private UpgradeService $upgrade_service;

    /**
     * @param UpgradeService $upgrade_service
     */
    public function __construct(UpgradeService $upgrade_service)
    {
        $this->upgrade_service = $upgrade_service;
    }

    /**
     * @param ServerRequestInterface  $request
     * @param RequestHandlerInterface $handler
     *
     * @return ResponseInterface
     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        // Only run on full page requests.
        if ($request->getMethod() === RequestMethodInterface::METHOD_GET && $request->getHeaderLine('X-Requested-With') === '') {
            $this->upgrade_service->isUpgradeAvailable();
        }

        return $handler->handle($request);
    }
}