<?php
declare(strict_types = 1);

namespace TYPO3\CMS\Adminpanel\Middleware;

/*
 * 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!
 */

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Adminpanel\Controller\MainController;
use TYPO3\CMS\Adminpanel\Utility\StateUtility;
use TYPO3\CMS\Core\Http\NullResponse;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;

/**
 * Store request data of current request in cache for rendering in admin panel
 *
 * @internal
 */
class AdminPanelDataPersister implements MiddlewareInterface
{
    /**
     * Render the admin panel if activated
     * @param ServerRequestInterface $request
     * @param RequestHandlerInterface $handler
     * @return ResponseInterface
     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $response = $handler->handle($request);
        if (
            !($response instanceof NullResponse)
            && $GLOBALS['TSFE'] instanceof TypoScriptFrontendController
            && $GLOBALS['TSFE']->isOutputting()
            && StateUtility::isActivatedForUser()
            && StateUtility::isActivatedInTypoScript()
            && !StateUtility::isHiddenForUser()
        ) {
            $mainController = GeneralUtility::makeInstance(MainController::class);
            $mainController->storeData($request);
        }
        return $response;
    }
}