<?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\Backend\Controller;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Clipboard\Clipboard;
use TYPO3\CMS\Backend\ContextMenu\ContextMenu;
use TYPO3\CMS\Core\Http\JsonResponse;
use TYPO3\CMS\Core\Utility\GeneralUtility;

/**
 * Script Class for the Context Sensitive Menu in TYPO3
 * @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API.
 */
class ContextMenuController
{
    /**
     * Renders a context menu
     */
    public function getContextMenuAction(ServerRequestInterface $request): ResponseInterface
    {
        $contextMenu = GeneralUtility::makeInstance(ContextMenu::class);

        $params = $request->getQueryParams();
        $table = $params['table'] ?? '';
        $identifier = $params['uid'] ?? '';
        $context = $params['context'] ?? '';

        if ($table === '' || $identifier === '') {
            return new JsonResponse([], 400);
        }

        $items = $contextMenu->getItems($table, $identifier, $context);
        return new JsonResponse($items);
    }

    public function clipboardAction(ServerRequestInterface $request): ResponseInterface
    {
        $clipboard = GeneralUtility::makeInstance(Clipboard::class);
        $clipboard->initializeClipboard($request);
        $clipboard->lockToNormal();

        $queryParams = $request->getQueryParams();
        $parsedBody = $request->getParsedBody();
        $clipboardCommand = array_replace_recursive($queryParams['CB'] ?? [], $parsedBody['CB'] ?? []);

        // URL-decoded keys are required for the clipboard to recognize file identifiers (e.g. _FILE|...)
        if (isset($clipboardCommand['el']) && is_array($clipboardCommand['el'])) {
            $decodedElements = [];
            foreach ($clipboardCommand['el'] as $key => $value) {
                $decodedElements[urldecode((string)$key)] = $value;
            }
            $clipboardCommand['el'] = $decodedElements;
        }

        $clipboard->setCmd($clipboardCommand);
        $clipboard->cleanCurrent();
        $clipboard->endClipboard();

        return new JsonResponse([]);
    }
}