<?php

/**
 * 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; under version 2
 * of the License (non-upgradable).
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2020 (original work) Open Assessment Technologies SA;
 */

declare(strict_types=1);

namespace App\Action\Tool\Ajax\Ags;

use Exception;
use OAT\Library\Lti1p3Ags\Voter\ScopePermissionVoter;
use OAT\Library\Lti1p3Core\Registration\RegistrationRepositoryInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Twig\Environment;

class PrepareCreateLineItemServiceClientAction
{
    /** @var Environment */
    private $twig;

    /** @var RegistrationRepositoryInterface */
    private $repository;

    public function __construct(
        Environment $twig,
        RegistrationRepositoryInterface $repository
    ) {
        $this->twig = $twig;
        $this->repository = $repository;
    }

    public function __invoke(Request $request): Response
    {
        try {
            $registration = $this->repository->find($request->get('registration'));

            $permissions = ScopePermissionVoter::getPermissions(explode(',', $request->get('scopes')));

            $mode = $request->get('mode');

            $actions = [];

            if ($permissions['canWriteLineItem'] ?? false) {
                $actions[] = 'create';
            }

            return new JsonResponse(
                [
                    'title' => 'Line item creation',
                    'body' => $this->twig->render(
                        'tool/ajax/ags/createLineItem.html.twig',
                        [
                            'registration' => $registration,
                            'containerUrl' => $request->get('containerUrl'),
                            'mode' => $mode
                        ]
                    ),
                    'actions' => $this->twig->render(
                        'tool/ajax/ags/actionsLineItem.html.twig',
                        [
                            'registration' => $registration,
                            'mode' => $mode,
                            'actions' => $actions,
                            'scopes' => $request->get('scopes')
                        ]
                    ),
                ]
            );
        } catch (Exception $exception) {
            return new JsonResponse(
                [
                    'title' => 'Line item creation',
                    'flashes' => $this->twig->render(
                        'notification/flashes.html.twig',
                        [
                            'flashes' => [
                                'error' => [
                                    sprintf('Line item creation error: %s', $exception->getMessage())
                                ]
                            ]
                        ]
                    ),
                    'body' => '',
                    'actions' => ''
                ]
            );
        }
    }
}