<?php

/*
 * @copyright Copyright (c) 2019 Sergio Brighenti <sergio@brighenti.me>
 *
 * @author Sergio Brighenti <sergio@brighenti.me>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */

namespace App\Controllers;

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;

class ThemeController extends Controller
{
    /**
     * @param Response $response
     *
     * @return Response
     */
    public function getThemes(Response $response): Response
    {
        $apiJson = json_decode(file_get_contents('https://bootswatch.com/api/4.json'));

        $out = array();

        $out['Default - Bootstrap 4 default theme'] = 'https://bootswatch.com/_vendor/bootstrap/dist/css/bootstrap.min.css';
        foreach ($apiJson->themes as $theme) {
            $out["{$theme->name} - {$theme->description}"] = $theme->cssMin;
        }

        return json($response, $out);
    }

    /**
     * @param Request  $request
     * @param Response $response
     *
     * @return Response
     */
    public function applyTheme(Request $request, Response $response): Response
    {
        if (!is_writable(BASE_DIR.'static/bootstrap/css/bootstrap.min.css')) {
            $this->session->alert(lang('cannot_write_file'), 'danger');

            return redirect($response, route('system'));
        }

        file_put_contents(BASE_DIR.'static/bootstrap/css/bootstrap.min.css', file_get_contents(param($request, 'css')));

        return redirect($response, route('system'));
    }
}