<?php

namespace App\Controllers;

use Slim\Http\Request;
use Slim\Http\Response;

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

        $out = [];

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

        return $response->withJson($out);
    }


    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, 'system');
        }

        file_put_contents(BASE_DIR . 'static/bootstrap/css/bootstrap.min.css', file_get_contents($request->getParam('css')));
        return redirect($response, 'system');
    }
}