<?php

$config = include __DIR__ . '/config/config.php';
require_once __DIR__ . '/lib/Helper.php';
require_once __DIR__ . '/lib/Session.php';

$session = new Session();

$lang = (isset($_GET['lang']) && $_GET['lang'] === 'en') ? 'en' : 'de';
Helper::setLang($lang);
$session->set('lang', $lang);

$loadFile = function($filename) {
    global $config, $session, $lang;

    ob_start();
    include $filename;
    return ob_get_clean();
};

$action = isset($_GET['action']) ? $_GET['action'] : null;
if(!$action) {
    $action = 'main';
}

$content = null;

switch ($action) {
    case 'main':
        $content = $loadFile('view/main.php');
        break;
    case 'leistungen':
        $content = $loadFile('view/services.php');
        break;
    case 'praxis':
        $content = $loadFile('view/practice.php');
        break;
    case 'team':
        $content = $loadFile('view/team.php');
        break;
    case 'ersttermin':
        $content = $loadFile('view/first-appointment.php');
        break;
    case 'kontakt':
        $content = $loadFile('view/contact.php');
        break;
    case 'kontakt-formular':
        $content = $loadFile('view/contact-form.php');
        break;
    case 'impressum':
        $content = $loadFile('view/imprint.php');
        break;
    case 'datenschutz':
        $content = $loadFile('view/terms.php');
        break;
    default:
        http_response_code(404);
        $action = '404';
        $content = $loadFile('view/error.php');
}

if($content) {
    include_once 'view/frontend.php';
}