<?php

require __DIR__ . '/vendor/autoload.php';
require __DIR__ . '/php/util.php';

use Twig\Environment;
use Twig\Loader\FilesystemLoader;
use League\CommonMark\CommonMarkConverter;

$converter = new CommonMarkConverter([
    'html_input' => 'strip',
    'allow_unsafe_links' => false,
]);

$util = new Util();

$pageloader = new FilesystemLoader(__DIR__ . '/pages');
$templateloader = new FilesystemLoader(__DIR__ . '/templates');

$twig_pages = new Environment($pageloader);
$twig_templates = new Environment($templateloader);

$title = '';
$content = '';

$topictreff = $twig_templates->render('topictreff.html.twig');
$nextevents = $twig_templates->render('nextevents.html.twig');

$raumstatus_b = $util->raumstatus();
$raumstatus = '<b>unbekannt</b>';

$pages = array('index', 'about', 'treff', 'blog', 'events', 'kontakt', 'support', 'verein');
$page_names = array('index', 'über uns', 'zeiten & location', 'blog', 'events', 'kontakt', 'support', 'verein');

$active_page = '';

if(gettype($raumstatus_b) == "boolean") {
    if($raumstatus_b)
        $raumstatus = $util->html_link('https://status.ctdo.de/', 'green-text', '<b>offen</b>', TRUE);
    else
        $raumstatus = $util->html_link('https://status.ctdo.de/', 'red-text', '<b>geschlossen</b>', TRUE);
}

$topic = $util->get_next_topic();

$treff = $util->get_next_treff();

$repaircafe = $util->get_next_repaircafe();
$repaircafelink = '<a href="/?page=events&id=repaircafe">RepairCafe</a>';
switch ($repaircafe->days) {
    case 0:
        $repaircafe_output = '<p class="topic">Das nächste '.$repaircafelink.' findet heute statt!</p>';
        break;
    case 1:
        $repaircafe_output = '<p class="topic">Das nächste '.$repaircafelink.' findet morgen statt!</p>';
        break;
    default:
        $repaircafe_output = '<p class="topic">Das nächste '.$repaircafelink.' findet in '.$repaircafe->days.' Tagen ['.$repaircafe->date.'] statt.</p>';
        break;
}

$brunch = $util->get_next_brunch();
$brunchlink = '<a href="/?page=events&id=brunch">ChaosBrunch</a>';
switch ($brunch->days) {
    case 0:
        $brunch_output = '<p class="topic">Das nächste '.$brunchlink.' findet heute statt!</p>';
        break;
    case 1:
        $brunch_output = '<p class="topic">Das nächste '.$brunchlink.' findet morgen statt!</p>';
        break;
    default:
        $brunch_output = '<p class="topic">Das nächste '.$brunchlink.' findet in '.$brunch->days.' Tagen ['.$brunch->date.'] statt.</p>';
        break;
}

$css = ['main'];

if(isset($_GET['page'])) {
    $page = $_GET['page'];
    $active_page = $util->str_mass_replace(array('adresse', 'irc', 'mail'), array('kontakt', 'kontakt', 'kontakt'), $page);
    $title = $page_names[array_search($active_page, $pages)];
    switch ($page) {
        case 'index':
            $content = $twig_pages->render('index.html.twig', [ 'topic' => $topic_output, 'posts' => $util->generate_post_list(4) ]);
            $css[] = 'home';
            $css[] = 'events';
            break;
        case 'about':
            $content = $twig_pages->render('about.html.twig');
            $css[] = 'about';
            break;
        case 'treff':
            $content = $twig_pages->render('treff.html.twig');
            break;
        case 'blog':
            if(!isset($_GET['id'])) {
                $content = $twig_pages->render('blog.html.twig', [ 'posts' => $util->generate_post_list() ]);
                $css[] = 'events';
            } else {
                $content = $converter->convert($util->get_post_content($_GET['id']));
                $css[] = 'event';
            }
            break;
        case 'events':
            if(!isset($_GET['id'])) {
                $content = $twig_pages->render('events.html.twig', [ 'topic' => $topic, 'treff' => $treff, 'repaircafe' => $repaircafe, 'brunch' => $brunch, 'events' => $util->generate_event_list() ]);
                $css[] = 'events';
            } else {
                $content = $util->str_mass_replace(array('{{ topicdatum }}', 'Chaostreff Dortmund e.V.', '{{ treffdatum }}', '{{ repaircafedatum }}', '{{ brunchdatum }}'), array($util->get_next_topic()->date, $util->html_link('/?page=treff', '', 'Chaostreff Dortmund e.V.', FALSE), $util->get_next_treff()->date, $util->get_next_repaircafe()->date, $util->get_next_brunch()->date), $converter->convert($util->get_event_content($_GET['id'])));
                $css[] = 'event';
            }
            break;
        case 'kontakt':
            $content = $twig_pages->render('kontakt.html.twig');
            $css[] = 'kontakt';
            break;
        case 'adresse':
            $content = $twig_pages->render('kontakt/adresse.html.twig');
            break;
        case 'irc':
            $content = $twig_pages->render('kontakt/irc.html.twig');
            break;
        case 'mail':
            $content = $twig_pages->render('kontakt/mail.html.twig');
            break;
        case 'tel':
            $content = $twig_pages->render('kontakt/tel.html.twig');
            break;
        case 'support':
            $content = $twig_pages->render('support.html.twig');
            break;
        case 'verein':
            $content = $twig_pages->render('verein.html.twig');
            break;
        case 'impressum':
            $title = 'impressum';
            $content = $twig_pages->render('impressum.html.twig');
            break;
        case 'datenschutz':
            $title = 'datenschutz';
            $content = $twig_pages->render('datenschutz.html.twig');
            break;
        default:
            $content = $twig_pages->render('404.html.twig', ['page' => $_GET['page']]);
            break;
    }
} else {
    $active_page = 'index';
    $title = $active_page;
    $content = $twig_pages->render('index.html.twig', [ 'posts' => $util->generate_post_list(4) ]);
    $css[] = 'home';
    $css[] = 'events';
}

$nav = $util->generate_nav($active_page, $pages, $page_names);

echo $twig_templates->render('html5struct.html.twig', ['title' => $title, 'css' => $css, 'nav' => $nav, 'raumstatus' => $raumstatus, 'main' => $content]);
?>