<?php

require_once 'vendor/autoload.php';
require_once 'mysql_adapter.php';

// $sql = mysqli_connect('mysql', 'root', 'example', 'dragon_fire');

$adapter = new MySQLAdapter();

//if (!$sql)
// {
//    echo 'Connection failed<br>';
//    echo 'Error number: ' . mysqli_connect_errno() . '<br>';
//    echo 'Error message: ' . mysqli_connect_error() . '<br>';
//    die();
// }

$loader = new \Twig\Loader\FilesystemLoader(['./templates', './user_content']);

$twig = new \Twig\Environment($loader,['debug' => true]);
$twig->addExtension(new Twig\Extra\Markdown\MarkdownExtension());

use Twig\Extra\Markdown\DefaultMarkdown;
use Twig\Extra\Markdown\MarkdownRuntime;
use Twig\RuntimeLoader\RuntimeLoaderInterface;

$twig->addRuntimeLoader(new class implements RuntimeLoaderInterface {
    public function load($class) {
        if (MarkdownRuntime::class === $class) {
            return new MarkdownRuntime(new DefaultMarkdown());
        }
    }
});

$SURI = $_SERVER['REQUEST_URI'];

if($SURI == '/') {
    echo $twig->render('root.html');
} elseif(preg_match('/^\/api/', $SURI)) {
    if(preg_match('/^\/api\/posts(.*)$/', $SURI, $match)) {

        header('Content-Type: application/json');
        echo json_encode($adapter->get_post_by_path($match[1]));

    } elseif(preg_match('/^\/api\/subposts(.*)$/', $SURI, $match)) {

        header('Content-Type: application/json');
        echo json_encode(get_subposts($match[1]));
    } elseif($SURI == '/api/upload') {
        
        if(array_key_exists('post_data', $_FILES)) {


            $adapter->handle_upload($_POST['post_path'], $_FILES['post_data']['tmp_name']);
        }

        echo $twig->render('upload.html');
    }
} elseif($_SERVER['HTTP_SEC_FETCH_DEST'] == 'image') {
    header('Location: /raw' . $SURI);
    exit(0);
} elseif(true) {
    $post = $adapter->get_post_by_path($SURI);

    if($post['post_metadata']['type'] == 'directory') {
        if(preg_match('/^(.*[^\/])((?:#.*)?)$/', $SURI, $match)) {
            header('Location: ' . $match[1] . '/' . $match[2]);
            exit(0);
        }

        echo $twig->render('post_types/directory.html', [ 
            "post" => $post,
            "subposts" => $post['subposts']
        ]);
    }
    elseif($post['post_metadata']['type'] == 'text/markdown') {
        echo $twig->render('post_types/markdown.html', [ 
            "post" => $post,
            "subposts" => $post['subposts']
        ]);
    }
    elseif($post['post_metadata']['type'] == 'file') {
        echo $twig->render('post_types/image.html', [
            "post" => $post
        ]);
    }

} else {
	echo $twig->render('rrror.html',[
        "error_code" => '404 Hoard not found!',
		"error_description" => "Well, we searched 
            far and wide for `" . $SURI . "` but 
            somehow it must have gotten lost... Sorry!"
	]);	
}

?>