<?php

require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/../config.php';

/* Initialize Twig engine */
$loader = new \Twig\Loader\FilesystemLoader(__DIR__ . '/../templates');
$twig = new \Twig\Environment($loader, [
    'cache' => __DIR__ . '/../cache',
    'auto_reload' => true,
]);

$utils = new App\Utils;

$data = "";
$domain = "";
$uri = "";
$result = [];
$error = "";

// Get request data
if (isset($query) && !empty($query)) {
    $data = $query;
} else if (isset($_POST["q"])) {
    $data = $_POST["q"];
}

// Check if request contain uri path
if (strpos($data, "/")) {
    $a = explode ("/", $data, 2);
    $domain = htmlspecialchars($a[0]);
    $uri = $a[1];
} else {
    $domain = htmlspecialchars($data);
}

// Check domain name
if(!empty($domain) && !$utils->isValidDomain($domain, $error)) {
    $domain = "";
    $result["error"] = 'Not valid query: ' . $error;
}
else if(!empty($domain) && $utils->isValidDomain($domain, $error)) {
    if ((new App\Utils)->isPunycodeDomain($domain)) {
        $domain = idn_to_utf8($domain, 0, INTL_IDNA_VARIANT_UTS46);
    }

    $pdo = (new App\DB($options))->pdo;

    $STH = $pdo->query("SELECT `host`, `base64`, `base32`, `add_date`, `last_seen`, `blacklisted` FROM `hosts` WHERE `host` = '" . $domain . "' LIMIT 1");
    $STH->setFetchMode(PDO::FETCH_ASSOC);
    $row = $STH->fetchAll();

    if (empty($row)) {
        $result["error"] = "No such host is found";
    } else {
        $result = array_merge($result, $row[0]);
        if (!empty($uri)) {
            $result['uri'] = $uri;
        }
    }
}

$template = $twig->load('jump.twig');
echo $template->render(['domain' => $domain, 'result' => $result]);