<?php
require_once __DIR__ . '/../seria.php';

$dTorrentId = (string)filter_input(INPUT_GET, 'id', FILTER_SANITIZE_NUMBER_INT);

header('Content-Type: text/plain; charset=us-ascii');

try {
    $dTorrentInfo = SeriaTorrent::byId($pdo, $dTorrentId);
} catch(SeriaTorrentNotFoundException $ex) {
    http_response_code(404);
    die('Download not found.');
}

$dCanDownload = $dTorrentInfo->canDownload($sUserInfo);
if($dCanDownload !== '') {
    http_response_code(403);
    switch($dCanDownload) {
        case 'inactive':
            die('This download is inactive.');
        case 'private':
            die('You must be logged in for this download.');
        case 'pending':
            die('This download is pending approval.');
        default:
            die($dCanDownload);
    }
}

$trackerUrl = SERIA_ANNOUNCE_URL_ANON;
if($sUserInfo->isLoggedIn())
    $trackerUrl = sprintf(SERIA_ANNOUNCE_URL, $sUserInfo->getPassKey($pdo));

header('Content-Type: application/x-bittorrent');
header('Content-Disposition: inline; filename="' . htmlspecialchars($dTorrentInfo->getName()) . '.torrent"');

echo $dTorrentInfo->encode($trackerUrl);