const BASE = "https://p.savenow.to";const DEFAULT_APIKEY = "dfcb6d76f2f6a9894gjkege8a4ab232222";const REFERER = "https://en.loader.to/";const FORMATS = ["mp3", "m4a", "webm", "aac", "flac", "opus", "ogg", "wav", "144", "240", "360", "480", "720", "1080", "1440", "4k"];const baseHeaders = {  "accept": "*/*",  "accept-language": "id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7",  "cache-control": "no-cache",  "pragma": "no-cache",  "Referer": REFERER};function sleep(ms) {  return new Promise((resolve) => setTimeout(resolve, ms));}async function health() {  try {    await fetch(`${BASE}/api/health`, { method: "HEAD", headers: baseHeaders });  } catch (_) {}}async function requestDownload(sourceUrl, format, apikey, addInfo) {  const params = new URLSearchParams({ format, url: sourceUrl, apikey });  if (addInfo) params.set("add_info", "1");  const res = await fetch(`${BASE}/api/v2/download?${params.toString()}`, { headers: baseHeaders });  const data = await res.json();  if (!data.success) throw new Error(data.error || "permintaan download ditolak oleh server");  return data;}async function checkProgress(id) {  const res = await fetch(`${BASE}/api/progress?id=${encodeURIComponent(id)}&_=${Date.now()}`, { headers: baseHeaders });  return res.json();}function isFailureStatus(progress) {  if (progress.error) return true;  const text = (progress.text || "").toLowerCase();  return text.includes("fail") || text.includes("error") || text.includes("gagal");}async function waitForResult(id, { intervalMs = 1500, maxAttempts = 60 } = {}) {  for (let attempt = 0; attempt < maxAttempts; attempt++) {    const progress = await checkProgress(id);    if (progress.download_url) return progress;    if (isFailureStatus(progress)) throw new Error(progress.text || progress.error || "proses download gagal");    await sleep(intervalMs);  }  throw new Error("timeout menunggu hasil download");}async function probe(url) {  try {    const res = await fetch(url, { method: "HEAD", headers: { Referer: REFERER } });    return {      ok: res.ok,      status: res.status,      contentType: res.headers.get("content-type") || null,      contentLength: res.headers.get("content-length") ? Number(res.headers.get("content-length")) : null    };  } catch (_) {    return null;  }}async function download(sourceUrl, format, options = {}) {  if (!sourceUrl) throw new Error("url wajib diisi");  if (!FORMATS.includes(format)) throw new Error(`format tidak dikenal, pilih salah satu: ${FORMATS.join(", ")}`);  const apikey = options.apikey || DEFAULT_APIKEY;  const addInfo = options.addInfo !== false;  await health();  const initial = await requestDownload(sourceUrl, format, apikey, addInfo);  let final = initial;  if (!initial.url && !initial.download_url) {    final = await waitForResult(initial.id, options);  }  const downloadUrl = final.download_url || final.url || initial.url;  const fileInfo = options.probe === false ? null : await probe(downloadUrl);  return {    tool: "loaderto-wrapper by ShanMolvyr",    success: true,    sourceUrl,    format,    id: initial.id,    title: initial.info ? initial.info.title || null : null,    thumbnail: initial.info ? initial.info.image || null : null,    downloadUrl,    filename: final.filename || null,    expiresIn: final.expires_in || null,    file: fileInfo  };}async function main() {  const [sourceUrl, format = "mp3", apikey] = process.argv.slice(2);  try {    const result = await download(sourceUrl, format, { apikey });    console.log(JSON.stringify(result, null, 2));  } catch (err) {    console.log(JSON.stringify({ tool: "loaderto-wrapper by ShanMolvyr", success: false, error: err.message }, null, 2));    process.exitCode = 1;  }}if (require.main === module) {  main();}module.exports = { download, FORMATS };