#!/usr/bin/env node
import fs from 'fs/promises';

const arg = process.argv[2];
const agreementUrl = arg || process.env.USER_AGREEMENT_URL;
const privacyUrl = process.env.USER_PRIVACY_URL || process.argv[3];

async function fetchAndSave(url, outRelative) {
  if (!url) return false;
  console.log('Fetching from:', url);
  const res = await fetch(url);
  if (!res.ok) {
    console.error('Failed to fetch:', url, res.status, res.statusText);
    return false;
  }
  let html = await res.text();

  // Inject <base> to preserve relative asset links
  try {
    const origin = new URL(url).origin;
    if (!/\<base\s+/i.test(html)) {
      html = html.replace(/<head(.*?)>/i, `<head$1><base href="${origin}">`);
    }
  } catch (e) {
    // ignore
  }

  const outPath = new URL(`../public/${outRelative}`, import.meta.url);
  await fs.writeFile(outPath, html, 'utf8');
  console.log(`Saved original HTML to public/${outRelative}`);
  return true;
}

(async () => {
  try {
    let any = false;
    if (agreementUrl) {
      const ok = await fetchAndSave(agreementUrl, 'user-agreement-raw.html');
      any = any || ok;
    }
    if (privacyUrl) {
      const ok = await fetchAndSave(privacyUrl, 'privacy-policy-raw.html');
      any = any || ok;
    }

    if (!any) {
      console.log('No URL provided or all fetches failed. To fetch, set USER_AGREEMENT_URL and/or USER_PRIVACY_URL, or pass URLs as args.');
      process.exit(0);
    }
  } catch (err) {
    console.error('Error fetching or saving:', err);
    process.exit(2);
  }
})();