(function () {
  const params = new URLSearchParams(window.location.search);
  const host = (params.get('host') || '').trim();
  const subEl = document.getElementById('sub');
  const suggestionEl = document.getElementById('suggestion');

  if (host) {
    if (subEl) subEl.textContent = 'You tried to open: ' + host + '.host.test';
    const suggestedHost = host + '.hs';
    const proxyPort = 8443;
    const suggestedUrl = 'https://' + suggestedHost + ':' + proxyPort + '/';
    if (suggestionEl) {
      suggestionEl.innerHTML = 'Use this address instead: <a href="' + suggestedUrl + '" id="go">' + suggestedUrl + '</a>';
      const link = document.getElementById('go');
      if (link) link.addEventListener('click', function (e) { e.preventDefault(); window.location.href = suggestedUrl; });
    }
  } else {
    if (suggestionEl) suggestionEl.textContent = 'Use a hostname ending in .hs (e.g. myapp.hs) and add it in the Holesail Dashboard.';
  }
})();