const NATIVE_CALL_APP_BUNDLE_IDS = [
  "us.zoom.xos",
  "us.zoom.ZoomClips",
  "com.microsoft.teams2",
  "com.microsoft.teams",
] as const;

const BROWSER_CALL_APP_BUNDLE_IDS = [
  "com.google.Chrome",
  "company.thebrowser.Browser",
  "com.apple.Safari",
  "org.mozilla.firefox",
] as const;

function isHost(hostname: string, host: string): boolean {
  return hostname === host || hostname.endsWith(`.${host}`);
}

/**
 * Limit microphone-use monitoring to the app that can own this meeting.
 * Browser bundles are included only when the calendar join URL identifies a
 * browser-hosted provider, so another tab using the microphone cannot end a
 * native Zoom or Teams recording.
 */
export function callAppBundleIdsForJoinUrl(joinUrl?: string | null): string[] {
  if (!joinUrl) return [...NATIVE_CALL_APP_BUNDLE_IDS];

  try {
    const hostname = new URL(joinUrl).hostname.toLowerCase();
    if (isHost(hostname, "meet.google.com")) {
      return [...BROWSER_CALL_APP_BUNDLE_IDS];
    }
    if (isHost(hostname, "teams.microsoft.com")) {
      return [...NATIVE_CALL_APP_BUNDLE_IDS, ...BROWSER_CALL_APP_BUNDLE_IDS];
    }
  } catch {
    // Native Zoom and Teams remain the safe fallback for malformed URLs.
  }

  return [...NATIVE_CALL_APP_BUNDLE_IDS];
}