import 'dart:developer';

import '../api/marianumconnect/queries/auth_logout/auth_logout.dart';
import '../auth_link/guardian_link_listener.dart';
import '../push/push_registration.dart';
import 'session_manager.dart';

abstract final class SessionLifecycle {
  /// Ordered teardown: unregister push and revoke the Nextcloud app passwords
  /// (while those credentials still exist), then revoke the MC bearer token,
  /// finally wipe the local session. Each step is best-effort so an offline
  /// sign-out still reaches a clean local state.
  static Future<void> signOut() async {
    try {
      await PushRegistration().logoutCleanup();
    } on Object catch (e) {
      log('Sign-out: push cleanup failed: $e');
    }
    await AuthLogout().run();
    await SessionManager().signOut();
    // A login link that arrived while signed in must not be replayed on the
    // login screen that follows.
    GuardianLinkListener.clear();
  }
}