export function saveAuth(token: string, user: any) {
  localStorage.setItem('token', token);
  localStorage.setItem('user', JSON.stringify(user));
}

export function getAuth() {
  if (typeof window === 'undefined') return null;

  const token = localStorage.getItem('token');
  const userStr = localStorage.getItem('user');

  if (!token || !userStr) return null;

  try {
    const user = JSON.parse(userStr);
    return { token, user };
  } catch {
    return null;
  }
}

export function clearAuth() {
  localStorage.removeItem('token');
  localStorage.removeItem('user');
}

export function isAuthenticated() {
  return !!getAuth();
}