/**
 * Auth utilities for managing authentication state
 */

/**
 * Get the authentication token from cookies or localStorage
 */
export function getAuthToken(): string | null {
  return document.cookie
    .split('; ')
    .find(row => row.startsWith('Authorization='))
    ?.split('=')[1] || localStorage.getItem('Authorization');
}

/**
 * Check if the user is logged in
 */
export function isLoggedIn(): boolean {
  return !!getAuthToken();
}

/**
 * Logout the user by removing auth tokens and redirecting
 */
export async function logoutUser(): Promise<void> {
  const token = getAuthToken();
  
  if (token) {
    try {
      await fetch(`${process.env.NEXT_PUBLIC_API_URL}/auth/logout`, {
        method: 'POST',
        headers: {
          'Authorization': `Bearer ${token}`,
          'Content-Type': 'application/json'
        }
      }).catch(err => {
        console.warn('Server logout failed:', err);
      });
    } catch (error) {
      console.warn('Error during server logout:', error);
    }
  }
  
  // Remove the auth token from cookies
  document.cookie = 'Authorization=; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT; Secure; SameSite=Strict';
  
  // Remove from localStorage as backup
  localStorage.removeItem('Authorization');
  
  // Redirect to login page
  window.location.href = '/auth/login';
}