Famous.ai Auth Template

// ============================================
// COPY THIS INTO YOUR FAMOUS.AI GAME
// File: src/utils/platformAuth.ts (or similar)
// ============================================

const VERIFY_TOKEN_URL = 'https://snappyidioms.com/api/verifyGameToken';

interface AuthResult {
  valid: boolean;
  user_id?: string;
  email?: string;
  name?: string;
  isPremium?: boolean;
  expires_at?: number;
  error?: string;
  expired?: boolean;
}

export async function initializePlatformAuth(): Promise<AuthResult | null> {
  console.log('[PlatformAuth] Starting initialization...');
  
  // ✅ STEP 1: Check for JWT token FIRST (highest priority)
  const urlParams = new URLSearchParams(window.location.search);
  const jwtToken = urlParams.get('auth');
  
  if (jwtToken) {
    console.log('[PlatformAuth] JWT token found in URL, validating...');
    
    try {
      // Validate token server-side
      const response = await fetch(VERIFY_TOKEN_URL, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ token: jwtToken })
      });
      
      const result: AuthResult = await response.json();
      
      if (result.valid) {
        console.log('[PlatformAuth] ✅ JWT validated, user:', result.email);
        
        // Store auth data in localStorage
        localStorage.setItem('snappy_platform_token', jwtToken);
        localStorage.setItem('snappy_user_email', result.email || '');
        localStorage.setItem('snappy_username', result.name || '');
        localStorage.setItem('snappy_is_premium', String(result.isPremium || false));
        localStorage.setItem('snappy_is_guest', 'false');
        
        // Clean URL (remove token for security)
        const cleanUrl = window.location.pathname;
        window.history.replaceState({}, '', cleanUrl);
        
        return result;
      } else {
        console.warn('[PlatformAuth] ❌ JWT validation failed:', result.error);
        
        // Token invalid but DO NOT redirect - fall through to guest mode
        if (result.expired) {
          console.log('[PlatformAuth] Token expired, clearing storage');
          localStorage.removeItem('snappy_platform_token');
        }
      }
    } catch (error) {
      console.error('[PlatformAuth] Verification request failed:', error);
    }
  }
  
  // ✅ STEP 2: Check localStorage for existing session
  const storedToken = localStorage.getItem('snappy_platform_token');
  const storedEmail = localStorage.getItem('snappy_user_email');
  
  if (storedToken && storedEmail) {
    console.log('[PlatformAuth] Found stored session for:', storedEmail);
    return {
      valid: true,
      email: storedEmail,
      name: localStorage.getItem('snappy_username') || '',
      isPremium: localStorage.getItem('snappy_is_premium') === 'true'
    };
  }
  
  // ✅ STEP 3: Guest mode (no redirects!)
  console.log('[PlatformAuth] No valid auth, entering guest mode');
  localStorage.setItem('snappy_is_guest', 'true');
  
  return null; // Indicates guest mode
}

// ============================================
// HOW TO USE IN YOUR GAME COMPONENT
// ============================================

/*
import { initializePlatformAuth } from './utils/platformAuth';

function App() {
  const [authState, setAuthState] = useState<'loading' | 'authenticated' | 'guest'>('loading');
  const [user, setUser] = useState(null);

  useEffect(() => {
    async function authenticate() {
      const result = await initializePlatformAuth();
      
      if (result && result.valid) {
        setAuthState('authenticated');
        setUser(result);
        // ✅ SKIP AUTH MODAL - proceed directly to game
      } else {
        setAuthState('guest');
        // ✅ Show guest modal but DO NOT redirect to SnappyIdioms.com
      }
    }
    
    authenticate();
  }, []);

  if (authState === 'loading') {
    return <LoadingScreen />;
  }

  if (authState === 'guest') {
    return <GuestModeModal />; // Let them play as guest or sign up
  }

  return <GameInterface user={user} />;
}
*/