/**
 * Auth Feature Flow Tests
 * 
 * These tests verify routing, guards, navigation, cross-screen state, and user flows
 * for the auth module. They run with real frontend and mocked contracts.
 * 
 * Contracts are defined in apps/website/lib/types/generated
 * 
 * @file apps/website/tests/flows/auth.test.ts
 */

describe('Auth Feature Flow', () => {
  describe('Login Flow', () => {
    it('should navigate to login page', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Verify login form is displayed
      // - Check for email and password inputs
    });

    it('should display validation errors for empty fields', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Click submit without entering credentials
      // - Verify validation errors are shown
    });

    it('should display validation errors for invalid email format', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Enter invalid email format
      // - Verify validation error is shown
    });

    it('should successfully login with valid credentials', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Mock LoginParamsDTO and AuthSessionDTO response
      // - Enter valid email and password
      // - Click submit
      // - Verify authentication is successful
      // - Verify redirect to dashboard or intended page
    });

    it('should handle login with remember me option', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Check remember me checkbox
      // - Enter valid credentials
      // - Click submit
      // - Verify AuthSessionDTO is stored with longer expiration
    });

    it('should handle login errors (invalid credentials)', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Mock API to return authentication error
      // - Enter credentials
      // - Click submit
      // - Verify error message is displayed
      // - Verify form remains in error state
    });

    it('should handle login errors (server/network error)', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Mock API to return 500 error
      // - Enter credentials
      // - Click submit
      // - Verify generic error message is shown
    });

    it('should redirect to dashboard if already authenticated', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to /auth/login
      // - Verify redirect to dashboard
    });

    it('should navigate to forgot password from login', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Click forgot password link
      // - Verify navigation to /auth/forgot-password
    });

    it('should navigate to signup from login', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Click signup link
      // - Verify navigation to /auth/signup
    });
  });

  describe('Signup Flow', () => {
    it('should navigate to signup page', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Verify signup form is displayed
      // - Check for required fields (email, password, displayName)
    });

    it('should display validation errors for empty required fields', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Click submit without entering any data
      // - Verify validation errors for all required fields
    });

    it('should display validation errors for weak password', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Enter password that doesn't meet requirements
      // - Verify password strength validation error
    });

    it('should successfully signup with valid data', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Mock SignupParamsDTO and AuthSessionDTO response
      // - Enter valid email, password, and display name
      // - Click submit
      // - Verify authentication is successful
      // - Verify redirect to onboarding or dashboard
    });

    it('should handle signup with optional iRacing customer ID', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Enter valid credentials
      // - Enter optional iRacing customer ID
      // - Click submit
      // - Verify SignupParamsDTO includes iRacingCustomerId
    });

    it('should handle signup errors (email already exists)', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Mock API to return email conflict error
      // - Enter credentials
      // - Click submit
      // - Verify error message about existing account
    });

    it('should handle signup errors (server error)', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Mock API to return 500 error
      // - Enter valid credentials
      // - Click submit
      // - Verify generic error message is shown
    });

    it('should navigate to login from signup', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Click login link
      // - Verify navigation to /auth/login
    });

    it('should handle password visibility toggle', () => {
      // TODO: Implement test
      // - Navigate to /auth/signup
      // - Enter password
      // - Click show/hide password toggle
      // - Verify password visibility changes
    });
  });

  describe('Forgot Password Flow', () => {
    it('should navigate to forgot password page', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Verify forgot password form is displayed
      // - Check for email input field
    });

    it('should display validation error for empty email', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Click submit without entering email
      // - Verify validation error is shown
    });

    it('should display validation error for invalid email format', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Enter invalid email format
      // - Verify validation error is shown
    });

    it('should successfully submit forgot password request', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Mock ForgotPasswordDTO response
      // - Enter valid email
      // - Click submit
      // - Verify success message is displayed
      // - Verify form is in success state
    });

    it('should handle forgot password errors (email not found)', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Mock API to return email not found error
      // - Enter email
      // - Click submit
      // - Verify error message is displayed
    });

    it('should handle forgot password errors (rate limit)', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Mock API to return rate limit error
      // - Enter email
      // - Click submit
      // - Verify rate limit message is shown
    });

    it('should navigate back to login from forgot password', () => {
      // TODO: Implement test
      // - Navigate to /auth/forgot-password
      // - Click back/login link
      // - Verify navigation to /auth/login
    });
  });

  describe('Reset Password Flow', () => {
    it('should navigate to reset password page with token', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Verify reset password form is displayed
      // - Check for new password and confirm password inputs
    });

    it('should display validation errors for empty password fields', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Click submit without entering passwords
      // - Verify validation errors are shown
    });

    it('should display validation error for non-matching passwords', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Enter different passwords in new and confirm fields
      // - Verify validation error is shown
    });

    it('should display validation error for weak new password', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Enter weak password
      // - Verify password strength validation error
    });

    it('should successfully reset password', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Mock successful password reset response
      // - Enter matching valid passwords
      // - Click submit
      // - Verify success message is displayed
      // - Verify redirect to login page
    });

    it('should handle reset password with invalid token', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=invalid
      // - Mock API to return invalid token error
      // - Verify error message is displayed
      // - Verify form is disabled
    });

    it('should handle reset password with expired token', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=expired
      // - Mock API to return expired token error
      // - Verify error message is displayed
      // - Verify link to request new reset email
    });

    it('should handle reset password errors (server error)', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Mock API to return 500 error
      // - Enter valid passwords
      // - Click submit
      // - Verify generic error message is shown
    });

    it('should navigate to login from reset password', () => {
      // TODO: Implement test
      // - Navigate to /auth/reset-password?token=abc123
      // - Click login link
      // - Verify navigation to /auth/login
    });
  });

  describe('Logout Flow', () => {
    it('should successfully logout from authenticated session', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to dashboard
      // - Click logout button
      // - Verify AuthSessionDTO is cleared
      // - Verify redirect to login page
    });

    it('should handle logout errors gracefully', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Mock logout API to return error
      // - Click logout button
      // - Verify session is still cleared locally
      // - Verify redirect to login page
    });

    it('should clear all auth-related state on logout', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to various pages
      // - Click logout
      // - Verify all auth state is cleared
      // - Verify no auth data persists
    });
  });

  describe('Auth Route Guards', () => {
    it('should redirect unauthenticated users to login', () => {
      // TODO: Implement test
      // - Navigate to protected route (e.g., /dashboard)
      // - Verify redirect to /auth/login
      // - Check return URL parameter
    });

    it('should allow access to authenticated users', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to protected route
      // - Verify page loads successfully
    });

    it('should handle session expiration during navigation', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to protected route
      // - Mock session expiration
      // - Attempt navigation to another protected route
      // - Verify redirect to login
    });

    it('should maintain return URL after authentication', () => {
      // TODO: Implement test
      // - Attempt to access protected route without auth
      // - Verify redirect to login with return URL
      // - Login successfully
      // - Verify redirect back to original protected route
    });

    it('should redirect authenticated users away from auth pages', () => {
      // TODO: Implement test
      // - Mock existing AuthSessionDTO
      // - Navigate to /auth/login
      // - Verify redirect to dashboard
    });
  });

  describe('Auth Cross-Screen State Management', () => {
    it('should preserve form data when navigating between auth pages', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Enter email
      // - Navigate to /auth/forgot-password
      // - Navigate back to /auth/login
      // - Verify email is preserved
    });

    it('should clear form data after successful authentication', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Enter credentials
      // - Login successfully
      // - Navigate back to /auth/login
      // - Verify form is cleared
    });

    it('should handle concurrent auth operations', () => {
      // TODO: Implement test
      // - Navigate to /auth/login
      // - Click submit multiple times quickly
      // - Verify only one request is sent
      // - Verify loading state is managed
    });
  });

  describe('Auth UI State Management', () => {
    it('should show loading states during auth operations', () => {
      // TODO: Implement test
      // - Mock delayed auth response
      // - Submit login form
      // - Verify loading spinner is shown
      // - Verify loading state is cleared after completion
    });

    it('should handle error states gracefully', () => {
      // TODO: Implement test
      // - Mock various auth error scenarios
      // - Verify error banners/messages are displayed
      // - Verify UI remains usable after errors
    });

    it('should handle network connectivity issues', () => {
      // TODO: Implement test
      // - Mock network failure
      // - Attempt auth operation
      // - Verify network error message is shown
      // - Verify retry option is available
    });
  });
});