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

describe('Drivers Feature Flow', () => {
  describe('Drivers List Navigation', () => {
    it('should navigate to drivers list page', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Verify drivers list page loads successfully
      // - Check for expected page elements (header, search, leaderboard)
    });

    it('should redirect to login when accessing drivers without authentication', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Verify redirect to /auth/login
      // - Check return URL parameter
    });

    it('should allow access to drivers list with valid authentication', () => {
      // TODO: Implement test
      // - Mock AuthSessionDTO
      // - Navigate to /drivers
      // - Verify drivers list loads successfully
      // - Check for expected drivers list elements
    });

    it('should navigate from drivers list to driver profile', () => {
      // TODO: Implement test
      // - Login and navigate to /drivers
      // - Click on a driver profile link
      // - Verify navigation to /drivers/[id]
      // - Check URL includes driver ID
    });

    it('should handle direct navigation to drivers routes', () => {
      // TODO: Implement test
      // - Login and attempt direct navigation to /drivers
      // - Verify drivers list renders correctly
      // - Check URL remains /drivers
    });
  });

  describe('Drivers List Data Flow', () => {
    it('should load and display drivers leaderboard data', () => {
      // TODO: Implement test
      // - Mock DriversPageQuery response with DriversLeaderboardDTO
      // - Navigate to /drivers
      // - Verify drivers are displayed in leaderboard
      // - Check for expected driver fields (name, rating, country, etc.)
    });

    it('should display driver statistics summary', () => {
      // TODO: Implement test
      // - Mock DriversLeaderboardDTO with totalRaces, totalWins, activeCount
      // - Navigate to /drivers
      // - Verify statistics are displayed (total races, wins, active drivers)
    });

    it('should handle empty drivers list gracefully', () => {
      // TODO: Implement test
      // - Mock DriversPageQuery with empty drivers array
      // - Navigate to /drivers
      // - Verify empty state message is shown
      // - Check UI remains functional
    });

    it('should handle drivers data loading errors', () => {
      // TODO: Implement test
      // - Mock DriversPageQuery to return error
      // - Navigate to /drivers
      // - Verify error handling (error banner/message)
      // - Check error logging
    });

    it('should handle drivers access denied (403/401)', () => {
      // TODO: Implement test
      // - Mock API to return 403/401 error
      // - Navigate to /drivers
      // - Verify redirect to login or error page
    });

    it('should refresh drivers list on page refresh', () => {
      // TODO: Implement test
      // - Login and navigate to /drivers
      // - Trigger browser refresh or router.refresh()
      // - Verify DriversPageQuery is called again
      // - Verify data is reloaded
    });
  });

  describe('Driver Profile Navigation', () => {
    it('should navigate to driver profile page', () => {
      // TODO: Implement test
      // - Navigate to /drivers/[id]
      // - Verify driver profile page loads successfully
      // - Check for expected profile elements (name, bio, stats)
    });

    it('should redirect to login when accessing driver profile without authentication', () => {
      // TODO: Implement test
      // - Navigate to /drivers/[id]
      // - Verify redirect to /auth/login
      // - Check return URL parameter
    });

    it('should allow access to driver profile with valid authentication', () => {
      // TODO: Implement test
      // - Mock AuthSessionDTO
      // - Navigate to /drivers/[id]
      // - Verify driver profile loads successfully
      // - Check for expected profile elements
    });

    it('should navigate back from driver profile to drivers list', () => {
      // TODO: Implement test
      // - Navigate to /drivers/[id]
      // - Click back button or navigate to /drivers
      // - Verify navigation to /drivers
    });

    it('should handle direct navigation to driver profile routes', () => {
      // TODO: Implement test
      // - Login and attempt direct navigation to /drivers/[id]
      // - Verify driver profile renders correctly
      // - Check URL includes driver ID
    });

    it('should handle invalid driver ID in URL', () => {
      // TODO: Implement test
      // - Navigate to /drivers/invalid-id
      // - Verify redirect to not found page
      // - Check error handling
    });
  });

  describe('Driver Profile Data Flow', () => {
    it('should load and display driver profile data', () => {
      // TODO: Implement test
      // - Mock DriverProfilePageQuery response with GetDriverProfileOutputDTO
      // - Navigate to /drivers/[id]
      // - Verify driver profile is displayed
      // - Check for expected profile fields (name, bio, avatar, stats)
    });

    it('should display driver statistics', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO with DriverProfileStatsDTO
      // - Navigate to /drivers/[id]
      // - Verify stats are displayed (rating, wins, podiums, races, etc.)
    });

    it('should display driver team memberships', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO with teamMemberships
      // - Navigate to /drivers/[id]
      // - Verify team memberships are displayed
      // - Check for team name, role, etc.
    });

    it('should display driver social summary', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO with socialSummary
      // - Navigate to /drivers/[id]
      // - Verify social summary is displayed (friends, followers, etc.)
    });

    it('should display driver achievements', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO with achievements
      // - Navigate to /drivers/[id]
      // - Verify achievements are displayed
    });

    it('should handle missing driver profile gracefully', () => {
      // TODO: Implement test
      // - Mock DriverProfilePageQuery to return NotFound error
      // - Navigate to /drivers/[id]
      // - Verify redirect to not found page
    });

    it('should handle driver profile data loading errors', () => {
      // TODO: Implement test
      // - Mock DriverProfilePageQuery to return error
      // - Navigate to /drivers/[id]
      // - Verify error handling (error banner/message)
      // - Check error logging
    });

    it('should handle driver profile access denied (403/401)', () => {
      // TODO: Implement test
      // - Mock API to return 403/401 error
      // - Navigate to /drivers/[id]
      // - Verify redirect to login or error page
    });

    it('should refresh driver profile on page refresh', () => {
      // TODO: Implement test
      // - Login and navigate to /drivers/[id]
      // - Trigger browser refresh or router.refresh()
      // - Verify DriverProfilePageQuery is called again
      // - Verify data is reloaded
    });
  });

  describe('Drivers Route Guard Integration', () => {
    it('should enforce authentication on drivers access', () => {
      // TODO: Implement test
      // - Navigate to /drivers without auth
      // - Verify redirect to /auth/login
      // - Check return URL includes /drivers
    });

    it('should enforce authentication on driver profile access', () => {
      // TODO: Implement test
      // - Navigate to /drivers/[id] without auth
      // - Verify redirect to /auth/login
      // - Check return URL includes /drivers/[id]
    });

    it('should handle session expiration during drivers viewing', () => {
      // TODO: Implement test
      // - Login and navigate to /drivers
      // - Mock session expiration
      // - Attempt interaction (e.g., click driver profile)
      // - Verify redirect to login
    });

    it('should handle session expiration during driver profile viewing', () => {
      // TODO: Implement test
      // - Login and navigate to /drivers/[id]
      // - Mock session expiration
      // - Attempt interaction (e.g., click back)
      // - Verify redirect to login
    });

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

    it('should maintain return URL after driver profile authentication', () => {
      // TODO: Implement test
      // - Attempt to access /drivers/[id] without auth
      // - Verify redirect to login with return URL
      // - Login successfully
      // - Verify redirect back to /drivers/[id]
    });

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

  describe('Drivers Cross-Screen State Management', () => {
    it('should preserve search/filter state when navigating between drivers pages', () => {
      // TODO: Implement test
      // - Apply search/filter on /drivers
      // - Navigate to /drivers/[id]
      // - Navigate back to /drivers
      // - Verify search/filter state is preserved in URL
    });

    it('should preserve scroll position when navigating back from driver profile', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Scroll down
      // - Click on a driver profile
      // - Navigate back to /drivers
      // - Verify scroll position is preserved
    });

    it('should handle concurrent drivers operations', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Trigger multiple operations quickly (e.g., refresh, navigate to profile)
      // - Verify loading states are managed
      // - Verify no race conditions
    });

    it('should maintain driver selection state during operations', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Select a driver (if applicable)
      // - Perform operation (e.g., refresh)
      // - Verify selection is maintained
    });
  });

  describe('Drivers UI State Management', () => {
    it('should show loading states during data operations', () => {
      // TODO: Implement test
      // - Mock delayed DriversPageQuery response
      // - Navigate to /drivers
      // - Verify loading state is shown
      // - Verify loading state is cleared after data loads
    });

    it('should show loading states during driver profile data operations', () => {
      // TODO: Implement test
      // - Mock delayed DriverProfilePageQuery response
      // - Navigate to /drivers/[id]
      // - Verify loading state is shown
      // - Verify loading state is cleared after data loads
    });

    it('should handle empty states gracefully', () => {
      // TODO: Implement test
      // - Mock DriversPageQuery with empty drivers array
      // - Navigate to /drivers
      // - Verify empty state message is shown
      // - Verify UI remains functional
    });

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

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

  describe('Drivers User Interaction Flows', () => {
    it('should navigate to driver profile when clicking driver item', () => {
      // TODO: Implement test
      // - Navigate to /drivers
      // - Click on a driver item
      // - Verify navigation to /drivers/[id]
      // - Check URL changes correctly
    });

    it('should handle driver profile interactions', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO
      // - Navigate to /drivers/[id]
      // - Click on team membership item
      // - Verify navigation to team detail page (if applicable)
    });

    it('should handle back navigation from driver profile', () => {
      // TODO: Implement test
      // - Navigate to /drivers/[id]
      // - Click back button
      // - Verify navigation to /drivers
      // - Check URL changes correctly
    });
  });

  describe('Drivers Performance and Edge Cases', () => {
    it('should handle large amounts of drivers in leaderboard', () => {
      // TODO: Implement test
      // - Mock DriversLeaderboardDTO with many drivers
      // - Navigate to /drivers
      // - Verify UI handles large list (virtualization, performance)
      // - Check rendering performance
    });

    it('should handle driver data with special characters', () => {
      // TODO: Implement test
      // - Mock driver names with special characters
      // - Navigate to /drivers
      // - Verify proper rendering and escaping
    });

    it('should handle driver data with very long strings', () => {
      // TODO: Implement test
      // - Mock driver bio with very long text
      // - Navigate to /drivers/[id]
      // - Verify text truncation or wrapping works correctly
    });

    it('should handle malformed driver data', () => {
      // TODO: Implement test
      // - Mock DriversPageQuery with malformed data
      // - Navigate to /drivers
      // - Verify graceful error handling
      // - Check error logging
    });

    it('should handle driver profile data with missing optional fields', () => {
      // TODO: Implement test
      // - Mock GetDriverProfileOutputDTO with missing optional fields (bio, avatarUrl, etc.)
      // - Navigate to /drivers/[id]
      // - Verify UI handles missing data gracefully
      // - Check for proper fallbacks
    });
  });
});
