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

describe('Leagues Feature Flow', () => {
  describe('Leagues List Navigation', () => {
    it('should redirect to login when accessing leagues without authentication', () => {
      // TODO: Implement test
      // - Navigate to /leagues
      // - Verify redirect to /auth/login
      // - Check return URL parameter
    });

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

    it('should navigate from leagues list to league details', () => {
      // TODO: Implement test
      // - Login and navigate to /leagues
      // - Click on a league row
      // - Verify navigation to /leagues/[id]
    });

    it('should handle direct navigation to league details', () => {
      // TODO: Implement test
      // - Login and attempt direct navigation to /leagues/[id]
      // - Verify league details page renders correctly
      // - Check URL remains /leagues/[id]
    });

    it('should navigate to league creation wizard', () => {
      // TODO: Implement test
      // - Login and navigate to /leagues
      // - Click "Create League" button
      // - Verify navigation to /leagues/create
    });

    it('should navigate to league migration', () => {
      // TODO: Implement test
      // - Login and navigate to /leagues
      // - Click "Migrate League" option
      // - Verify navigation to /leagues/migration
    });
  });

  describe('League Creation Wizard', () => {
    it('should enforce authentication on league creation', () => {
      // TODO: Implement test
      // - Navigate to /leagues/create without auth
      // - Verify redirect to /auth/login
      // - Check return URL includes /leagues/create
    });

    it('should complete league creation wizard flow', () => {
      // TODO: Implement test
      // - Mock CreateLeagueInputDTO
      // - Navigate to /leagues/create
      // - Fill in league basics (name, description, visibility)
      // - Submit creation form
      // - Verify redirect to new league details page
      // - Check success notification
    });

    it('should handle league creation validation errors', () => {
      // TODO: Implement test
      // - Navigate to /leagues/create
      // - Submit invalid data
      // - Verify validation errors are shown
      // - Check form remains in invalid state
    });

    it('should handle league creation API errors', () => {
      // TODO: Implement test
      // - Mock API to return error
      // - Navigate to /leagues/create
      // - Submit valid data
      // - Verify error handling and user feedback
    });

    it('should preserve wizard state on navigation away and back', () => {
      // TODO: Implement test
      // - Start league creation wizard
      // - Fill in some fields
      // - Navigate away
      // - Navigate back
      // - Verify form data is preserved
    });
  });

  describe('League Details Navigation', () => {
    it('should load league details from URL', () => {
      // TODO: Implement test
      // - Mock LeagueDetailDTO
      // - Navigate directly to /leagues/[id]
      // - Verify league details are displayed
      // - Check all expected fields are shown
    });

    it('should navigate to league roster', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Roster" tab or link
      // - Verify navigation to /leagues/[id]/roster
    });

    it('should navigate to league schedule', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Schedule" tab or link
      // - Verify navigation to /leagues/[id]/schedule
    });

    it('should navigate to league standings', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Standings" tab or link
      // - Verify navigation to /leagues/[id]/standings
    });

    it('should navigate to league settings', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Settings" tab or link
      // - Verify navigation to /leagues/[id]/settings
    });

    it('should navigate to league sponsorships', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Sponsorships" tab or link
      // - Verify navigation to /leagues/[id]/sponsorships
    });

    it('should navigate to league wallet', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Wallet" tab or link
      // - Verify navigation to /leagues/[id]/wallet
    });

    it('should navigate to league stewarding', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Stewarding" tab or link
      // - Verify navigation to /leagues/[id]/stewarding
    });

    it('should navigate to league rulebook', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click "Rulebook" tab or link
      // - Verify navigation to /leagues/[id]/rulebook
    });
  });

  describe('League Roster Management', () => {
    it('should load league roster data', () => {
      // TODO: Implement test
      // - Mock LeagueRosterMemberDTO array
      // - Navigate to /leagues/[id]/roster
      // - Verify roster list is displayed
      // - Check for member details (name, role, status, etc.)
    });

    it('should handle empty roster', () => {
      // TODO: Implement test
      // - Mock empty roster
      // - Navigate to /leagues/[id]/roster
      // - Verify empty state message
    });

    it('should navigate to roster admin page', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Click "Admin" button
      // - Verify navigation to /leagues/[id]/roster/admin
    });

    it('should handle roster admin operations', () => {
      // TODO: Implement test
      // - Mock UpdateLeagueMemberRoleInputDTO
      // - Navigate to /leagues/[id]/roster/admin
      // - Update member role
      // - Verify API call and success feedback
    });

    it('should handle remove member operation', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster/admin
      // - Remove a member
      // - Verify confirmation dialog
      // - Verify member is removed from list
    });

    it('should handle join requests', () => {
      // TODO: Implement test
      // - Mock GetLeagueJoinRequestsQueryDTO
      // - Navigate to /leagues/[id]/roster/admin
      // - View join requests
      // - Approve/reject requests
      // - Verify updates to roster
    });
  });

  describe('League Schedule Management', () => {
    it('should load league schedule data', () => {
      // TODO: Implement test
      // - Mock LeagueScheduleDTO
      // - Navigate to /leagues/[id]/schedule
      // - Verify schedule is displayed
      // - Check for race dates, tracks, etc.
    });

    it('should handle empty schedule', () => {
      // TODO: Implement test
      // - Mock empty schedule
      // - Navigate to /leagues/[id]/schedule
      // - Verify empty state message
    });

    it('should navigate to schedule admin page', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/schedule
      // - Click "Admin" button
      // - Verify navigation to /leagues/[id]/schedule/admin
    });

    it('should handle schedule creation', () => {
      // TODO: Implement test
      // - Mock CreateLeagueScheduleRaceInputDTO
      // - Navigate to /leagues/[id]/schedule/admin
      // - Create new race
      // - Verify race appears in schedule
    });

    it('should handle schedule updates', () => {
      // TODO: Implement test
      // - Mock UpdateLeagueScheduleRaceInputDTO
      // - Navigate to /leagues/[id]/schedule/admin
      // - Update existing race
      // - Verify changes are saved
    });

    it('should handle schedule deletion', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/schedule/admin
      // - Delete a race
      // - Verify confirmation dialog
      // - Verify race is removed from schedule
    });

    it('should publish schedule season', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/schedule/admin
      // - Click "Publish Season" button
      // - Verify LeagueSeasonSchedulePublishOutputDTO
      // - Check success notification
    });
  });

  describe('League Standings', () => {
    it('should load league standings data', () => {
      // TODO: Implement test
      // - Mock LeagueStandingsDTO
      // - Navigate to /leagues/[id]/standings
      // - Verify standings are displayed
      // - Check for driver/team rankings, points, etc.
    });

    it('should handle empty standings', () => {
      // TODO: Implement test
      // - Mock empty standings
      // - Navigate to /leagues/[id]/standings
      // - Verify empty state message
    });

    it('should handle standings with no races completed', () => {
      // TODO: Implement test
      // - Mock standings with zero races completed
      // - Navigate to /leagues/[id]/standings
      // - Verify appropriate message
    });

    it('should refresh standings data', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/standings
      // - Trigger refresh (button or router.refresh())
      // - Verify standings query is called again
    });
  });

  describe('League Settings', () => {
    it('should load league settings data', () => {
      // TODO: Implement test
      // - Mock LeagueSettingsDTO
      // - Navigate to /leagues/[id]/settings
      // - Verify settings form is populated
    });

    it('should update league settings', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Modify settings
      // - Submit form
      // - Verify API call and success feedback
    });

    it('should handle settings validation errors', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Submit invalid settings
      // - Verify validation errors are shown
    });

    it('should handle league ownership transfer', () => {
      // TODO: Implement test
      // - Mock TransferLeagueOwnershipInputDTO
      // - Navigate to /leagues/[id]/settings
      // - Transfer ownership
      // - Verify confirmation and success
    });

    it('should handle league deletion', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Click "Delete League" button
      // - Verify confirmation dialog
      // - Verify league is deleted and redirected
    });
  });

  describe('League Sponsorships', () => {
    it('should load sponsorships data', () => {
      // TODO: Implement test
      // - Mock SponsorshipDTO array
      // - Navigate to /leagues/[id]/sponsorships
      // - Verify sponsorships list is displayed
    });

    it('should handle empty sponsorships', () => {
      // TODO: Implement test
      // - Mock empty sponsorships
      // - Navigate to /leagues/[id]/sponsorships
      // - Verify empty state message
    });

    it('should create new sponsorship', () => {
      // TODO: Implement test
      // - Mock CreateSponsorOutputDTO
      // - Navigate to /leagues/[id]/sponsorships
      // - Click "Create Sponsorship" button
      // - Fill sponsorship form
      // - Verify sponsorship is created
    });

    it('should accept sponsorship request', () => {
      // TODO: Implement test
      // - Mock AcceptSponsorshipRequestInputDTO
      // - Navigate to /leagues/[id]/sponsorships
      // - Accept pending sponsorship request
      // - Verify sponsorship is activated
    });

    it('should reject sponsorship request', () => {
      // TODO: Implement test
      // - Mock RejectSponsorshipRequestInputDTO
      // - Navigate to /leagues/[id]/sponsorships
      // - Reject pending sponsorship request
      // - Verify request is rejected
    });
  });

  describe('League Wallet', () => {
    it('should load wallet data', () => {
      // TODO: Implement test
      // - Mock GetLeagueWalletOutputDTO
      // - Navigate to /leagues/[id]/wallet
      // - Verify wallet balance and transactions are displayed
    });

    it('should handle empty wallet', () => {
      // TODO: Implement test
      // - Mock empty wallet
      // - Navigate to /leagues/[id]/wallet
      // - Verify empty state message
    });

    it('should handle withdraw from wallet', () => {
      // TODO: Implement test
      // - Mock WithdrawFromLeagueWalletInputDTO
      // - Navigate to /leagues/[id]/wallet
      // - Initiate withdrawal
      // - Verify confirmation and success
    });

    it('should show transaction history', () => {
      // TODO: Implement test
      // - Mock WalletTransactionDTO array
      // - Navigate to /leagues/[id]/wallet
      // - Verify transaction list is displayed
      // - Check for transaction details (amount, date, type, etc.)
    });
  });

  describe('League Stewarding', () => {
    it('should load stewarding data', () => {
      // TODO: Implement test
      // - Mock GetLeagueProtestsQueryDTO
      // - Navigate to /leagues/[id]/stewarding
      // - Verify protests list is displayed
    });

    it('should handle empty stewarding', () => {
      // TODO: Implement test
      // - Mock empty protests
      // - Navigate to /leagues/[id]/stewarding
      // - Verify empty state message
    });

    it('should navigate to individual protest', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/stewarding
      // - Click on a protest
      // - Verify navigation to /leagues/[id]/stewarding/protests/[protestId]
    });

    it('should load individual protest details', () => {
      // TODO: Implement test
      // - Mock ProtestDTO
      // - Navigate to /leagues/[id]/stewarding/protests/[protestId]
      // - Verify protest details are displayed
    });

    it('should handle protest review', () => {
      // TODO: Implement test
      // - Mock ReviewProtestCommandDTO
      // - Navigate to protest details
      // - Review and submit protest decision
      // - Verify protest status is updated
    });

    it('should handle file protest', () => {
      // TODO: Implement test
      // - Mock FileProtestCommandDTO
      // - Navigate to /leagues/[id]/stewarding
      // - File a new protest
      // - Verify protest is created
    });
  });

  describe('League Migration', () => {
    it('should enforce authentication on league migration', () => {
      // TODO: Implement test
      // - Navigate to /leagues/migration without auth
      // - Verify redirect to /auth/login
      // - Check return URL includes /leagues/migration
    });

    it('should complete league migration flow', () => {
      // TODO: Implement test
      // - Navigate to /leagues/migration
      // - Fill migration form
      // - Submit migration request
      // - Verify migration is processed
    });

    it('should handle migration validation errors', () => {
      // TODO: Implement test
      // - Navigate to /leagues/migration
      // - Submit invalid data
      // - Verify validation errors are shown
    });

    it('should handle migration API errors', () => {
      // TODO: Implement test
      // - Mock API to return error
      // - Navigate to /leagues/migration
      // - Submit valid data
      // - Verify error handling
    });
  });

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

    it('should enforce league membership for private leagues', () => {
      // TODO: Implement test
      // - Mock user not in private league
      // - Navigate to /leagues/[id] (private league)
      // - Verify redirect or access denied
    });

    it('should enforce admin permissions for admin routes', () => {
      // TODO: Implement test
      // - Mock user without admin role
      // - Navigate to /leagues/[id]/roster/admin
      // - Verify redirect or access denied
    });

    it('should handle session expiration during league operations', () => {
      // TODO: Implement test
      // - Login and navigate to /leagues/[id]
      // - Mock session expiration
      // - Attempt operation (e.g., edit settings)
      // - Verify redirect to login
    });

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

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

  describe('Leagues Cross-Screen State Management', () => {
    it('should preserve league state when navigating away and back', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Navigate to another page (e.g., /dashboard)
      // - Navigate back to /leagues/[id]
      // - Verify league data is preserved
    });

    it('should preserve roster state when navigating between tabs', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Apply filters or sorting
      // - Navigate to /leagues/[id]/schedule
      // - Navigate back to /leagues/[id]/roster
      // - Verify filters/sorting are preserved
    });

    it('should handle concurrent league operations', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Trigger multiple operations quickly
      // - Verify loading states are managed
      // - Verify no race conditions
    });

    it('should maintain scroll position on return', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Scroll down
      // - Navigate to /leagues/[id]/schedule
      // - Navigate back to /leagues/[id]/roster
      // - Verify scroll position is preserved
    });

    it('should preserve selected tab when navigating between leagues', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Navigate to /leagues/[otherId]/roster
      // - Verify "Roster" tab is still selected
    });
  });

  describe('Leagues UI State Management', () => {
    it('should show loading states during data operations', () => {
      // TODO: Implement test
      // - Mock delayed league API response
      // - Navigate to /leagues/[id]
      // - Verify loading state is shown
      // - Verify loading state is cleared after data loads
    });

    it('should handle empty states gracefully', () => {
      // TODO: Implement test
      // - Mock empty league data
      // - Navigate to /leagues
      // - Verify empty state messages are shown
      // - Verify UI remains functional
    });

    it('should handle error states gracefully', () => {
      // TODO: Implement test
      // - Mock various error scenarios
      // - Navigate to /leagues
      // - Verify error handling (redirects, error pages)
      // - Verify UI remains usable
    });

    it('should handle network connectivity issues', () => {
      // TODO: Implement test
      // - Mock network failure
      // - Navigate to /leagues
      // - Verify appropriate error handling
      // - Check if retry mechanism exists
    });

    it('should show active tab indicator', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Verify "Roster" tab is highlighted
      // - Navigate to /leagues/[id]/schedule
      // - Verify "Schedule" tab is highlighted
    });
  });

  describe('Leagues User Interaction Flows', () => {
    it('should handle league row click interactions', () => {
      // TODO: Implement test
      // - Navigate to /leagues
      // - Click on a league row
      // - Verify navigation to league details
      // - Check URL changes correctly
    });

    it('should handle tab navigation interactions', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click different tabs (roster, schedule, standings, etc.)
      // - Verify navigation to correct sub-routes
    });

    it('should handle form submission interactions', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Modify form fields
      // - Submit form
      // - Verify submission handling
    });

    it('should handle button click interactions', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]
      // - Click action buttons (edit, delete, create, etc.)
      // - Verify appropriate actions are triggered
    });

    it('should handle pagination interactions', () => {
      // TODO: Implement test
      // - Mock large dataset requiring pagination
      // - Navigate to /leagues/[id]/roster
      // - Click next page button
      // - Verify next page of results is loaded
    });

    it('should handle search functionality', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/roster
      // - Type in search box
      // - Verify filtered results match search query
      // - Check API call includes search parameter
    });
  });

  describe('Leagues Performance and Edge Cases', () => {
    it('should handle large league list datasets', () => {
      // TODO: Implement test
      // - Mock many leagues
      // - Navigate to /leagues
      // - Verify UI handles large list (virtualization, performance)
      // - Check rendering performance
    });

    it('should handle large roster datasets', () => {
      // TODO: Implement test
      // - Mock large roster
      // - Navigate to /leagues/[id]/roster
      // - Verify UI handles large list
      // - Check rendering performance
    });

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

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

    it('should handle league data with very long strings', () => {
      // TODO: Implement test
      // - Mock league data with very long names, descriptions, etc.
      // - Navigate to /leagues
      // - Verify text truncation or wrapping works correctly
    });

    it('should handle league data with missing optional fields', () => {
      // TODO: Implement test
      // - Mock LeagueDetailDTO with missing optional fields
      // - Navigate to /leagues/[id]
      // - Verify UI handles missing data gracefully
      // - Check for fallback UI elements
    });

    it('should handle league data with null values', () => {
      // TODO: Implement test
      // - Mock league data with null values
      // - Navigate to /leagues
      // - Verify null values are handled gracefully
    });

    it('should handle league data with extreme values', () => {
      // TODO: Implement test
      // - Mock league data with extreme values
      // - Navigate to /leagues
      // - Verify UI handles extreme values correctly
      // - Check for proper formatting
    });

    it('should handle concurrent league creation attempts', () => {
      // TODO: Implement test
      // - Navigate to /leagues/create
      // - Submit form multiple times quickly
      // - Verify only one creation is processed
      // - Check for duplicate submission prevention
    });

    it('should handle race conditions in league updates', () => {
      // TODO: Implement test
      // - Navigate to /leagues/[id]/settings
      // - Make concurrent updates
      // - Verify last update wins or proper conflict resolution
    });
  });
});