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

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

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

    it('should redirect to login when accessing admin routes with invalid role', () => {
      // TODO: Implement test
      // - Login as regular user (non-admin)
      // - Navigate to /admin
      // - Verify redirect to appropriate error page or dashboard
    });

    it('should allow access to admin dashboard with valid admin role', () => {
      // TODO: Implement test
      // - Login as admin user
      // - Navigate to /admin
      // - Verify dashboard loads successfully
      // - Check for expected dashboard elements
    });

    it('should navigate from admin dashboard to users management', () => {
      // TODO: Implement test
      // - Login as admin
      // - Navigate to /admin
      // - Click users link/button
      // - Verify navigation to /admin/users
    });

    it('should navigate back from users to dashboard', () => {
      // TODO: Implement test
      // - Login as admin
      // - Navigate to /admin/users
      // - Click back/dashboard link
      // - Verify navigation to /admin
    });
  });

  describe('Admin Dashboard Data Flow', () => {
    it('should load and display dashboard statistics', () => {
      // TODO: Implement test
      // - Mock AdminDashboardPageQuery response
      // - Navigate to /admin
      // - Verify stats are displayed (totalUsers, activeUsers, etc.)
      // - Check for proper data formatting
    });

    it('should handle dashboard data loading errors', () => {
      // TODO: Implement test
      // - Mock AdminDashboardPageQuery to return error
      // - Navigate to /admin
      // - Verify error banner is displayed
      // - Check error message content
    });

    it('should refresh dashboard data on refresh button click', () => {
      // TODO: Implement test
      // - Login as admin
      // - Navigate to /admin
      // - Click refresh button
      // - Verify router.refresh() is called
      // - Verify loading state is shown
    });

    it('should handle dashboard access denied (403/401)', () => {
      // TODO: Implement test
      // - Mock API to return 403/401 error
      // - Navigate to /admin
      // - Verify "Access Denied" error banner
      // - Check message about Owner or Admin role
    });
  });

  describe('Admin Users Management Flow', () => {
    it('should load and display users list', () => {
      // TODO: Implement test
      // - Mock AdminUsersPageQuery response
      // - Navigate to /admin/users
      // - Verify users are displayed in table/list
      // - Check for expected user fields (email, roles, status)
    });

    it('should handle users data loading errors', () => {
      // TODO: Implement test
      // - Mock AdminUsersPageQuery to return error
      // - Navigate to /admin/users
      // - Verify error banner is displayed
    });

    it('should filter users by search term', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Enter search term in search input
      // - Verify URL is updated with search parameter
      // - Verify filtered results (mocked)
    });

    it('should filter users by role', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Select role filter
      // - Verify URL is updated with role parameter
      // - Verify filtered results (mocked)
    });

    it('should filter users by status', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Select status filter
      // - Verify URL is updated with status parameter
      // - Verify filtered results (mocked)
    });

    it('should clear all filters', () => {
      // TODO: Implement test
      // - Apply search, role, and status filters
      // - Click clear filters button
      // - Verify URL parameters are removed
      // - Verify all users are shown again
    });

    it('should select individual users', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Click checkbox for a user
      // - Verify user is added to selectedUserIds
      // - Verify checkbox is checked
    });

    it('should select all users', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Click select all checkbox
      // - Verify all user IDs are in selectedUserIds
      // - Verify all checkboxes are checked
    });

    it('should clear user selection', () => {
      // TODO: Implement test
      // - Select multiple users
      // - Click clear selection button
      // - Verify selectedUserIds is empty
      // - Verify no checkboxes are checked
    });

    it('should update user status', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Click status update for a user (e.g., activate/suspend)
      // - Mock updateUserStatus action
      // - Verify action is called with correct parameters
      // - Verify router.refresh() is called
    });

    it('should handle user status update errors', () => {
      // TODO: Implement test
      // - Mock updateUserStatus to return error
      // - Attempt to update user status
      // - Verify error message is displayed
      // - Verify loading state is cleared
    });

    it('should open delete confirmation dialog', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Click delete button for a user
      // - Verify ConfirmDialog opens
      // - Verify dialog content (title, description)
    });

    it('should cancel user deletion', () => {
      // TODO: Implement test
      // - Open delete confirmation dialog
      // - Click cancel/close
      // - Verify dialog closes
      // - Verify delete action is NOT called
    });

    it('should confirm and delete user', () => {
      // TODO: Implement test
      // - Open delete confirmation dialog
      // - Mock deleteUser action
      // - Click confirm/delete button
      // - Verify deleteUser is called with correct userId
      // - Verify router.refresh() is called
      // - Verify dialog closes
    });

    it('should handle user deletion errors', () => {
      // TODO: Implement test
      // - Mock deleteUser to return error
      // - Attempt to delete user
      // - Verify error message is displayed
      // - Verify dialog remains open
    });

    it('should refresh users list', () => {
      // TODO: Implement test
      // - Navigate to /admin/users
      // - Click refresh button
      // - Verify router.refresh() is called
    });

    it('should handle users access denied (403/401)', () => {
      // TODO: Implement test
      // - Mock API to return 403/401 error
      // - Navigate to /admin/users
      // - Verify "Access Denied" error banner
      // - Check message about Owner or Admin role
    });
  });

  describe('Admin Route Guard Integration', () => {
    it('should enforce role-based access control on admin routes', () => {
      // TODO: Implement test
      // - Test various user roles (user, sponsor, admin, owner)
      // - Verify each role's access to /admin and /admin/users
      // - Check route guard enforcement
    });

    it('should handle session expiration during admin operations', () => {
      // TODO: Implement test
      // - Login as admin
      // - Navigate to /admin/users
      // - Mock session expiration
      // - Attempt operation (filter, update, delete)
      // - Verify redirect to login
    });

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

  describe('Admin Cross-Screen State Management', () => {
    it('should preserve filter state when navigating between admin pages', () => {
      // TODO: Implement test
      // - Apply filters on /admin/users
      // - Navigate to /admin
      // - Navigate back to /admin/users
      // - Verify filters are preserved in URL
    });

    it('should preserve selection state during operations', () => {
      // TODO: Implement test
      // - Select multiple users
      // - Update status of one selected user
      // - Verify selection is maintained
    });

    it('should handle concurrent admin operations', () => {
      // TODO: Implement test
      // - Start multiple operations (filter, update, delete)
      // - Verify loading states are managed
      // - Verify error handling for race conditions
    });
  });

  describe('Admin UI State Management', () => {
    it('should show loading states during data operations', () => {
      // TODO: Implement test
      // - Mock delayed responses
      // - Verify loading spinner appears
      // - Verify loading state is cleared after completion
    });

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

    it('should handle empty states', () => {
      // TODO: Implement test
      // - Mock empty users list
      // - Navigate to /admin/users
      // - Verify empty state message is shown
    });
  });
});