import { describe, it, expect } from 'vitest';

describe('AdminService', () => {
  describe('happy paths', () => {
    it('should successfully fetch dashboard statistics', () => {
      // TODO: Implement test
    });

    it('should successfully list users with filtering', () => {
      // TODO: Implement test
    });

    it('should successfully update user status', () => {
      // TODO: Implement test
    });

    it('should successfully delete user', () => {
      // TODO: Implement test
    });
  });

  describe('failure modes', () => {
    it('should handle dashboard stats fetch errors', () => {
      // TODO: Implement test
    });

    it('should handle user list fetch errors', () => {
      // TODO: Implement test
    });

    it('should handle user status update errors', () => {
      // TODO: Implement test
    });

    it('should handle user deletion errors', () => {
      // TODO: Implement test
    });

    it('should handle invalid user ID', () => {
      // TODO: Implement test
    });

    it('should handle invalid status value', () => {
      // TODO: Implement test
    });
  });

  describe('retries', () => {
    it('should retry on transient API failures', () => {
      // TODO: Implement test
    });

    it('should retry on timeout when fetching dashboard stats', () => {
      // TODO: Implement test
    });
  });

  describe('fallback logic', () => {
    it('should use mock data when API is unavailable', () => {
      // TODO: Implement test
    });

    it('should handle partial user data gracefully', () => {
      // TODO: Implement test
    });

    it('should handle empty user list', () => {
      // TODO: Implement test
    });
  });

  describe('aggregation logic', () => {
    it('should aggregate dashboard statistics correctly', () => {
      // TODO: Implement test
    });

    it('should calculate user growth metrics', () => {
      // TODO: Implement test
    });

    it('should aggregate role distribution data', () => {
      // TODO: Implement test
    });

    it('should aggregate status distribution data', () => {
      // TODO: Implement test
    });

    it('should aggregate activity timeline data', () => {
      // TODO: Implement test
    });
  });

  describe('decision branches', () => {
    it('should handle different user roles correctly', () => {
      // TODO: Implement test
    });

    it('should handle different user statuses', () => {
      // TODO: Implement test
    });

    it('should handle different pagination scenarios', () => {
      // TODO: Implement test
    });

    it('should handle different filtering options', () => {
      // TODO: Implement test
    });

    it('should handle system admin vs regular admin', () => {
      // TODO: Implement test
    });

    it('should handle soft delete vs hard delete', () => {
      // TODO: Implement test
    });
  });
});