import { describe, it, expect } from 'vitest';
import { AdminUsersViewDataBuilder } from './AdminUsersViewDataBuilder';
import type { UserListResponseDTO } from '@/lib/types/generated/UserListResponseDTO';

describe('AdminUsersViewDataBuilder', () => {
  describe('happy paths', () => {
    it('should transform UserListResponseDTO to AdminUsersViewData correctly', () => {
      const userListResponse: UserListResponseDTO = {
        users: [
          {
            id: 'user-1',
            email: 'admin@example.com',
            displayName: 'Admin User',
            roles: ['admin', 'owner'],
            status: 'active',
            isSystemAdmin: true,
            createdAt: '2024-01-01T00:00:00.000Z',
            updatedAt: '2024-01-15T12:00:00.000Z',
            lastLoginAt: '2024-01-20T10:00:00.000Z',
            primaryDriverId: 'driver-123',
          },
          {
            id: 'user-2',
            email: 'user@example.com',
            displayName: 'Regular User',
            roles: ['member'],
            status: 'active',
            isSystemAdmin: false,
            createdAt: '2024-01-05T00:00:00.000Z',
            updatedAt: '2024-01-10T08:00:00.000Z',
            lastLoginAt: '2024-01-18T14:00:00.000Z',
            primaryDriverId: 'driver-456',
          },
        ],
        total: 2,
        page: 1,
        limit: 10,
        totalPages: 1,
      };

      const result = AdminUsersViewDataBuilder.build(userListResponse);

      expect(result.users).toHaveLength(2);
      expect(result.users[0]).toEqual({
        id: 'user-1',
        email: 'admin@example.com',
        displayName: 'Admin User',
        roles: ['admin', 'owner'],
        status: 'active',
        isSystemAdmin: true,
        createdAt: '2024-01-01T00:00:00.000Z',
        updatedAt: '2024-01-15T12:00:00.000Z',
        lastLoginAt: '2024-01-20T10:00:00.000Z',
        primaryDriverId: 'driver-123',
      });
      expect(result.total).toBe(2);
    });

    it('should calculate derived fields correctly', () => {
      const userListResponse: UserListResponseDTO = {
        users: [
          {
            id: 'user-1',
            email: 'user1@example.com',
            displayName: 'User 1',
            roles: ['member'],
            status: 'active',
            isSystemAdmin: false,
            createdAt: '2024-01-01T00:00:00.000Z',
            updatedAt: '2024-01-15T12:00:00.000Z',
          },
          {
            id: 'user-2',
            email: 'user2@example.com',
            displayName: 'User 2',
            roles: ['member'],
            status: 'active',
            isSystemAdmin: false,
            createdAt: '2024-01-02T00:00:00.000Z',
            updatedAt: '2024-01-16T12:00:00.000Z',
          },
          {
            id: 'user-3',
            email: 'user3@example.com',
            displayName: 'User 3',
            roles: ['admin'],
            status: 'suspended',
            isSystemAdmin: true,
            createdAt: '2024-01-03T00:00:00.000Z',
            updatedAt: '2024-01-17T12:00:00.000Z',
          },
        ],
        total: 3,
        page: 1,
        limit: 10,
        totalPages: 1,
      };

      const result = AdminUsersViewDataBuilder.build(userListResponse);

      expect(result.activeUserCount).toBe(2);
      expect(result.adminCount).toBe(1);
    });
  });
});