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

describe('AdminDashboardViewDataBuilder', () => {
  describe('happy paths', () => {
    it('should transform DashboardStatsResponseDTO to AdminDashboardViewData correctly', () => {
      const dashboardStats: DashboardStatsResponseDTO = {
        totalUsers: 1000,
        activeUsers: 800,
        suspendedUsers: 50,
        deletedUsers: 150,
        systemAdmins: 5,
        recentLogins: 120,
        newUsersToday: 15,
      };

      const result = AdminDashboardViewDataBuilder.build(dashboardStats);

      expect(result).toEqual({
        stats: {
          totalUsers: 1000,
          activeUsers: 800,
          suspendedUsers: 50,
          deletedUsers: 150,
          systemAdmins: 5,
          recentLogins: 120,
          newUsersToday: 15,
        },
      });
    });

    it('should handle zero values correctly', () => {
      const dashboardStats: DashboardStatsResponseDTO = {
        totalUsers: 0,
        activeUsers: 0,
        suspendedUsers: 0,
        deletedUsers: 0,
        systemAdmins: 0,
        recentLogins: 0,
        newUsersToday: 0,
      };

      const result = AdminDashboardViewDataBuilder.build(dashboardStats);

      expect(result).toEqual({
        stats: {
          totalUsers: 0,
          activeUsers: 0,
          suspendedUsers: 0,
          deletedUsers: 0,
          systemAdmins: 0,
          recentLogins: 0,
          newUsersToday: 0,
        },
      });
    });
  });
});