import { validate } from 'class-validator';
import { CheckInDto, TransferRoomDto } from './occupancy.dto';

describe('manual occupancy DTO bed requirements', () => {
  it('requires a bed for manual check-in', async () => {
    const dto = Object.assign(new CheckInDto(), {
      studentId: 1,
      roomId: 2,
      checkInDate: '2026-07-13',
    });

    const errors = await validate(dto);

    expect(errors.some((error) => error.property === 'bedId')).toBe(true);
  });

  it('requires a new bed for a room transfer while keeping the locker optional', async () => {
    const dto = Object.assign(new TransferRoomDto(), {
      newRoomId: 3,
      transferDate: '2026-07-13',
    });

    const errors = await validate(dto);

    expect(errors.some((error) => error.property === 'newBedId')).toBe(true);
    expect(errors.some((error) => error.property === 'newLockerId')).toBe(false);
  });
});