/** @jest-environment node */

import {
  PerformanceSurveyApiError,
  resolvePerformanceSurveyPeriodInput,
} from '@/lib/performance-survey-service'

describe('performance survey period', () => {
  const now = new Date('2026-07-10T08:00:00.000Z')

  test('考核月份不会再自动变成截止时间', () => {
    const result = resolvePerformanceSurveyPeriodInput({
      assessmentMonth: '2026-03',
      dueAt: null,
      openNow: true,
    }, now)

    expect(result).toEqual({
      assessmentMonth: '2026-03',
      dueAt: null,
    })
  })

  test('独立设置的未来截止时间会被保留', () => {
    const result = resolvePerformanceSurveyPeriodInput({
      assessmentMonth: '2026-07',
      dueAt: '2026-07-20T10:00:00.000Z',
      openNow: true,
    }, now)

    expect(result.assessmentMonth).toBe('2026-07')
    expect(result.dueAt?.toISOString()).toBe('2026-07-20T10:00:00.000Z')
  })

  test('发布时不允许使用已经过去的截止时间', () => {
    expect(() => resolvePerformanceSurveyPeriodInput({
      assessmentMonth: '2026-07',
      dueAt: '2026-07-01T00:00:00.000Z',
      openNow: true,
    }, now)).toThrow(new PerformanceSurveyApiError('截止时间必须晚于当前时间'))
  })

  test('显式传入无效月份时不会静默改成当前月', () => {
    expect(() => resolvePerformanceSurveyPeriodInput({
      assessmentMonth: '2026-13',
      dueAt: null,
    }, now)).toThrow(new PerformanceSurveyApiError('考核月份格式无效'))
  })
})