import ExcelJS from 'exceljs'
import {
  buildPerformanceSurveyDashboardWorkbook,
  buildPerformanceSurveyExportTable,
  choosePerformanceSurveyExportDestination,
  sanitizePerformanceSurveyExportFileName,
  savePerformanceSurveyDashboardWorkbook,
  type PerformanceSurveyDashboardExportData,
} from '@/lib/performance-survey-dashboard-export'

const exportData: PerformanceSurveyDashboardExportData = {
  month: '2026-07',
  filters: { positionGroupCode: 'brand_creative_manager' },
  selectedPositionGroup: { code: 'brand_creative_manager', name: '品牌创意主管' },
  positionGroups: [{ code: 'brand_creative_manager', name: '品牌创意主管' }],
  templates: [
    { code: 'visual_review', name: '品牌调性视觉评分', maxTotal: 120 },
    { code: 'coordination', name: '跨部门协同', maxTotal: 120 },
    { code: 'cooperation', name: '工作配合度', maxTotal: 120 },
  ],
  public: {
    rows: [
      {
        month: '2026-07',
        employee: {
          displayName: '伯言',
          jobNumber: 'JS15040602',
          departmentName: '品牌创意A部',
          positionLevel: 'M2',
        },
        cells: {
          visual_review: { score: null, surveyCount: 1, positionGroupCode: 'brand_creative_manager' },
          coordination: { score: 114.5, surveyCount: 1, positionGroupCode: 'brand_creative_manager' },
          cooperation: { score: 98, surveyCount: 1, positionGroupCode: 'brand_creative_manager' },
        },
      },
    ],
  },
}

describe('performance survey dashboard xlsx export', () => {
  test('keeps numeric scores numeric and marks pending assessments clearly', () => {
    const table = buildPerformanceSurveyExportTable(exportData)

    expect(table.headers).toEqual([
      '序号',
      '岗位',
      '考核月份',
      '姓名',
      '工号',
      '组织',
      '职级',
      '品牌调性视觉评分（满分120）',
      '跨部门协同（满分120）',
      '工作配合度（满分120）',
    ])
    expect(table.rows[0]).toEqual([
      1,
      '品牌创意主管',
      '2026-07',
      '伯言',
      'JS15040602',
      '品牌创意A部',
      'M2',
      '待评分',
      114.5,
      98,
    ])
  })

  test('creates a WPS-compatible workbook with title, filters and score rows', async () => {
    const workbook = await buildPerformanceSurveyDashboardWorkbook(exportData)
    const buffer = await workbook.xlsx.writeBuffer()
    const reloaded = new ExcelJS.Workbook()
    await reloaded.xlsx.load(buffer)

    const worksheet = reloaded.worksheets[0]
    expect(worksheet.name).toBe('2026-07_品牌创意主管')
    expect(worksheet.getCell('A1').value).toBe('2026-07 · 品牌创意主管考核调研得分')
    expect(worksheet.getCell('A5').value).toBe(1)
    expect(worksheet.getCell('H5').value).toBe('待评分')
    expect(worksheet.getCell('I5').value).toBe(114.5)
    expect(worksheet.autoFilter).toBe('A4:J4')
  })

  test('sanitizes file-system reserved characters', () => {
    expect(sanitizePerformanceSurveyExportFileName('考核:品牌/设计*主管'))
      .toBe('考核_品牌_设计_主管.xlsx')
  })

  test('keeps the browser context when opening the native save picker', async () => {
    const handle = { createWritable: jest.fn() }
    const picker = jest.fn(function (this: unknown) {
      expect(this).toBe(window)
      return Promise.resolve(handle)
    })
    Object.defineProperty(window, 'showSaveFilePicker', {
      configurable: true,
      value: picker,
    })

    await expect(choosePerformanceSurveyExportDestination('考核调研.xlsx'))
      .resolves.toEqual({ kind: 'file-system', handle })
    expect(picker).toHaveBeenCalledWith(expect.objectContaining({
      suggestedName: '考核调研.xlsx',
    }))

    delete (window as typeof window & { showSaveFilePicker?: unknown }).showSaveFilePicker
  })

  test('uses a native blob download when the save picker is unavailable', async () => {
    const createObjectURL = jest.fn(() => 'blob:performance-survey-export')
    const revokeObjectURL = jest.fn()
    Object.defineProperty(URL, 'createObjectURL', { configurable: true, value: createObjectURL })
    Object.defineProperty(URL, 'revokeObjectURL', { configurable: true, value: revokeObjectURL })
    const click = jest.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => {})

    await savePerformanceSurveyDashboardWorkbook(
      exportData,
      '考核调研_品牌创意主管_2026-07.xlsx',
      { kind: 'download' },
    )

    expect(createObjectURL).toHaveBeenCalledWith(expect.any(Blob))
    expect(click).toHaveBeenCalledTimes(1)
    await new Promise((resolve) => window.setTimeout(resolve, 0))
    expect(revokeObjectURL).toHaveBeenCalledWith('blob:performance-survey-export')
    click.mockRestore()
  })
})