jest.mock('@/api/budget/leadDepartment.js', () => ({}))
jest.mock('@/views/budget/collection/components/BudgetSubmissionForm.vue', () => ({}))

import LeadDepartmentSummaryForm from '@/views/budget/collection/components/LeadDepartmentSummaryForm.vue'

function createContext() {
  const methods = LeadDepartmentSummaryForm.methods
  const context = {
    formData: {
      economicSummary: [],
      fundApplication: {
        newProject: {},
        oldProject: {}
      },
      implementationScheduleDetail: {}
    },
    $set(target, key, value) {
      target[key] = value
    }
  }
  context.normalizeFileList = methods.normalizeFileList.bind(context)
  context.mergeFileLists = methods.mergeFileLists.bind(context)
  return context
}

describe('LeadDepartmentSummaryForm automatic aggregation', () => {
  const submissions = [
    {
      departmentName: '监测一科',
      economicItems: [{
        categoryId: 1,
        categoryName: '物业管理费',
        amount: '10.0000',
        calculationBasis: '10个月 × 1万元',
        files: [{ id: 101, name: '一科.pdf' }]
      }],
      fundApplication: {
        newProject: { totalAmount: '3.0000', yearCurrent: '2.0000', yearNext: '1.0000' },
        oldProject: { contractTotal: '8.0000', previousYearsTotal: '4.0000', previousYearBalance: '1.0000', yearCurrent: '2.0000' }
      },
      implementationScheduleDetail: { currentYearAmount: '4.0000', currentYearMonth1: '1.0000', currentYearMonth2: '3.0000' }
    },
    {
      departmentName: '监测二科',
      economicItems: [{
        categoryId: 1,
        categoryName: '物业管理费',
        amount: '20.0000',
        calculationBasis: '20个月 × 1万元',
        files: [{ id: 102, name: '二科.pdf' }]
      }],
      fundApplication: {
        newProject: { totalAmount: '5.0000', yearCurrent: '3.0000', yearNext: '2.0000' },
        oldProject: { contractTotal: '12.0000', previousYearsTotal: '6.0000', previousYearBalance: '2.0000', yearCurrent: '4.0000' }
      },
      implementationScheduleDetail: { currentYearAmount: '6.0000', currentYearMonth1: '2.0000', currentYearMonth2: '4.0000' }
    }
  ]

  it('combines economic amounts, department-labelled bases, and every attachment', () => {
    const context = createContext()

    LeadDepartmentSummaryForm.methods.generateEconomicSummary.call(context, submissions)

    expect(context.formData.economicSummary).toEqual([expect.objectContaining({
      categoryId: 1,
      totalAmount: '30.0000',
      departmentCount: 2,
      summaryCalculationBasis: '监测一科：10个月 × 1万元\n\n监测二科：20个月 × 1万元',
      fileList: [
        expect.objectContaining({ fileId: 101 }),
        expect.objectContaining({ fileId: 102 })
      ]
    })])
  })

  it('adds all seven fund fields and all thirteen schedule amount fields', () => {
    const context = createContext()

    LeadDepartmentSummaryForm.methods.aggregateFundApplication.call(context, submissions)
    LeadDepartmentSummaryForm.methods.aggregateImplementationScheduleAmounts.call(context, submissions)

    expect(context.formData.fundApplication).toEqual({
      newProject: { totalAmount: '8.0000', yearCurrent: '5.0000', yearNext: '3.0000' },
      oldProject: { contractTotal: '20.0000', previousYearsTotal: '10.0000', previousYearBalance: '3.0000', yearCurrent: '6.0000' }
    })
    expect(context.formData.implementationScheduleDetail.currentYearAmount).toBe('10.0000')
    expect(context.formData.implementationScheduleDetail.currentYearMonth1).toBe('3.0000')
    expect(context.formData.implementationScheduleDetail.currentYearMonth2).toBe('7.0000')
    expect(context.formData.implementationScheduleDetail.currentYearMonth12).toBe('0.0000')
  })

  it('inherits fixed-asset choices only when there is one department submission', () => {
    const context = createContext()
    context.formData.fundApplication = {
      newProject: { hasFixedAssets: null },
      oldProject: { hasFixedAssets: null }
    }

    LeadDepartmentSummaryForm.methods.aggregateFundApplication.call(context, submissions)

    expect(context.formData.fundApplication.newProject.hasFixedAssets).toBeNull()
    expect(context.formData.fundApplication.oldProject.hasFixedAssets).toBeNull()

    LeadDepartmentSummaryForm.methods.aggregateFundApplication.call(context, [{
      fundApplication: {
        newProject: { hasFixedAssets: true },
        oldProject: { hasFixedAssets: false }
      }
    }])

    expect(context.formData.fundApplication.newProject.hasFixedAssets).toBe(true)
    expect(context.formData.fundApplication.oldProject.hasFixedAssets).toBe(false)
  })

  it('restores saved economic summary content instead of recalculating it in edit mode', () => {
    const context = createContext()
    context.formData.economicSummary = [{
      categoryId: 1,
      summaryCalculationBasis: '自动生成的依据',
      fileList: [{ fileId: 101, name: '自动附件.pdf' }]
    }]

    LeadDepartmentSummaryForm.methods.mergeSavedEconomicSummary.call(context, [{
      categoryId: 1,
      summaryCalculationBasis: '已保存的汇总依据',
      files: [{ id: 201, name: '已保存附件.pdf' }]
    }])

    expect(context.formData.economicSummary[0]).toEqual(expect.objectContaining({
      summaryCalculationBasis: '已保存的汇总依据',
      fileList: [expect.objectContaining({ fileId: 201 })]
    }))
  })
})