import ElementPlus from 'element-plus'
import { createPinia, setActivePinia } from 'pinia'
import { enableAutoUnmount, flushPromises, mount } from '@vue/test-utils'
import { afterAll, afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { useAccessPreviewStore } from '@/core/access/accessPreview'
import { useAuthStore } from '@/core/auth/auth'
import { listPlatformTenants } from '@/modules/iam'
import { getFinanceFeeSource, getReconciliationStatement, listFinanceStatements } from '../api/finance'
import type { FinanceReconciliationDetail, FinanceStatementReadModel } from '../types'
import FinanceCustomerStatementsView from './FinanceCustomerStatementsView.vue'

vi.mock('@/modules/iam', () => ({ listPlatformTenants: vi.fn() }))
vi.mock('../api/finance', () => ({
  actionReconciliationStatement: vi.fn(), createReconciliationStatement: vi.fn(),
  getFinanceFeeSource: vi.fn(), getReconciliationStatement: vi.fn(), listFinanceStatements: vi.fn(),
}))

class ResizeObserverStub implements ResizeObserver { observe() {} unobserve() {} disconnect() {} }
function memoryStorage(): Storage {
  const values = new Map<string, string>()
  return { get length() { return values.size }, clear: () => values.clear(), getItem: (key) => values.get(key) ?? null, key: (index) => [...values.keys()][index] ?? null, removeItem: (key) => values.delete(key), setItem: (key, value) => values.set(key, value) }
}

const statement: FinanceStatementReadModel = {
  id: '501', customerId: '10001', billNo: 'REC-501', customerName: '客户A', billDate: '2026-08-31', dueDate: '',
  totalAmount: 300, receivedAmount: 100, outstandingAmount: 200, currency: 'CNY', status: 'ISSUED', version: 3,
  createdBy: '创建人A', createdAt: '2026-08-01 09:00:00', updatedBy: '更新人B', updatedAt: '2026-08-20 11:00:00',
}
const detail: FinanceReconciliationDetail = {
  ...statement, paidAmount: 100, periodStart: '2026-08-01', periodEnd: '2026-08-31', creditDays: 30, settled: false, remark: '八月账单',
  createdBy: '创建人A', createdAt: '2026-08-01 09:00:00', updatedBy: '更新人B', updatedAt: '2026-08-20 11:00:00',
  lines: [{ statementLineId: '601', sourceFeeId: '81', sourceFeeVersion: 2, sourceHash: 'hash-81', orderId: '11', inboundId: '21', containerId: '31', feeItemName: '运费', sourceAmount: 320, amount: 300, adjustmentReason: '优惠调整' }],
  paymentHistory: [{ transactionId: '701', transactionType: 'RECEIPT', transactionDate: '2026-08-20', amount: 100, method: 'BANK_TRANSFER', referenceNo: 'PAY-701', createdBy: '财务员', occurredAt: '2026-08-20 10:00:00' }],
  revisions: [],
}

async function mountPage(permissions = ['platform:finance:customer-statement:list']) {
  const pinia = createPinia(); setActivePinia(pinia)
  const auth = useAuthStore(); auth.token = 'token'; auth.permissions = permissions
  useAccessPreviewStore().initializeAfterLogin()
  const wrapper = mount(FinanceCustomerStatementsView, { attachTo: document.body, global: { plugins: [pinia, ElementPlus] } })
  await flushPromises()
  return wrapper
}

enableAutoUnmount(afterEach)
afterAll(() => vi.unstubAllGlobals())

describe('FinanceCustomerStatementsView', () => {
  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', memoryStorage())
    vi.stubGlobal('sessionStorage', memoryStorage())
    vi.stubGlobal('URL', { createObjectURL: vi.fn(() => 'blob:statement-export'), revokeObjectURL: vi.fn() })
    document.body.innerHTML = ''
    vi.mocked(listPlatformTenants).mockResolvedValue({ records: [{ id: '10001', tenantName: '客户A', status: 'ACTIVE' } as never], page: 1, size: 200, total: 1, pages: 1 })
    vi.mocked(listFinanceStatements).mockResolvedValue([statement])
    vi.mocked(getReconciliationStatement).mockResolvedValue(detail)
    vi.mocked(getFinanceFeeSource).mockResolvedValue({
      poolItemId: '81', feeSourceId: '81', customerId: '10001', customerName: '客户A', supplierId: null, supplierName: '',
      direction: 'RECEIVABLE', sourceType: 'CONTAINER_FEE', sourceId: 'FEE-81', sourceFeeId: 'FEE-81', sourceVersion: 2,
      orderId: '11', inboundId: '21', inboundCode: 'IN-21', containerId: '31', containerNo: 'CONT-31', businessDate: '2026-08-15',
      feeItemName: '运费', quantity: 10, unitPrice: 30, amount: 300, currency: 'CNY', reviewStatus: 'APPROVED', settlementIncluded: true,
      sourceStatus: 'AVAILABLE', status: 'AVAILABLE', statementGenerated: true, operationVersion: 2, createdAt: '2026-08-15',
    })
  })

  it('renders the main table and linked detail/payment tables on the same page', async () => {
    const wrapper = await mountPage()
    await (wrapper.vm as unknown as { openDetail(row: FinanceStatementReadModel): Promise<void> }).openDetail(statement)
    await flushPromises()
    expect(document.body.textContent).toContain('账单明细表')
    expect(document.body.textContent).toContain('账单支付历史表')
    expect(document.body.textContent).toContain('REC-501')
    expect(document.body.textContent).toContain('CONT-31')
    expect(document.body.textContent).toContain('IN-21')
    expect(document.body.textContent).not.toContain('来源版本')
    expect(document.body.textContent).not.toContain('hash-81')
    expect(document.body.textContent).toContain('优惠调整')
    expect(document.body.textContent).toContain('创建人A')
    expect(document.body.textContent).toContain('2026-08-20 11:00')
    expect(document.querySelector('.el-drawer')).toBeNull()
  })

  it('resolves customer names from the active customer list and never exposes internal customer or operator ids', async () => {
    const internalCustomerId = '2088123456789'
    const internalOperatorId = '1000001'
    vi.mocked(listPlatformTenants).mockResolvedValue({ records: [{ id: internalCustomerId, tenantName: '虫虫跨境科技', status: 'ACTIVE' } as never], page: 1, size: 200, total: 1, pages: 1 })
    const internalStatement = {
      ...statement, customerId: internalCustomerId, customerName: `客户${internalCustomerId}`,
      createdBy: internalOperatorId, createdAt: '2026-08-14T03:27:34Z', updatedBy: internalOperatorId, updatedAt: '2026-08-14T04:28:35Z',
    }
    const internalDetail = {
      ...detail, ...internalStatement,
      paymentHistory: [{ ...detail.paymentHistory[0]!, createdBy: internalOperatorId, occurredAt: '2026-08-14T04:28:35Z' }],
    }
    vi.mocked(listFinanceStatements).mockResolvedValue([internalStatement])
    vi.mocked(getReconciliationStatement).mockResolvedValue(internalDetail)

    const wrapper = await mountPage(['platform:finance:customer-statement:list', 'platform:customer:list', 'platform:finance:reconciliation:adjust'])
    await (wrapper.vm as unknown as { openDetail(row: FinanceStatementReadModel): Promise<void> }).openDetail(internalStatement)
    await flushPromises()

    const text = document.body.textContent || ''
    expect(text).toContain('虫虫跨境科技')
    expect(document.querySelector('[aria-label="客户对账单列表"]')?.textContent).toContain('虫虫跨境科技')
    expect(document.querySelector('[aria-label="所选对账单联动明细"]')?.textContent).toContain('虫虫跨境科技')
    expect(text).not.toContain(`客户${internalCustomerId}`)
    expect(text).not.toContain(internalOperatorId)
    expect(text).toContain('操作人信息缺失')
    expect(text).toContain('2026-08-14 03:27')
    expect(text).not.toContain('2026-08-14T03:27:34Z')

    await (wrapper.vm as unknown as { openAdjustment(row: FinanceStatementReadModel): Promise<void> }).openAdjustment(internalStatement)
    await flushPromises()
    expect(document.body.textContent).toContain('调整客户对账单')
    expect(document.body.textContent).toContain('运费')
  })

  it('filters hydrated statements by status, bill number, container, period, settlement and payment date', async () => {
    const wrapper = await mountPage()
    const vm = wrapper.vm as unknown as { load(model: Record<string, unknown>): Promise<void>; filters: Record<string, unknown>; filteredRows: FinanceStatementReadModel[] }
    await vm.load({
      status: 'ISSUED', billNo: '501', customerId: '', containerNo: 'CONT-31',
      periodStartRange: ['2026-08-01', '2026-08-02'], periodEndRange: ['2026-08-30', '2026-09-01'],
      settled: 'false', lastPaymentRange: ['2026-08-20', '2026-08-20'],
    })
    await flushPromises()
    expect(vm.filteredRows).toHaveLength(1)
    vm.filters.containerNo = 'CONT-99'
    await flushPromises()
    expect(vm.filteredRows).toHaveLength(0)
  })

  it('hydrates and exports the currently filtered real statement rows as CSV', async () => {
    const clicked = vi.spyOn(HTMLAnchorElement.prototype, 'click').mockImplementation(() => {})
    const wrapper = await mountPage()
    await (wrapper.vm as unknown as { exportStatements(): Promise<void> }).exportStatements()
    expect(getReconciliationStatement).toHaveBeenCalledWith('501')
    expect(URL.createObjectURL).toHaveBeenCalledWith(expect.any(Blob))
    expect(clicked).toHaveBeenCalledOnce()
  })

  it('disables statement generation when customer selection permission is missing', async () => {
    vi.mocked(listPlatformTenants).mockClear()
    await mountPage(['platform:finance:customer-statement:list', 'platform:finance:reconciliation:create'])
    const button = [...document.querySelectorAll('button')].find((item) => item.textContent?.includes('生成对账单'))
    expect(button).toBeTruthy()
    expect(button?.disabled).toBe(true)
    expect(listPlatformTenants).not.toHaveBeenCalled()
  })

  it('uses statement list permission for fee-source details without exposing technical trace fields', async () => {
    const wrapper = await mountPage(['platform:finance:customer-statement:list'])
    await (wrapper.vm as unknown as { openDetail(row: FinanceStatementReadModel): Promise<void> }).openDetail(statement)
    await flushPromises()
    expect(getFinanceFeeSource).toHaveBeenCalledWith('81')
    expect(document.body.textContent).toContain('CONT-31')
    expect(document.body.textContent).not.toContain('hash-81')
  })

  it('surfaces detail hydration failures instead of silently returning an empty filtered list', async () => {
    const wrapper = await mountPage()
    vi.mocked(getReconciliationStatement).mockRejectedValueOnce(new Error('detail unavailable'))
    await (wrapper.vm as unknown as { load(model: Record<string, unknown>): Promise<void> }).load({ status: 'ISSUED' })
    await flushPromises()
    expect(document.body.textContent).toContain('筛选字段加载失败')
  })

  it('keeps the failed selected row visible and exposes a detail retry state', async () => {
    const wrapper = await mountPage()
    vi.mocked(getReconciliationStatement).mockRejectedValueOnce(new Error('detail unavailable'))
    await (wrapper.vm as unknown as { openDetail(row: FinanceStatementReadModel): Promise<void> }).openDetail(statement)
    await flushPromises()
    expect(document.body.textContent).toContain('已选择 1 项')
    expect(document.body.textContent).toContain('明细加载失败')
    expect(document.body.textContent).toContain('重试')
  })
})