import ElementPlus from 'element-plus'
import { createPinia, setActivePinia } from 'pinia'
import { createMemoryHistory, createRouter } from 'vue-router'
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 { ApiResponseError } from '@/shared/api/http'
import { listPlatformTenants, type PlatformTenantResource } from '@/modules/iam'
import { createReconciliationStatement, getFinanceFeeSource, listFinanceFeePool, reviewFinanceFeeSource, updateFinanceFeeSourceSettlementInclusion } from '../api/finance'
import type { FinanceFeeSourceDetail } from '../types'
import FinanceCustomerArapView from './FinanceCustomerArapView.vue'

vi.mock('@/modules/iam', () => ({ listPlatformTenants: vi.fn() }))
vi.mock('../api/finance', () => ({
  listFinanceFeePool: vi.fn(),
  getFinanceFeeSource: vi.fn(),
  reviewFinanceFeeSource: vi.fn(),
  updateFinanceFeeSourceSettlementInclusion: vi.fn(),
  createReconciliationStatement: vi.fn(),
}))

class ResizeObserverStub implements ResizeObserver {
  observe() {}
  unobserve() {}
  disconnect() {}
}

function createMemoryStorage(): 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 detail: FinanceFeeSourceDetail = {
  poolItemId: '42', feeSourceId: '42', direction: 'RECEIVABLE', sourceType: 'INBOUND_FEE', sourceId: '81', sourceFeeId: '81', sourceVersion: 3,
  customerId: '10001', customerName: '客户A', supplierId: null, supplierName: '', orderId: null, inboundId: '91', inboundCode: 'IB-91', containerId: null, containerNo: '',
  businessDate: '2026-08-11', feeItemName: '运费', quantity: 2, unitPrice: 50, amount: 100, currency: 'CNY', reviewStatus: 'PENDING', settlementIncluded: false,
  sourceStatus: 'AVAILABLE', status: 'AVAILABLE', statementGenerated: false, operationVersion: 3, createdAt: '2026-08-11', operationLogs: [],
}

async function mountView(permissions: string[], initialPath = '/finance/customer-arap') {
  const pinia = createPinia(); setActivePinia(pinia)
  const auth = useAuthStore(); auth.token = 'token'; auth.permissions = permissions
  useAccessPreviewStore().initializeAfterLogin()
  const router = createRouter({ history: createMemoryHistory(), routes: [
    { path: '/finance/customer-arap', name: 'finance-customer-arap', component: FinanceCustomerArapView },
    { path: '/finance/customer-arap/:feeSourceId', name: 'finance-customer-arap-detail', component: FinanceCustomerArapView },
  ] })
  await router.push(initialPath); await router.isReady()
  const wrapper = mount(FinanceCustomerArapView, { attachTo: document.body, global: { plugins: [pinia, ElementPlus, router] } })
  await flushPromises()
  return Object.assign(wrapper, { router })
}

async function loadRows(wrapper: Awaited<ReturnType<typeof mountView>>) {
  const vm = wrapper.vm as unknown as { load(model: Record<string, string>): Promise<void> }
  await vm.load({ customerId: '10001', direction: '', status: '', keyword: '' })
  await flushPromises()
}

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

describe('FinanceCustomerArapView G2 operations', () => {
  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', createMemoryStorage())
    vi.stubGlobal('sessionStorage', createMemoryStorage())
    document.body.innerHTML = ''
    const customer = { id: '10001', tenantName: '客户A', status: 'ACTIVE' } as PlatformTenantResource
    vi.mocked(listPlatformTenants).mockReset().mockResolvedValue({ records: [customer], page: 1, size: 200, total: 1, pages: 1 })
    vi.mocked(listFinanceFeePool).mockReset().mockResolvedValue([{ poolItemId: 'RECEIVABLE:42', feeSourceId: '42', customerId: '10001', direction: 'RECEIVABLE', sourceType: 'INBOUND_FEE', sourceId: '81', sourceVersion: 3, orderId: null, inboundId: '91', containerId: null, feeItemName: '运费', amount: 100, currency: 'CNY', status: 'AVAILABLE', createdAt: '2026-08-11' }])
    vi.mocked(getFinanceFeeSource).mockReset().mockResolvedValue(detail)
    vi.mocked(reviewFinanceFeeSource).mockReset().mockResolvedValue({ ...detail, reviewStatus: 'APPROVED', operationVersion: 4 })
    vi.mocked(updateFinanceFeeSourceSettlementInclusion).mockReset().mockResolvedValue({ ...detail, reviewStatus: 'APPROVED', settlementIncluded: true, operationVersion: 4 })
    vi.mocked(createReconciliationStatement).mockReset().mockResolvedValue({} as never)
  })

  it('shows detail from the list permission but keeps G2 operations independent', async () => {
    const wrapper = await mountView(['platform:finance:customer-arap:list'])
    await loadRows(wrapper)

    const buttonLabels = wrapper.findAll('button').map((button) => button.text())
    expect(buttonLabels).not.toContain('审核')
    expect(buttonLabels).not.toContain('结算')
    const vm = wrapper.vm as unknown as { openDetail(row: Record<string, unknown>): Promise<void> }
    await vm.openDetail({ id: 'RECEIVABLE:42', feeSourceId: '42' })
    expect(getFinanceFeeSource).toHaveBeenCalledWith('42')
    expect(reviewFinanceFeeSource).not.toHaveBeenCalled()
    expect(updateFinanceFeeSourceSettlementInclusion).not.toHaveBeenCalled()
  })

  it('loads all customers by default and keeps explicit customer filtering', async () => {
    const wrapper = await mountView(['platform:finance:customer-arap:list', 'platform:customer:list'])
    expect(listFinanceFeePool).toHaveBeenCalledWith(undefined, undefined)
    const vm = wrapper.vm as unknown as { load(model: Record<string, string>): Promise<void> }
    await vm.load({ customerId: '10001', direction: 'RECEIVABLE', status: '', keyword: '' })
    expect(listFinanceFeePool).toHaveBeenLastCalledWith('10001', 'RECEIVABLE')
    expect(wrapper.text()).not.toContain('全客户查询暂不可用')
  })

  it('maps each all-customer fee row with its backend customerId', async () => {
    const customerB = { id: '10002', tenantName: '客户B', status: 'ACTIVE' } as PlatformTenantResource
    vi.mocked(listPlatformTenants).mockResolvedValue({ records: [{ id: '10001', tenantName: '客户A', status: 'ACTIVE' } as PlatformTenantResource, customerB], page: 1, size: 200, total: 2, pages: 1 })
    vi.mocked(listFinanceFeePool).mockResolvedValue([
      { poolItemId: 'RECEIVABLE:42', feeSourceId: '42', customerId: '10001', direction: 'RECEIVABLE', sourceType: 'INBOUND_FEE', sourceId: '81', sourceVersion: 3, orderId: null, inboundId: '91', containerId: null, feeItemName: '运费', amount: 100, currency: 'CNY', status: 'AVAILABLE', createdAt: '2026-08-11' },
      { poolItemId: 'PAYABLE:43', feeSourceId: null, customerId: '10002', direction: 'PAYABLE', sourceType: 'MANUAL_COST', sourceId: '43', sourceVersion: 1, orderId: '11', inboundId: null, containerId: null, feeItemName: '拖车费', amount: 200, currency: 'CNY', status: 'POSTED', createdAt: '2026-08-10' },
    ])
    const wrapper = await mountView(['platform:finance:customer-arap:list'])
    const vm = wrapper.vm as unknown as { load(model: Record<string, string>): Promise<void> }
    await vm.load({ customerId: '', direction: '', status: '', keyword: '' })
    await flushPromises()
    expect(wrapper.text()).toContain('客户A')
    expect(wrapper.text()).toContain('客户B')
  })

  it('loads detail and submits review and settlement changes with the returned version', async () => {
    const wrapper = await mountView(['platform:finance:customer-arap:list', 'platform:finance:fee-source:view', 'platform:finance:fee-source:review', 'platform:finance:fee-source:settlement'])
    await loadRows(wrapper)
    const vm = wrapper.vm as unknown as {
      openDetail(row: Record<string, unknown>): Promise<void>
      openReview(row: Record<string, unknown>): Promise<void>
      submitReview(): Promise<void>
      openInclusion(row: Record<string, unknown>): Promise<void>
      submitInclusion(): Promise<void>
      reviewForm: { action: 'APPROVE' | 'REJECT'; reason: string }
      inclusionForm: { included: boolean; reason: string }
    }
    const row = { id: 'RECEIVABLE:42', feeSourceId: '42' }

    await vm.openDetail(row); await flushPromises()
    expect(getFinanceFeeSource).toHaveBeenCalledWith('42')
    expect(document.body.textContent).toContain('IB-91')
    expect(document.body.textContent).toContain('100.00 CNY')

    await vm.openReview(row); vm.reviewForm.action = 'APPROVE'; vm.reviewForm.reason = '核对无误'; await vm.submitReview()
    expect(reviewFinanceFeeSource).toHaveBeenCalledWith('42', { action: 'APPROVE', reason: '核对无误', expectedVersion: 3 })

    await vm.openInclusion(row); vm.inclusionForm.included = true; vm.inclusionForm.reason = '本期结算'; await vm.submitInclusion()
    expect(updateFinanceFeeSourceSettlementInclusion).toHaveBeenCalledWith('42', { included: true, reason: '本期结算', expectedVersion: 3 })
  })

  it('renders request and trace ids when detail loading fails', async () => {
    vi.mocked(getFinanceFeeSource).mockRejectedValueOnce(new ApiResponseError('费用来源不可用', 'FIN-FEE-404', 404, undefined, 'req-g2-error', 'trace-g2-error'))
    const wrapper = await mountView(['platform:finance:customer-arap:list', 'platform:finance:fee-source:view'])
    await loadRows(wrapper)
    const vm = wrapper.vm as unknown as { openDetail(row: Record<string, unknown>): Promise<void> }

    await vm.openDetail({ id: 'RECEIVABLE:42', feeSourceId: '42' }); await flushPromises()

    expect(document.body.textContent).toContain('费用来源不可用')
    expect(document.body.textContent).toContain('req-g2-error')
    expect(document.body.textContent).toContain('trace-g2-error')
  })

  it('restores the independent detail route from its fee source id', async () => {
    const wrapper = await mountView(['platform:finance:customer-arap:list'], '/finance/customer-arap/42')
    expect(getFinanceFeeSource).toHaveBeenCalledWith('42')
    expect(wrapper.text()).toContain('费用来源详情')
    expect(wrapper.text()).toContain('IB-91')
    expect(wrapper.router.currentRoute.value.name).toBe('finance-customer-arap-detail')
  })

  it('creates a reconciliation draft from selected eligible receivables', async () => {
    const wrapper = await mountView(['platform:finance:customer-arap:list', 'platform:finance:reconciliation:create'])
    await loadRows(wrapper)
    const vm = wrapper.vm as unknown as {
      selectedRows: Array<Record<string, unknown>>
      generationForm: { mode: 'BY_CUTOFF' | 'SELECTED'; customerId: string; period: string[]; remark: string }
      submitGeneration(): Promise<void>
    }
    vm.selectedRows = [{ id: 'RECEIVABLE:42', feeSourceId: '42', direction: 'RECEIVABLE', reviewStatus: 'APPROVED', settlementIncluded: true, statementGenerated: false, amount: 100 }]
    Object.assign(vm.generationForm, { mode: 'SELECTED', customerId: '10001', period: ['2026-08-01', '2026-08-31'], remark: '八月费用' })
    await vm.submitGeneration()
    expect(createReconciliationStatement).toHaveBeenCalledWith({ customerId: '10001', currency: 'CNY', generationMode: 'SELECTED', feeSourceIds: ['42'], periodStart: '2026-08-01', periodEnd: '2026-08-31', remark: '八月费用' })
  })
})