import { readFileSync } from 'node:fs'
import { resolve } from 'node:path'
import ElementPlus, { ElMessage } from 'element-plus'
import { createPinia, setActivePinia } from 'pinia'
import { flushPromises, mount } from '@vue/test-utils'
import { createMemoryHistory, createRouter } from 'vue-router'
import { afterAll, beforeEach, describe, expect, it, vi } from 'vitest'
import { useAccessPreviewStore } from '@/core/access/accessPreview'
import { useAuthStore } from '@/core/auth/auth'
import { createPlatformExportTask } from '@/modules/downloads'
import { listPlatformTenants, type PlatformTenantResource } from '@/modules/iam'
import { showExportTaskCreatedDialog } from '@/shared/components/exportTaskCreatedDialog'
import { listFinanceAccountLedger, listFinanceAccounts } from '../api/finance'
import FinanceCustomerAccountsView from './FinanceCustomerAccountsView.vue'

vi.mock('../api/finance', () => ({
  listFinanceAccounts: vi.fn(),
  listFinanceAccountLedger: vi.fn(),
  getFinanceCustomerTerms: vi.fn(),
  updateFinanceCustomerTerms: vi.fn(),
}))
vi.mock('@/modules/iam', () => ({ listPlatformTenants: vi.fn() }))
vi.mock('@/modules/downloads', () => ({ createPlatformExportTask: vi.fn() }))
vi.mock('@/shared/components/exportTaskCreatedDialog', () => ({ showExportTaskCreatedDialog: 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) }
}

async function mountAccountsView(permissions: string[], initialPath = '/finance/customer-accounts') {
  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-accounts', name: 'finance-customer-accounts', component: FinanceCustomerAccountsView },
    { path: '/finance/customer-accounts/:customerId', name: 'finance-customer-account-detail', component: FinanceCustomerAccountsView },
    { path: '/downloads', name: 'download-center', component: { template: '<div>下载中心</div>' } },
  ] })
  await router.push(initialPath); await router.isReady()
  const wrapper = mount(FinanceCustomerAccountsView, { global: { plugins: [pinia, ElementPlus, router] } })
  await flushPromises()
  return Object.assign(wrapper, { router })
}

describe('FinanceCustomerAccountsView delivery', () => {
  const page = readFileSync(resolve(process.cwd(), 'src/modules/finance/pages/FinanceCustomerAccountsView.vue'), 'utf8')
  const routes = readFileSync(resolve(process.cwd(), 'src/modules/finance/routes.ts'), 'utf8')

  it('keeps the account detail as a full page with traceable ledger controls', () => {
    expect(page).toContain('v-else-if="!detailOpen"')
    expect(page).toContain('返回客户账户')
    expect(page).toContain('<DetailPageLayout')
    expect(page).toContain('class="account-metrics"')
    expect(page).toContain('待收金额')
    expect(page).toContain('待开账金额')
    expect(page).toContain('class="ledger-query"')
    expect(page).toContain('@search="ledgerPage = 1; void loadLedger($event)"')
    expect(page).toContain('class="ledger-table"')
    expect(page).toContain('<template #toolbar-actions>')
    expect(page).toContain('<template #pagination-left>共 {{ ledgerTotal }} 条</template>')
    expect(page).not.toContain('class="detail-toolbar"')
    expect(page).not.toContain('<AppDrawer')
    for (const marker of ['流水类型', '发生日期', '导出流水', 'listFinanceAccountLedger']) expect(page).toContain(marker)
    for (const code of ['RECONCILIATION_CREATED', 'SETTLEMENT_ISSUED', 'RECEIPT', 'PAYMENT', 'ADJUSTMENT', 'VOID']) expect(page).toContain(code)
    for (const removed of ['FEE_INCLUDED', 'FEE_EXCLUDED', '纳入结算', '排除结算']) expect(page).not.toContain(removed)
    for (const obsolete of ["value: 'FEE_SOURCE'", "value: 'RECONCILIATION'", "value: 'SETTLEMENT'"]) expect(page).not.toContain(obsolete)
  })

  it('keeps term editing aligned with the account summary and nearby actions', () => {
    for (const marker of ['class="term-section"', 'class="term-editor"', '账期天数', '#footer', '保存账期']) expect(page).toContain(marker)
    expect(page).toContain('grid-template-columns: repeat(3, minmax(0, 1fr))')
    for (const metric of ['总成本(CNY)', '已付成本(CNY)', '总成本', '已付成本', '待付金额']) expect(page).toContain(metric)
    expect(page).toContain('grid-template-columns: 120px minmax(0, 220px)')
    expect(page).toContain('justify-content: start')
    expect(page).toContain('class="surface-panel finance-account-detail__surface"')
    expect(page).toContain('min-height: 64px')
    expect(page).toContain('padding: 0 0 12px')
    expect(page).toContain('class="detail-table-scroll"')
    expect(page).toContain('class="ledger-identifier"')
    expect(page).toContain('class="ledger-document"')
    expect(page).toContain('text-overflow: ellipsis')
    expect(page).toContain('white-space: nowrap')
  })

  it('keeps account detail and term editing readable across the 1920 workspace', () => {
    expect(page).toContain('width: min(100%, 1920px)')
    expect(page).toContain('@media (min-width: 1920px)')
    expect(page).toContain('.finance-account-detail__layout :deep(.detail-page-layout__content)')
    expect(page).toContain('padding: 0 14px 10px')
    expect(page).not.toContain('max-width: 520px')
  })

  it('renders every account row operation as a small plain primary button with an icon', () => {
    expect(page).toContain("{ key: 'actions', label: '操作', width: 160, fixed: 'left', slotName: 'actions' }")
    expect(page).toContain('<el-button size="small" plain type="primary" @click="openAccount(row, false)"><Eye :size="15" />查看</el-button>')
    expect(page).toContain('<el-button v-if="canUpdateTerms" size="small" plain type="primary" @click="openAccount(row, true)"><Pencil :size="15" />账期</el-button>')
    expect(page).not.toMatch(/<template #actions[\s\S]*?<el-button[^>]*\blink\b/)
    expect(page).toContain('.row-actions {')
    expect(page).toContain('white-space: nowrap')
  })

  it('shows only derived CNY summaries and no wallet actions', () => {
    for (const marker of ['未收', '待出账', '本期已收', '应付', 'CNY']) expect(page).toContain(marker)
    for (const forbidden of ['手动充值', '钱包', '外币', '发票', '利润']) expect(page).not.toContain(forbidden)
  })

  it('selects an active customer by name from master data', () => {
    expect(page).toContain("key: 'customerId', type: 'select'")
    expect(page).toContain("label: '客户名称'")
    expect(page).toContain('item.tenantName')
    expect(page).not.toContain('tenantCode')
    expect(page).toContain('listPlatformTenants')
    expect(page).not.toContain("key: 'keyword', type: 'input'")
  })

  it('supports a refreshable customer detail route without inventing an API parameter', () => {
    expect(routes).toContain("path: 'finance/customer-accounts/:customerId'")
    expect(page).toContain("name: 'finance-customer-account-detail'")
    expect(page).toContain('restoreAccountDetail(customerId)')
    expect(page).toContain("listFinanceAccounts({ page: currentPage, size: 200 })")
    expect(page).toContain('customerId: String(filters.value.customerId ||')
  })

  beforeEach(() => {
    vi.stubGlobal('ResizeObserver', ResizeObserverStub)
    vi.stubGlobal('localStorage', memoryStorage())
    vi.stubGlobal('sessionStorage', memoryStorage())
    vi.mocked(listFinanceAccounts).mockReset().mockResolvedValue({ records: [{ customerId: '10001', customerCode: 'C-001', customerName: '客户A', contactName: '张三', contactPhone: '13800000000', outstandingReceivable: 100, pendingBilling: 20, receivedInPeriod: 30, totalCost: 90, paidCost: 50, outstandingPayable: 40, status: 'ACTIVE', lastChangedAt: '2026-08-13 10:00:00' }], total: 1, pages: 1 })
    vi.mocked(listFinanceAccountLedger).mockReset().mockResolvedValue({ records: [{ ledgerId: '1', occurredAt: '2026-08-13T10:00:00', businessType: 'REC', documentType: 'RECEIPT', documentId: '2', documentNo: 'REC-2', receivableChange: -10, payableChange: 0, outstandingReceivableAfter: 90, operatorName: 'operator-1000001', remark: '收款' }], total: 1, pages: 1 })
    vi.mocked(listPlatformTenants).mockReset().mockResolvedValue({ records: [{ id: '10001', tenantName: '客户A', status: 'ACTIVE' } as PlatformTenantResource], page: 1, size: 200, total: 1, pages: 1 })
    vi.mocked(createPlatformExportTask).mockReset().mockResolvedValue({ id: 'exp-1', taskNo: 'EXP-1', taskName: '客户账户', status: 'PENDING' } as never)
    vi.mocked(showExportTaskCreatedDialog).mockReset().mockResolvedValue(false)
  })

  it('restores account summary and ledger after opening the detail URL directly', async () => {
    const pinia = createPinia(); setActivePinia(pinia)
    const auth = useAuthStore(); auth.token = 'token'; auth.permissions = ['platform:finance:customer-account:list']
    useAccessPreviewStore().initializeAfterLogin()
    const router = createRouter({ history: createMemoryHistory(), routes: [
      { path: '/finance/customer-accounts', name: 'finance-customer-accounts', component: FinanceCustomerAccountsView },
      { path: '/finance/customer-accounts/:customerId', name: 'finance-customer-account-detail', component: FinanceCustomerAccountsView },
    ] })
    await router.push('/finance/customer-accounts/10001'); await router.isReady()
    const wrapper = mount(FinanceCustomerAccountsView, { global: { plugins: [pinia, ElementPlus, router] } })
    await flushPromises()

    expect(wrapper.text()).toContain('客户A')
    expect(wrapper.text()).toContain('C-001')
    expect(wrapper.text()).toContain('张三')
    expect(wrapper.text()).toContain('13800000000')
    expect(listFinanceAccounts).toHaveBeenCalledWith({ page: 1, size: 200 })
    expect(listFinanceAccountLedger).toHaveBeenCalledWith('10001', expect.objectContaining({ page: 1, size: 20 }))
    wrapper.unmount()
  })

  it('shows explicit master-data empty states without exposing the customer id', async () => {
    vi.mocked(listFinanceAccounts).mockResolvedValue({ records: [{ customerId: '10001', customerCode: '', customerName: '客户A', contactName: '', contactPhone: '', outstandingReceivable: 0, pendingBilling: 0, receivedInPeriod: 0, totalCost: 0, paidCost: 0, outstandingPayable: 0, status: 'ACTIVE', lastChangedAt: '' }], total: 1, pages: 1 })
    const wrapper = await mountAccountsView(['platform:finance:customer-account:list'])
    expect(wrapper.text()).toContain('客户编号')
    expect(wrapper.text()).toContain('联系人')
    expect(wrapper.text()).toContain('联系电话')
    expect(wrapper.text().match(/未维护/g)?.length).toBeGreaterThanOrEqual(3)
    expect(wrapper.text()).not.toContain('客户10001')
    wrapper.unmount()
  })

  it('formats known ledger codes, operator ids and timestamps for display', async () => {
    vi.mocked(listFinanceAccountLedger).mockResolvedValue({ records: [{ ledgerId: '2087867025978863617', occurredAt: '2026-08-13T10:00:00', businessType: 'SETTLEMENT_ISSUED', documentType: 'BILL', documentId: '2', documentNo: 'REC-00000000000000000001', receivableChange: 10, payableChange: 0, outstandingReceivableAfter: 90, operatorName: 'operator-1000001', remark: '结算单生效' }], total: 1, pages: 1 })
    const pinia = createPinia(); setActivePinia(pinia)
    const auth = useAuthStore(); auth.token = 'token'; auth.permissions = ['platform:finance:customer-account:list']
    useAccessPreviewStore().initializeAfterLogin()
    const router = createRouter({ history: createMemoryHistory(), routes: [
      { path: '/finance/customer-accounts', name: 'finance-customer-accounts', component: FinanceCustomerAccountsView },
      { path: '/finance/customer-accounts/:customerId', name: 'finance-customer-account-detail', component: FinanceCustomerAccountsView },
    ] })
    await router.push('/finance/customer-accounts/10001'); await router.isReady()
    const wrapper = mount(FinanceCustomerAccountsView, { global: { plugins: [pinia, ElementPlus, router] } })
    await flushPromises()
    expect(wrapper.text()).toContain('结算单生效')
    expect(wrapper.text()).toContain('REC-00000000000000000001')
    expect(wrapper.text()).toContain('名称数据缺失')
    expect(wrapper.text()).not.toContain('operator-1000001')
    expect(wrapper.text()).not.toContain('1000001')
    expect(wrapper.text()).not.toContain('2026-08-13T10:00:00')
    wrapper.unmount()
  })

  it('creates account and ledger export tasks from the complete active filters without page parameters', async () => {
    const permissions = ['platform:finance:customer-account:list', 'platform:finance:customer-account:export', 'platform:download:list']
    const listWrapper = await mountAccountsView(permissions)
    const listVm = listWrapper.vm as unknown as { filters: Record<string, unknown>; exportAccounts(): Promise<void> }
    Object.assign(listVm.filters, { customerId: '10001', status: 'ACTIVE' })
    await listVm.exportAccounts()
    expect(createPlatformExportTask).toHaveBeenLastCalledWith({
      exportType: 'FINANCE_CUSTOMER_ACCOUNT_LIST', format: 'XLSX', taskName: '客户账户',
      parameters: { customerId: '10001', status: 'ACTIVE' },
    })
    expect(createPlatformExportTask).not.toHaveBeenCalledWith(expect.objectContaining({ parameters: expect.objectContaining({ page: expect.anything() }) }))
    listWrapper.unmount()

    vi.mocked(createPlatformExportTask).mockResolvedValueOnce({ id: 'exp-2', taskNo: 'EXP-2', taskName: '客户账户流水', status: 'PENDING' } as never)
    const detailWrapper = await mountAccountsView(permissions, '/finance/customer-accounts/10001')
    const detailVm = detailWrapper.vm as unknown as { ledgerFilters: Record<string, unknown>; exportLedger(): Promise<void> }
    Object.assign(detailVm.ledgerFilters, { businessType: 'RECEIPT', occurredRange: ['2026-08-01', '2026-08-31'] })
    await detailVm.exportLedger()
    expect(createPlatformExportTask).toHaveBeenLastCalledWith({
      exportType: 'FINANCE_CUSTOMER_ACCOUNT_LEDGER', format: 'XLSX', taskName: '客户账户流水',
      parameters: { customerId: '10001', businessType: 'RECEIPT', startDate: '2026-08-01', endDate: '2026-08-31' },
    })
    expect(showExportTaskCreatedDialog).toHaveBeenLastCalledWith({ taskName: '客户账户流水', taskNo: 'EXP-2' })
    detailWrapper.unmount()
  })

  it('requires both the finance export permission and download-center access', async () => {
    const wrapper = await mountAccountsView(['platform:finance:customer-account:list', 'platform:finance:customer-account:export'])
    expect(wrapper.findAll('button').map((button) => button.text())).not.toContain('导出Excel')
    expect(createPlatformExportTask).not.toHaveBeenCalled()
    wrapper.unmount()
  })

  it('opens the download center after confirmation and reports task creation failures', async () => {
    const permissions = ['platform:finance:customer-account:list', 'platform:finance:customer-account:export', 'platform:download:list']
    vi.mocked(showExportTaskCreatedDialog).mockResolvedValueOnce(true)
    const wrapper = await mountAccountsView(permissions)
    await (wrapper.vm as unknown as { exportAccounts(): Promise<void> }).exportAccounts()
    expect(wrapper.router.currentRoute.value.name).toBe('download-center')
    wrapper.unmount()

    const errorSpy = vi.spyOn(ElMessage, 'error').mockImplementation(() => undefined as never)
    vi.mocked(createPlatformExportTask).mockRejectedValueOnce(new Error('导出服务不可用'))
    const failedWrapper = await mountAccountsView(permissions)
    await (failedWrapper.vm as unknown as { exportAccounts(): Promise<void> }).exportAccounts()
    expect(errorSpy).toHaveBeenCalledWith('客户账户导出任务创建失败')
    expect(showExportTaskCreatedDialog).toHaveBeenCalledTimes(1)
    failedWrapper.unmount()
    errorSpy.mockRestore()
  })
})

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