admin-web/src/modules/finance/pages/FinanceFormalSettlementPage.vue

<script setup lang="ts">
import { computed, onMounted, ref, watch } from 'vue'
import { ElMessage, ElMessageBox, type UploadFile } from 'element-plus'
import { ArrowLeft, CreditCard, Download, Eye, HandCoins, Plus, RotateCcw, XCircle } from '@lucide/vue'
import { useAccessPreviewStore } from '@/core/access/accessPreview'
import { listPlatformTenants, type PlatformTenantResource } from '@/modules/iam'
import { categoryLabels, listSuppliers, type Supplier } from '@/modules/suppliers'
import { getApiErrorDetails, type ApiErrorDetails } from '@/shared/api/http'
import AdminPage from '@/shared/components/AdminPage.vue'
import ApiErrorMeta from '@/shared/components/ApiErrorMeta.vue'
import AppDialog from '@/shared/components/AppDialog.vue'
import DataTable, { type DataTableColumn } from '@/shared/components/DataTable.vue'
import DetailPageLayout from '@/shared/components/DetailPageLayout.vue'
import FormSection from '@/shared/components/FormSection.vue'
import ListPageLayout from '@/shared/components/ListPageLayout.vue'
import LoadErrorState from '@/shared/components/LoadErrorState.vue'
import QueryToolbar, { type QueryField, type QueryModel } from '@/shared/components/QueryToolbar.vue'
import {
  actionFinanceSettlement,
  createFinanceReceipt,
  createFinanceSettlementPayment,
  createPayableSettlement,
  createReceivableSettlement,
  getFinanceSettlement,
  listFinanceFeePool,
  listFinancePayableSettlements,
  listFinanceReceivableSettlements,
  listFinanceStatements,
  uploadFinanceVoucher,
} from '../api/finance'
import { financeOperationActionLabel, financeSourceTypeLabel, financeStatusLabel, financeStatusTone } from '../status'
import type {
  FinanceFeePoolItem,
  FinancePayableSettlement,
  FinanceReceivableSettlement,
  FinanceSettlementDetail,
  FinanceStatementReadModel,
} from '../types'

type SettlementRow = FinanceReceivableSettlement | FinancePayableSettlement

const props = defineProps<{ kind: 'receivable' | 'payable'; settlementId?: string }>()
const emit = defineEmits<{ openDetail: [settlementId: string]; back: [] }>()
const access = useAccessPreviewStore()
const customers = ref<PlatformTenantResource[]>([])
const filters = ref<QueryModel>({ customerId: '', supplierName: '', settlementNo: '', status: '' })
const rows = ref<SettlementRow[]>([])
const loading = ref(false)
const error = ref<ApiErrorDetails | null>(null)
const customerError = ref<ApiErrorDetails | null>(null)
const detail = ref<FinanceSettlementDetail | null>(null)
const selectedRow = ref<SettlementRow | null>(null)
const detailLoading = ref(false)
const detailError = ref<ApiErrorDetails | null>(null)
const createOpen = ref(false)
const createBusy = ref(false)
const statementOptions = ref<FinanceStatementReadModel[]>([])
const feeOptions = ref<FinanceFeePoolItem[]>([])
const supplierOptions = ref<Supplier[]>([])
const suppliersLoaded = ref(false)
const createForm = ref({
  customerId: '',
  reconciliationStatementId: '',
  supplierId: '',
  feeSourceIds: [] as string[],
  dueDate: '',
})
const paymentOpen = ref(false)
const paymentBusy = ref(false)
const paymentFile = ref<File | null>(null)
const paymentForm = ref({ transactionDate: new Date().toISOString().slice(0, 10), amount: 0, method: 'BANK_TRANSFER' as 'BANK_TRANSFER' | 'CASH' | 'OTHER', referenceNo: '', remark: '' })
const receiptOpen = ref(false)
const receiptBusy = ref(false)
const receiptFile = ref<File | null>(null)
const receiptUploadKey = ref(0)
const receiptValidationError = ref<string | null>(null)
const receiptError = ref<ApiErrorDetails | null>(null)
const receiptForm = ref({ receivedDate: new Date().toISOString().slice(0, 10), amount: 0, paymentMethod: 'BANK_TRANSFER' as 'BANK_TRANSFER' | 'CASH' | 'OTHER', remark: '' })
const actionBusy = ref(false)

const createPermission = computed(() => props.kind === 'receivable' ? 'platform:finance:settlement-ar:create' : 'platform:finance:settlement-ap:create')
const listPermission = computed(() => props.kind === 'receivable' ? 'platform:finance:settlement-ar:list' : 'platform:finance:settlement-ap:list')
const canView = computed(() => access.can(listPermission.value))
const canListCustomers = computed(() => access.can('platform:customer:list'))
const canCreate = computed(() => access.can(createPermission.value))
const canPay = computed(() => props.kind === 'payable' && access.can('platform:finance:payment:create'))
const canReceive = computed(() => props.kind === 'receivable' && access.can('platform:finance:receipt:create'))
const canVoid = computed(() => access.can('platform:finance:settlement:void'))
const title = computed(() => props.kind === 'receivable' ? '结算单应收' : '结算单应付')
const detailMode = computed(() => Boolean(props.settlementId))
const createLabel = computed(() => props.kind === 'receivable' ? '生成应收结算单' : '生成应付结算单')
const activeCustomers = computed(() => customers.value.filter((item) => item.status === 'ACTIVE'))
const supplierNames = computed(() => [...new Set(rows.value.map((item) => 'supplierName' in item ? item.supplierName : '').filter(Boolean))])
const statusOptions = computed(() => [...new Set(rows.value.map((item) => item.status).filter(Boolean))])
const fields = computed<QueryField[]>(() => [
  { key: 'status', type: 'select', label: props.kind === 'receivable' ? '收款状态' : '付款状态', width: 180, placeholder: '全部状态', props: { clearable: true }, options: statusOptions.value.map((status) => ({ label: financeStatusLabel(status), value: status })) },
  ...(props.kind === 'receivable'
    ? [{ key: 'customerId', type: 'select' as const, label: '客户名称', width: 260, placeholder: '全部客户', props: { filterable: true, clearable: true, loading: !customers.value.length && !customerError.value }, options: activeCustomers.value.map((item) => ({ label: item.tenantName, value: String(item.id) })) }]
    : [
        { key: 'supplierName', type: 'select' as const, label: '供应商', width: 240, placeholder: '全部供应商', props: { filterable: true, clearable: true }, options: supplierNames.value.map((name) => ({ label: name, value: name })) },
        { key: 'customerId', type: 'select' as const, label: '客户名称', width: 260, placeholder: '全部客户', props: { filterable: true, clearable: true, loading: !customers.value.length && !customerError.value }, options: activeCustomers.value.map((item) => ({ label: item.tenantName, value: String(item.id) })) },
      ]),
  { key: 'settlementNo', type: 'input', label: '结算单号', width: 220, placeholder: '请输入结算单号' },
])
const filteredRows = computed(() => {
  const status = String(filters.value.status || '')
  const settlementNo = String(filters.value.settlementNo || '').trim().toLowerCase()
  const supplierName = String(filters.value.supplierName || '')
  return rows.value.filter((item) => (!status || item.status === status)
    && (!settlementNo || item.settlementNo.toLowerCase().includes(settlementNo))
    && (!supplierName || ('supplierName' in item && item.supplierName === supplierName)))
})
const totals = computed(() => filteredRows.value.reduce((result, row) => ({
  amount: result.amount + totalAmount(row),
  paid: result.paid + paidAmount(row),
  outstanding: result.outstanding + row.outstandingAmount,
}), { amount: 0, paid: 0, outstanding: 0 }))
const columns = computed<DataTableColumn[]>(() => props.kind === 'receivable'
  ? [
      { key: 'actions', label: '操作', width: 190, fixed: 'left', slotName: 'actions' },
      { key: 'settlementNo', label: '结算单号', minWidth: 180 },
      { key: 'customerId', label: '客户', minWidth: 180, slotName: 'customer' },
      { key: 'currency', label: '币种', width: 80 },
      { key: 'receivableAmount', label: '应收金额', width: 130, slotName: 'money' },
      { key: 'receivedAmount', label: '已收', width: 120, slotName: 'paidMoney' },
      { key: 'outstandingAmount', label: '余额', width: 120, slotName: 'outstandingMoney' },
      { key: 'billDate', label: '生成日期', width: 130, slotName: 'billDate' },
      { key: 'dueDate', label: '到期日', width: 130, slotName: 'dueDate' },
      { key: 'status', label: '收款状态', width: 120, slotName: 'status' },
    ]
  : [
      { key: 'actions', label: '操作', width: 190, fixed: 'left', slotName: 'actions' },
      { key: 'settlementNo', label: '结算单号', minWidth: 180 },
      { key: 'supplierName', label: '供应商', minWidth: 180, slotName: 'supplier' },
      { key: 'feeItemName', label: '费用类型', minWidth: 150, slotName: 'feeType' },
      { key: 'currency', label: '币种', width: 80 },
      { key: 'payableAmount', label: '应付金额', width: 130, slotName: 'money' },
      { key: 'paidAmount', label: '已付', width: 120, slotName: 'paidMoney' },
      { key: 'outstandingAmount', label: '余额', width: 120, slotName: 'outstandingMoney' },
      { key: 'createdAt', label: '生成日期', width: 130, slotName: 'createdAt' },
      { key: 'status', label: '付款状态', width: 120, slotName: 'status' },
    ])

function money(value: number) { return `¥${Number(value || 0).toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}` }
function displayDate(value?: string) { return value || '—' }
function displayDateTime(value?: string) { return value ? value.replace('T', ' ').slice(0, 16) : '—' }
function operatorDisplayName(value?: string) {
  const candidate = String(value || '').trim()
  return candidate && !/^(?:operator-)?\d+$/i.test(candidate) ? candidate : '名称数据缺失'
}
function settlementRevisionActionLabel(action: string) {
  return ({
    SUBMIT: '提交审核',
    APPROVE: '审核通过',
    REJECT: '审核驳回',
    ISSUE: '出账',
    ADJUST: '调整',
    VOID: '作废',
    REOPEN: '重开',
    RECEIPT: '收款登记',
    PAYMENT: '付款登记',
  } as Record<string, string>)[action] || financeOperationActionLabel(action)
}
function rowTotal(value: unknown) { return totalAmount(value as SettlementRow) }
function rowPaid(value: unknown) { return paidAmount(value as SettlementRow) }
function rowOutstanding(value: unknown) { return Number((value as SettlementRow).outstandingAmount || 0) }
function customerName(customerId: string, snapshot?: string) {
  const mappedName = customers.value.find((item) => String(item.id) === String(customerId))?.tenantName
  // Backend snapshots may contain the internal fallback label; never promote that ID to the finance UI.
  if (snapshot && !/^客户\d+$/.test(snapshot.trim())) return snapshot
  return mappedName || '—'
}
function totalAmount(row: SettlementRow) { return props.kind === 'receivable' ? (row as FinanceReceivableSettlement).receivableAmount : (row as FinancePayableSettlement).payableAmount }
function paidAmount(row: SettlementRow) { return props.kind === 'receivable' ? (row as FinanceReceivableSettlement).receivedAmount : (row as FinancePayableSettlement).paidAmount }
function selectedSupplierName() { return selectedRow.value && 'supplierName' in selectedRow.value ? selectedRow.value.supplierName || '—' : '—' }
function detailPartyName() { return !detail.value ? '—' : props.kind === 'receivable' ? customerName(detail.value.customerId, detail.value.customerName) : detail.value.supplierName || selectedSupplierName() }
function detailActionRow(): SettlementRow {
  const current = detail.value!
  return props.kind === 'receivable'
    ? { id: current.id, customerId: current.customerId, customerName: current.customerName || '', settlementNo: current.settlementNo, billDate: current.generatedDate || '', dueDate: current.dueDate || '', receivableAmount: current.amount, receivedAmount: current.paidAmount, outstandingAmount: current.outstandingAmount, currency: 'CNY', status: current.status as FinanceReceivableSettlement['status'], version: current.version }
    : { id: current.id, customerId: current.customerId, settlementNo: current.settlementNo, costType: 'SINGLE_ORDER', orderId: null, inboundId: null, containerId: null, supplierName: current.supplierName || '', feeItemName: '', payableAmount: current.amount, paidAmount: current.paidAmount, outstandingAmount: current.outstandingAmount, currency: 'CNY', status: current.status, createdAt: current.generatedDate || '', version: current.version }
}
function remainingAfter(amount: number) { return money(Math.max(0, Number(detail.value?.outstandingAmount || 0) - Number(amount || 0))) }

async function loadCustomers() {
  if (!canListCustomers.value) return
  customerError.value = null
  try {
    const records: PlatformTenantResource[] = []; let currentPage = 1; let pages = 1
    do { const result = await listPlatformTenants({ page: currentPage, size: 200, status: 'ACTIVE' }); records.push(...result.records); pages = Math.max(1, result.pages); currentPage += 1 } while (currentPage <= pages)
    customers.value = records
  }
  catch (cause) { customerError.value = getApiErrorDetails(cause, '客户列表加载失败') }
}

async function load(model: QueryModel = filters.value) {
  filters.value = { ...model }
  rows.value = []
  error.value = null
  loading.value = true
  try {
    const customerId = String(filters.value.customerId || '').trim() || undefined
    rows.value = props.kind === 'receivable'
      ? await listFinanceReceivableSettlements(customerId)
      : await listFinancePayableSettlements(customerId)
  } catch (cause) { error.value = getApiErrorDetails(cause, `${title.value}加载失败，请重试`) }
  finally { loading.value = false }
}

function openDetail(row: unknown) {
  selectedRow.value = row as SettlementRow
  emit('openDetail', selectedRow.value.id)
}

async function loadDetail(settlementId: string) {
  detail.value = null
  detailError.value = null
  detailLoading.value = true
  try { detail.value = await getFinanceSettlement(settlementId) }
  catch (cause) { detailError.value = getApiErrorDetails(cause, `${title.value}详情加载失败`) }
  finally { detailLoading.value = false }
}

function backToList() { emit('back') }

async function openCreate() {
  createForm.value = {
    customerId: '',
    reconciliationStatementId: '',
    supplierId: '',
    feeSourceIds: [],
    dueDate: '',
  }
  createOpen.value = true
  error.value = null
  try {
    await refreshCreateDependencies()
    if (props.kind === 'payable' && !suppliersLoaded.value) {
      const suppliers = await listSuppliers({ page: 1, size: 200, status: 'ACTIVE' })
      supplierOptions.value = suppliers.records.filter((item) => item.status === 'ACTIVE')
      suppliersLoaded.value = true
    }
  } catch (cause) { error.value = getApiErrorDetails(cause, '结算来源加载失败') }
}

function resetCreateDependentFields() {
  createForm.value.reconciliationStatementId = ''
  createForm.value.supplierId = ''
  createForm.value.feeSourceIds = []
  createForm.value.dueDate = ''
}

async function refreshCreateDependencies(customerId?: string) {
  const selectedCustomerId = String((customerId ?? createForm.value.customerId) || '').trim()
  statementOptions.value = []
  feeOptions.value = []
  if (!selectedCustomerId) {
    resetCreateDependentFields()
    return
  }

  if (props.kind === 'receivable') {
    statementOptions.value = (await listFinanceStatements(selectedCustomerId)).filter((item) => item.status === 'ISSUED')
    return
  }

  const fees = await listFinanceFeePool(selectedCustomerId, 'PAYABLE')
  feeOptions.value = fees.filter((item) => item.feeSourceId && item.status === 'AVAILABLE')
  if (createForm.value.supplierId && !supplierOptions.value.find((supplier) => String(supplier.id) === String(createForm.value.supplierId))) {
    createForm.value.supplierId = ''
  }
  if (createForm.value.feeSourceIds.length) {
    const available = new Set(feeOptions.value.map((item) => item.feeSourceId).filter(Boolean) as string[])
    createForm.value.feeSourceIds = createForm.value.feeSourceIds.filter((id) => available.has(id))
    if (!createForm.value.feeSourceIds.length && feeOptions.value.length) {
      createForm.value.feeSourceIds = []
    }
  }
}

watch(() => createForm.value.customerId, (customerId) => {
  if (createOpen.value) void refreshCreateDependencies(customerId)
})

async function submitCreate() {
  const customerId = String(createForm.value.customerId || '')
  if (!customerId) return ElMessage.warning('请先选择客户')
  if (props.kind === 'receivable' && !createForm.value.reconciliationStatementId) return ElMessage.warning('请选择已出账对账单')
  if (props.kind === 'payable' && (!createForm.value.supplierId || !createForm.value.dueDate || !createForm.value.feeSourceIds.length)) return ElMessage.warning('请完整填写供应商、到期日和费用来源')
  createBusy.value = true
  try {
    if (props.kind === 'receivable') await createReceivableSettlement({ reconciliationStatementId: createForm.value.reconciliationStatementId, currency: 'CNY' })
    else await createPayableSettlement({ customerId, supplierId: createForm.value.supplierId, feeSourceIds: createForm.value.feeSourceIds, dueDate: createForm.value.dueDate, currency: 'CNY' })
    createOpen.value = false
    ElMessage.success(`${title.value}已生成`)
    await load()
  } catch (cause) { error.value = getApiErrorDetails(cause, `${title.value}生成失败`) }
  finally { createBusy.value = false }
}

function openPayment(row: unknown) {
  const settlement = row as FinancePayableSettlement
  selectedRow.value = settlement
  detail.value = { id: settlement.id, settlementNo: settlement.settlementNo, customerId: settlement.customerId, direction: 'PAYABLE', amount: settlement.payableAmount, paidAmount: settlement.paidAmount, outstandingAmount: settlement.outstandingAmount, currency: 'CNY', status: settlement.status, version: settlement.version, lines: [], transactions: [], revisions: [] }
  paymentFile.value = null
  paymentForm.value = { transactionDate: new Date().toISOString().slice(0, 10), amount: settlement.outstandingAmount, method: 'BANK_TRANSFER', referenceNo: '', remark: '' }
  paymentOpen.value = true
}

function openPaymentFromDetail() {
  if (!detail.value) return
  openPayment({ id: detail.value.id, settlementNo: detail.value.settlementNo, customerId: detail.value.customerId, supplierName: detail.value.supplierName || '', feeItemName: '', payableAmount: detail.value.amount, paidAmount: detail.value.paidAmount, outstandingAmount: detail.value.outstandingAmount, currency: 'CNY', status: detail.value.status, version: detail.value.version })
}

function selectPaymentFile(file: UploadFile) { paymentFile.value = file.raw ?? null }

async function openReceipt(row: unknown) {
  const settlement = row as FinanceReceivableSettlement
  selectedRow.value = settlement
  receiptError.value = null
  receiptValidationError.value = null
  receiptBusy.value = true
  try {
    const current = await getFinanceSettlement(settlement.id)
    if (!current.reconciliationStatementId) throw new Error('应收结算单缺少对账单关联')
    detail.value = current
    receiptFile.value = null
    receiptForm.value = { receivedDate: new Date().toISOString().slice(0, 10), amount: current.outstandingAmount, paymentMethod: 'BANK_TRANSFER', remark: '' }
    receiptOpen.value = true
  } catch (cause) { receiptError.value = getApiErrorDetails(cause, '应收结算单加载失败，无法登记收款') }
  finally { receiptBusy.value = false }
}

async function openReceiptFromDetail() {
  if (!detail.value) return
  await openReceipt({ id: detail.value.id, customerId: detail.value.customerId, settlementNo: detail.value.settlementNo, receivableAmount: detail.value.amount, receivedAmount: detail.value.paidAmount, outstandingAmount: detail.value.outstandingAmount, currency: 'CNY', status: detail.value.status, version: detail.value.version })
}

function selectReceiptFile(file: UploadFile) {
  const raw = file.raw
  if (!raw || !raw.type.startsWith('image/')) {
    receiptFile.value = null
    receiptValidationError.value = '收款凭证仅支持图片文件'
    receiptUploadKey.value += 1
    return
  }
  receiptFile.value = raw
  receiptValidationError.value = null
  receiptError.value = null
}

async function submitReceipt() {
  const current = detail.value
  if (!current?.reconciliationStatementId || !receiptFile.value || receiptForm.value.amount <= 0) {
    receiptValidationError.value = '请填写收款金额并选择收款凭证'
    return
  }
  receiptError.value = null
  receiptBusy.value = true
  try {
    const voucher = await uploadFinanceVoucher(current.customerId, receiptFile.value)
    await createFinanceReceipt({ customerId: current.customerId, receivedDate: receiptForm.value.receivedDate, amount: receiptForm.value.amount, paymentMethod: receiptForm.value.paymentMethod, remark: receiptForm.value.remark || undefined, allocations: [{ billId: current.reconciliationStatementId, amount: receiptForm.value.amount }] }, [voucher.fileId])
    receiptOpen.value = false
    ElMessage.success('收款已登记')
    if (detailMode.value) await loadDetail(current.id)
    else await load()
  } catch (cause) { receiptError.value = getApiErrorDetails(cause, '收款登记失败') }
  finally { receiptBusy.value = false }
}

async function submitPayment() {
  if (!detail.value || !paymentFile.value || paymentForm.value.amount <= 0) return ElMessage.warning('请填写付款金额并选择付款凭证')
  paymentBusy.value = true
  try {
    const voucher = await uploadFinanceVoucher(detail.value.customerId, paymentFile.value)
    await createFinanceSettlementPayment(detail.value.id, { ...paymentForm.value, currency: 'CNY', voucherFileIds: [voucher.fileId], expectedVersion: detail.value.version })
    paymentOpen.value = false
    ElMessage.success('付款已登记')
    if (detailMode.value) await loadDetail(detail.value.id)
    else await load()
  } catch (cause) { error.value = getApiErrorDetails(cause, '付款登记失败') }
  finally { paymentBusy.value = false }
}

async function performAction(row: SettlementRow, action: 'VOID' | 'REOPEN') {
  const reason = await ElMessageBox.prompt('请输入操作原因', action === 'VOID' ? `作废${title.value}` : `重开${title.value}`, {
    inputType: 'textarea', inputPattern: /\S+/, inputErrorMessage: '操作原因不能为空', confirmButtonText: '确认', cancelButtonText: '取消',
  }).then((result) => result.value.trim()).catch(() => null)
  if (reason === null) return
  actionBusy.value = true
  try {
    await actionFinanceSettlement(row.id, { action, reason, expectedVersion: row.version })
    ElMessage.success(action === 'VOID' ? '结算单已作废' : '结算单已重开')
    if (detailMode.value) await loadDetail(row.id)
    else await load()
  } catch (cause) { error.value = getApiErrorDetails(cause, `${action === 'VOID' ? '作废' : '重开'}结算单失败`) }
  finally { actionBusy.value = false }
}

function csvCell(value: unknown) { return `"${String(value ?? '').replaceAll('"', '""')}"` }
function exportRows() {
  if (!filteredRows.value.length) return ElMessage.warning('当前没有可导出的结算单')
  const header = props.kind === 'receivable'
    ? ['结算单号', '客户', '币种', '应收金额', '已收', '余额', '生成日期', '到期日', '收款状态']
    : ['结算单号', '供应商', '费用类型', '币种', '应付金额', '已付', '余额', '生成日期', '付款状态']
  const records = filteredRows.value.map((row) => props.kind === 'receivable'
    ? [row.settlementNo, customerName(row.customerId, (row as FinanceReceivableSettlement).customerName), row.currency, totalAmount(row), paidAmount(row), row.outstandingAmount, (row as FinanceReceivableSettlement).billDate, (row as FinanceReceivableSettlement).dueDate, financeStatusLabel(row.status)]
    : [row.settlementNo, (row as FinancePayableSettlement).supplierName, (row as FinancePayableSettlement).feeItemName, row.currency, totalAmount(row), paidAmount(row), row.outstandingAmount, (row as FinancePayableSettlement).createdAt, financeStatusLabel(row.status)])
  const blob = new Blob([`\ufeff${[header, ...records].map((record) => record.map(csvCell).join(',')).join('\r\n')}`], { type: 'text/csv;charset=utf-8' })
  const url = URL.createObjectURL(blob)
  const link = document.createElement('a')
  link.href = url
  link.download = `${title.value}-${new Date().toISOString().slice(0, 10)}.csv`
  link.click()
  URL.revokeObjectURL(url)
}

function exportDetail() {
  if (!detail.value) return
  const current = detail.value
  const header = ['结算单号', props.kind === 'receivable' ? '客户' : '供应商', '币种', props.kind === 'receivable' ? '应收金额' : '应付金额', props.kind === 'receivable' ? '已收' : '已付', '余额', '业务期间', '生成日期', '到期日', '状态']
  const record = [current.settlementNo, props.kind === 'receivable' ? customerName(current.customerId, current.customerName) : current.supplierName, current.currency, current.amount, current.paidAmount, current.outstandingAmount, current.businessPeriod, current.generatedDate, current.dueDate, financeStatusLabel(current.status)]
  const blob = new Blob([`\ufeff${[header, record].map((line) => line.map(csvCell).join(',')).join('\r\n')}`], { type: 'text/csv;charset=utf-8' })
  const url = URL.createObjectURL(blob)
  const link = document.createElement('a')
  link.href = url
  link.download = `${current.settlementNo}.csv`
  link.click()
  URL.revokeObjectURL(url)
}

onMounted(() => {
  if (canListCustomers.value) void loadCustomers()
  const settlementId = String(props.settlementId || '')
  if (settlementId) void loadDetail(settlementId)
  else void load()
})
</script>

<template>
  <AdminPage as="div" class="finance-settlement-page" spacing="normal">
    <el-result v-if="!canView" icon="warning" :title="`无权访问${title}`" sub-title="请联系管理员开通结算单查看权限" />
    <DetailPageLayout v-else-if="detailMode" class="settlement-detail-page surface-panel" :aria-label="`${title}详情`">
      <template #header><header class="settlement-detail-header">
        <div class="settlement-detail-heading">
          <el-button aria-label="返回列表" title="返回列表" @click="backToList"><ArrowLeft :size="17" /></el-button>
          <div><div class="settlement-detail-breadcrumb">财务管理 / {{ title }} / {{ detail?.settlementNo || settlementId }}</div><h1>{{ title }}详情</h1></div>
          <el-tag v-if="detail" :type="financeStatusTone(detail.status)">{{ financeStatusLabel(detail.status) }}</el-tag>
        </div>
        <div class="settlement-detail-actions">
          <el-button v-if="detail" @click="exportDetail"><Download :size="15" />导出</el-button>
          <el-button v-if="detail && canReceive && ['ISSUED','PARTIALLY_PAID'].includes(detail.status)" type="primary" :loading="receiptBusy" @click="openReceiptFromDetail"><HandCoins :size="15" />部分收款</el-button>
          <el-button v-if="detail && canPay && ['ISSUED','PARTIALLY_PAID'].includes(detail.status)" type="primary" @click="openPaymentFromDetail"><CreditCard :size="15" />部分付款</el-button>
          <el-button v-if="detail && canVoid && detail.status === 'ISSUED'" type="danger" :loading="actionBusy" @click="performAction(detailActionRow(), 'VOID')"><XCircle :size="15" />作废</el-button>
          <el-button v-if="detail && canVoid && detail.status === 'VOIDED'" :loading="actionBusy" @click="performAction(detailActionRow(), 'REOPEN')"><RotateCcw :size="15" />重开</el-button>
        </div>
      </header></template>
      <template v-if="detail" #summary>
        <section class="settlement-detail-summary" aria-label="结算金额汇总">
          <div class="summary-item"><span>{{ kind === 'receivable' ? '应收金额' : '应付金额' }}</span><strong>{{ money(detail.amount) }}</strong></div>
          <div class="summary-item"><span>{{ kind === 'receivable' ? '已收金额' : '已付金额' }}</span><strong class="is-success">{{ money(detail.paidAmount) }}</strong></div>
          <div class="summary-item"><span>未结余额</span><strong class="is-danger">{{ money(detail.outstandingAmount) }}</strong></div>
          <div class="summary-item"><span>到期日</span><strong class="is-date">{{ displayDate(detail.dueDate) }}</strong></div>
        </section>
      </template>
      <LoadErrorState v-if="detailError" class="settlement-detail-state" :title="`${title}详情加载失败`" :message="detailError.message" :loading="detailLoading" @retry="loadDetail(String(settlementId || ''))"><template #details><ApiErrorMeta :details="detailError" /></template></LoadErrorState>
      <el-skeleton v-else-if="detailLoading" class="settlement-detail-state" :rows="10" animated />
      <section v-else-if="detail" class="settlement-detail-content">
        <FormSection title="基本信息">
          <el-descriptions :column="4" class="settlement-detail-info">
            <el-descriptions-item label="结算单号">{{ detail.settlementNo }}</el-descriptions-item>
            <el-descriptions-item :label="kind === 'receivable' ? '客户' : '供应商'">{{ detailPartyName() }}</el-descriptions-item>
            <el-descriptions-item label="币种">CNY</el-descriptions-item>
            <el-descriptions-item label="收付款状态"><el-tag :type="financeStatusTone(detail.status)">{{ financeStatusLabel(detail.status) }}</el-tag></el-descriptions-item>
            <el-descriptions-item label="关联账单">{{ detail.reconciliationStatementId || '—' }}</el-descriptions-item>
            <el-descriptions-item label="业务期间">{{ detail.businessPeriod || '—' }}</el-descriptions-item>
            <el-descriptions-item label="生成日期">{{ displayDate(detail.generatedDate) }}</el-descriptions-item>
            <el-descriptions-item label="到期日">{{ displayDate(detail.dueDate) }}</el-descriptions-item>
          </el-descriptions>
        </FormSection>
        <FormSection title="费用明细">
          <div class="detail-table-scroll">
          <el-table :data="detail.lines" size="small" border stripe empty-text="暂无费用明细">
            <el-table-column prop="feeItemName" label="费用类型" min-width="150" />
            <el-table-column prop="sourceType" label="来源类型" min-width="140"><template #default="scope">{{ financeSourceTypeLabel(scope.row.sourceType) }}</template></el-table-column>
            <el-table-column prop="inboundCode" label="入仓码" min-width="130"><template #default="scope">{{ scope.row.inboundCode || '—' }}</template></el-table-column>
            <el-table-column prop="containerNo" label="柜次号" min-width="130"><template #default="scope">{{ scope.row.containerNo || '—' }}</template></el-table-column>
            <el-table-column prop="businessDate" label="业务发生日" width="120"><template #default="scope">{{ displayDate(scope.row.businessDate) }}</template></el-table-column>
            <el-table-column prop="amount" label="金额(CNY)" width="130" align="right"><template #default="scope">{{ money(scope.row.amount) }}</template></el-table-column>
          </el-table>
          </div>
        </FormSection>
        <FormSection :title="kind === 'receivable' ? '收款记录' : '付款记录'">
          <div class="detail-table-scroll">
          <el-table :data="detail.transactions" size="small" border stripe :empty-text="kind === 'receivable' ? '暂无收款记录' : '暂无付款记录'">
            <el-table-column prop="transactionDate" :label="kind === 'receivable' ? '收款日期' : '付款日期'" width="130" />
            <el-table-column prop="amount" label="金额(CNY)" width="130" align="right"><template #default="scope">{{ money(scope.row.amount) }}</template></el-table-column>
            <el-table-column prop="method" :label="kind === 'receivable' ? '收款方式' : '付款方式'" min-width="130" />
            <el-table-column prop="referenceNo" label="支付流水号" min-width="160"><template #default="scope">{{ scope.row.referenceNo || '—' }}</template></el-table-column>
            <el-table-column label="登记人" min-width="140"><template #default="scope">{{ operatorDisplayName(scope.row.createdByName) }}</template></el-table-column>
            <el-table-column label="登记时间" min-width="170"><template #default="scope">{{ displayDateTime(scope.row.createdAt) }}</template></el-table-column>
            <el-table-column label="凭证" width="100"><template #default="scope">{{ scope.row.voucherFileIds.length ? `${scope.row.voucherFileIds.length} 个` : '—' }}</template></el-table-column>
            <el-table-column prop="remark" label="备注" min-width="180"><template #default="scope">{{ scope.row.remark || '—' }}</template></el-table-column>
          </el-table>
          </div>
        </FormSection>
        <FormSection title="修订记录" :bordered="false">
          <div class="detail-table-scroll">
          <el-table :data="detail.revisions" size="small" border stripe empty-text="暂无调整记录">
            <el-table-column prop="action" label="动作" min-width="120"><template #default="scope">{{ settlementRevisionActionLabel(scope.row.action) || financeOperationActionLabel(scope.row.action) }}</template></el-table-column>
            <el-table-column prop="beforeAmount" label="调整前(CNY)" width="140" align="right"><template #default="scope">{{ money(scope.row.beforeAmount) }}</template></el-table-column>
            <el-table-column prop="afterAmount" label="调整后(CNY)" width="140" align="right"><template #default="scope">{{ money(scope.row.afterAmount) }}</template></el-table-column>
            <el-table-column prop="reason" label="原因" min-width="180"><template #default="scope">{{ scope.row.reason || '—' }}</template></el-table-column>
            <el-table-column label="操作人" min-width="140"><template #default="scope">{{ operatorDisplayName(scope.row.operatorName) }}</template></el-table-column>
            <el-table-column prop="occurredAt" label="时间" min-width="160"><template #default="scope">{{ displayDateTime(scope.row.occurredAt) }}</template></el-table-column>
          </el-table>
          </div>
        </FormSection>
      </section>
    </DetailPageLayout>
    <ListPageLayout v-else :aria-label="title">
      <template #toolbar>
        <QueryToolbar v-model="filters" class="surface-panel" :ariaLabel="`${title}筛选`" :fields="fields" :preference-key="`finance-settlement-${kind}-query`" @search="load" @reset="load" />
      </template>
      <template v-if="customerError || error" #state>
        <LoadErrorState :title="`${title}加载失败`" :message="(customerError || error)?.message || ''" :loading="loading" @retry="customerError ? loadCustomers() : load()"><template #details><ApiErrorMeta :details="(customerError || error)!" /></template></LoadErrorState>
      </template>
      <template v-if="!customerError && !error">
        <section class="settlement-list-toolbar" aria-label="结算汇总与列表操作">
          <div class="settlement-summary" aria-label="结算汇总">
            <div class="summary-item"><span>{{ kind === 'receivable' ? '应收总额' : '应付总额' }}</span><strong>{{ money(totals.amount) }}</strong></div>
            <div class="summary-item"><span>{{ kind === 'receivable' ? '已收' : '已付' }}</span><strong class="is-success">{{ money(totals.paid) }}</strong></div>
            <div class="summary-item"><span>{{ kind === 'receivable' ? '待收' : '待付' }}</span><strong class="is-danger">{{ money(totals.outstanding) }}</strong></div>
          </div>
          <div class="settlement-list-actions">
            <el-button v-if="canCreate" type="primary" @click="openCreate"><Plus :size="15" />{{ createLabel }}</el-button>
            <el-button @click="exportRows"><Download :size="15" />导出</el-button>
          </div>
        </section>
        <section class="surface-panel table-panel">
          <DataTable :data="filteredRows" :columns="columns" :loading="loading" :aria-label="`${title}列表`" row-key="id" empty-text="暂无符合条件的结算单">
            <template #actions="{ row }">
              <el-button link type="primary" @click="openDetail(row)"><Eye :size="15" />详情</el-button>
              <el-button v-if="canReceive && ['ISSUED','PARTIALLY_PAID'].includes(String(row.status))" link :loading="receiptBusy" @click="openReceipt(row)"><HandCoins :size="15" />收款</el-button>
              <el-button v-if="canPay && ['ISSUED','PARTIALLY_PAID'].includes(String(row.status))" link @click="openPayment(row)"><CreditCard :size="15" />付款</el-button>
              <el-button v-if="canVoid && row.status === 'ISSUED'" link type="danger" :loading="actionBusy" @click="performAction(row as SettlementRow, 'VOID')"><XCircle :size="15" />作废</el-button>
              <el-button v-if="canVoid && row.status === 'VOIDED'" link :loading="actionBusy" @click="performAction(row as SettlementRow, 'REOPEN')"><RotateCcw :size="15" />重开</el-button>
            </template>
            <template #customer="{ row }">{{ customerName(String(row.customerId), row.customerName) }}</template>
            <template #supplier="{ row }">{{ row.supplierName || '—' }}</template>
            <template #feeType="{ row }">{{ row.feeItemName || '详见费用明细' }}</template>
            <template #money="{ row }">{{ money(rowTotal(row)) }}</template>
            <template #paidMoney="{ row }">{{ money(rowPaid(row)) }}</template>
            <template #outstandingMoney="{ row }">{{ money(rowOutstanding(row)) }}</template>
            <template #billDate="{ row }">{{ displayDate((row as FinanceReceivableSettlement).billDate) }}</template>
            <template #dueDate="{ row }">{{ displayDate((row as FinanceReceivableSettlement).dueDate) }}</template>
            <template #createdAt="{ row }">{{ displayDate((row as FinancePayableSettlement).createdAt) }}</template>
            <template #status="{ row }"><el-tag :type="financeStatusTone(row.status)">{{ financeStatusLabel(row.status) }}</el-tag></template>
            <template #pagination-left>共 {{ filteredRows.length }} 条 · 币种：CNY</template>
          </DataTable>
        </section>
      </template>
    </ListPageLayout>

    <AppDialog v-model="createOpen" :title="`生成${title}`" width="min(600px, 94vw)" :confirm-loading="createBusy" @confirm="submitCreate">
      <el-form label-position="top">
        <el-form-item label="客户"><el-select v-model="createForm.customerId" filterable placeholder="请选择客户"><el-option v-for="item in activeCustomers" :key="String(item.id)" :label="item.tenantName" :value="String(item.id)" /></el-select></el-form-item>
        <el-form-item v-if="kind === 'receivable'" label="已出账对账单"><el-select v-model="createForm.reconciliationStatementId" filterable><el-option v-for="item in statementOptions" :key="item.id" :label="`${item.billNo} · ${item.outstandingAmount} CNY`" :value="item.id" /></el-select></el-form-item>
        <template v-else><el-form-item label="供应商"><el-select v-model="createForm.supplierId" filterable placeholder="请选择供应商"><el-option v-for="item in supplierOptions" :key="String(item.id)" :label="`${item.name} · ${categoryLabels[item.category]}`" :value="String(item.id)" /></el-select></el-form-item><el-form-item label="到期日"><el-date-picker v-model="createForm.dueDate" type="date" value-format="YYYY-MM-DD" /></el-form-item><el-form-item label="应付费用来源"><el-select v-model="createForm.feeSourceIds" multiple filterable><el-option v-for="item in feeOptions" :key="item.feeSourceId!" :label="`${item.feeItemName} · ${item.amount} CNY`" :value="item.feeSourceId!" /></el-select></el-form-item></template>
      </el-form>
    </AppDialog>

    <AppDialog v-model="paymentOpen" title="登记付款" width="min(760px, 94vw)" :confirm-loading="paymentBusy" @confirm="submitPayment">
      <div v-if="detail" class="partial-summary"><div><span>结算单号</span><strong>{{ detail.settlementNo }}</strong></div><div><span>供应商</span><strong>{{ detailPartyName() }}</strong></div><div><span>应付金额</span><strong>{{ money(detail.amount) }}</strong></div><div><span>已付金额</span><strong class="is-success">{{ money(detail.paidAmount) }}</strong></div><div><span>当前余额</span><strong class="is-danger">{{ money(detail.outstandingAmount) }}</strong></div></div>
      <el-form class="settlement-operation-form" label-position="top"><el-form-item label="付款日期"><el-date-picker v-model="paymentForm.transactionDate" type="date" value-format="YYYY-MM-DD" /></el-form-item><el-form-item label="本次付款金额(CNY)"><el-input-number v-model="paymentForm.amount" :min="0.01" :max="detail?.outstandingAmount || 0.01" :precision="2" /></el-form-item><el-form-item label="付款方式"><el-select v-model="paymentForm.method"><el-option label="银行转账" value="BANK_TRANSFER" /><el-option label="现金" value="CASH" /><el-option label="其他" value="OTHER" /></el-select></el-form-item><el-form-item label="银行流水号/凭证号"><el-input v-model="paymentForm.referenceNo" /></el-form-item><el-form-item label="付款凭证"><el-upload :auto-upload="false" :limit="1" accept="image/*" :on-change="selectPaymentFile"><el-button>选择图片</el-button></el-upload></el-form-item><el-form-item label="备注"><el-input v-model="paymentForm.remark" type="textarea" /></el-form-item></el-form>
      <div v-if="detail" class="remaining-preview"><span>登记后剩余余额</span><strong>{{ remainingAfter(paymentForm.amount) }}</strong></div>
    </AppDialog>

    <AppDialog v-model="receiptOpen" title="登记收款" width="min(760px, 94vw)" :confirm-loading="receiptBusy" @confirm="submitReceipt">
      <div v-if="detail" class="partial-summary"><div><span>结算单号</span><strong>{{ detail.settlementNo }}</strong></div><div><span>客户公司</span><strong>{{ detailPartyName() }}</strong></div><div><span>应收金额</span><strong>{{ money(detail.amount) }}</strong></div><div><span>已收金额</span><strong class="is-success">{{ money(detail.paidAmount) }}</strong></div><div><span>当前余额</span><strong class="is-danger">{{ money(detail.outstandingAmount) }}</strong></div></div>
      <el-alert v-if="receiptValidationError" type="error" :title="receiptValidationError" :closable="false" show-icon class="operation-error" />
      <el-alert v-if="receiptError" type="error" :title="receiptError.message" :closable="false" show-icon class="operation-error" />
      <ApiErrorMeta v-if="receiptError" :details="receiptError" class="operation-error-meta" />
      <el-form class="settlement-operation-form" label-position="top"><el-form-item label="收款日期"><el-date-picker v-model="receiptForm.receivedDate" type="date" value-format="YYYY-MM-DD" /></el-form-item><el-form-item label="本次收款金额(CNY)"><el-input-number v-model="receiptForm.amount" :min="0.01" :max="detail?.outstandingAmount || 0.01" :precision="2" /></el-form-item><el-form-item label="收款方式"><el-select v-model="receiptForm.paymentMethod"><el-option label="银行转账" value="BANK_TRANSFER" /><el-option label="现金" value="CASH" /><el-option label="其他" value="OTHER" /></el-select></el-form-item><el-form-item label="收款凭证"><el-upload :key="receiptUploadKey" :auto-upload="false" :limit="1" accept="image/*" :on-change="selectReceiptFile"><el-button>选择图片</el-button></el-upload></el-form-item><el-form-item label="备注"><el-input v-model="receiptForm.remark" type="textarea" /></el-form-item></el-form>
      <div v-if="detail" class="remaining-preview"><span>登记后剩余余额</span><strong>{{ remainingAfter(receiptForm.amount) }}</strong></div>
    </AppDialog>
  </AdminPage>
</template>

<style scoped>
.finance-settlement-page { min-width: 0; }
.settlement-list-toolbar { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 20px; padding: 0 2px 10px; }
.settlement-summary, .settlement-list-actions { display: flex; min-width: 0; align-items: center; flex-wrap: wrap; }
.settlement-summary { flex: 1; gap: 6px 0; }
.settlement-list-actions { flex: 0 0 auto; justify-content: flex-end; gap: 8px; }
.settlement-list-actions :deep(.el-button + .el-button) { margin-left: 0; }
.summary-item { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.settlement-summary .summary-item + .summary-item { margin-left: 18px; padding-left: 18px; border-left: 1px solid var(--cc-border, #e3e8ef); }
.summary-item span { color: var(--cc-text-secondary, #64748b); font-size: 13px; }
.summary-item strong { color: var(--cc-text-primary, #1f2937); font-size: 18px; line-height: 1.2; }
.summary-item strong.is-success { color: #16803c; }
.summary-item strong.is-danger { color: #c2413a; }
.settlement-detail-page { display: flex; width: min(100%, 1920px); margin: 0 auto; min-width: 0; gap: 0; overflow: hidden; padding: 0; }
.settlement-detail-header { display: flex; min-height: 68px; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; border-bottom: 1px solid var(--cc-border, #e3e8ef); }
.settlement-detail-heading, .settlement-detail-actions { display: flex; align-items: center; gap: 10px; min-width: 0; flex-wrap: wrap; }
.settlement-detail-heading h1 { margin: 0; font-size: 20px; line-height: 1.35; letter-spacing: 0; }
.settlement-detail-breadcrumb { color: var(--cc-text-secondary, #64748b); font-size: 12px; }
.settlement-detail-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 10px 16px; border-bottom: 1px solid var(--cc-border, #e3e8ef); }
.settlement-detail-summary .summary-item { align-items: flex-start; flex-direction: column; gap: 4px; padding: 0 12px; border-left: 1px solid var(--cc-border, #e3e8ef); }
.settlement-detail-summary .summary-item:first-child { padding-left: 0; border-left: 0; }
.summary-item strong.is-date { font-size: 20px; }
.settlement-detail-state { margin: 14px 16px; }
.settlement-detail-content { min-width: 0; padding: 0 16px 12px; overflow: hidden; }
.settlement-detail-info { min-width: 0; }
.detail-table-scroll { min-width: 0; overflow-x: auto; }
:deep(.settlement-detail-info .el-descriptions__table) { table-layout: fixed; }
:deep(.settlement-detail-info .el-descriptions__content) { min-width: 0; overflow-wrap: anywhere; }
:deep(.detail-table-scroll .el-table) { min-width: 920px; }
.partial-summary { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-bottom: 12px; padding: 10px 0; border: 1px solid var(--el-color-primary-light-7); border-radius: 6px; background: var(--el-color-primary-light-9); }
.partial-summary div { min-width: 0; padding: 0 10px; border-left: 1px solid var(--el-color-primary-light-7); }
.partial-summary div:first-child { border-left: 0; }
.partial-summary span, .partial-summary strong { display: block; overflow-wrap: anywhere; }
.partial-summary span { color: var(--cc-text-secondary, #64748b); font-size: 12px; }
.partial-summary strong { margin-top: 4px; color: var(--cc-text-primary, #1f2937); font-size: 15px; }
.partial-summary strong.is-success { color: #16803c; }
.partial-summary strong.is-danger { color: #c2413a; }
.settlement-operation-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 14px; row-gap: 0; }
.settlement-operation-form :deep(.el-form-item:last-child) { grid-column: 1 / -1; }
.settlement-operation-form :deep(.el-input-number) { width: 100%; }
.remaining-preview { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 12px; border-radius: 8px; color: var(--cc-text-secondary, #64748b); background: var(--el-fill-color-light); }
.remaining-preview strong { color: #b45309; font-size: 16px; }
.operation-error { margin-bottom: 12px; }
.operation-error-meta { margin: -6px 0 12px; }
:deep(.el-select), :deep(.el-date-editor) { width: 100%; }
@media (max-width: 720px) {
  .settlement-detail-summary, .partial-summary, .settlement-operation-form { grid-template-columns: 1fr; }
  .settlement-detail-summary { gap: 10px; padding: 12px 16px; }
  .settlement-detail-summary .summary-item { padding: 0; border-left: 0; }
  .settlement-detail-content { padding: 0 16px 14px; }
  .settlement-detail-state { margin: 14px; }
  .partial-summary { gap: 10px; padding: 12px 10px; }
  .partial-summary div { padding: 0; border-left: 0; }
  .settlement-list-toolbar { align-items: stretch; flex-direction: column; padding: 0 0 10px; }
  .settlement-summary { align-items: flex-start; flex-direction: column; gap: 6px; }
  .settlement-summary .summary-item + .summary-item { margin-left: 0; padding-left: 0; border-left: 0; }
  .settlement-list-actions { width: 100%; justify-content: flex-start; }
  .summary-item strong { font-size: 21px; }
  .settlement-detail-header { align-items: flex-start; flex-direction: column; padding: 16px; }
  .settlement-detail-actions { width: 100%; }
  .settlement-detail-actions :deep(.el-button) { min-height: 40px; }
  :deep(.settlement-detail-info .el-descriptions__cell) { display: block; width: 100%; }
}
</style>