import { ref, reactive, watch, onMounted } from 'vue'
import { ElMessage } from 'element-plus'
import { CrmService } from '@/api/crmApi'
import { commonService } from '@/api/commonApi'
import { vehicleService } from '@/api/vehicleApi'
import { useUploadHeaders } from '@/composables/useUploadHeaders'

// 类型定义
export interface BaseForm {
  pi_no: string
  biz_date: string
  clearance_country_id: string
  clearance_country_snapshot: string
  customer_source_id: string
  customer_source_snapshot: string
  customer_id: string
  customer_snapshot: string
  customer_country_id: string
  customer_country_snapshot: string
  declarant_name: string
  eta_ship_date: string
  shipping_method_id: string
  shipping_method_snapshot: string
  domestic_port_id: string
  domestic_port_snapshot: string
  trade_term_id: string
  trade_term_snapshot: string
  clearance_port_id: string
  clearance_port_snapshot: string
  latest_arrival_date: string
  pick_up_date: string
  collect_all_date: string
  contract_exchange_rate: string
  settlement_currency: string
  remark: string
  total_cif: number | undefined
  total_cif_currency: string
  total_cif_currency_snapshot: string
  is_final: string
  object_id: string | number
  contract: string
  contract_url?: string
}

export interface ItemRow {
  sku_id: string
  vin?: string
  _echo_vin?: boolean
  mileage?: number
  listing_price?: number | undefined
  listing_price_currency: string
  listing_price_currency_snapshot: string
  reduction_price?: number | undefined
  reduction_price_currency: string
  reduction_price_currency_snapshot: string
  model_snapshot: string
  color_interior_code: string
  color_interior_snapshot: string
  color_exterior_code: string
  color_exterior_snapshot: string
  unit_price: number | undefined
  handling_fee: string
  fob_transport_fee: number | undefined
  port_misc_fee: string
  ocean_freight: string
  ocean_freight_currency: string
  ocean_freight_currency_snapshot: string
  retrofit_fee: string
  total_price: number | undefined
  official_price: number | undefined
  discount_price: number | undefined
  fob_fee?: number | undefined
  fob_fee_currency: string
  fob_fee_currency_snapshot: string
  helper_fee?: number | undefined
  helper_fee_currency: string
  helper_fee_currency_snapshot: string
  domestic_freight?: number | undefined
  domestic_freight_currency: string
  domestic_freight_currency_snapshot: string
  port_fee?: number | undefined
  port_fee_currency: string
  port_fee_currency_snapshot: string
  unit_price_currency: string
  unit_price_currency_snapshot: string
  total_price_currency: string
  total_price_currency_snapshot: string
  guide_price_currency: string
  guide_price_currency_snapshot: string
  discount?: number | undefined
  discount_currency: string
  discount_currency_snapshot: string
  contract_rate?: number | undefined
  profit: number | undefined
  profit_type_snapshot?: string
  modify_ids: string[]
  modify_list: Array<{ option_id: string; option_name_snapshot: string }>
  modify_fee_currency: string
  modify_fee_currency_snapshot: string
}

export interface PaymentItem {
  remit_country_id: string
  remit_country_name_snapshot: string
  remit_date: string
  currency_code: string
  currency_name_snapshot: string
  account_id: string
  account_name_snapshot: string
  remitter_name: string
  amount: number | undefined
}

export interface DialogState {
  visible: boolean
  search: { keyword: string }
  loading: boolean
  tableData: any[]
  pagination: { currentPage: number; pageSize: number; total: number }
  targetIndex?: number
}

export function useStockingForm(isFinal = false, stockingId?: string | number) {
  const { uploadHeaders } = useUploadHeaders()
  const actionImageUplode = `${import.meta.env.VITE_API_URL}/ticket/upload?scene=stock_orders`

  // 选项数据
  const channelOptions = ref<any>()
  const countryOptions = ref<any>()
  const modificationOptions = ref<any>()
  const currencyOptions = ref<any>()
  const accountOptions = ref<any>()
  const customerOptions = ref<any>()
  const portOptions = ref<any>()
  const portOptionsall = ref<any>()
  const wcolorOptions = ref<Array<any>>([])
  const ncolorOptions = ref<Array<any>>([])
  const transportOptions = ref<Array<any>>([])
  const trade_termsOptions = ref<Array<any>>([])

  // 表单数据
  const baseForm = reactive<BaseForm>({
    pi_no: '',
    biz_date: '',
    clearance_country_id: '',
    clearance_country_snapshot: '',
    customer_source_id: '',
    customer_source_snapshot: '',
    customer_id: '',
    customer_snapshot: '',
    customer_country_id: '',
    customer_country_snapshot: '',
    declarant_name: '',
    eta_ship_date: '',
    shipping_method_id: '',
    shipping_method_snapshot: '',
    domestic_port_id: '',
    domestic_port_snapshot: '',
    trade_term_id: '',
    trade_term_snapshot: '',
    clearance_port_id: '',
    clearance_port_snapshot: '',
    latest_arrival_date: '',
    contract_exchange_rate: '',
    settlement_currency: 'CNY',
    remark: '',
    total_cif: undefined,
    total_cif_currency: 'CNY',
    total_cif_currency_snapshot: '',
    is_final: isFinal ? '1' : '0',
    object_id: stockingId || '0',
    contract: '',
    contract_url: '',
    pick_up_date:'',
    collect_all_date: ''
  })

  // 创建新的订单项
  const newItem = (): ItemRow => ({
    sku_id: '',
    model_snapshot: '',
    _echo_vin: false,
    mileage: 0,
    listing_price: undefined,
    listing_price_currency: 'CNY',
    listing_price_currency_snapshot: '',
    reduction_price: undefined,
    reduction_price_currency: 'CNY',
    reduction_price_currency_snapshot: '',
    color_interior_code: '',
    color_interior_snapshot: '',
    color_exterior_code: '',
    color_exterior_snapshot: '',
    unit_price: undefined,
    handling_fee: '',
    fob_transport_fee: undefined,
    port_misc_fee: '',
    ocean_freight: '',
    ocean_freight_currency: 'CNY',
    ocean_freight_currency_snapshot: '',
    retrofit_fee: '',
    total_price: undefined,
    official_price: undefined,
    discount_price: undefined,
    fob_fee: undefined,
    fob_fee_currency: 'CNY',
    fob_fee_currency_snapshot: '',
    helper_fee: undefined,
    helper_fee_currency: 'CNY',
    helper_fee_currency_snapshot: '',
    domestic_freight: undefined,
    domestic_freight_currency: 'CNY',
    domestic_freight_currency_snapshot: '',
    port_fee: undefined,
    port_fee_currency: 'CNY',
    port_fee_currency_snapshot: '',
    unit_price_currency: 'CNY',
    unit_price_currency_snapshot: '',
    total_price_currency: 'CNY',
    total_price_currency_snapshot: '',
    guide_price_currency: 'CNY',
    guide_price_currency_snapshot: '',
    discount: undefined,
    discount_currency: 'CNY',
    discount_currency_snapshot: '',
    contract_rate: 7.16,
    profit: undefined,
    modify_ids: [],
    modify_list: [],
    modify_fee_currency: 'CNY',
    modify_fee_currency_snapshot: ''
  })

  // 创建新的收款项
  const newPaymentItem = (): PaymentItem => ({
    remit_country_id: '',
    remit_country_name_snapshot: '',
    remit_date: '',
    currency_code: 'CNY',
    currency_name_snapshot: '',
    account_id: '',
    account_name_snapshot: '',
    remitter_name: '',
    amount: undefined
  })

  const items = ref<ItemRow[]>([newItem()])
  const paymentItems = ref<PaymentItem[]>([newPaymentItem()])
  const contractFile = ref<{ name: string; url: string; file_name: string } | null>(null)

  // 弹框状态
  const customerDialog = reactive<DialogState>({
    visible: false,
    search: { keyword: '' },
    loading: false,
    tableData: [],
    pagination: { currentPage: 1, pageSize: 10, total: 0 }
  })

  const vehicleDialog = reactive<DialogState>({
    visible: false,
    search: { keyword: '' },
    loading: false,
    tableData: [],
    pagination: { currentPage: 1, pageSize: 10, total: 0 },
    targetIndex: -1
  })

  // 数据加载方法
  const getgetChannel = async () => {
    const res = await CrmService.getChannel()
    channelOptions.value = res || []
  }

  const getcustomer = async () => {
    const res = await commonService.getCustomerSelect()
    customerOptions.value = res || []
  }

  const getarea = async () => {
    const res = await CrmService.getCountry()
    res.forEach((item: any) => {
      item.cn_addrs = item.cn_addr + '(' + item.en_addr + ')'
    })
    // console.log(res)
    countryOptions.value = res || []
  }

  const getmodification = async () => {
    const res = await commonService.getModificationSelect()
    modificationOptions.value = res || []
  }

  const loadColorOptions = async () => {
    try {
      const res = await commonService.getColorSelect({ type: 1 })
      wcolorOptions.value = res
      const response = await commonService.getColorSelect({ type: 2 })
      ncolorOptions.value = response
    } catch (error) {
      console.error('获取颜色列表失败:', error)
      ElMessage.error('获取颜色列表失败')
    }
  }

  const loadAccountOptions = async () => {
    try {
      const res = await commonService.getAccountSelect()
      accountOptions.value = res
    } catch (error) {
      console.error('获取账户列表失败:', error)
      ElMessage.error('获取账户列表失败')
    }
  }

  const loadCurrencyOptions = async () => {
    try {
      const res = await commonService.getCurrencySelect()
      currencyOptions.value = res
    } catch (error) {
      console.error('获取币种列表失败:', error)
      ElMessage.error('获取币种列表失败')
    }
  }

  const loadPortOptions = async () => {
    try {
      const res = await commonService.getPortSelect({ scene: 'domestic' })
      const resall = await commonService.getPortSelect({})
      portOptions.value = res
      portOptionsall.value = resall
    } catch (error) {
      console.error('获取港口列表失败:', error)
      ElMessage.error('获取港口列表失败')
    }
  }

  const loadDictOptions = async () => {
    const response = await commonService.getDictSelect({ scope: '2,15' })
    transportOptions.value = response.transport
    trade_termsOptions.value = response.trade_terms
  }

  // 币种相关方法
  const getCurrencyRate = (code: string): string => {
    try {
      const found = (currencyOptions?.value || []).find((c: any) => c.currency_code === code)
      return found?.rate || found?.exchange_rate || ''
    } catch (e) {
      return ''
    }
  }

  const getCurrencyBounds = (code: string): { min: number; max: number; base: number } => {
    const found: any = (currencyOptions?.value || []).find((c: any) => c.currency_code === code) || {}
    const base = Number(found?.rate || found?.exchange_rate || 0) || 0
    const up = Number(found?.float_percent_up)
    const down = Number(found?.float_percent_down)
    if (!Number.isNaN(up) || !Number.isNaN(down)) {
      const upPct = (Number.isNaN(up) ? 0 : up) / 100
      const downPct = (Number.isNaN(down) ? 0 : down) / 100
      return { min: base * (1 - downPct), max: base * (1 + upPct), base }
    }
    return { min: base * 0.9, max: base * 1.1, base }
  }

  const validateContractRate = () => {
    const code = baseForm.settlement_currency || items.value[0]?.unit_price_currency || 'USD'
    const { min, max } = getCurrencyBounds(code)
    const val = Number(baseForm.contract_exchange_rate)
    if (Number.isNaN(val)) return
    if (val < min) {
      baseForm.contract_exchange_rate = String(Number(min.toFixed(6)))
      ElMessage?.warning?.('合同汇率已按币种浮动下限自动纠正')
    } else if (val > max) {
      baseForm.contract_exchange_rate = String(Number(max.toFixed(6)))
      ElMessage?.warning?.('合同汇率已按币种浮动上限自动纠正')
    }
  }

  // 金额包装方法
  const wrapMoney = (amount: any, currency: string, remark: string) => ({
    currency: currency || '',
    amount: amount === undefined || amount === null ? '' : String(amount),
    rate: getCurrencyRate(currency),
    remark
  })

  // 利润计算方法
  const getRateNumber = (code: string): number => {
    const r = Number(getCurrencyRate(code))
    return Number.isNaN(r) ? 0 : r
  }

  const convertCurrency = (amount: any, fromCode?: string, toCode?: string): number => {
    const val = amount === undefined || amount === null || amount === '' ? 0 : Number(amount)
    if (Number.isNaN(val)) return 0
    const from = fromCode || 'USD'
    const to = toCode || 'USD'
    if (from === to) return val
    const rateFrom = getRateNumber(from)
    const rateTo = getRateNumber(to) || 1
    if (!rateFrom) return 0
    return (val * rateFrom) / rateTo
  }

  const calcProfit = (it: any): number => {
    const targetCurrency = baseForm.settlement_currency || 'USD'
    const unit = convertCurrency(it.unit_price, it.unit_price_currency, targetCurrency)
    const retrofit = convertCurrency(it.retrofit_fee, (it as any).modify_fee_currency, targetCurrency)
    const fob = convertCurrency(
      it.fob_transport_fee ?? (it as any).fob_fee,
      (it as any).fob_fee_currency,
      targetCurrency
    )
    const handling = convertCurrency(
      it.handling_fee ?? (it as any).helper_fee,
      (it as any).helper_fee_currency,
      targetCurrency
    )
    const port = convertCurrency(
      it.port_misc_fee ?? (it as any).port_fee,
      (it as any).port_fee_currency,
      targetCurrency
    )
    const ocean = convertCurrency(
      it.ocean_freight ?? (it as any).ocean_freight,
      (it as any).ocean_freight_currency,
      targetCurrency
    )
    const mileageVal = Number(it.mileage ?? 0)
    if (mileageVal > 0) {
      // 二手车：用挂牌价与二手减价替代官方指导价与优惠
      const listing = convertCurrency(
        it.listing_price ?? (it as any).listing_price,
        (it as any).listing_price_currency,
        targetCurrency
      )
      const reduction = convertCurrency(
        it.reduction_price ?? (it as any).reduction_price,
        (it as any).reduction_price_currency,
        targetCurrency
      )
      return unit - (retrofit + fob + listing + reduction + handling + port + ocean)
    }

    // 新车/里程<=0：保持原有计算（官方指导价与优惠）
    const guide = convertCurrency(
      it.official_price ?? (it as any).guide_price,
      (it as any).guide_price_currency,
      targetCurrency
    )
    const discount = convertCurrency(
      it.discount_price ?? (it as any).discount,
      (it as any).discount_currency,
      targetCurrency
    )
    return unit - (retrofit + fob + guide + discount + handling + port + ocean)
  }

  // 合同文件相关方法
  const isImageFile = (file: { name: string; url: string; file_name: string }) => {
    return /\.(jpg|jpeg|png|gif)$/i.test(file.name) || file.file_name.startsWith('image/')
  }

  const beforeContractUpload = (file: File) => {
    const isValidType = /\.(jpg|jpeg|png|gif|pdf|doc|docx|xls|xlsx|txt)$/i.test(file.name)
    if (!isValidType) {
      ElMessage.error('只能上传图片或文档文件！')
      return false
    }
    const isLt10M = file.size / 1024 / 1024 < 10
    if (!isLt10M) {
      ElMessage.error('文件大小不能超过 10MB!')
      return false
    }
    return true
  }

  const handleContractUpload = (response: any) => {
    if (response.code === 200) {
      const fileInfo = {
        name: response.data.original_name || '合同文件',
        url: response.data.file_url,
        file_name: response.data.file_name
      }
      contractFile.value = fileInfo
      baseForm.contract = response.data.file_name
      ElMessage.success('合同上传成功！')
    } else {
      ElMessage.error(response.message || '合同上传失败！')
    }
  }

  const removeContractFile = () => {
    contractFile.value = null
    baseForm.contract = ''
    ElMessage.success('合同文件已删除')
  }

  // 订单项操作方法
  const copyRow = (idx: number) => {
    const copied = JSON.parse(JSON.stringify(items.value[idx])) as ItemRow
    items.value.splice(idx + 1, 0, copied)
  }

  const addRowAfter = (idx: number) => {
    items.value.splice(idx + 1, 0, newItem())
  }

  const removeRow = (idx: number) => {
    items.value.splice(idx, 1)
  }

  // 收款项操作方法
  const addPaymentItem = () => {
    paymentItems.value.push(newPaymentItem())
  }

  const removePaymentItem = (idx: number) => {
    if (paymentItems.value.length > 1) {
      paymentItems.value.splice(idx, 1)
    }
  }

  // 客户选择相关方法
  const openCustomerDialog = () => {
    customerDialog.visible = true
    customerDialog.pagination.currentPage = 1
    getCustomerList()
  }

  const getCustomerList = async () => {
    customerDialog.loading = true
    try {
      const { currentPage, pageSize } = customerDialog.pagination
      const params = { current: currentPage, size: pageSize, keyword: customerDialog.search.keyword }
      const { data, current, size, total } = await CrmService.getcustomerList(params as any)
      customerDialog.tableData = data || []
      Object.assign(customerDialog.pagination, { currentPage: current, pageSize: size, total })
    } catch (e) {
    } finally {
      customerDialog.loading = false
    }
  }

  const handleCustomerSizeChange = (size: number) => {
    customerDialog.pagination.pageSize = size
    getCustomerList()
  }

  const handleCustomerCurrentChange = (page: number) => {
    customerDialog.pagination.currentPage = page
    getCustomerList()
  }

  const chooseCustomer = (row: any) => {
    baseForm.customer_id = row.id || ''
    baseForm.customer_snapshot = row.contacts || row.name || ''
    baseForm.customer_country_id = row.country_id || ''
    baseForm.customer_country_snapshot = row.country_name || ''
    baseForm.customer_source_id = row.channel_id || ''
    baseForm.customer_source_snapshot = row.channel_name || ''
    customerDialog.visible = false
  }

  // 车辆选择相关方法
  const openVehicleDialog = (index: number) => {
    vehicleDialog.targetIndex = index
    vehicleDialog.visible = true
    vehicleDialog.pagination.currentPage = 1
    getVehicleList()
  }

  const getVehicleList = async () => {
    vehicleDialog.loading = true
    try {
      const { currentPage, pageSize } = vehicleDialog.pagination
      const params = { current: currentPage, size: pageSize, keyword: vehicleDialog.search.keyword }
      const { records, current, size, total } = await vehicleService.getVehicleList(params)
      vehicleDialog.tableData = records || []
      Object.assign(vehicleDialog.pagination, { currentPage: current, pageSize: size, total })
    } catch {
      ElMessage.error('获取车辆列表失败')
    } finally {
      vehicleDialog.loading = false
    }
  }

  const handleVehicleSizeChange = (size: number) => {
    vehicleDialog.pagination.pageSize = size
    getVehicleList()
  }

  const handleVehicleCurrentChange = (page: number) => {
    vehicleDialog.pagination.currentPage = page
    getVehicleList()
  }

  const chooseVehicle = (row: any) => {
    const idx = vehicleDialog.targetIndex
    if (idx !== undefined && idx >= 0 && idx < items.value.length) {
      const target = items.value[idx]
      target.sku_id = row.id || ''
      target.model_snapshot = row.model_name || row.name || ''
      target.color_exterior_code = row.color_exterior_code || ''
      target.color_exterior_snapshot = row.color_exterior_text || ''
      target.color_interior_code = row.color_interior_code || ''
      target.color_interior_snapshot = row.color_interior_text || ''
      target.official_price = row.msrp ?? target.official_price
      if (row.currency) {
        target.guide_price_currency = row.currency
      }
    }
    vehicleDialog.visible = false
  }

  // 数据回显方法
  const populateFromDetail = (res: any) => {
    if (!res) return
    // 基础信息
    baseForm.pick_up_date = res.pick_up_date || ''
    baseForm.collect_all_date = res.collect_all_date || ''
    baseForm.pi_no = res.pi_no || ''
    baseForm.contract = res.contract || ''
    baseForm.biz_date = res.biz_date || ''
    baseForm.clearance_country_id = res.clearance_country_id || ''
    baseForm.clearance_country_snapshot = res.clearance_country_snapshot || ''
    baseForm.customer_source_id = res.customer_source_id || ''
    baseForm.customer_source_snapshot = res.customer_source_snapshot || ''
    baseForm.customer_id = res.customer_id || ''
    baseForm.customer_snapshot = res.customer_snapshot || ''
    baseForm.customer_country_id = res.customer_country_id || ''
    baseForm.customer_country_snapshot = res.customer_country_snapshot || ''
    baseForm.declarant_name = res.declarant_name || ''
    baseForm.eta_ship_date = res.eta_ship_date || ''
    baseForm.shipping_method_id = res.shipping_method_id ? String(res.shipping_method_id) : ''
    baseForm.shipping_method_snapshot = res.shipping_method_snapshot || ''
    baseForm.domestic_port_id = res.domestic_port_id || ''
    baseForm.domestic_port_snapshot = res.domestic_port_snapshot || ''
    baseForm.trade_term_id = res.trade_term_id || ''
    baseForm.trade_term_snapshot = res.trade_term_snapshot || ''
    baseForm.clearance_port_id = res.clearance_port_id || ''
    baseForm.clearance_port_snapshot = res.clearance_port_snapshot || ''
    baseForm.latest_arrival_date = res.latest_arrival_date || ''
    baseForm.remark = res.remark || ''
    baseForm.settlement_currency = res.settlement_currency || 'CNY'
    // 合计与汇率
    baseForm.total_cif = res.cif_total_amount ? Number(res.cif_total_amount) : undefined
    baseForm.total_cif_currency = res.settlement_currency || baseForm.total_cif_currency
    baseForm.contract_exchange_rate =
      res.contract_exchange_rate || getCurrencyRate(baseForm.total_cif_currency)
    // 明细
    const list = Array.isArray(res.veh_list) ? res.veh_list : []
    items.value = list.map((it: any) => ({
      sku_id: it.sku_id ? String(it.sku_id) : '',
      vin: it.vin || '',
      _echo_vin: Boolean(it.vin),
      mileage: it.mileage ?? 0,
      model_snapshot: it.model_snapshot || '',
      listing_price: it.listing_price?.amount ? Number(it.listing_price.amount) : undefined,
      listing_price_currency: it.listing_price?.currency || 'CNY',
      listing_price_currency_snapshot: '',
      reduction_price: it.reduction_price?.amount ? Number(it.reduction_price.amount) : undefined,
      reduction_price_currency: it.reduction_price?.currency || 'CNY',
      reduction_price_currency_snapshot: '',
      color_interior_code: it.color_interior_code || '',
      color_interior_snapshot: it.color_interior_snapshot || '',
      color_exterior_code: it.color_exterior_code || '',
      color_exterior_snapshot: it.color_exterior_snapshot || '',
      unit_price: it.unit_price?.amount ? Number(it.unit_price.amount) : undefined,
      handling_fee: it.handling_fee?.amount ?? '',
      fob_transport_fee: it.fob_transport_fee?.amount ? Number(it.fob_transport_fee.amount) : undefined,
      port_misc_fee: it.port_misc_fee?.amount ?? '',
      ocean_freight: it.ocean_freight?.amount ?? '',
      ocean_freight_currency: it.ocean_freight?.currency || 'CNY',
      ocean_freight_currency_snapshot: '',
      retrofit_fee: it.retrofit_fee?.amount ?? '',
      total_price: it.total_price?.amount ? Number(it.total_price.amount) : undefined,
      official_price: it.official_price?.amount ? Number(it.official_price.amount) : undefined,
      discount_price: it.discount_price?.amount ? Number(it.discount_price.amount) : undefined,
      fob_fee: undefined,
      fob_fee_currency: it.fob_transport_fee?.currency || 'CNY',
      fob_fee_currency_snapshot: '',
      helper_fee: undefined,
      helper_fee_currency: it.handling_fee?.currency || 'CNY',
      helper_fee_currency_snapshot: '',
      domestic_freight: undefined,
      domestic_freight_currency: it.domestic_freight?.currency || 'CNY',
      domestic_freight_currency_snapshot: '',
      port_fee: undefined,
      port_fee_currency: it.port_misc_fee?.currency || 'CNY',
      port_fee_currency_snapshot: '',
      unit_price_currency: it.unit_price?.currency || 'CNY',
      unit_price_currency_snapshot: '',
      total_price_currency: it.total_price?.currency || 'CNY',
      total_price_currency_snapshot: '',
      guide_price_currency: it.official_price?.currency || 'CNY',
      guide_price_currency_snapshot: '',
      discount: undefined,
      discount_currency: it.discount_price?.currency || 'CNY',
      discount_currency_snapshot: '',
      contract_rate: baseForm.contract_exchange_rate ? Number(baseForm.contract_exchange_rate) : undefined,
      profit: undefined,
      profit_type_snapshot: '',
      modify_ids: Array.isArray(it.modify_list) ? it.modify_list.map((m: any) => Number(m.option_id)) : [],
      modify_list: Array.isArray(it.modify_list)
        ? it.modify_list.map((m: any) => ({ option_id: String(m.option_id), option_name_snapshot: m.option_name_snapshot }))
        : [],
      modify_fee_currency: it.retrofit_fee?.currency || 'CNY',
      modify_fee_currency_snapshot: ''
    }))
    // 计划收款
    const pays = Array.isArray(res.account_list) ? res.account_list : []
    paymentItems.value = pays.map((p: any) => ({
      remit_country_id: p.remit_country_id ? Number(p.remit_country_id) : '',
      remit_country_name_snapshot: p.remit_country_name_snapshot || '',
      remit_date: p.remit_date || '',
      currency_code: p.currency_code || '',
      currency_name_snapshot: p.currency_name_snapshot || '',
      account_id: p.account_id ? p.account_id : '',
      account_name_snapshot: p.account_name_snapshot || '',
      remitter_name: p.remitter_name || '',
      amount: p.amount ? Number(p.amount) : undefined
    }))
    // 合同文件回显
    if (res.contract) {
      contractFile.value = {
        name: '合同文件',
        url: res.contract_url || res.contract,
        file_name: res.contract
      }
    }
  }

  // 提交方法
  const handleSubmit = async (type: number, edit?: string, isfinal?: string) => {
    // 提交校验：最终提交且为提交动作时（type=1），必须填写 VIN
    const isFinalFlag = isfinal === '1' || (isfinal as any) === true
    if (isFinalFlag && type === 1) {
      const hasEmptyVin = (items.value || []).some((it) => !it.vin || String(it.vin).trim() === '')
      if (hasEmptyVin) {
        ElMessage.error('存在未填写车架号（VIN）的明细，请补全后再提交')
        return
      }
    }
    const mappedItems = items.value.map((it) => ({
      sku_id: it.sku_id,
      vin: it.vin || '',
      mileage: it.mileage,
      model_snapshot: it.model_snapshot,
      color_interior_code: it.color_interior_code,
      color_interior_snapshot: it.color_interior_snapshot,
      color_exterior_code: it.color_exterior_code,
      color_exterior_snapshot: it.color_exterior_snapshot,
      unit_price: wrapMoney(it.unit_price, (it as any).unit_price_currency, '单价'),
      handling_fee: wrapMoney(it.handling_fee, (it as any).helper_fee_currency, '手续费'),
      fob_transport_fee: wrapMoney(
        it.fob_transport_fee ?? (it as any).fob_fee,
        (it as any).fob_fee_currency,
        'FOB运输费'
      ),
      port_misc_fee: wrapMoney(
        it.port_misc_fee ?? (it as any).port_fee,
        (it as any).port_fee_currency,
        '港杂费'
      ),
      ocean_freight: wrapMoney(it.ocean_freight, (it as any).ocean_freight_currency, '海运费'),
      retrofit_fee: wrapMoney((it as any).retrofit_fee, (it as any).modify_fee_currency, '改装费'),
      modify_list: it.modify_list,
      // total_price: wrapMoney(it.total_price, (it as any).total_price_currency, '总价'),
      total_price: wrapMoney(it.unit_price, (it as any).unit_price_currency, '总价'),
      official_price: wrapMoney(
        (it as any).official_price ?? (it as any).guide_price,
        (it as any).guide_price_currency,
        '官方指导价'
      ),
      discount_price: wrapMoney(
        (it as any).discount_price ?? (it as any).discount,
        (it as any).discount_currency,
        '优惠额'
      ),
      listing_price: wrapMoney(it.listing_price, (it as any).listing_price_currency, '挂牌价'),
      reduction_price: wrapMoney(it.reduction_price, (it as any).reduction_price_currency, '二手减价')
    }))

    // 从提交参数中移除 settlement_currency
    const baseFormWithoutCur = { ...(baseForm as any) }
    delete (baseFormWithoutCur as any).total_cif
    delete (baseFormWithoutCur as any).total_cif_currency
    delete (baseFormWithoutCur as any).total_cif_currency_snapshot
    delete (baseFormWithoutCur as any).contract_url
    const payload = {
      ...baseFormWithoutCur,
      veh_list: mappedItems,
      account_list: paymentItems.value,
      approval_status: type
    }

    try {
      if (edit) {
        const { message } = await CrmService.editStock({
          ...payload,
          id: edit
        } as any)
        ElMessage.success(message || '保存成功')
      } else {
        const { message } = await CrmService.addStock(payload as any)
        ElMessage.success(message || '保存成功')
      }
      setTimeout(() => {
        if (isfinal == '1') {
          window.location.href = '/crmpc/stocking/final_list'
        } else {
          window.location.href = '/crmpc/stocking/stocking_list'
        }
      }, 1000)
    } catch (e) {
      ElMessage.error('保存失败')
    }
  }

  // 监听器
  watch(
    () => baseForm.settlement_currency,
    (newCurrency) => {
      if (newCurrency) {
        baseForm.contract_exchange_rate = getCurrencyRate(newCurrency)
        if (typeof validateContractRate === 'function') {
          validateContractRate()
        }
        // 结算币种变化时，按新币种重算所有行利润
        (items.value || []).forEach((it: any, index: number) => {
          const profit = calcProfit(it)
          if (items.value[index]) items.value[index].profit = isNaN(profit) ? 0 : Number(profit.toFixed(2))
        })
      }
    }
  )

  watch(
    () => baseForm.contract_exchange_rate,
    (newCurrency) => {
      if (newCurrency) {
        if (typeof validateContractRate === 'function') {
          validateContractRate()
        }
      }
    }
  )

  watch(
    items,
    (val) => {
      val.forEach((it: any, index: number) => {
        const profit = calcProfit(it)
        if (items.value[index]) items.value[index].profit = isNaN(profit) ? 0 : Number(profit.toFixed(2))
      })
      
      // 合计到岸价 = 所有单价相加
      const sum = (val || []).reduce((acc: number, cur: any) => {
        const n = cur?.unit_price === undefined || cur?.unit_price === null || cur?.unit_price === '' ? 0 : Number(cur.unit_price)
        return acc + (isNaN(n) ? 0 : n)
      }, 0)
      baseForm.total_cif = Number(sum.toFixed(2))
      
      // 同步合计币种为第一行单价币种（若有）
      if (items.value.length > 0) {
        const c = items.value[0]?.unit_price_currency
        if (c) baseForm.total_cif_currency = c
      }
    },
    { deep: true }
  )

  // 初始化方法
  const initializeForm = async () => {
    await Promise.all([
      getcustomer(),
      loadCurrencyOptions(),
      getgetChannel(),
      getarea(),
      getmodification(),
      loadColorOptions(),
      loadAccountOptions(),
      loadPortOptions(),
      loadDictOptions()
    ])
    
    // 设置默认汇率
    baseForm.contract_exchange_rate = getCurrencyRate('CNY')
    
    // 设置预计发送日默认为当天
    const today = new Date()
    const year = today.getFullYear()
    const month = String(today.getMonth() + 1).padStart(2, '0')
    const day = String(today.getDate()).padStart(2, '0')
    baseForm.biz_date = `${year}-${month}-${day}`
  }

  return {
    // 数据
    baseForm,
    items,
    paymentItems,
    contractFile,
    customerDialog,
    vehicleDialog,
    
    // 选项数据
    channelOptions,
    countryOptions,
    modificationOptions,
    currencyOptions,
    accountOptions,
    customerOptions,
    portOptions,
    portOptionsall,
    wcolorOptions,
    ncolorOptions,
    transportOptions,
    trade_termsOptions,
    
    // 上传相关
    actionImageUplode,
    uploadHeaders,
    
    // 方法
    initializeForm,
    populateFromDetail,
    handleSubmit,
    getCurrencyRate,
    validateContractRate,
    wrapMoney,
    calcProfit,
    
    // 合同文件方法
    isImageFile,
    beforeContractUpload,
    handleContractUpload,
    removeContractFile,
    
    // 订单项方法
    copyRow,
    addRowAfter,
    removeRow,
    newItem,
    
    // 收款项方法
    addPaymentItem,
    removePaymentItem,
    newPaymentItem,
    
    // 客户选择方法
    openCustomerDialog,
    getCustomerList,
    handleCustomerSizeChange,
    handleCustomerCurrentChange,
    chooseCustomer,
    
    // 车辆选择方法
    openVehicleDialog,
    getVehicleList,
    handleVehicleSizeChange,
    handleVehicleCurrentChange,
    chooseVehicle
  }
}