/** 从订单详情组装 createOrderOne 标准请求体（ForwardWithSubscribe） */

function pick(raw: Record<string, any> | undefined, ...keys: string[]) {
  if (!raw) return undefined
  for (const k of keys) {
    const v = raw[k]
    if (v !== undefined && v !== null && v !== '') return v
  }
  return undefined
}

function resolveCountryIso(
  countryRef: unknown,
  countryIdToCode: Map<number, string>
): string | undefined {
  if (countryRef == null || countryRef === '') return undefined
  if (typeof countryRef === 'string' && countryRef.length === 2) return countryRef.toUpperCase()
  const n = Number(countryRef)
  if (Number.isFinite(n) && countryIdToCode.has(n)) return countryIdToCode.get(n)
  return typeof countryRef === 'string' ? countryRef : undefined
}

function mapItem(raw: Record<string, any>) {
  const hs = pick(raw, 'hsCode', 'HsCode', 'exHsCode', 'ExHsCode', 'imHsCode', 'ImHsCode')
  return {
    cnName: pick(raw, 'cnName', 'CnName'),
    enName: pick(raw, 'enName', 'EnName'),
    sku: pick(raw, 'sku', 'Sku'),
    unit: pick(raw, 'unit', 'Unit'),
    unitPrice: pick(raw, 'unitPrice', 'UnitPrice'),
    unitWeight: pick(raw, 'unitWeight', 'UnitWeight'),
    quantity: pick(raw, 'quantity', 'Quantity'),
    amount: pick(raw, 'amount', 'Amount'),
    weight: pick(raw, 'weight', 'Weight'),
    imHsCode: pick(raw, 'imHsCode', 'ImHsCode') ?? hs,
    exHsCode: pick(raw, 'exHsCode', 'ExHsCode') ?? hs,
    declareElement: pick(raw, 'declareElement', 'DeclareElement'),
    productId: pick(raw, 'productId', 'ProductId'),
    nonStdProductId: pick(raw, 'nonStdProductId', 'NonStdProductId'),
    stdProductId: pick(raw, 'stdProductId', 'StdProductId'),
    skuImage: pick(raw, 'skuImage', 'SkuImage'),
    category: pick(raw, 'category', 'Category'),
    brand: pick(raw, 'brand', 'Brand'),
    brandType: pick(raw, 'brandType', 'BrandType'),
    isMagnetic: raw.isMagnetic === true || raw.IsMagnetic === true || raw.isMagnetic === 1,
    distribution: pick(raw, 'distribution', 'Distribution'),
    material: pick(raw, 'material', 'Material'),
    enMaterial: pick(raw, 'enMaterial', 'EnMaterial'),
    purpose: pick(raw, 'purpose', 'Purpose'),
    attributes: pick(raw, 'attributes', 'Attributes'),
    originCountry: pick(raw, 'originCountry', 'OriginCountry'),
    salesLink: pick(raw, 'salesLink', 'SalesLink'),
    model: pick(raw, 'model', 'Model'),
    specifications: pick(raw, 'specifications', 'Specifications'),
    comment: pick(raw, 'comment', 'Comment'),
  }
}

export function buildCountryIdToCodeMap(countries: any[]): Map<number, string> {
  const map = new Map<number, string>()
  for (const c of countries || []) {
    const id = Number(c.id ?? c.Id)
    const code = String(c.countryCode ?? c.CountryCode ?? '').trim()
    if (Number.isFinite(id) && code) map.set(id, code)
  }
  return map
}

export type BuildCreateOrderOneBodyOptions = {
  /** 服务渠道「预报渠道 code」，写入 productCode；不传则不带 productCode */
  forecastCode?: string | null
}

/**
 * 组装 createOrderOne 请求体。
 * - productCode：取渠道「预报渠道 code」（forecastCode），不是销售产品 code
 * - 不传 channelCode / requestId / exportCustomsMode 等 OMS 扩展字段
 */
export function buildCreateOrderOneBody(
  order: Record<string, any>,
  countryIdToCode: Map<number, string>,
  options?: BuildCreateOrderOneBodyOptions
): Record<string, unknown> {
  const weightList = (order.weightList ?? order.WeightList ?? []) as any[]
  const forecast =
    weightList.find((w) => String(w.type ?? w.Type ?? '').toLowerCase() === 'forecast') ??
    weightList[0] ??
    {}

  const receiverRaw = (order.receiver ?? order.Receiver ?? {}) as Record<string, any>
  const senderRaw = (order.sender ?? order.Sender ?? {}) as Record<string, any>
  const itemsRaw = (order.items ?? order.Items ?? []) as any[]

  const receiverCountry =
    pick(order, 'consigneeCountry', 'ConsigneeCountry') ??
    resolveCountryIso(
      pick(receiverRaw, 'countryCode', 'CountryCode', 'country', 'Country'),
      countryIdToCode
    )

  const senderCountry = resolveCountryIso(
    pick(senderRaw, 'countryCode', 'CountryCode', 'country', 'Country'),
    countryIdToCode
  )

  const forecastCode = String(options?.forecastCode ?? '').trim()

  const body: Record<string, unknown> = {
    clientNo: pick(order, 'clientNo', 'ClientNo'),
    trackNo: pick(order, 'trackNo', 'TrackNo'),
    serviceNo: pick(order, 'serviceNo', 'ServiceNo'),
    cargoAttribute: pick(order, 'cargoAttribute', 'CargoAttribute'),
    warehouseId: pick(order, 'warehouseId', 'WarehouseId'),
    customerId: pick(order, 'customerId', 'CustomerId'),
    length: pick(forecast, 'length', 'Length'),
    width: pick(forecast, 'width', 'Width'),
    height: pick(forecast, 'height', 'Height'),
    actualWeight: pick(forecast, 'actualWeight', 'ActualWeight'),
    volumetricWeight: pick(forecast, 'volumetricWeight', 'VolumetricWeight'),
    chargeableWeight: pick(forecast, 'chargeableWeight', 'ChargeableWeight'),
    cubic: pick(forecast, 'cubic', 'Cubic'),
    isCod: order.isCod === true || order.IsCod === true || order.isCod === 1 || order.IsCod === 1,
    codSum: pick(order, 'codSum', 'CodSum') != null ? String(pick(order, 'codSum', 'CodSum')) : undefined,
    codCurrency: pick(order, 'codCurrency', 'CodCurrency'),
    declaredCurrency: pick(order, 'declaredCurrency', 'DeclaredCurrency'),
    declaredSum:
      pick(order, 'declaredSum', 'DeclaredSum') != null
        ? String(pick(order, 'declaredSum', 'DeclaredSum'))
        : undefined,
    quantity:
      pick(order, 'quantity', 'Quantity') != null
        ? String(pick(order, 'quantity', 'Quantity'))
        : undefined,
    receiver: {
      recipientsName: pick(receiverRaw, 'recipientsName', 'RecipientsName'),
      companyName: pick(receiverRaw, 'companyName', 'CompanyName'),
      phone: pick(receiverRaw, 'phone', 'Phone'),
      telePhone: pick(receiverRaw, 'telePhone', 'TelePhone'),
      email: pick(receiverRaw, 'email', 'Email'),
      countryCode: receiverCountry,
      province: pick(receiverRaw, 'province', 'Province'),
      city: pick(receiverRaw, 'city', 'City'),
      streetNumber: pick(receiverRaw, 'streetNumber', 'StreetNumber'),
      streetAddress1: pick(receiverRaw, 'streetAddress1', 'StreetAddress1'),
      streetAddress2: pick(receiverRaw, 'streetAddress2', 'StreetAddress2'),
      streetAddress3: pick(receiverRaw, 'streetAddress3', 'StreetAddress3'),
      zipCode: pick(receiverRaw, 'zipCode', 'ZipCode'),
      taxType: pick(receiverRaw, 'taxType', 'TaxType'),
      taxNo: pick(receiverRaw, 'taxNo', 'TaxNo'),
      certificateType: pick(receiverRaw, 'certificateType', 'CertificateType'),
      certificateNo: pick(receiverRaw, 'certificateNo', 'CertificateNo'),
      eori: pick(receiverRaw, 'eori', 'Eori'),
      vat: pick(receiverRaw, 'vat', 'Vat'),
    },
    sender: {
      senderName: pick(senderRaw, 'senderName', 'SenderName'),
      company: pick(senderRaw, 'company', 'Company'),
      phone: pick(senderRaw, 'phone', 'Phone'),
      telePhone: pick(senderRaw, 'telePhone', 'TelePhone'),
      email: pick(senderRaw, 'email', 'Email'),
      countryCode: senderCountry,
      province: pick(senderRaw, 'province', 'Province'),
      city: pick(senderRaw, 'city', 'City'),
      zipCode: pick(senderRaw, 'zipCode', 'ZipCode'),
      streetAddress1: pick(senderRaw, 'streetAddress1', 'StreetAddress1'),
      streetAddress2: pick(senderRaw, 'streetAddress2', 'StreetAddress2'),
      streetAddress3: pick(senderRaw, 'streetAddress3', 'StreetAddress3'),
      houseNumber: pick(senderRaw, 'houseNumber', 'HouseNumber'),
    },
    items: itemsRaw.map((row) => mapItem(row)),
  }

  if (forecastCode) {
    body.productCode = forecastCode
  }

  return body
}