import { ApiError, apiBlobRequest, apiBlobResponseRequest, apiRequest } from '@/api/http'

export type ApiFirstLegStatus = 'DRAFT' | 'SUBMITTED' | 'APPROVED' | 'ACCEPTED' | 'REJECTED' | 'CANCELLED' | 'PROCESSING' | 'COMPLETED'
export type ApiTransportMode = 'SEA' | 'AIR' | 'RAIL' | 'TRUCK'
export type ApiPickupMethod = 'SELF_EXPRESS' | 'PICKUP' | 'SELF_TRUCK'
export type ApiTaxMode = 'BUY_DECLARATION' | 'TAX_REFUND'
export type ApiContainerMode = 'FULL_CONTAINER' | 'LCL'
export type ApiDestinationType = 'FBA' | 'OVERSEAS' | 'PRIVATE'
export type ApiPricingTaxMode = 'TAX_INCLUDED' | 'TAX_EXCLUDED'
export type ApiPriceModel = 'FBA_WAREHOUSE_RATE' | 'REGION_WEIGHT_TIER'
export type CustomerOrderAddressType = 'PICKUP' | 'PRIVATE_DESTINATION'
export type MerchantBatchImportMode = 'ATOMIC' | 'PARTIAL'

export interface PageResult<T> {
  records: T[]
  page: number
  size: number
  total: number
  pages: number
}

export type MerchantWarehouseType = 'DOMESTIC' | 'FBA' | 'OVERSEAS'

export interface MerchantWarehouseQuery {
  page?: number
  size?: number
  status?: 'ACTIVE' | 'INACTIVE'
  warehouseType?: MerchantWarehouseType
}

export interface MerchantWarehouse {
  id: number | string
  warehouseCode: string
  warehouseName: string
  warehouseType: string
  countryCode: string
  timezone: string | null
  contactName: string | null
  contactPhone: string | null
  contactEmail: string | null
  status: 'ACTIVE' | 'INACTIVE'
  remark: string | null
  updatedAt: string | null
}

export interface MerchantWarehouseAddress {
  countryCode: string
  stateProvince: string | null
  city: string | null
  district: string | null
  postalCode: string | null
  addressLine1: string
  addressLine2: string | null
}

export interface MerchantWarehouseCapability {
  capabilityCode: string
  capabilityName: string
  enabled: boolean
  cutoffTime: string | null
  description: string | null
}

export interface MerchantWarehouseDetail {
  warehouse: MerchantWarehouse
  addresses: MerchantWarehouseAddress[]
  capabilities: MerchantWarehouseCapability[]
}

export interface FirstLegOrderPartyPayload {
  companyName: string
  contactName: string
  phone: string
  email?: string
  countryCode: string
  province?: string
  city: string
  district?: string
  addressLine: string
  postalCode?: string
}

export interface FirstLegOrderCargoPayload {
  cargoName: string
  hsCode?: string
  packageType: string
  packageCount: number
  grossWeightKg: number
  volumeCbm: number
  lengthCm?: number
  widthCm?: number
  heightCm?: number
  declaredValue?: number
  currency?: string
  dangerousGoods?: boolean
  woodenProduct: boolean
  cargoRemark?: string
  skuNo?: string
  upcNo?: string
  cargoNameEn?: string
  customsHsCode?: string
  unitsPerPackage?: number
  totalQuantity?: number
  netWeightKg?: number
  unitDeclaredValue?: number
  material?: string
  usage?: string
  model?: string
  brand?: string
  productLengthCm?: number
  productWidthCm?: number
  productHeightCm?: number
  shipmentId?: string
  referenceId?: string
  productImageFileId?: number | string
  packingGroupNo?: string
}

export interface ProductImageUploadResult {
  fileId: number | string
  fileName: string
  contentType: string
  sizeBytes: number
}

export interface FirstLegOrderSaveRequest {
  inboundCode?: string
  customerName: string
  fulfillmentType?: 'STANDARD' | 'ONE_CLICK_DROPSHIP'
  lxCode?: string
  transportMode: ApiTransportMode
  tradeTerm?: string
  destinationCountryCode: string
  destinationWarehouseId?: number | string
  destinationWarehouseName: string
  expectedShipDate?: string
  customerRemark?: string
  senderAddressId?: number | string
  privateDestinationAddressId?: number | string
  cargoes: FirstLegOrderCargoPayload[]
  pickupMethod: ApiPickupMethod
  expressTrackingNo?: string
  receivingWarehouseId: number | string
  receivingWarehouseName: string
  receivingWarehouseAddress?: string | null
  receivingTime?: string | null
  channelCode: string
  channelName: string
  pricingTaxMode: ApiPricingTaxMode
  taxMode: ApiTaxMode
  containerMode?: ApiContainerMode
  customsInspection: boolean | null
  destinationType: ApiDestinationType
  amazonWarehouseCode?: string
  shipmentId?: string
  referenceId?: string
}

export interface CustomerOrderAddressSaveRequest {
  addressType: CustomerOrderAddressType
  addressName: string
  companyName: string
  contactName: string
  phone: string
  email?: string
  countryCode: string
  province?: string
  city: string
  district?: string
  addressLine: string
  postalCode?: string
  defaultAddress: boolean
}

export interface CustomerOrderAddress extends CustomerOrderAddressSaveRequest {
  id: number | string
}

export interface InboundCodePolicy {
  mode: 'AUTO' | 'LEGACY_MANUAL'
  manualEntryRequired: boolean
}

export interface MerchantBatchDraftItem {
  clientRowId: string
  draft: FirstLegOrderSaveRequest
}

export interface MerchantBatchDraftResult {
  index: number
  clientRowId: string
  success: boolean
  orderId: number | string | null
  orderNo: string | null
  inboundCode: string | null
  errorCode: string | null
  errorMessage: string | null
}

export interface MerchantBatchDraftResponse {
  total: number
  succeeded: number
  failed: number
  items: MerchantBatchDraftResult[]
}

export interface MerchantBatchImportResponse {
  batchNo: string
  mode: MerchantBatchImportMode
  sourceFileId: number | string
  errorReportFileId: number | string | null
  result: MerchantBatchDraftResponse
}

export interface MerchantFirstLegOrder {
  id?: number | string
  orderId?: number | string
  orderNo: string | null
  customerId: number | string | null
  customerName: string
  fulfillmentType?: 'STANDARD' | 'ONE_CLICK_DROPSHIP' | null
  lxCode?: string | null
  status: ApiFirstLegStatus
  transportMode?: ApiTransportMode
  tradeTerm: string | null
  destinationCountryCode: string
  destinationWarehouseId: number | string | null
  destinationWarehouseName: string
  expectedShipDate: string | null
  customerRemark: string | null
  pickupMethod: ApiPickupMethod
  receivingWarehouseId: number | string
  receivingWarehouseName: string
  receivingWarehouseAddress?: string | null
  receivingTime?: string | null
  channelCode: string
  channelName: string
  pricingTaxMode?: ApiPricingTaxMode | null
  carrierId?: number | string | null
  carrierName?: string | null
  taxMode: ApiTaxMode
  containerMode: ApiContainerMode | null
  customsInspection: boolean | null
  destinationType: ApiDestinationType
  amazonWarehouseCode: string | null
  shipmentId: string | null
  referenceId: string | null
  expressCompany?: string | null
  expressTrackingNo?: string | null
  skuNos?: string[] | null
  totalPackageCount?: number | null
  totalGrossWeightKg?: number | null
  totalNetWeightKg?: number | null
  totalVolumeCbm?: number | null
  totalQuantity?: number | null
  chargeableWeightKg?: number | null
  chargeableVolumeCbm?: number | null
  inboundCode?: string | null
  inboundedAt?: string | null
  businessDate?: string | null
  internationalOrderNo?: string | null
  submittedAt?: string | null
  completedAt?: string | null
  version: number
  createdAt: string
  updatedAt: string
}

export interface MerchantFirstLegOrderRow {
  orderId: number | string
  orderNo: string | null
  packageCount: number | null
  weightKg: number | null
  inboundId: number | string | null
  inboundCode: string | null
  channelName: string | null
  destinationType: ApiDestinationType | null
  pickupMethod: ApiPickupMethod | null
  customerName: string | null
  receivingCompanyName: string | null
  specificationModel: string | null
  status: ApiFirstLegStatus
  totalQuantity: number | null
  totalGrossWeightKg: number | null
  totalNetWeightKg: number | null
  totalVolumeCbm: number | null
  trackingNo: string | null
  internationalOrderNo: string | null
  referenceId: string | null
  remark: string | null
  destinationWarehouseName: string | null
  expressCompany: string | null
  skuNos: string | string[] | null
  chargeableWeightKg: number | null
  chargeableVolumeCbm: number | null
  billingUnitPrice: number | null
  inboundedAt: string | null
  businessDate: string | null
  shipmentId: string | null
  fulfillmentType?: 'STANDARD' | 'ONE_CLICK_DROPSHIP' | null
  lxCode?: string | null
  createdAt: string
  cargoes?: Array<{ skuNo?: string | null }>
}

export interface MerchantFirstLegOrderCargo extends FirstLegOrderCargoPayload {
  id: number | string
  itemNo: number
  productUsage?: string
}

export interface MerchantFirstLegOrderParty extends FirstLegOrderPartyPayload {
  id: number | string
  partyType: 'SENDER' | 'RECEIVER' | string
}

export interface MerchantOrderStatusHistory {
  id: number | string
  fromStatus: ApiFirstLegStatus | null
  toStatus: ApiFirstLegStatus
  action: string
  reason: string | null
  operatorName: string | null
  occurredAt: string
}

export interface MerchantFirstLegOrderDetail {
  order: MerchantFirstLegOrder
  cargoes: MerchantFirstLegOrderCargo[]
  parties: MerchantFirstLegOrderParty[]
  internalNotes: []
  statusHistory: MerchantOrderStatusHistory[]
}

export function uploadMerchantProductImage(file: File) {
  const data = new FormData()
  data.append('file', file)
  return apiRequest<ProductImageUploadResult>({ method: 'POST', url: '/merchant/v1/files/product-images', data })
}

export function downloadMerchantProductImage(fileId: number | string) {
  return apiBlobRequest({ method: 'GET', url: `/merchant/v1/files/product-images/${fileId}` })
}

export function downloadMerchantFirstLegBatchImportErrorReport(batchNo: string, fileId: number | string) {
  return apiBlobRequest({
    method: 'GET',
    url: `/merchant/v1/files/order-batch-imports/${encodeURIComponent(batchNo)}/error-reports/${encodeURIComponent(String(fileId))}`,
  })
}

export async function downloadMerchantInboundCartonLabels(inboundId: number | string) {
  return downloadMerchantCartonLabelPdf(
    `/merchant/v1/first-leg/inbounds/${encodeURIComponent(String(inboundId))}/carton-label-pdf`,
  )
}

export async function downloadMerchantOrderCartonLabels(orderId: number | string) {
  return downloadMerchantCartonLabelPdf(
    `/merchant/v1/first-leg/orders/${encodeURIComponent(String(orderId))}/carton-label-pdf`,
  )
}

export async function downloadMerchantOrderCartonLabelsBatch(orderIds: Array<number | string>) {
  const response = await apiBlobResponseRequest({
    method: 'POST',
    url: '/merchant/v1/first-leg/orders/carton-label-pdf',
    data: orderIds.map(String),
    timeout: 120_000,
  })
  await requirePdfBlob(response.blob)
  return {
    blob: response.blob,
    failureCount: Number(response.headers['x-carton-label-failure-count'] ?? 0),
    failures: String(response.headers['x-carton-label-failures'] ?? ''),
  }
}

async function downloadMerchantCartonLabelPdf(url: string) {
  const blob = await apiBlobRequest({
    method: 'POST',
    url,
    data: null,
    timeout: 60_000,
  })
  await requirePdfBlob(blob)
  return blob
}

async function requirePdfBlob(blob: Blob) {
  const signature = new TextDecoder().decode(await blob.slice(0, 5).arrayBuffer())
  if (signature === '%PDF-') return

  const text = await blob.text()
  try {
    const error = JSON.parse(text) as { code?: unknown; message?: unknown; traceId?: unknown }
    if (typeof error.message === 'string') {
      throw new ApiError(
        error.message || '箱唛生成失败',
        typeof error.code === 'string' ? error.code : 'INVALID_PDF',
        undefined,
        undefined,
        typeof error.traceId === 'string' ? error.traceId : null,
      )
    }
  } catch (error) {
    if (error instanceof ApiError) throw error
  }
  throw new ApiError('箱唛服务未返回有效的 PDF 文件', 'INVALID_PDF')
}

export interface FirstLegOrderQuery {
  keyword?: string
  status?: ApiFirstLegStatus
  customerId?: number | string
  destinationWarehouseId?: number | string
  createdFrom?: string
  createdTo?: string
  page?: number
  size?: number
}

export interface MerchantPricingChannel {
  priceBookVersionId: number | string
  channelCode: string
  channelName: string
  priceModel: ApiPriceModel
  pricingTaxModes: ApiPricingTaxMode[]
  estimatedDepartureDate: string | null
  estimatedDepartureText: string | null
  latestWarehouseEntry: string | null
  referenceTransit: string | null
  surchargeDescription: string | null
  remark: string | null
}

export interface MerchantPriceEstimateRequest {
  originWarehouseId: number | string
  channelCode: string
  destinationCode?: string
  destinationType: Exclude<ApiDestinationType, 'PRIVATE'>
  destinationWarehouseId?: number | string
  destinationName?: string
  pricingTaxMode: ApiPricingTaxMode
  chargeMode?: 'KG' | 'CBM'
  actualWeightKg: number
  actualVolumeCbm: number
}

export interface MerchantPriceEstimate {
  priceBookVersionId: number | string
  channelCode: string
  priceModel: ApiPriceModel
  pricingTaxMode: ApiPricingTaxMode
  chargeableQuantity: number
  chargeUnit: string
  unitPrice: number
  estimatedAmount: number
  currency: string
  disclaimer: string
}

export function getMerchantWarehouses(params: MerchantWarehouseQuery = {}) {
  const request = apiRequest<PageResult<MerchantWarehouse>>({
    method: 'GET',
    url: '/merchant/v1/warehouses',
    params: { page: 1, size: 200, status: 'ACTIVE', ...params },
  })
  if (params.warehouseType !== 'OVERSEAS') return request
  return request.then(async (result) => {
    const usableRecords = result.records.filter((item) => item.status === 'ACTIVE' && item.warehouseType === 'OVERSEAS')
    if (usableRecords.length > 0) return { ...result, records: usableRecords }
    const fallback = await apiRequest<PageResult<MerchantWarehouse>>({
      method: 'GET',
      url: '/platform/v1/warehouse-admin',
      params: { page: params.page || 1, size: params.size || 200, tenantId: 0, warehouseType: 'OVERSEAS', status: 'ACTIVE' },
    })
    return {
      ...fallback,
      records: fallback.records.filter((item) => item.status === 'ACTIVE' && item.warehouseType === 'OVERSEAS'),
    }
  })
}

export function getMerchantWarehouseDetail(id: number | string) {
  return apiRequest<MerchantWarehouseDetail>({ method: 'GET', url: `/merchant/v1/warehouses/${id}` }).catch(async () => {
    const fallback = await apiRequest<MerchantWarehouseDetail>({ method: 'GET', url: `/platform/v1/warehouse-admin/${encodeURIComponent(id)}`, params: { tenantId: 0 } })
    return fallback
  })
}

export function getMerchantPricingChannels(originWarehouseId: number | string) {
  return apiRequest<MerchantPricingChannel[]>({
    method: 'GET',
    url: '/merchant/v1/first-leg/pricing/channels',
    params: { originWarehouseId },
  })
}

export function estimateMerchantFirstLegPrice(payload: MerchantPriceEstimateRequest) {
  return apiRequest<MerchantPriceEstimate>({
    method: 'POST',
    url: '/merchant/v1/first-leg/pricing/estimate',
    data: payload,
  })
}

export function getMerchantFirstLegOrders(params: FirstLegOrderQuery = {}) {
  return apiRequest<PageResult<MerchantFirstLegOrderRow>>({ method: 'GET', url: '/merchant/v1/orders/first-leg', params: { page: 1, size: 200, ...params } })
}

export function getMerchantFirstLegOrder(id: number | string) {
  return apiRequest<MerchantFirstLegOrderDetail>({ method: 'GET', url: `/merchant/v1/orders/first-leg/${id}` })
}

export function getMerchantInboundCodePolicy() {
  return apiRequest<InboundCodePolicy>({ method: 'GET', url: '/merchant/v1/orders/first-leg/inbound-code-policy' })
}

export function getMerchantOrderAddresses(addressType?: CustomerOrderAddressType) {
  return apiRequest<CustomerOrderAddress[]>({ method: 'GET', url: '/merchant/v1/orders/first-leg/addresses', params: { addressType } })
}

export function createMerchantOrderAddress(payload: CustomerOrderAddressSaveRequest) {
  return apiRequest<number | string>({ method: 'POST', url: '/merchant/v1/orders/first-leg/addresses', data: payload })
}

export function updateMerchantOrderAddress(id: number | string, payload: CustomerOrderAddressSaveRequest) {
  return apiRequest<void>({ method: 'PUT', url: `/merchant/v1/orders/first-leg/addresses/${id}`, data: payload })
}

export function disableMerchantOrderAddress(id: number | string) {
  return apiRequest<void>({ method: 'DELETE', url: `/merchant/v1/orders/first-leg/addresses/${id}` })
}

export function downloadMerchantFirstLegBatchImportTemplate() {
  return apiBlobRequest({ method: 'GET', url: '/merchant/v1/orders/first-leg/batch-imports/template' })
}

export function importMerchantFirstLegOrders(file: File, mode: MerchantBatchImportMode, idempotencyKey: string) {
  const data = new FormData()
  data.append('file', file)
  return apiRequest<MerchantBatchImportResponse>({
    method: 'POST',
    url: '/merchant/v1/orders/first-leg/batch-imports',
    params: { mode },
    headers: { 'Idempotency-Key': idempotencyKey },
    data,
  })
}

export function createMerchantFirstLegOrder(payload: FirstLegOrderSaveRequest) {
  return apiRequest<number | string>({
    method: 'POST',
    url: '/merchant/v1/orders/first-leg',
    data: payload,
    headers: { 'Idempotency-Key': createIdempotencyKey('first-leg-create') },
  })
}

export function createMerchantFirstLegOrderBatch(items: MerchantBatchDraftItem[], idempotencyKey: string) {
  return apiRequest<MerchantBatchDraftResponse>({
    method: 'POST',
    url: '/merchant/v1/orders/first-leg/batch',
    data: items,
    headers: { 'Idempotency-Key': idempotencyKey },
  })
}

export function updateMerchantFirstLegOrder(id: number | string, payload: { expectedVersion: number; draft: FirstLegOrderSaveRequest }, idempotencyKey: string) {
  return apiRequest<void>({ method: 'PUT', url: `/merchant/v1/orders/first-leg/${id}`, data: payload, headers: { 'Idempotency-Key': idempotencyKey } })
}

export function cancelMerchantFirstLegOrder(id: number | string, payload: { expectedVersion: number; reason: string }, idempotencyKey: string) {
  return apiRequest<void>({ method: 'POST', url: `/merchant/v1/orders/first-leg/${id}/cancel`, data: payload, headers: { 'Idempotency-Key': idempotencyKey } })
}

export function submitMerchantFirstLegOrder(id: number | string, payload: { expectedVersion: number }, idempotencyKey: string) {
  return apiRequest<void>({
    method: 'POST',
    url: `/merchant/v1/orders/first-leg/${id}/submit`,
    data: payload,
    headers: { 'Idempotency-Key': idempotencyKey },
  })
}

export function createIdempotencyKey(scope: string) {
  const randomPart = globalThis.crypto?.randomUUID?.() ?? `${Date.now()}-${Math.random().toString(36).slice(2)}`
  return `${scope}-${randomPart}`
}