import type { LastMileOrderSummaryDto } from './api/lastMileOrders'
import type { LastMileOrderListItem } from './types'

const orderTypeLabels: Record<string, string> = {
  ONE_CLICK_DROPSHIP: '一件代发',
  FIRST_LEG: '头程',
  REJECTED: '拒收订单',
  EXPRESS: '快递订单',
}

const statusLabels: Record<string, string> = {
  PENDING_ASSIGNMENT: '待分配',
  DESTINATION_ASSIGNED: '已分配目的仓',
  INBOUND_PLANNED: '已生成入库计划',
  PENDING_PROCESSING: '待处理',
  PROCESSING: '处理中',
  COMPLETED: '已完成',
  CANCELLED: '已取消',
}

function text(value: unknown) {
  const normalized = String(value ?? '').trim()
  return normalized || '—'
}

function count(value: number | null | undefined) {
  return Number.isFinite(value) ? Number(value) : 0
}

function yesNo(value: boolean | null | undefined) {
  return value == null ? '—' : value ? '是' : '否'
}

export function lastMileStatusLabel(value: unknown) {
  const code = String(value ?? '').trim()
  return statusLabels[code] || text(code)
}

export function lastMileOrderTypeLabel(value: unknown) {
  const code = String(value ?? '').trim()
  return orderTypeLabels[code] || text(code)
}

export function formatOverseasDateTime(value: unknown) {
  const raw = String(value ?? '').trim()
  if (!raw) return '—'
  const date = new Date(raw)
  return Number.isNaN(date.getTime()) ? raw : date.toLocaleString('zh-CN', { hour12: false })
}

export function toLastMileOrderListItem(dto: LastMileOrderSummaryDto): LastMileOrderListItem {
  return {
    id: String(dto.id),
    customerId: String(dto.customerId),
    orderNo: text(dto.orderNo),
    warning: dto.abnormal ? '异常' : '—',
    orderType: lastMileOrderTypeLabel(dto.orderType),
    rejectedAt: '—',
    inboundCode: text(dto.inboundCode),
    owner: text(dto.customerName),
    warehouse: text(dto.overseasWarehouseName),
    transferWarehouse: text(dto.transferWarehouseName),
    fbaWarehouse: text(dto.fbaWarehouseCode),
    containerNo: text(dto.containerNo),
    containerStatus: text(dto.containerStatus),
    abnormal: yesNo(dto.abnormal),
    held: yesNo(dto.detained),
    pallets: count(dto.palletCount),
    cartons: count(dto.packageCount),
    volume: count(dto.volumeCbm),
    quantity: count(dto.productQuantity),
    volumeWeight: count(dto.volumeWeightKg),
    portEta: formatOverseasDateTime(dto.estimatedArrivalAt),
    portAta: formatOverseasDateTime(dto.actualArrivalAt),
    warehouseEta: formatOverseasDateTime(dto.estimatedWarehouseAt),
    inboundOrderNo: text(dto.inboundOrderNo),
    outboundOrderNo: text(dto.outboundOrderNo),
    dispatchOrderNo: text(dto.deliveryOrderNo),
    relabelOrderNo: text(dto.relabelOrderNo),
    relabelStatus: lastMileStatusLabel(dto.relabelStatus),
    consolidated: text(dto.palletMergeFlag),
    status: lastMileStatusLabel(dto.currentStatus),
    internalRemark: text(dto.privateRemark),
    customerRemark: text(dto.customerRemark),
    warehouseRemark: text(dto.warehouseRemark),
  }
}