import request from './request'

export interface PurchaseOrderLine {
  lineId: number
  orderId: number
  orderCode: string
  lineNo: number
  trackCode?: string
  planCode?: string
  itemId: number
  itemCode: string
  itemName: string
  specification?: string
  unitName?: string
  needDate?: string
  quantity: number
  unitPrice?: number
  amount?: number
  arrivedQuantity?: number
  remark?: string
}

export interface PurchaseOrder {
  orderId: number
  orderCode: string
  orderDate: string
  status: string
  businessStatus?: string
  businessType: string
  orderType: string
  materialNeed: string
  supplierId?: number
  supplierCode?: string
  supplierName?: string
  deptId?: number
  deptName?: string
  userId?: number
  userName?: string
  deliveryDate?: string
  contractNo?: string
  contractFile?: string
  totalQuantity?: number
  totalAmount?: number
  arrivedQuantity?: number
  remark?: string
  operatorId?: number
  operatorName?: string
  approverId?: number
  approverName?: string
  approveDate?: string
  lines: PurchaseOrderLine[]
  createTime?: string
  // Detail-view join fields
  trackCode?: string
  planCode?: string
  itemCode?: string
  itemName?: string
  needDate?: string
  quantity?: number
  lineArrivedQuantity?: number
}

/** 供应商（采购订单用，数据来源：md_vendor） */
export interface PoSupplier {
  supplierId: number
  supplierCode?: string
  supplierName: string
  supplierNick?: string
  tel?: string
  contact1?: string
  contact1Tel?: string
  enableFlag?: string
}

/** 引入弹窗行（采购计划明细） */
export interface LeadInRow {
  purchaseId: number
  purchaseCode: string
  salesOrderCode?: string
  salesUserName?: string
  deliveryDate?: string
  itemId: number
  itemCode: string
  itemName: string
  specification?: string
  unitName?: string
  demandDate?: string
  purchaseQty: number
  orderedQty: number
  unpurchasedQty?: number
}

export interface PurchaseOrderQuery {
  trackCode?: string
  orderCode?: string
  supplierName?: string
  itemCode?: string
  itemName?: string
  beginDate?: string
  endDate?: string
  status?: string
  pageNum?: number
  pageSize?: number
}

export interface PurchaseOrderListResponse {
  rows: PurchaseOrder[]
  total: number
}

// 获取采购订单列表
export function getPurchaseOrderList(params: PurchaseOrderQuery): Promise<PurchaseOrderListResponse> {
  return request.get('/erp/po/order/list', { params }).then((res: any) => {
    return {
      rows: res.rows || [],
      total: res.total || 0
    }
  })
}

// 获取采购订单详情
export function getPurchaseOrderDetail(orderId: number): Promise<PurchaseOrder> {
  return request.get(`/erp/po/order/${orderId}`).then((res: any) => {
    return res.data
  })
}

// 新增采购订单
export function createPurchaseOrder(data: Partial<PurchaseOrder>): Promise<void> {
  return request.post('/erp/po/order', data)
}

// 更新采购订单
export function updatePurchaseOrder(data: Partial<PurchaseOrder>): Promise<void> {
  return request.put('/erp/po/order', data)
}

// 删除采购订单
export function deletePurchaseOrder(orderIds: string): Promise<void> {
  return request.delete(`/erp/po/order/${orderIds}`)
}

// 获取采购订单单据视图列表
export function getPurchaseOrderDocList(params: PurchaseOrderQuery): Promise<PurchaseOrderListResponse> {
  return request.get('/erp/po/order/docList', { params }).then((res: any) => ({
    rows: res.rows || [],
    total: res.total || 0
  }))
}

// 获取采购订单汇总
export function getPurchaseOrderSummary(params: PurchaseOrderQuery): Promise<{ totalOrderQty: number; totalArrivedQty: number }> {
  return request.get('/erp/po/order/summary', { params }).then((res: any) => res.data || {})
}

// 生成采购订单编码（后端返回的编码在 data 中，msg 为「操作成功」）
export function genPurchaseOrderCode(): Promise<string> {
  return request.get('/erp/po/order/genCode').then((res: any) => res.data ?? res.msg ?? '')
}

// 审核采购订单
export function approvePurchaseOrder(orderIds: string): Promise<void> {
  return request.put(`/erp/po/order/approve/${orderIds}`)
}

// 反审核采购订单
export function unapprovePurchaseOrder(orderIds: string): Promise<void> {
  return request.put(`/erp/po/order/unapprove/${orderIds}`)
}

// 导出采购订单
export function exportPurchaseOrder(params: PurchaseOrderQuery): Promise<Blob> {
  return request.post('/erp/po/order/export', params, { responseType: 'blob' })
}

// 根据采购订单生成到货通知单
export function genArrivalNotice(orderId: number): Promise<number> {
  return request.post(`/erp/po/order/genArrivalNotice/${orderId}`).then((res: any) => res.data)
}

// ============ 供应商 API（使用 MOM md_vendor，表 erp_po_supplier 在 my_mes 中未建） ============

export function getPoSupplierList(params?: { supplierName?: string; contact1?: string; pageNum?: number; pageSize?: number }): Promise<{ rows: PoSupplier[]; total: number }> {
  const { supplierName, contact1, pageNum = 1, pageSize = 200, ...rest } = params ?? {}
  return request.get('/mes/md/vendor/list', {
    params: { enableFlag: 'Y', pageNum, pageSize, vendorName: supplierName, contact1, ...rest }
  }).then((res: any) => {
    const rows = (res.rows ?? []).map((v: any) => ({
      supplierId: v.vendorId,
      supplierCode: v.vendorCode,
      supplierName: v.vendorName ?? '',
      supplierNick: v.vendorNick,
      tel: v.tel,
      contact1: v.contact1,
      contact1Tel: v.contact1Tel,
      enableFlag: v.enableFlag
    }))
    return { rows, total: res.total ?? 0 }
  })
}

// ============ 引入采购计划单明细 API ============

export function getLeadInList(params?: { salesOrderCode?: string; itemCode?: string; itemName?: string; businessType?: string; pageNum?: number; pageSize?: number }): Promise<{ rows: LeadInRow[]; total: number }> {
  return request.get('/erp/po/order/leadIn', { params: { pageNum: 1, pageSize: 200, ...params } }).then((res: any) => {
    const rows = (res.rows ?? []).map((r: any) => ({
      ...r,
      unpurchasedQty: (r.purchaseQty ?? 0) - (r.orderedQty ?? 0)
    }))
    return { rows, total: res.total ?? 0 }
  })
}

// ============ 状态映射 ============

export const STATUS_MAP: Record<string, { label: string; type: string }> = {
  PREPARE: { label: '开立', type: 'info' },
  DRAFT: { label: '开立', type: 'info' },
  APPROVED: { label: '审核', type: 'success' },
  CLOSED: { label: '关闭', type: '' },
  REJECTED: { label: '退回', type: 'warning' }
}

export const BUSINESS_STATUS_MAP: Record<string, string> = {
  NORMAL: '正常', COMPLETED: '完成', PAUSE: '暂停', CANCEL: '取消'
}

export const BUSINESS_TYPE_OPTIONS = [
  { value: '原材料', label: '原材料' },
  { value: '零部件', label: '零部件' },
  { value: '装配件', label: '装配件' },
  { value: '成品', label: '成品' },
  { value: '五金件', label: '五金件' },
  { value: '包装物', label: '包装物' }
]

export const BUSINESS_STATUS_OPTIONS = [
  { value: 'NORMAL', label: '正常' },
  { value: 'COMPLETED', label: '完成' },
  { value: 'PAUSE', label: '暂停' },
  { value: 'CANCEL', label: '取消' }
]