/** 采购明细门店单元格（溯源订货明细） */
export interface IPurchaseStoreCell {
  order_item_id: number;
  store_id: number;
  quantity: number;
  weight: number;
  /** 金额 = 称重>0 ? 称重×单价 : 数量×单价（单价 = 成本/包规） */
  amount: number;
}

/** 采购明细行（商品维度聚合，行 × 门店列矩阵） */
export interface IPurchaseDetailRow {
  product_id: number;
  product_name: string;
  /** 规格/包规 */
  product_spec: string;
  unit: string;
  supplier_id: number;
  supplier?: { id: number; name: string } | null;
  /** 成本 */
  cost_price: number;
  /** 合计数量 */
  quantity: number;
  /** 合计实际称重 */
  weight: number;
  cells: Record<number, number>;
}

/** 采购单 */
export default interface IPurchaseOrder {
  id?: number;
  purchase_no?: string;
  purchase_date?: string;
  /** 0进行中 3已完成 */
  status?: number;
  total_quantity?: string;
  total_weight?: string;
  estimate_amount?: string;
  actual_amount?: string;
  operator_id?: number;
  operator?: { id: number; nickname: string };
  remark?: string;
  created_at?: string;
}

/** 采购单详情（矩阵数据） */
export interface IPurchaseDetail {
  purchase: IPurchaseOrder;
  stores: { id: number; name: string }[];
  items: IPurchaseDetailRow[];
}

export const PURCHASE_STATUS_MAP: Record<number, { text: string; color: string }> = {
  0: { text: '进行中', color: 'processing' },
  3: { text: '已完成', color: 'success' },
};

export type PurchaseExportType = 'all' | 'category';
export type ExportFormat = 'xlsx' | 'pdf';