/** 采购分摊记录 */
export interface IPurchaseAllocation {
  id?: number;
  purchase_item_id?: number;
  order_item_id?: number;
  store_id?: number;
  product_id?: number;
  quantity?: string;
  weight?: string;
  amount?: string;
  store?: { id: number; name: string };
  product?: { id: number; name: string; unit: string };
}

/** 采购明细 */
export interface IPurchaseOrderItem {
  id?: number;
  purchase_id?: number;
  product_id?: number;
  supplier_id?: number;
  product_name?: string;
  product_spec?: string;
  price?: string;
  quantity?: string;
  weight?: string;
  amount?: string;
  sort?: number;
  is_sent?: number;
  sent_at?: string;
  supplier_confirmed_at?: string;
  remark?: string;
  supplier?: { id: number; name: string };
  allocations?: IPurchaseAllocation[];
}

/** 采购单 */
export default interface IPurchaseOrder {
  id?: number;
  purchase_no?: string;
  purchase_date?: string;
  /** 0待发送 1部分发送 2全部发送 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;
  items?: IPurchaseOrderItem[];
  created_at?: string;
}

export const PURCHASE_STATUS_MAP: Record<number, { text: string; color: string }> = {
  0: { text: '待发送', color: 'default' },
  1: { text: '部分发送', color: 'processing' },
  2: { text: '全部发送', color: 'cyan' },
  3: { text: '已完成', color: 'success' },
};

/** 分摊结果聚合行 */
export interface IAllocationAggRow {
  store_id?: number;
  store_name?: string;
  product_id?: number;
  product_name?: string;
  unit?: string;
  quantity: number;
  weight: number;
  amount: number;
}

export interface IAllocationResult {
  by_store: IAllocationAggRow[];
  by_product: IAllocationAggRow[];
  total_amount: number;
}

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