import { PromotionCodeData } from "./PromotionCodeData";
import { PromotionItem } from "./PromotionItem";
/**
 * Order line for promotion calculation
 * 促销计算的订单行
 */
export type PromotionOrderLine = {
    /**
     * Real sale price
     * 实际销售价格
     */
    price: number;
    /**
     * Quantity
     * 数量
     */
    qty: number;
    /**
     * Current price for promotion calculation, it will be modified by promotion code calculate function
     * 当前促销计算价格，促销代码的计算函数会修改这个价格以供后续促销计算使用
     */
    currentPrice?: number | undefined;
};
/**
 * Promotion sale base item
 * 销售促销基础项目
 */
export type PromotionSaleItemBase = {
    /**
     * Id
     * 编号
     */
    id: number;
    /**
     * Amount
     * 金额
     */
    amount: number;
};
/**
 * Promotion code calculation result
 * 促销代码计算结果
 */
export type PromotionCodeCalculation = PromotionSaleItemBase & {
    /**
     * Times
     * 次数
     */
    times: number;
    /**
     * Promotion title
     * 促销标题
     */
    title: string;
};
/**
 * Promotion code definition
 * 促销代码定义，如果是面向产品和产品类目的促销，满足的金额是本行的金额；如果是面向订单的促销，满足的金额是订单的总金额
 * calculate函数会修改订单行的currentPrice以供后续促销计算使用
 */
export type PromotionCode = {
    id: number;
    label: string;
    calculate: (p: PromotionItem, sale: PromotionOrderLine | null | undefined, amount: number) => PromotionCodeCalculation | undefined;
    validate: (data: PromotionCodeData) => string | void;
};
/**
 * Promotion code name
 * 促销代码名称
 */
export declare enum PromotionCodeName {
    OMJ = 1,// 订单满{m}减{n}
    PMJ = 6,// 产品满{m}减{n}
    PMS = 2,// 产品买{n}送一
    PEZ = 3,// 产品第二件{n}折
    PKZ = 7,// 产品{n}折
    PJH = 8,// 产品{n}件以上{m}优惠价
    CKZ = 4,// 客户{n}折
    CDZ = 5
}
export declare const promotionCodes: PromotionCode[];