package com.hz.his.vo.project;
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import lombok.Data;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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/**
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* SKU抵扣数据
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*/
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@Data
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public class SkuDeductionVo {
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/**sku标识*/
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private String skuId;
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/**sku最大可抵扣现金金额*/
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private BigDecimal maxCash = BigDecimal.ZERO;
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/**sku抵扣最大现金金额需要支付的积分*/
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private BigDecimal maxIntegralCash = BigDecimal.ZERO;
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/**总单购买项目数量*/
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private Integer totalBuyNum = 0;
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/**项目数量占总单比*/
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private BigDecimal skuNumRate = BigDecimal.ZERO;
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/**子单购买数量*/
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private Integer buyNum = 0;
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/**子单现价总需要支付的金额*/
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private BigDecimal skuPrice = BigDecimal.ZERO;
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/**子单分摊系统金额(储值金+增值金)*/
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private BigDecimal skuSystemPrice = BigDecimal.ZERO;
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/**子单优惠金额*/
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private BigDecimal skuDiscountPrice = BigDecimal.ZERO;
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/**子单剩余还需支付的金额*/
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private BigDecimal skuRemainingPrice = BigDecimal.ZERO;
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/**子单可抵扣最大现金金额*/
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private BigDecimal skuMaxCash = BigDecimal.ZERO;
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/**剩余可分配*/
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private BigDecimal cash = BigDecimal.ZERO;
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/**
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* 计算抵扣金额
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* */
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public void handlerMoney() {
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//计算剩余还要支付的金额
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this.skuRemainingPrice = this.skuPrice.subtract(this.skuSystemPrice).subtract(this.skuDiscountPrice).setScale(2, RoundingMode.HALF_UP);
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//计算子单最大可抵扣
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this.skuMaxCash = this.maxCash.multiply(new BigDecimal(this.buyNum));
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//如果Sku本身计算的最大抵扣现金 大于 剩余要支付的现金,取剩余要支付的现金
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if (this.skuMaxCash.compareTo(this.skuRemainingPrice) > 0){
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this.skuMaxCash = this.skuRemainingPrice;
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}
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}
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/**计算数量*/
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public void handlerNum(Integer totalBuyNum) {
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this.totalBuyNum = totalBuyNum;
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if (totalBuyNum != 0){
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this.skuNumRate = new BigDecimal(this.buyNum).divide(new BigDecimal(this.totalBuyNum),2,RoundingMode.HALF_UP);
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}
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}
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/**计算数量*/
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public void handlerCash(BigDecimal totalMoney) {
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this.cash = this.skuMaxCash.subtract(totalMoney).setScale(2,RoundingMode.HALF_UP);
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}
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}
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