const core = getApp().globalData.requirejs("core")
module.exports = {
	/**
	 * 处理金豆抵扣方法
	 * @param {*} e 
	 */
	modifyCreditDeduct: function(that) {
		let use_huodong_money=0 //平台赠送活动金额
		let list = that.list
		list.is_use_credit_deduct = this.use_deductprice ? 'yes' : 'no'
		// 剩余要付款金额
		let allBa2Need = parseFloat(list.realprice - that.list.money_sub - list.deduct_recharge)
		allBa2Need = getApp().globalData.util.numberFloor(allBa2Need)
		// 储值和金豆抵扣满足一个即可
		if (that.use_deductprice) {
			let credit1 = that.credit1
			if (credit1 <= 0) { //金豆为0
				list.deductprice = 0;
				list.needpay = list.realprice;
			} else {
				//计算客户金豆余额折算现金
				let user_credit_to_money=getApp().globalData.util.numberFloor(credit1 * that.merch.credit_pay_rate);
				//计算金豆最大支付金额比例
				let max_credit_money=that.merch.credit_pay_proportion*list.realprice;
				//客户金豆金额>最大抵扣金豆金额
				if(user_credit_to_money>max_credit_money){
					//金豆抵扣金额
					list.deductprice=max_credit_money;
					//金豆抵扣个数=赠送金豆个数+个人抵扣
					list.deductcredit=max_credit_money/that.merch.credit_pay_rate;
					//真实付款
					list.needpay = list.realprice - list.deductprice;
				}
				else{ //金豆不足最大金豆支付比例
					list.needpay = list.realprice - user_credit_to_money;
					list.deductprice=user_credit_to_money;
				}
				//更新金豆最大抵扣金额
				that.use_max_credit_money=list.deductprice;
			}
		} else {
			that.hideRechargeDeduct = false
			list.deductcredit = 0
			list.deductprice = 0
			list.needpay = list.realprice
		}

		//赠送金豆活动
		if(that.credit1_hot_set>0){
			if(that.use_deductprice_hot){
				//使用活动金额
				use_huodong_money=that.credit1_hot_rang * that.merch.credit_pay_rate
				list.deductprice_zs = that.credit1_hot_rang* that.merch.credit_pay_rate
				list.deductcredit_zs = that.credit1_hot_rang
			}
			else{
				//不使用活动金额
				use_huodong_money=0
				list.deductprice_zs = 0
				list.deductcredit_zs = 0
			}
		
		}
		
		//真实付款-随机立减-储值卡
		list.needpay = parseFloat(list.needpay) - parseFloat(that.list.money_sub) - parseFloat(that.list
			.deduct_recharge)-use_huodong_money
		list.needpay = parseFloat(list.needpay).toFixed(2)
		list.needpay = list.needpay > 0 ? list.needpay : 0
		that.list = list
		that.submit = false
		that.$forceUpdate()
	},

}