package com.xcong.excoin.utils;


import com.xcong.excoin.modules.member.dao.MemberSettingDao;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import com.xcong.excoin.modules.member.entity.MemberSettingEntity;
import com.xcong.excoin.modules.platform.entity.PlatformTradeSettingEntity;
import lombok.extern.slf4j.Slf4j;

import java.math.BigDecimal;

/**
 * @author helius
 */
@Slf4j
public class CalculateUtil {

    /**
     * 计算预估强平价
     *
     * @param bondAmount        保证金
     * @param openPrice       开仓价
     * @param symbolSkuNumber 张数
     * @param lotNumber       规格
     * @param type            1:买多2：卖空
     * @return
     */
    public static BigDecimal getForceSetPrice(BigDecimal bondAmount, BigDecimal openPrice, int symbolSkuNumber, BigDecimal lotNumber,
                                              int type, MemberEntity member) {
        MemberSettingDao memberSettingDao = SpringContextHolder.getBean(MemberSettingDao.class);
        BigDecimal forcePrice = BigDecimal.ZERO;
        BigDecimal money = bondAmount.divide(new BigDecimal(symbolSkuNumber).multiply(lotNumber), 8, BigDecimal.ROUND_DOWN);
        //卖空
        if (type == 2) {
            forcePrice = money.add(openPrice);
            if (member.getIsForce() == 1) {
                MemberSettingEntity memberSetting = memberSettingDao.selectMemberSettingByMemberId(member.getId());
                //预估强平价 = 预估强平价-预估强平价*系数
                forcePrice = forcePrice.subtract(forcePrice.multiply(memberSetting.getForceParam() == null ? BigDecimal.ZERO : memberSetting.getForceParam()));
            }
        } else {//开多
            forcePrice = openPrice.subtract(money);
            if (member.getIsForce() == 1) {
                MemberSettingEntity memberSetting = memberSettingDao.selectMemberSettingByMemberId(member.getId());
                log.info("---强平价系数-->{}", memberSetting.getForceParam());
                //预估强平价 = 预估强平价-预估强平价*系数
                forcePrice = forcePrice.add(forcePrice.multiply(memberSetting.getForceParam() == null ? BigDecimal.ZERO : memberSetting.getForceParam()));
            }
        }
        if (forcePrice.compareTo(BigDecimal.ZERO) < 0) {
            forcePrice = BigDecimal.ZERO;
        }
        return forcePrice;
    }
}