package com.xcong.excoin.modules.contract.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xcong.excoin.common.entity.QueryRequest;
import com.xcong.excoin.common.service.RedisService;
import com.xcong.excoin.common.utils.CacheSettingUtils;
import com.xcong.excoin.common.utils.CoinTypeConvert;
import com.xcong.excoin.modules.agent.entity.MemberEntity;
import com.xcong.excoin.modules.contract.entity.ContractHoldOrderEntity;
import com.xcong.excoin.modules.contract.entity.PlatformTradeSettingEntity;
import com.xcong.excoin.modules.contract.mapper.ContractHoldOrderMapper;
import com.xcong.excoin.modules.contract.service.IContractHoldOrderService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;

/**
 * @author wzy
 * @date 2020-06-16
 **/
@Slf4j
@Service
@RequiredArgsConstructor
public class ContractHoldOrderServiceImpl extends ServiceImpl<ContractHoldOrderMapper, ContractHoldOrderEntity> implements IContractHoldOrderService {

    private final RedisService redisService;

    private final CacheSettingUtils cacheSettingUtils;

    @Override
    public IPage<ContractHoldOrderEntity> findHoldList(ContractHoldOrderEntity contractHoldOrderEntity, QueryRequest request) {
        Page<ContractHoldOrderEntity> page = new Page<>(request.getPageNum(), request.getPageSize());
        IPage<ContractHoldOrderEntity> list = this.baseMapper.selectHoldListInPage(contractHoldOrderEntity, page);
        if (CollUtil.isNotEmpty(list.getRecords())) {
            // 计算订单盈亏和回报率
            for (ContractHoldOrderEntity holdOrderEntity : list.getRecords()) {
                BigDecimal newPrice = new BigDecimal((String) redisService.get(CoinTypeConvert.convertToKey(holdOrderEntity.getSymbol())));
                BigDecimal lotNumber = cacheSettingUtils.getSymbolSku(holdOrderEntity.getSymbol());
                // 盈亏
                BigDecimal rewardRatio = BigDecimal.ZERO;
                // 开多
                if (ContractHoldOrderEntity.OPENING_TYPE_MORE == holdOrderEntity.getOpeningType()) {
                    // (最新价-开仓价)*规格*张数
                    rewardRatio = newPrice.subtract(holdOrderEntity.getOpeningPrice()).multiply(lotNumber).multiply(new BigDecimal(holdOrderEntity.getSymbolCnt()));
                    // 开空
                } else {
                    // (开仓价-最新价)*规格*张数
                    rewardRatio = holdOrderEntity.getOpeningPrice().subtract(newPrice).multiply(lotNumber).multiply(new BigDecimal(holdOrderEntity.getSymbolCnt()));
                }

                if (holdOrderEntity.getIsProfit() == MemberEntity.IS_PROFIT_Y) {
                    PlatformTradeSettingEntity tradeSettingEntity = cacheSettingUtils.getTradeSetting();
                    if (rewardRatio.compareTo(BigDecimal.ZERO) > -1) {
                        rewardRatio = rewardRatio.multiply(BigDecimal.ONE.subtract(tradeSettingEntity.getProfitParam()));
                    } else {
                        rewardRatio = rewardRatio.multiply(BigDecimal.ONE.add(tradeSettingEntity.getProfitParam()));
                    }
                }

                // 回报率
                BigDecimal returnRate = rewardRatio.divide(holdOrderEntity.getBondAmount().subtract(holdOrderEntity.getOpeningFeeAmount()), 8, BigDecimal.ROUND_DOWN);

                holdOrderEntity.setLoseOrProfit(rewardRatio);
                holdOrderEntity.setReturnRatio(returnRate);
            }
        }
        return list;
    }
}