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

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xcong.excoin.common.LoginUserUtils;
import com.xcong.excoin.common.enumerates.MemberWalletCoinEnum;
import com.xcong.excoin.common.enumerates.RabbitPriceTypeEnum;
import com.xcong.excoin.common.response.Result;
import com.xcong.excoin.common.system.service.CommonService;
import com.xcong.excoin.modules.contract.dao.ContractEntrustOrderDao;
import com.xcong.excoin.modules.contract.dao.ContractOrderDao;
import com.xcong.excoin.modules.contract.entity.ContractEntrustOrderEntity;
import com.xcong.excoin.modules.contract.entity.ContractOrderEntity;
import com.xcong.excoin.modules.contract.mapper.ContractEntrustOrderEntityMapper;
import com.xcong.excoin.modules.contract.parameter.dto.SubmitEntrustDto;
import com.xcong.excoin.modules.contract.parameter.dto.SubmitOrderDto;
import com.xcong.excoin.modules.contract.parameter.vo.ContractEntrustVo;
import com.xcong.excoin.modules.contract.service.ContractEntrustOrderService;
import com.xcong.excoin.modules.contract.service.ContractHoldOrderService;
import com.xcong.excoin.modules.member.dao.MemberWalletContractDao;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import com.xcong.excoin.modules.member.entity.MemberWalletContractEntity;
import com.xcong.excoin.modules.platform.entity.PlatformTradeSettingEntity;
import com.xcong.excoin.rabbit.pricequeue.OrderModel;
import com.xcong.excoin.rabbit.producer.OrderProducer;
import com.xcong.excoin.utils.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.List;

/**
 * @author wzy
 * @date 2020-05-27
 **/
@Slf4j
@Service
public class ContractEntrustOrderServiceImpl extends ServiceImpl<ContractEntrustOrderDao, ContractEntrustOrderEntity> implements ContractEntrustOrderService {

    @Resource
    private ContractEntrustOrderDao contractEntrustOrderDao;

    @Resource
    private MemberWalletContractDao memberWalletContractDao;

    @Resource
    private RedisUtils redisUtils;

    @Resource
    private CacheSettingUtils cacheSettingUtils;

    @Resource
    private ContractOrderDao contractOrderDao;

    @Resource
    private CommonService commonService;

    @Resource
    private OrderProducer producer;

    @Resource
    private ContractHoldOrderService contractHoldOrderService;

    @Transactional(rollbackFor = Exception.class)
    @Override
    public Result addContractEntrustOrder(SubmitEntrustDto submitEntrustDto) {
        MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();

        // 获取最新价
        BigDecimal newPrice = new BigDecimal(redisUtils.getString(CoinTypeConvert.convertToKey(submitEntrustDto.getSymbol())));

        // 委托开仓
        if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
            // 开多委托价不能大于当前价
            if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE) {
                if (submitEntrustDto.getEntrustPrice().compareTo(newPrice) > -1) {
                    SubmitOrderDto submitOrderDto = new SubmitOrderDto();
                    submitOrderDto.setOrderType(submitEntrustDto.getEntrustType());
                    submitOrderDto.setSymbol(submitEntrustDto.getSymbol());
                    submitOrderDto.setSymbolCnt(submitEntrustDto.getSymbolCnt());
                    submitOrderDto.setLeverRatio(submitEntrustDto.getLeverRatio());
                    return contractHoldOrderService.submitOrder(submitOrderDto);
                }
            }

            // 开空委托价不能小于当前价
            if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_LESS) {
                if (submitEntrustDto.getEntrustPrice().compareTo(newPrice) < 1) {
                    SubmitOrderDto submitOrderDto = new SubmitOrderDto();
                    submitOrderDto.setOrderType(submitEntrustDto.getEntrustType());
                    submitOrderDto.setSymbol(submitEntrustDto.getSymbol());
                    submitOrderDto.setSymbolCnt(submitEntrustDto.getSymbolCnt());
                    submitOrderDto.setLeverRatio(submitEntrustDto.getLeverRatio());
                    return contractHoldOrderService.submitOrder(submitOrderDto);
                }
            }

            MemberWalletContractEntity walletContract = memberWalletContractDao.selectById(memberEntity.getId());

            BigDecimal lotNumber = cacheSettingUtils.getSymbolSku(submitEntrustDto.getSymbol());
            PlatformTradeSettingEntity tradeSettingEntity = cacheSettingUtils.getTradeSetting();

            // 保证金计算 -- 建仓价X规格X手数X（1/杠杆倍率）
            BigDecimal bondAmount = submitEntrustDto.getEntrustPrice().multiply(lotNumber).multiply(new BigDecimal(submitEntrustDto.getSymbolCnt())).multiply((BigDecimal.ONE.divide(BigDecimal.valueOf(submitEntrustDto.getLeverRatio()), 8, BigDecimal.ROUND_DOWN)));

            // 开仓手续费 建仓价*规格*手数*手续费率
            BigDecimal openFeePrice = submitEntrustDto.getEntrustPrice().multiply(lotNumber)
                    .multiply(new BigDecimal(submitEntrustDto.getSymbolCnt()))
                    .multiply(tradeSettingEntity.getFeeRatio().divide(new BigDecimal(100)))
                    .setScale(8, BigDecimal.ROUND_DOWN);
            log.info("手续费:{}", openFeePrice);

            // 预付款
            BigDecimal entrustTotalAmount = bondAmount.add(openFeePrice).add(openFeePrice);
            log.info("预付款:{}", entrustTotalAmount);

            if (entrustTotalAmount.compareTo(walletContract.getAvailableBalance()) > -1) {
                return Result.fail(MessageSourceUtils.getString("member_service_0085"));
            }

            ContractEntrustOrderEntityMapper convert = ContractEntrustOrderEntityMapper.INSTANCE;
            ContractEntrustOrderEntity entrustOrderEntity = convert.submitEntrustDtoToEntity(submitEntrustDto);
            entrustOrderEntity.setOrderNo(commonService.generateOrderNo(memberEntity.getId()));
            entrustOrderEntity.setMemberId(memberEntity.getId());
            entrustOrderEntity.setBondAmount(bondAmount.add(openFeePrice));
            entrustOrderEntity.setSymbolSku(lotNumber);
            entrustOrderEntity.setEntrustAmount(entrustTotalAmount);
            // 暂默认逐仓
            entrustOrderEntity.setPositionType(ContractEntrustOrderEntity.POSITION_TYPE_ADD);

            int i = contractEntrustOrderDao.insert(entrustOrderEntity);

            memberWalletContractDao.increaseWalletContractBalanceById(entrustTotalAmount.negate(), null, entrustOrderEntity.getBondAmount(), walletContract.getId());
            if (i > 0) {

                // 发送委托单队列消息
                if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_OPEN_MORE) {
                    OrderModel model = new OrderModel(entrustOrderEntity.getId(), RabbitPriceTypeEnum.ENTRUST_OPEN_MORE.getValue(), submitEntrustDto.getEntrustPrice().setScale(8, RoundingMode.HALF_UP).toPlainString(), submitEntrustDto.getSymbol());
                    producer.sendPriceOperate(JSONObject.toJSONString(model));

                    LogRecordUtils.insertMemberAccountFlow(memberEntity.getId(), entrustTotalAmount, walletContract.getAvailableBalance().subtract(entrustTotalAmount), submitEntrustDto.getSymbol(), "委托买涨", "买涨:" + submitEntrustDto.getSymbol());
                } else {
                    OrderModel model = new OrderModel(entrustOrderEntity.getId(), RabbitPriceTypeEnum.ENTRUST_OPEN_LESS.getValue(), submitEntrustDto.getEntrustPrice().setScale(8, RoundingMode.HALF_UP).toPlainString(), submitEntrustDto.getSymbol());
                    producer.sendPriceOperate(JSONObject.toJSONString(model));

                    LogRecordUtils.insertMemberAccountFlow(memberEntity.getId(), entrustTotalAmount, walletContract.getAvailableBalance().subtract(entrustTotalAmount), submitEntrustDto.getSymbol(), "委托买跌", "买跌:" + submitEntrustDto.getSymbol());
                }

                return Result.ok(MessageSourceUtils.getString("result_success_msg"));
            } else {
                return Result.fail(MessageSourceUtils.getString("result_fail_msg"));
            }
        }

        // 委托平仓 (全仓模式)
        if (submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_MORE || submitEntrustDto.getEntrustType() == ContractEntrustOrderEntity.ENTRUST_TYPE_CLOSE_LESS) {
            return Result.fail("功能暂未开放,敬请期待");
        }

        return Result.fail(MessageSourceUtils.getString("result_fail_msg"));
    }

    @Override
    public Result findEntrustOrderList(String symbol) {
        MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();
        List<ContractEntrustOrderEntity> list = contractEntrustOrderDao.selectEntrustOrderListByMemberIdAndSymbol(memberEntity.getId(), symbol);
        List<ContractEntrustVo> resultList = ContractEntrustOrderEntityMapper.INSTANCE.entityListToVoList(list);
        return Result.ok(resultList);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result cancelEntrustOrder(Long id) {
        MemberEntity memberEntity = LoginUserUtils.getAppLoginUser();

        // 查询该委托单是否为该用户所有
        ContractEntrustOrderEntity entrustOrderEntity = contractEntrustOrderDao.selectEntrustOrderByIdAndMemberId(id, memberEntity.getId());
        if (entrustOrderEntity == null) {
            return Result.fail(MessageSourceUtils.getString("entrust_order_not_exist"));
        }

        MemberWalletContractEntity walletContractEntity = memberWalletContractDao.findWalletContractByMemberIdAndSymbol(memberEntity.getId(), MemberWalletCoinEnum.WALLETCOINCODE.getValue());

        BigDecimal total = entrustOrderEntity.getEntrustAmount();
        memberWalletContractDao.increaseWalletContractBalanceById(total, null, entrustOrderEntity.getBondAmount().negate(), walletContractEntity.getId());

        ContractOrderEntity orderEntity = ContractEntrustOrderEntityMapper.INSTANCE.entrustOrderToOrder(entrustOrderEntity);
        orderEntity.setTradeType(ContractOrderEntity.TRADE_TYPE_MARK_PRICE);
        orderEntity.setOrderStatus(ContractOrderEntity.ORDER_STATUS_CANCEL);
        int i = contractOrderDao.insert(orderEntity);

        contractEntrustOrderDao.deleteById(entrustOrderEntity.getId());

        // 插入财务流水
        LogRecordUtils.insertMemberAccountFlow(memberEntity.getId(), total, walletContractEntity.getAvailableBalance().add(total), entrustOrderEntity.getSymbol(), "撤销委托单", "撤销委托单");
        if (i > 0) {
            return Result.ok(MessageSourceUtils.getString("cancellation_success"));
        }
        return Result.fail(MessageSourceUtils.getString("cancellation_fail"));
    }

    @Override
    public List<ContractEntrustOrderEntity> selectEntrustOrderListByIds(List<Long> list) {
        return contractEntrustOrderDao.selectEntrustOrderListByIds(list);
    }
}