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

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.SecureUtil;
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.LoginUserUtils;
import com.xcong.excoin.common.exception.GlobalException;
import com.xcong.excoin.common.response.Result;
import com.xcong.excoin.common.system.service.CommonService;
import com.xcong.excoin.modules.member.dao.MemberDao;
import com.xcong.excoin.modules.member.dao.MemberPaymentMethodDao;
import com.xcong.excoin.modules.member.dao.MemberWalletCoinDao;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import com.xcong.excoin.modules.member.entity.MemberPaymentMethodEntity;
import com.xcong.excoin.modules.member.entity.MemberWalletCoinEntity;
import com.xcong.excoin.modules.otc.dao.OtcEntrustOrderDao;
import com.xcong.excoin.modules.otc.dao.OtcMarketBussinessDao;
import com.xcong.excoin.modules.otc.dto.HasPayDto;
import com.xcong.excoin.modules.otc.dto.OrderListDto;
import com.xcong.excoin.modules.otc.dto.OtcOrderAddDto;
import com.xcong.excoin.modules.otc.entity.OtcEntrustOrder;
import com.xcong.excoin.modules.otc.entity.OtcMarketBussiness;
import com.xcong.excoin.modules.otc.entity.OtcOrder;
import com.xcong.excoin.modules.otc.dao.OtcOrderDao;
import com.xcong.excoin.modules.otc.service.OtcOrderService;
import com.xcong.excoin.modules.otc.vo.BuyOrderDetailVo;
import com.xcong.excoin.modules.otc.vo.OrderListVo;
import com.xcong.excoin.modules.otc.vo.SaleOrderDetailVo;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;

@Slf4j
@Service
@RequiredArgsConstructor
public class OtcOrderServiceImpl extends ServiceImpl<OtcOrderDao, OtcOrder> implements OtcOrderService {

    private final OtcMarketBussinessDao otcMarketBussinessDao;
    private final OtcEntrustOrderDao otcEntrustOrderDao;
    private final CommonService commonService;
    private final MemberWalletCoinDao memberWalletCoinDao;
    private final MemberDao memberDao;
    private final MemberPaymentMethodDao memberPaymentMethodDao;


    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result buyOrder(OtcOrderAddDto orderAddDto) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        OtcEntrustOrder entrustOrder = otcEntrustOrderDao.selectById(orderAddDto.getId());
        if (entrustOrder == null) {
            throw new GlobalException("委托单不存在");
        }

        if (member.getId().equals(entrustOrder.getMemberId())) {
            throw new GlobalException("不能购买自己的委托单");
        }

        if (!OtcEntrustOrder.ORDER_TYPE_S.equals(entrustOrder.getOrderType())) {
            throw new GlobalException("无法购买");
        }

        if (orderAddDto.getCnyAmount().compareTo(entrustOrder.getLimitMinAmount()) < 0) {
            throw new GlobalException("低于最低限额");
        }

        if (orderAddDto.getCnyAmount().compareTo(entrustOrder.getLimitMaxAmount()) > 0) {
            throw new GlobalException("高于最高限额");
        }

        if (orderAddDto.getUsdtAmount().compareTo(entrustOrder.getRemainCoinAmount()) > 0) {
            throw new GlobalException("剩余数量不足");
        }

        BigDecimal cny = orderAddDto.getUsdtAmount().multiply(entrustOrder.getUnitPrice());
        if (cny.compareTo(orderAddDto.getCnyAmount()) != 0) {
            throw new GlobalException("数量与金额不符");
        }

        OtcOrder otcOrder = new OtcOrder();
        otcOrder.setOrderNo(commonService.generateOrderNo(member.getId()));
        otcOrder.setUnitPrice(entrustOrder.getUnitPrice());
        otcOrder.setEntrustOrderId(entrustOrder.getId());
        otcOrder.setCoinAmount(orderAddDto.getUsdtAmount());
        otcOrder.setTotalAmount(orderAddDto.getCnyAmount());
        otcOrder.setMemberId(member.getId());
        otcOrder.setOppositeMemberId(entrustOrder.getMemberId());
        otcOrder.setStatus(OtcOrder.STATUS_SUBMIT);
        otcOrder.setPayTime(new Date());
        otcOrder.setEntrustMemberId(entrustOrder.getMemberId());
        otcOrder.setOrderType(OtcEntrustOrder.ORDER_TYPE_B);

        MemberPaymentMethodEntity defualtMethod = memberPaymentMethodDao.selectDefualtMethod(entrustOrder.getMemberId(), null, "1");
        if (defualtMethod == null) {
            throw new GlobalException("对方未设置默认支付方式");
        }
        if (MemberPaymentMethodEntity.PAYMENTTYPE_CARD.toString().equals(defualtMethod.getPaymentType())) {
            otcOrder.setBankName(defualtMethod.getBank());
        } else {
            otcOrder.setBankName(defualtMethod.getPaymentQrcode());
        }

        otcOrder.setBankNo(defualtMethod.getAccount());
        otcOrder.setCardName(defualtMethod.getName());
        otcOrder.setPayType(defualtMethod.getPaymentType());

        OtcOrder sale = new OtcOrder();
        BeanUtil.copyProperties(otcOrder, sale);
        sale.setMemberId(entrustOrder.getMemberId());
        sale.setOppositeMemberId(member.getId());
        sale.setOrderType(OtcEntrustOrder.ORDER_TYPE_S);
        otcEntrustOrderDao.updateRemainAmount(entrustOrder.getId(), orderAddDto.getUsdtAmount().negate());
        this.baseMapper.insert(otcOrder);
        this.baseMapper.insert(sale);

        return Result.ok("购买成功", otcOrder.getId());
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public Result saleOrder(OtcOrderAddDto orderAddDto) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        OtcEntrustOrder entrustOrder = otcEntrustOrderDao.selectById(orderAddDto.getId());
        if (entrustOrder == null) {
            throw new GlobalException("委托单不存在");
        }

        if (member.getId().equals(entrustOrder.getMemberId())) {
            throw new GlobalException("不能购买自己的委托单");
        }

        if (!OtcEntrustOrder.ORDER_TYPE_B.equals(entrustOrder.getOrderType())) {
            throw new GlobalException("无法出售");
        }

        if (orderAddDto.getCnyAmount().compareTo(entrustOrder.getLimitMinAmount()) < 0) {
            throw new GlobalException("低于最低限额");
        }

        if (orderAddDto.getCnyAmount().compareTo(entrustOrder.getLimitMaxAmount()) > 0) {
            throw new GlobalException("高于最高限额");
        }

        if (orderAddDto.getUsdtAmount().compareTo(entrustOrder.getRemainCoinAmount()) > 0) {
            throw new GlobalException("剩余数量不足");
        }

        if (StrUtil.isBlank(orderAddDto.getPassword())) {
            throw new GlobalException("资金密码不能为空");
        }

        MemberEntity memberEntity = memberDao.selectById(member.getId());
        if (!SecureUtil.md5(orderAddDto.getPassword()).equals(memberEntity.getTradePassword())) {
            throw new GlobalException("资金密码错误");
        }

        BigDecimal cny = orderAddDto.getUsdtAmount().multiply(entrustOrder.getUnitPrice());
        if (cny.compareTo(orderAddDto.getCnyAmount()) != 0) {
            throw new GlobalException("数量与金额不符");
        }

        MemberWalletCoinEntity wallet = memberWalletCoinDao.selectWalletCoinBymIdAndCode(member.getId(), "USDT");
        if (wallet.getAvailableBalance().compareTo(orderAddDto.getUsdtAmount()) < 0) {
            throw new GlobalException("钱包余额不足");
        }

        OtcOrder otcOrder = new OtcOrder();
        otcOrder.setOrderNo(commonService.generateOrderNo(member.getId()));
        otcOrder.setUnitPrice(entrustOrder.getUnitPrice());
        otcOrder.setEntrustOrderId(entrustOrder.getId());
        otcOrder.setCoinAmount(orderAddDto.getUsdtAmount());
        otcOrder.setTotalAmount(orderAddDto.getCnyAmount());
        otcOrder.setMemberId(member.getId());
        otcOrder.setStatus(OtcOrder.STATUS_SUBMIT);
        otcOrder.setPayTime(new Date());
        otcOrder.setEntrustMemberId(entrustOrder.getMemberId());
        otcOrder.setOppositeMemberId(entrustOrder.getMemberId());
        otcOrder.setOrderType(OtcEntrustOrder.ORDER_TYPE_S);

        OtcOrder buy = new OtcOrder();
        BeanUtil.copyProperties(otcOrder, buy);
        buy.setMemberId(entrustOrder.getMemberId());
        buy.setOppositeMemberId(member.getId());
        buy.setOrderType(OtcEntrustOrder.ORDER_TYPE_B);

        MemberPaymentMethodEntity defualtMethod = memberPaymentMethodDao.selectDefualtMethod(member.getId(), null, "1");
        if (defualtMethod == null) {
            throw new GlobalException("未设置默认支付方式");
        }

        if (MemberPaymentMethodEntity.PAYMENTTYPE_CARD.toString().equals(defualtMethod.getPaymentType())) {
            buy.setBankName(defualtMethod.getBank());
        } else {
            buy.setBankName(defualtMethod.getPaymentQrcode());
        }
        buy.setBankNo(defualtMethod.getAccount());
        buy.setCardName(defualtMethod.getName());
        buy.setPayType(defualtMethod.getPaymentType());

        otcEntrustOrderDao.updateRemainAmount(entrustOrder.getId(), orderAddDto.getUsdtAmount().negate());
        this.baseMapper.insert(otcOrder);
        this.baseMapper.insert(buy);

        memberWalletCoinDao.updateFrozenBalance(member.getId(), wallet.getId(), orderAddDto.getUsdtAmount());
        return Result.ok("出售成功", otcOrder.getId());
    }

    @Override
    public IPage<OrderListVo> findOrderListInPage(OrderListDto orderListDto) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        Page<OrderListVo> page = new Page<>(orderListDto.getPageNum(), orderListDto.getPageSize());

        OtcOrder order = new OtcOrder();
        order.setStatus(orderListDto.getStatus());
        order.setMemberId(member.getId());
        return this.baseMapper.selectOrdderListInPage(order, page);
    }

    @Override
    public void hasPay(HasPayDto hasPayDto) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        OtcOrder otcOrder = this.baseMapper.selectById(hasPayDto.getId());

        if (otcOrder == null) {
            throw new GlobalException("订单不存在");
        }

        if (!OtcOrder.STATUS_SUBMIT.equals(otcOrder.getStatus())) {
            throw new GlobalException("状态不正确");
        }

        if (!OtcEntrustOrder.ORDER_TYPE_B.equals(otcOrder.getOrderType())) {
            throw new GlobalException("不是购买单");
        }

        log.info("======={}", hasPayDto.getName());
        if (StrUtil.isBlank(hasPayDto.getName())) {
            MemberPaymentMethodEntity defualtMethod = memberPaymentMethodDao.selectDefualtMethod(member.getId(), 3, "1");
            hasPayDto.setName(defualtMethod.getName());
        }

        this.baseMapper.updateOrderStatusByOrderNo(OtcOrder.STATUS_PAY, hasPayDto.getName(), otcOrder.getOrderNo());
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void finishOrder(Long id) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        OtcOrder otcOrder = this.baseMapper.selectById(id);

        if (otcOrder == null) {
            throw new GlobalException("订单不存在");
        }

        if (!OtcOrder.STATUS_PAY.equals(otcOrder.getStatus())) {
            throw new GlobalException("状态不正确");
        }

        if (!OtcEntrustOrder.ORDER_TYPE_S.equals(otcOrder.getOrderType())) {
            throw new GlobalException("不是出售单");
        }

        OtcOrder buyOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_B);
        OtcOrder saleOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_S);
        MemberWalletCoinEntity buyWallet = memberWalletCoinDao.selectWalletCoinBymIdAndCode(buyOrder.getMemberId(), "USDT");
        MemberWalletCoinEntity saleWallet = memberWalletCoinDao.selectWalletCoinBymIdAndCode(saleOrder.getMemberId(), "USDT");

        // 购买者钱包可用新增币
        memberWalletCoinDao.updateBlockBalance(buyWallet.getId(), buyOrder.getCoinAmount(), BigDecimal.ZERO, 0);

        // 出售者钱包冻结减少币
        memberWalletCoinDao.reduceFrozenBalance(saleWallet.getId(), buyOrder.getCoinAmount());

        this.baseMapper.updateOrderStatusByOrderNo(OtcOrder.STATUS_FINISH, null, otcOrder.getOrderNo());
    }

    @Override
    public Result findBuyOrderDetail(Long id) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        member = memberDao.selectById(member.getId());
        OtcOrder otcOrder = this.baseMapper.selectById(id);
        if (otcOrder == null) {
            return Result.fail("订单不存在");
        }

        OtcOrder buyOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_B);
        if (buyOrder == null) {
            return Result.fail("参数错误");
        }

        BuyOrderDetailVo buyDetail = new BuyOrderDetailVo();
        buyDetail.setOrderNo(buyOrder.getOrderNo());
        buyDetail.setUsdtAmount(buyOrder.getCoinAmount());
        buyDetail.setStatus(buyOrder.getStatus());
        buyDetail.setTotalAmount(buyOrder.getTotalAmount());
        buyDetail.setUnitPrice(buyOrder.getUnitPrice());
        buyDetail.setCreateTime(buyOrder.getCreateTime());
        buyDetail.setIsMb(member.getIsTrader());
        buyDetail.setPayName(buyOrder.getPayName());

        OtcOrder saleOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_S);
        MemberEntity saleMember = memberDao.selectById(saleOrder.getMemberId());

        buyDetail.setSaleName(saleMember.getName());

        buyDetail.setBankName(buyOrder.getBankName());
        buyDetail.setBankNo(buyOrder.getBankNo());
        buyDetail.setCardName(buyOrder.getCardName());
        buyDetail.setPayType(buyOrder.getPayType());
        buyDetail.setPayTime(buyOrder.getPayTime());

        if (!buyOrder.getMemberId().equals(buyOrder.getEntrustMemberId())) {
            OtcMarketBussiness otcMb = otcMarketBussinessDao.selectMarketBussinessByMemberId(buyOrder.getEntrustMemberId());
            buyDetail.setMbId(otcMb.getId());
            buyDetail.setFinishRatio(otcMb.getFinishRatio());
            buyDetail.setOrderCnt(otcMb.getBuyCnt());
        }

        if (OtcOrder.STATUS_SUBMIT.equals(buyOrder.getStatus())) {
            long between = DateUtil.between(new Date(), DateUtil.offsetMinute(buyOrder.getCreateTime(), 30), DateUnit.SECOND, false);
            buyDetail.setTimes(between);
        }

        return Result.ok(buyDetail);
    }

    @Override
    public Result findSaleOrderDetail(Long id) {
        MemberEntity member = LoginUserUtils.getAppLoginUser();
        OtcOrder otcOrder = this.baseMapper.selectById(id);
        if (otcOrder == null) {
            return Result.fail("订单不存在");
        }

        OtcOrder saleOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_S);
        if (saleOrder == null) {
            return Result.fail("参数错误");
        }
        MemberEntity buyMember = memberDao.selectById(saleOrder.getOppositeMemberId());


        SaleOrderDetailVo saleDetail = new SaleOrderDetailVo();
        saleDetail.setOrderNo(saleOrder.getOrderNo());
        saleDetail.setUsdtAmount(saleOrder.getCoinAmount());
        saleDetail.setStatus(saleOrder.getStatus());
        saleDetail.setTotalAmount(saleOrder.getTotalAmount());
        saleDetail.setUnitPrice(saleOrder.getUnitPrice());
        saleDetail.setCreateTime(saleOrder.getCreateTime());
        saleDetail.setIsMb(member.getIsTrader());
        saleDetail.setPayName(saleOrder.getPayName());
        saleDetail.setSaleName(buyMember.getName());

        if (!saleOrder.getMemberId().equals(saleOrder.getEntrustMemberId())) {
            OtcMarketBussiness otcMb = otcMarketBussinessDao.selectMarketBussinessByMemberId(saleOrder.getEntrustMemberId());
            saleDetail.setMbId(otcMb.getId());
            saleDetail.setFinishRatio(otcMb.getFinishRatio());
            saleDetail.setOrderCnt(otcMb.getBuyCnt());
        }

        if (OtcOrder.STATUS_SUBMIT.equals(saleOrder.getStatus())) {
            long between = DateUtil.between(new Date(), DateUtil.offsetMinute(saleOrder.getCreateTime(), 30), DateUnit.SECOND, false);
            saleDetail.setTimes(between);
        }

        return Result.ok(saleDetail);
    }

    @Override
    public void cancelOrder(Long id) {
        OtcOrder otcOrder = this.baseMapper.selectById(id);
        if (otcOrder == null) {
            throw new GlobalException("订单不存在");
        }

        if (!OtcOrder.STATUS_SUBMIT.equals(otcOrder.getStatus())) {
            throw new GlobalException("不能取消");
        }

        OtcOrder saleOrder = this.baseMapper.selectOrderByOrderNoAndType(otcOrder.getOrderNo(), OtcEntrustOrder.ORDER_TYPE_S);
        if (!saleOrder.getMemberId().equals(saleOrder.getEntrustMemberId())) {
            MemberWalletCoinEntity wallet = memberWalletCoinDao.selectWalletCoinBymIdAndCode(saleOrder.getMemberId(), "USDT");
            memberWalletCoinDao.subFrozenBalance(saleOrder.getMemberId(), wallet.getId(), saleOrder.getCoinAmount());
        }

        otcEntrustOrderDao.updateRemainAmount(otcOrder.getEntrustOrderId(), otcOrder.getCoinAmount());
        this.baseMapper.updateOrderStatusByOrderNo(OtcOrder.STATUS_CANCEL, null, otcOrder.getOrderNo());
    }
}