package cc.mrbird.febs.mall.service.impl;

import cc.mrbird.febs.common.enumerates.FlowTypeEnum;
import cc.mrbird.febs.common.enumerates.MoneyFlowTypeEnum;
import cc.mrbird.febs.mall.entity.MallGoods;
import cc.mrbird.febs.mall.entity.MallMember;
import cc.mrbird.febs.mall.mapper.MallGoodsMapper;
import cc.mrbird.febs.mall.mapper.MallMemberMapper;
import cc.mrbird.febs.mall.mapper.MallOrderInfoMapper;
import cc.mrbird.febs.mall.mapper.MallOrderItemMapper;
import cc.mrbird.febs.mall.service.IApiMallMemberWalletService;
import cc.mrbird.febs.mall.service.IMallMoneyFlowService;
import cc.mrbird.febs.mall.service.IMemberProfitService;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateField;
import cn.hutool.core.date.DateUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * @author wzy
 * @date 2022-05-10
 **/
@Slf4j
@Service
@RequiredArgsConstructor
public class MemberProfitServiceImpl implements IMemberProfitService {

    private final MallMemberMapper mallMemberMapper;
    private final MallOrderInfoMapper mallOrderInfoMapper;
    private final MallOrderItemMapper mallOrderItemMapper;
    private final MallGoodsMapper mallGoodsMapper;
    private final IApiMallMemberWalletService walletService;
    private final IMallMoneyFlowService moneyFlowService;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void staticProfit() {
        log.info("#####静态分红开始运行:{}#####", new Date());
        List<MallMember> members = mallMemberMapper.selectList(null);
        if (CollUtil.isEmpty(members)) {
            return;
        }

        Date profitDate = DateUtil.offset(new Date(), DateField.DAY_OF_YEAR, -1);
        BigDecimal totalIncome = mallOrderInfoMapper.selectTotalAmountForDate(profitDate, null);
        if (totalIncome.compareTo(BigDecimal.ZERO) == 0) {
            return;
        }
        BigDecimal perProfit = totalIncome.divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP);

        for (MallMember member : members) {
            List<MallGoods> goodsList = mallGoodsMapper.selectOrderGoodsList(member.getId(), profitDate);

            if (CollUtil.isEmpty(goodsList)) {
                continue;
            }

            for (MallGoods goods : goodsList) {
                BigDecimal goodsProfit = goods.getStaticProp().multiply(perProfit);

                walletService.add(goodsProfit, member.getId(), "score", "total_score");
                moneyFlowService.addMoneyFlow(member.getId(), goodsProfit, MoneyFlowTypeEnum.STATIC_BONUS.getValue(), goods.getOrderNo(), FlowTypeEnum.SCORE.getValue());
            }
        }
    }

    public static void main(String[] args) {
        System.out.println(DateUtil.offset(new Date(), DateField.DAY_OF_YEAR, -1));
    }
}