package com.ruoyi.system.task.utils;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.uuid.UUID;
import com.ruoyi.system.mapper.TBillMapper;
import com.ruoyi.system.model.TBill;
import com.ruoyi.system.model.TContract;
import com.ruoyi.system.service.TContractService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.temporal.ChronoUnit;
import java.util.List;

/**
 * @author zhibing.pu
 * @date 2023/7/11 8:39
 */
@Component
public class TaskUtil {
    @Autowired
    private TContractService contractService;
    @Autowired
    private TBillMapper billMapper;
    @Autowired
    RedisCache redisCache;
    // 用于更新违约金账单
    // 每分钟执行一次的定时任务

    @Scheduled(cron = "0 0 0 * * ?")
    public void dayOfProportionBill() {
        try {
            // 查询所有未缴费账单
            List<TBill> list = billMapper.selectList(new LambdaQueryWrapper<TBill>().ne(TBill::getPayFeesStatus, 5)
                    .ne(TBill::getOutstandingMoney,0));
            List<TContract> contractList = contractService.list();

            for (TBill tBill : list) {
                tBill.setPayFeesStatus("4");
                TContract contract = contractList.stream().filter(e -> e.getId().equals(tBill.getContractId())).findFirst().orElse(null);
                if (contract==null)continue;
                if (contract.getProportion().compareTo(BigDecimal.ZERO)==0)continue;
                LocalDate payableFeesTime = tBill.getPayableFeesTime();
                // 将LocalDate转化为LocalDateTime
                LocalDateTime payableFeesTime1 = LocalDateTime.of(payableFeesTime, LocalTime.of(0, 0, 0));
                LocalDateTime now = LocalDateTime.now();
                // 计算两个时间相差多少个小时
                long hours = ChronoUnit.HOURS.between(payableFeesTime1, now);
                long l = hours / 24;
                if (l>=3){
                    // 违约金比例
                    BigDecimal proportion = contract.getProportion();
                    // 按每天 待缴费金额 * XX% 增加违约金费用
                    if (contract.getTotalYear().compareTo(new BigDecimal("0"))==0){
                        tBill.setPayFeesStatus("3");
                        billMapper.updateById(tBill);
                        continue;
                    }
                    String requestId = UUID.fastUUID().toString();
                    String lockkey = CacheConstants.BILL_UPDATE_LOCK_KEY + tBill.getId();
                    boolean isok = redisCache.trylockLoop(lockkey, requestId, 60);
                    if (isok){
                        try {
                            BigDecimal money = contract.getTotalYear().multiply(proportion.divide(new BigDecimal(100),4, BigDecimal.ROUND_DOWN));
                            tBill.setOverDays((int) l);
                            tBill.setPayableFeesPenalty(tBill.getPayableFeesPenalty()!=null?tBill.getPayableFeesPenalty().add(money):new BigDecimal("0").add(money));
                            tBill.setOutstandingMoney(money.add(tBill.getOutstandingMoney()));
                            billMapper.updateById(tBill);
                        }finally {
                            redisCache.unlock(lockkey,requestId);
                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {

//        LocalDateTime now = LocalDateTime.now().minusMonths(1).withDayOfMonth(31);
//        System.err.println(now);
//        LocalDateTime now2 = now.plusMonths(1);
//        System.err.println(now2);
//
//        LocalDateTime now1 = LocalDateTime.now();
//        long days = ChronoUnit.DAYS.between(now, now1);
//        long days2 = ChronoUnit.DAYS.between(now.plusDays(1), now1);
//
//        System.err.println(days);
//        System.err.println(days2);
//        LocalDateTime endTime = now.with(TemporalAdjusters.lastDayOfMonth()).withSecond(59).withHour(23).withMinute(59);
//
//        System.err.println(endTime);

    }

}