package com.gunshi.project.hsz.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.IdWorker;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gunshi.project.hsz.entity.so.GateHisPageSo;
import com.gunshi.project.hsz.entity.vo.AttResBaseVo;
import com.gunshi.project.hsz.entity.vo.GateStautsVo;
import com.gunshi.project.hsz.entity.vo.GateValveOplogVo;
import com.gunshi.project.hsz.mapper.GateValveRealMapper;
import com.gunshi.project.hsz.mapper.StWaterRRealMapper;
import com.gunshi.project.hsz.mapper.TyYearRainfallMapper;
import com.gunshi.project.hsz.model.*;
import com.gunshi.project.hsz.util.DataHandleUtil;
import com.gunshi.project.hsz.util.DateUtil;
import com.gunshi.project.hsz.util.ExcelUtil;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.LocalDate;
import java.util.*;

/**
 * 描述: 闸阀开关表
 * author: xusan
 * date: 2024-07-08 17:30:37
 */
@Service
@Slf4j
@Transactional(rollbackFor = Exception.class)
public class GateValveRealService extends ServiceImpl<GateValveRealMapper, GateValveReal>
{
    @Resource
    private com.gunshi.project.hsz.model.GateValveKeyAutoDao gateValveKeyAutoDao;

    @Resource
    private com.gunshi.project.hsz.model.GateValveOplogAutoDao gateValveOplogAutoDao;

    @Resource
    private ReservoirWaterService reservoirWaterService;

    @Resource
    private StWaterRRealMapper stWaterRRealMapper;

    @Resource
    private TyYearRainfallMapper tyYearRainfallMapper;

    public List<GateStautsVo> gateStatusList() {
        List<GateStautsVo> list = baseMapper.gateStatusList();
        for(GateStautsVo vo : list){
            if(vo.getTm() != null && DateUtil.hoursBetweenDate(vo.getTm(), new Date()) > 2){
                vo.setFlag(1);
            }
        }
        return list;
    }

    public BigDecimal realQ(String valveCode) {
        return baseMapper.realQ(valveCode);
    }

    public String control(GateValveKey gateValveKey) {
        //先判断密码是否正确
        String valveCode = gateValveKey.getValveCode();
        String key = gateValveKey.getKey();
        GateValveKey valveKey = gateValveKeyAutoDao.getById(valveCode);
        if(valveKey == null || !key.equals(valveKey.getKey())){
            throw new IllegalArgumentException("密码不正确");
        }
        //生成闸阀操作日志
        GateValveOplog oplog = new GateValveOplog();
        oplog.setId(IdWorker.getId());
        oplog.setStatus(gateValveKey.getStatus());
        oplog.setOpContent("设置闸阀开度为"+gateValveKey.getStatus());
        oplog.setValveCode(valveCode);
        oplog.setTm(new Date());
        oplog.setOpUserId(1L);
        oplog.setOpUserName("胡兵");

        GateValveReal valveReal = this.getOne(new QueryWrapper<GateValveReal>().eq("valve_code", valveCode));
        oplog.setBeforeStatus(valveReal == null ? "-" : valveReal.getStatus());
        gateValveOplogAutoDao.save(oplog);
        //todo 给闸阀下发调节指令
//        GateValveR gateValveR = new GateValveR();
//        BeanUtils.copyProperties(gateValveKey,gateValveR);
//        gateValveR.setTm(new Date());
//        gateValveRMapper.insert(gateValveR);
//
//        GateValveReal real = new GateValveReal();
//        BeanUtils.copyProperties(gateValveKey,real);
//        real.setTm(new Date());
//        this.remove(new QueryWrapper<GateValveReal>().eq("valve_code",valveCode));
//        this.save(real);
        return "调节闸阀成功";
    }

    public Page<GateValveOplogVo> logPage(GateHisPageSo so) {
        return baseMapper.logPage(so.getPageSo().toPage(),so);
    }

    public GateValveOplog loginfo(String code) {
        if(StringUtils.isBlank(code)){
            return null;
        }
        LambdaQueryWrapper<GateValveOplogVo> qw = new LambdaQueryWrapper();
        qw.eq(GateValveOplogVo::getValveCode,code);
        qw.orderByDesc(GateValveOplogVo::getTm).last("LIMIT 1");
        List<GateValveOplog> list = gateValveOplogAutoDao.list();
        return list.isEmpty() ? null : list.get(0);
    }

    public void logExport(GateHisPageSo so, HttpServletResponse response) {
        List<GateValveOplogVo> logList = baseMapper.logList(so);
        ExcelUtil.exportExcel(logList,"闸阀操作日志",GateValveOplogVo.class,response,"闸阀操作日志");
    }

    public Map<BigDecimal, String> supplyTime(Integer year, Integer month) {
        Map<BigDecimal, String> map = new HashMap<>();
        /**
         * 可供水量= 实时库容 - 死库容
         * 小时水量=  (输水管流量 + 放水管流量)*3600
         * 可供水小时数 = 可供水量 * 10000/ 小时水量
         * 可供水天数 = 可供水小时数换算为天数
         */
        List<AttResBaseVo> list = reservoirWaterService.list();
        if(CollectionUtils.isEmpty(list)){
            return map;
        }
        AttResBaseVo attResBaseVo = list.get(0);
        BigDecimal nowCap = attResBaseVo.getNowCap() == null ? new BigDecimal(0) : attResBaseVo.getNowCap();
        BigDecimal deadCap = attResBaseVo.getDeadCap() == null ? new BigDecimal(0) : attResBaseVo.getDeadCap();

        BigDecimal supplyV = nowCap.subtract(deadCap);
        if(year != null){
            //计算预测来水量
            BigDecimal predictV = calcPredictV(year,month,attResBaseVo.getWatShedArea());
            supplyV = supplyV.add(predictV);
        }
        List<StWaterRReal> water = stWaterRRealMapper.listRelated();
        //小时水量
        BigDecimal hourQ = water.stream().map(StWaterRReal::getQ).reduce(BigDecimal.ZERO, BigDecimal::add).multiply(new BigDecimal(3600));
        BigDecimal day = supplyV.multiply(new BigDecimal(10000)).divide(hourQ.multiply(new BigDecimal(24)),1, RoundingMode.HALF_UP);
        long l = DataHandleUtil.BigDecimalIntegerPart(day);
        String date = DateUtil.getPlusDate(new Date(), l);
        map.put(day,date);
        return map;
    }

    private BigDecimal calcPredictV(Integer year, Integer month,BigDecimal watShedArea) {
        LocalDate now = LocalDate.now();
        Integer nowMonth = now.getMonthValue();

        LambdaQueryWrapper<TyYearRainfall> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.eq(TyYearRainfall::getYear,year)
                .eq(TyYearRainfall::getType,2)
                .ge(TyYearRainfall::getMonth,nowMonth)
                .le(TyYearRainfall::getMonth,month);
        List<TyYearRainfall> list = tyYearRainfallMapper.selectList(queryWrapper);

        //和当前月份相同的降雨量
        Optional<TyYearRainfall> first = list.stream().filter(o -> nowMonth == o.getMonth()).findFirst();
        BigDecimal drp = first.isPresent()  ? first.get().getDrp() : new BigDecimal(0);
        int dayOfMonth = now.getDayOfMonth();
        int total = now.lengthOfMonth();
        BigDecimal nowMonthDrp = new BigDecimal((total - dayOfMonth + 1)).multiply(drp).divide(new BigDecimal(total), 2, RoundingMode.HALF_UP);

        //当前月到预测月份的降雨量
        BigDecimal value = list.stream().filter(o -> nowMonth != o.getMonth()).map(TyYearRainfall::getDrp).reduce(BigDecimal.ZERO, BigDecimal::add);

        //预测来水量 = 月降雨量和 * 水库坝址控制流域面积
        BigDecimal sum = nowMonthDrp.add(value).divide(new BigDecimal(1000),2,RoundingMode.HALF_UP);
        return sum.multiply(watShedArea);
    }

    public BigDecimal predictWater(Integer year, Integer month) {
        List<AttResBaseVo> list = reservoirWaterService.list();
        if(CollectionUtils.isEmpty(list)){
            return new BigDecimal(0);
        }
        return calcPredictV(year,month,list.get(0).getWatShedArea());
    }
}