package com.gunshi.project.hsz.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gunshi.project.hsz.entity.so.DataQueryCommonSo;
import com.gunshi.project.hsz.entity.so.PicQuerySo;
import com.gunshi.project.hsz.entity.so.ReservoirWaterCommonSo;
import com.gunshi.project.hsz.entity.vo.*;
import com.gunshi.project.hsz.mapper.AttResBaseMapper;
import com.gunshi.project.hsz.mapper.StZvarlBMapper;
import com.gunshi.project.hsz.model.*;
import com.gunshi.project.hsz.util.DateUtil;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.*;
import java.util.stream.Collectors;

/**
 * Description:
 * Created by wanyan on 2024/7/8
 *
 * @author wanyan
 * @version 1.0
 */
@Service
@Slf4j
public class ReservoirWaterService {

    @Resource
    private AttResBaseMapper attResBaseMapper;

    @Resource
    private StZvarlBMapper stZvarlBMapper;

    @Resource
    private RainBasinDivisionService rainBasinDivisionService;

    @Autowired
    private StZvarlBService stZvarlBService;

    public List<AttResBaseVo> list() {
        List<AttResBaseVo> attResBaseVos = attResBaseMapper.queryList();
        if(CollectionUtils.isEmpty(attResBaseVos)){
            return attResBaseVos;
        }
        attResBaseVos.stream().map(o->{
            if(o.getCalState() == 1){
                o.setDesState(0);
                o.setFlState(0);
            }else if(o.getCalState() == 0 && o.getDesState() ==1){
                o.setFlState(0);
            }
            return o;
        }).collect(Collectors.toList());

        for (AttResBaseVo vo : attResBaseVos) {
            BigDecimal rz = vo.getRz();
            List<StZvarlB> zvarlList = stZvarlBMapper.selectList(null);
            for (StZvarlB zvarl : zvarlList) {
                if (zvarl.getRz().equals(rz)) {
                    vo.setNowCap(zvarl.getW());
                    break;
                }
            }
        }
        //查询所有测站的库容曲线
//        List<StZvarlB> zvarlList = queryZval(attResBaseVos.stream().map(AttResBaseVo::getStcd).collect(Collectors.toList()));
//        Map<String, List<StZvarlB>> zvalMap = zvarlList.stream().collect(Collectors.groupingBy(StZvarlB::getStcd));
//        for(AttResBaseVo vo : attResBaseVos){
//            String stcd = vo.getStcd();
//            BigDecimal rz = vo.getRz();
//            //计算当前库容
//            List<StZvarlB> zvarlBS = zvalMap.get(stcd);
//            if(rz != null && CollectionUtils.isNotEmpty(zvarlBS)){
//                BigDecimal maxRz = zvarlBS.stream().max(Comparator.comparing(StZvarlB::getRz)).get().getRz();
//                BigDecimal minRz = zvarlBS.stream().min(Comparator.comparing(StZvarlB::getRz)).get().getRz();
//                if(rz.compareTo(minRz) < 0 || rz.compareTo(maxRz) > 0){
//                    //当期水位库容
//                    StZvarlB equals = zvarlBS.stream().filter(e -> e.getRz().compareTo(vo.getRz()) == 0).findFirst().orElse(new StZvarlB());
//                    //死水位库容
//                    StZvarlB dead = zvarlBS.stream().filter(e -> e.getRz().compareTo(vo.getDeadCap()) == 0).findFirst().orElse(new StZvarlB());
//                    if(Objects.nonNull(equals) && Objects.nonNull(dead)){
//                        BigDecimal subtract = equals.getW().subtract(dead.getW());
//                        vo.setNowCap(subtract);
//                    }
//                    continue;
//                }
//                Map<BigDecimal, BigDecimal> stZvalMap = zvarlBS.stream().collect(Collectors.toMap(StZvarlB::getRz, StZvarlB::getW));
//                List<BigDecimal> list = zvarlBS.stream().map(StZvarlB::getRz).sorted().collect(Collectors.toList());
//                vo.setNowCap(DataHandleUtil.calcData(rz,stZvalMap,list));
//            }
//        }
        return attResBaseVos;
    }


    public List<AttResBaseVo> listV2() {
        List<AttResBaseVo> voList = attResBaseMapper.queryListV2();
        if(CollectionUtils.isEmpty(voList)){
            return voList;
        }

        List<StZvarlB> zvarlList = stZvarlBService.list();
        voList.forEach(vo -> {
            if(vo.getCalState() == 1){
                vo.setDesState(0);
                vo.setFlState(0);
            }else if(vo.getCalState() == 0 && vo.getDesState() ==1){
                vo.setFlState(0);
            }

            BigDecimal rz = vo.getRz();
            BigDecimal w = stZvarlBService.getWFromZvarl(rz, null, zvarlList);
            vo.setNowCap(w);
        });

        return voList;
    }

    private List<StZvarlB> queryZval(List<String> stcdList) {
        LambdaQueryWrapper<StZvarlB> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.in(StZvarlB::getStcd, stcdList);
        return stZvarlBMapper.selectList(queryWrapper);
    }

    public List<StImgRReal> realImg(ReservoirWaterCommonSo reservoirWaterCommonSo) {
        return attResBaseMapper.realImg(reservoirWaterCommonSo.getResCode());
    }

    public List<StZvarlB> zvarl(String stcd) {
        LambdaQueryWrapper<StZvarlB> queryWrapper = Wrappers.lambdaQuery();
        return stZvarlBMapper.selectList(queryWrapper);
    }

    public List<AttResMonitorVo> monitorData(DataQueryCommonSo dataQueryCommonSo) {
        String stcd = dataQueryCommonSo.getStcd();
        //雨量数据
        List<AttResMonitorVo> drpData = attResBaseMapper.drpData(dataQueryCommonSo);
        //水位数据
        List<AttResMonitorVo> rzData = attResBaseMapper.rzData(dataQueryCommonSo);
        //获取库容曲线关系，算出库容
        List<StZvarlB> zvarl = zvarl(stcd);
        if(CollectionUtils.isNotEmpty(zvarl)){
            calcTqData(rzData,zvarl);
        }
        //根据监测时间合并雨量和水位数据
        return bindData(stcd,drpData,rzData);
    }

    private void calcTqData(List<AttResMonitorVo> rzData, List<StZvarlB> zqrl) {
        /* 前期库容曲线数据不足，采用了计算近似值，废弃，直接查表
        BigDecimal maxRz = zqrl.stream().max(Comparator.comparing(StZvarlB::getRz)).get().getRz();
        BigDecimal minRz = zqrl.stream().min(Comparator.comparing(StZvarlB::getRz)).get().getRz();
        Map<BigDecimal, BigDecimal> map = zqrl.stream().collect(Collectors.toMap(StZvarlB::getRz, StZvarlB::getW,
                (existing, replacement) -> existing));

         * 根据监测水位和库容曲线计算出当前库容
         * 计算规则：1.监测水位不在库容曲线范围内，无法计算当前库容
         * 2.找出与监测水位最接近的一组水位值，算出比例，根据比例计算库容：如监测水位为10，最相近的一组水位值为9-11，对应的库容为4-5
         * 则计算公式为1/2 = x/1 x=0.5 当前库容=4+0.5=4.5

        List<BigDecimal> list = zqrl.stream().map(StZvarlB::getRz).collect(Collectors.toList());
        for (AttResMonitorVo vo : rzData) {
            BigDecimal rz = vo.getRz();
            if (rz.compareTo(minRz) < 0 || rz.compareTo(maxRz) > 0) {
                continue;
            }
            vo.setW(DataHandleUtil.calcData(rz, map, list));
        }
        */
        //zqrl转map，用rz值做key，bigdecimal的精度设置为3位
        Map<BigDecimal, BigDecimal> map = zqrl.stream().collect(Collectors.toMap(v -> v.getRz().setScale(3, RoundingMode.UNNECESSARY), v -> v.getW()));
        for (AttResMonitorVo vo : rzData) {
            BigDecimal rz = vo.getRz().setScale(3, RoundingMode.UNNECESSARY);
            if (map.containsKey(rz)) {
                vo.setW(map.get(rz));
            }
        }
    }

        private List<AttResMonitorVo> bindData(String stcd,List<AttResMonitorVo> drpData, List<AttResMonitorVo> rzData) {
            HashSet<Date> strings = new HashSet<>();
            drpData.stream().forEach(v1 -> strings.add(v1.getTm()));
            rzData.stream().forEach(v1 -> strings.add(v1.getTm()));

            ArrayList<AttResMonitorVo> result = new ArrayList<>();
            strings.stream().forEach(v1 -> result.add(AttResMonitorVo.builder().stcd(stcd).tm(v1).build()));

            List<AttResMonitorVo> list = result.stream().map(v1 -> {
                drpData.stream().filter(v2 -> v1.getTm().equals(v2.getTm())).forEach(v2 -> {
                    v1.setDrp(v2.getDrp());
                });

                rzData.stream().filter(v2 -> v1.getTm().equals(v2.getTm())).forEach(v2 -> {
                    v1.setRz(v2.getRz());
                    v1.setW(v2.getW());
                });
                return v1;
            }).collect(Collectors.toList());
            return list.stream().sorted(Comparator.comparing(AttResMonitorVo::getTm).reversed()).collect(Collectors.toList());
        }

    public StRsvrVo rz(ReservoirWaterCommonSo reservoirWaterCommonSo) {
        StRsvrVo vo = new StRsvrVo();
        String resCode = reservoirWaterCommonSo.getResCode();
        AttResBase attResBase = attResBaseMapper.selectById(resCode);
        vo.setFlLowLimLev(attResBase.getFlLowLimLev());
        //默认查询近一周水位
        String endTime = DateUtil.convertDateToMDSString(new Date());
        String startTime = DateUtil.getMinusTime(endTime, 7 * 24);
        vo.setList(attResBaseMapper.queryRzList(attResBase.getStcd(),startTime,endTime));
        return vo;
    }

    public AttRvMonitorDetailVo detail(String stcd) {
        AttRvMonitorDetailVo vo = new AttRvMonitorDetailVo();
        StPptnDetailsVo stPptnDetailsVo = rainBasinDivisionService.queryStPptnDetailsByStcd(stcd);
        BeanUtils.copyProperties(stPptnDetailsVo,vo,AttRvMonitorDetailVo.class);

        //最新水位
        AttResMonitorVo monitorVo = attResBaseMapper.latestRz(stcd);
        if(monitorVo == null){
            return vo;
        }
        Date tm = monitorVo.getTm();
        BigDecimal rz = monitorVo.getRz();

        //最新水位时间往前推24小时水位
        LocalDateTime now = LocalDateTime.ofInstant(tm.toInstant(), ZoneId.systemDefault());
        LocalDateTime dateTime = now.minusDays(1);
        BigDecimal oldRz = attResBaseMapper.oldRz(stcd,2,Date.from(dateTime.atZone(ZoneId.systemDefault()).toInstant()));

        if(oldRz != null){
            vo.setRzDiff(rz.subtract(oldRz));
        }

        //本年最高水位
        BigDecimal maxYearRz = queryYearRzByStcdAndTime(stcd);
        vo.setMaxRz(maxYearRz);
        return vo;
    }

    private BigDecimal queryYearRzByStcdAndTime(String stcd) {
        LocalDateTime now = LocalDateTime.ofInstant(new Date().toInstant(), ZoneId.systemDefault());
        LocalDateTime startTime;
        LocalDateTime endTime;
        if (now.getHour() >= 8 || (now.getHour() < 8 && now.getMonthValue() > 1) || (now.getHour() < 8 && now.getMonthValue() == 1 && now.getDayOfMonth() >= 1)){
            startTime = LocalDateTime.of(
                    now.getYear(),
                    1,
                    1,
                    8,
                    0,
                    0
            );
            endTime = now;
            return attResBaseMapper.queryMaxRzByStcdAndTime(stcd,Date.from(startTime.atZone(ZoneId.systemDefault()).toInstant()), Date.from(endTime.atZone(ZoneId.systemDefault()).toInstant()));
        }
        return new BigDecimal(0);
    }

    public List<StStbprpB> channel(String resCode) {
        return attResBaseMapper.channel(resCode);
    }

    public Page<StImgR> imageInfo(PicQuerySo picQuerySo) {
        return attResBaseMapper.imageInfo(picQuerySo.getPageSo().toPage(),picQuerySo);
    }

    public List<AttResMonitorVo> data(DataQueryCommonSo dataQueryCommonSo) {
        String stcd = dataQueryCommonSo.getStcd();
        //水位数据
        List<AttResMonitorVo> rzData = attResBaseMapper.rzData(dataQueryCommonSo);
        //获取库容曲线关系，算出库容
        List<StZvarlB> zvarl = zvarl(stcd);
        if(CollectionUtils.isNotEmpty(zvarl)){
            calcTqData(rzData,zvarl);
        }
        return rzData;
    }

    public Page<AttResMonitorVo> dataPage(PicQuerySo picQuerySo) {
        String stcd = picQuerySo.getStcd();
        //水位数据
        Page<AttResMonitorVo> rzData = attResBaseMapper.rzDataPage(picQuerySo.getPageSo().toPage(),picQuerySo);
        //获取库容曲线关系，算出库容
        List<StZvarlB> zvarl = zvarl(stcd);
        if(CollectionUtils.isNotEmpty(zvarl)){
            calcTqData(rzData.getRecords(),zvarl);
        }
        return rzData;
    }
}