package com.gunshi.project.ss.service;


import com.gunshi.project.ss.common.model.StRsvrR;
import com.gunshi.project.ss.common.model.StStbprpB;
import com.gunshi.project.ss.entity.vo.AttResBaseVo;
import com.gunshi.project.ss.entity.vo.ScreenRsvrVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

@Service
@Slf4j
public class ScreenMoniotrService {

    @Autowired
    private StStbprpBService stStbprpBService;

    @Autowired
    private AttResBaseService attResBaseService;

    @Autowired
    private ReservoirWaterService reservoirWaterService;

    @Autowired
    private StRsvrRService stRsvrRService;

    public List<ScreenRsvrVo> getScreenRsvr() {
        //查询所有的水库水情站点
        List<ScreenRsvrVo> res = new ArrayList<>();
        List<AttResBaseVo> attResBaseVos = reservoirWaterService.listV2();
        for (AttResBaseVo rsvrStation : attResBaseVos) {
            ScreenRsvrVo entity = new ScreenRsvrVo();
            entity.setStcd(rsvrStation.getStcd());
            entity.setStnm(rsvrStation.getStnm());
            entity.setLgtd(rsvrStation.getLgtd());
            entity.setLttd(rsvrStation.getLttd());
            BigDecimal rz = rsvrStation.getRz();
            entity.setRz(rz);
            BigDecimal nowCap = rsvrStation.getNowCap();
            BigDecimal deadCap = rsvrStation.getDeadCap();
            entity.setNowCap(rsvrStation.getNowCap());
            if(nowCap != null && deadCap != null){
                entity.setEffectiveCap(nowCap.subtract(deadCap));
            }
            BigDecimal flLowLimLev = rsvrStation.getFlLowLimLev();
            entity.setFlLowLimLev(rsvrStation.getFlLowLimLev());
            if(rz != null && flLowLimLev != null){
                entity.setGapFlLowLimLev(rz.subtract(flLowLimLev));
            }

            Date tm = rsvrStation.getTm();
            if(tm == null){
                entity.setStatus(0);
            }else{
                StRsvrR one = stRsvrRService.lambdaQuery()
                        .eq(StRsvrR::getStcd, rsvrStation.getStcd())
                        .lt(StRsvrR::getTm, tm).orderByDesc(StRsvrR::getTm)
                        .last("limit 1").one();
                if(one == null){
                    entity.setStatus(0);
                }else{
                    //如果过去时刻水位高于当前水位 ->表示下降
                    String lastRz = one.getRz();
                    BigDecimal decimalRz = new BigDecimal(lastRz);
                    if(rz.compareTo(decimalRz) < 0){
                        entity.setStatus(2);
                    }else if(rz.compareTo(decimalRz) > 0){
                        entity.setStatus(1);
                    }else{
                        entity.setStatus(0);
                    }
                }
            }
            res.add(entity);
        }
        return res;
    }
}