package com.huimv.admin.service.impl;

import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.huimv.admin.common.utils.DataUill;
import com.huimv.admin.common.utils.Result;
import com.huimv.admin.common.utils.ResultCode;
import com.huimv.admin.entity.EnvWater;
import com.huimv.admin.entity.vo.energyMonthVo;
import com.huimv.admin.entity.vo.energyYearVo;
import com.huimv.admin.mapper.EnvWaterMapper;
import com.huimv.admin.service.IEnvWaterService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author author
 * @since 2023-03-23
 */
@Service
public class EnvWaterServiceImpl extends ServiceImpl<EnvWaterMapper, EnvWater> implements IEnvWaterService {

    @Autowired
    private EnvWaterMapper envWaterMapper;

    @Override
    public Result listWater(Map<String, String> paramsMap) {
        Date timesMonthmorning = DataUill.getTimesMonthmorning();
        Date currentYearStartTime = DataUill.getCurrentYearStartTime();
        Date lastYearStartTime = DataUill.getLastYearStartTime();
        Date lastYearEndTime = DataUill.getLastYearEndTime();

        String farmId = paramsMap.get("farmId");
        String type =  paramsMap.get("type");

        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //格式化时间
        QueryWrapper<EnvWater> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("farm_id",farmId);
        Map resultMap = new HashMap();
        //月
        if ("1".equals(type)){
            queryWrapper.ge("update_time",timesMonthmorning);
            List<energyMonthVo> energyMonthVos = envWaterMapper.listDayWater(queryWrapper);
            resultMap.put("data", energyMonthVos);
            BigDecimal currentWater = envWaterMapper.getWater(queryWrapper);
            if (ObjectUtil.isNull(currentWater)){
                currentWater = BigDecimal.ZERO;
            }
            resultMap.put("currentValue",currentWater);
            //上个月
            //获取上个月的第一天
            Calendar cal_1 = Calendar.getInstance();//获取当前日期
            cal_1.add(Calendar.MONTH, -1);
            cal_1.set(Calendar.DAY_OF_MONTH, 1);//设置为1号
            cal_1.set(Calendar.HOUR_OF_DAY, 0);
            cal_1.set(Calendar.MINUTE, 0);
            cal_1.set(Calendar.SECOND, 0);
            String firstDay = format.format(cal_1.getTime());
            //获取上个月的最后一天
            Calendar cal_2 = Calendar.getInstance();
            cal_2.set(Calendar.DAY_OF_MONTH, 0);//设置为1号,当前日期既为本月第一天
            cal_2.set(Calendar.HOUR_OF_DAY, 23);
            cal_2.set(Calendar.MINUTE, 59);
            cal_2.set(Calendar.SECOND, 59);
            String lastDay = format.format(cal_2.getTime());
            QueryWrapper<EnvWater> wrapper = new QueryWrapper();
            wrapper.eq("farm_id",farmId).between("update_time",firstDay,lastDay);
            BigDecimal lastWater = envWaterMapper.getWater(wrapper);
            if (ObjectUtil.isNull(lastWater)){
                resultMap.put("lastValue",0);
                resultMap.put("gap",100);
                return new Result(ResultCode.SUCCESS,resultMap);
            }
            resultMap.put("lastValue",lastWater);
            double gap = ((currentWater.doubleValue() - lastWater.doubleValue()) / lastWater.doubleValue()) * 100;
            if (ObjectUtil.isNull(gap)){
                gap = 0.0;
            }
            BigDecimal bg = new BigDecimal(gap).setScale(2, RoundingMode.UP);
            resultMap.put("gap",bg);
            return new Result(ResultCode.SUCCESS,resultMap);
        }else {
            //年
            queryWrapper.ge("update_time",currentYearStartTime);
            List<energyYearVo> energyMonthVos = envWaterMapper.listMonthWater(queryWrapper);
            resultMap.put("data", energyMonthVos);
            BigDecimal currentWater = envWaterMapper.getWater(queryWrapper);
            if (ObjectUtil.isNull(currentWater)){
                currentWater = BigDecimal.ZERO;
            }
            resultMap.put("currentValue",currentWater);
            //上一年
            String firstDay = format.format(lastYearStartTime);
            String lastDay = format.format(lastYearEndTime);
            QueryWrapper<EnvWater> wrapper = new QueryWrapper();
            wrapper.eq("farm_id",farmId).between("update_time",firstDay,lastDay);
            BigDecimal lastWater = envWaterMapper.getWater(wrapper);
            if (ObjectUtil.isNull(lastWater)){
                resultMap.put("lastValue",0);
                resultMap.put("gap",100);
                return new Result(ResultCode.SUCCESS,resultMap);
            }
            resultMap.put("lastValue",lastWater);
            double gap = ((currentWater.doubleValue() - lastWater.doubleValue()) / lastWater.doubleValue()) * 100;
            if (ObjectUtil.isNull(gap)){
                gap = 0.0;
            }
            BigDecimal bg = new BigDecimal(gap).setScale(2, RoundingMode.UP);
            resultMap.put("gap",bg);
            return new Result(ResultCode.SUCCESS,resultMap);
        }

    }
}