package com.moral.api.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.moral.api.entity.HistoryDaily;
import com.moral.api.entity.HistoryWeekly;
import com.moral.api.entity.Sensor;
import com.moral.api.mapper.HistoryWeeklyMapper;
import com.moral.api.service.HistoryDailyService;
import com.moral.api.service.HistoryWeeklyService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.api.service.SensorService;
import com.moral.constant.Constants;
import com.moral.util.AmendUtils;
import com.moral.util.DateUtils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.OptionalDouble;
import java.util.stream.Collectors;
import java.util.stream.DoubleStream;

/**
 * <p>
 * 周数据 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-06-30
 */
@Service
public class HistoryWeeklyServiceImpl extends ServiceImpl<HistoryWeeklyMapper, HistoryWeekly> implements HistoryWeeklyService {

    @Autowired
    private HistoryWeeklyMapper historyWeeklyMapper;

    @Autowired
    private SensorService sensorService;

    @Autowired
    private HistoryDailyService historyDailyService;

    @Override
    public void insertHistoryWeekly() {
        Date now = new Date();
        //开始时间，上周一
        Date start = DateUtils.geLastWeekMonday();
        //因子
        QueryWrapper<Sensor> sensorQueryWrapper = new QueryWrapper<>();
        sensorQueryWrapper.select("code").eq("is_delete", Constants.NOT_DELETE);
        List<Object> sensorCodes = sensorService.listObjs(sensorQueryWrapper);

        //获取所有设备日数据
        QueryWrapper<HistoryDaily> historyDailyQueryWrapper = new QueryWrapper<>();
        historyDailyQueryWrapper.ge("time", DateUtils.dateToDateString(start)).lt("time", DateUtils.dateToDateString(now));
        List<Map<String, Object>> weeklyData = historyDailyService.listMaps(historyDailyQueryWrapper);

        //按mac分组
        Map<String, List<Map<String, Object>>> data = weeklyData.parallelStream().collect(Collectors.groupingBy(o -> (String) o.get("mac")));

        //存入数据库的结果集
        List<Map<String, Object>> insertData = new ArrayList<>();

        data.forEach((key, value) -> {
            Map<String, Object> dataMap = new HashMap<>();
            Map<String, Object> jsonMap = new HashMap<>();
            dataMap.put("mac", key);
            dataMap.put("time", start);

            //风向均值计算并修约
            Object windDirAvg = AmendUtils.getWindDirAvg(value);
            if (windDirAvg != null) {
                jsonMap.put(Constants.SENSOR_CODE_WIND_DIR, windDirAvg);
            }

            //CO 95百分位计算并修约
            Object coAvg = AmendUtils.getCOAvgOfWeek(value);
            if (coAvg != null) {
                jsonMap.put(Constants.SENSOR_CODE_CO, coAvg);
            }

            //CO 90百分位计算并修约
            Object o3Avg = AmendUtils.getO3AvgOfWeek(value);
            if (o3Avg != null) {
                jsonMap.put(Constants.SENSOR_CODE_O3, o3Avg);
            }

            sensorCodes.forEach(sensorCode -> {
                OptionalDouble optionalDouble = value.parallelStream()
                        .flatMapToDouble(v -> {
                            Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class);
                            Object sensorValue = dataValue.get(sensorCode.toString());
                            if (ObjectUtils.isEmpty(sensorValue)) {
                                return null;
                            }
                            //风向另外计算
                            if (Constants.SENSOR_CODE_WIND_DIR.equals(sensorCode)) {
                                return null;
                            }
                            //CO另外计算
                            if (Constants.SENSOR_CODE_CO.equals(sensorCode)) {
                                return null;
                            }
                            //O3另外计算
                            if (Constants.SENSOR_CODE_O3.equals(sensorCode)) {
                                return null;
                            }
                            return DoubleStream.of(Double.parseDouble(sensorValue.toString()));
                        }).average();
                if (optionalDouble.isPresent()) {
                    //银行家算法修约
                    double sciCal = AmendUtils.sciCal(optionalDouble.getAsDouble(), 4);
                    jsonMap.put(sensorCode.toString(), sciCal);
                }
            });
            dataMap.put("value", JSONObject.toJSONString(jsonMap));
            insertData.add(dataMap);
        });

        //存入数据库
        historyWeeklyMapper.insertHistoryWeekly(insertData);
    }

    public static void main(String[] args) {
        List<Double> data = new ArrayList<>();
        data.add(7d);
        data.add(15d);
        data.add(36d);
        data.add(39d);
        data.add(40d);
        data.add(41d);
        data.add(20d);
        data.add(18d);
        System.out.println(data);
        System.out.println(AmendUtils.percentile(data, 95));

    }


}