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.HistoryHourly;
import com.moral.api.entity.Sensor;
import com.moral.api.mapper.HistoryDailyMapper;
import com.moral.api.service.HistoryDailyService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.api.service.HistoryHourlyService;
import com.moral.api.service.SensorService;
import com.moral.constant.Constants;
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>
 * 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-06-11
 */
@Service
public class HistoryDailyServiceImpl extends ServiceImpl<HistoryDailyMapper, HistoryDaily> implements HistoryDailyService {

    @Autowired
    private HistoryDailyMapper historyDailyMapper;

    @Autowired
    private SensorService sensorService;

    @Autowired
    private HistoryHourlyService historyHourlyService;


    @Override
    public void insertHistoryDaily() {

        String format = DateUtils.yyyy_MM_dd_EN;
        Date now = new Date();
        //开始时间
        Date start = DateUtils.dataToTimeStampTime(DateUtils.getDateOfDay(now, -1), format);
        //结束时间
        Date end = DateUtils.dataToTimeStampTime(now, format);
        //因子
        QueryWrapper<Sensor> sensorQueryWrapper = new QueryWrapper<>();
        sensorQueryWrapper.select("code").eq("is_delete", Constants.NOT_DELETE);
        List<Object> sensorCodes = sensorService.listObjs(sensorQueryWrapper);

        //获取所有设备小时数据
        QueryWrapper<HistoryHourly> historyHourlyQueryWrapper = new QueryWrapper<>();
        historyHourlyQueryWrapper.ge("time", DateUtils.dateToDateString(start)).le("time", DateUtils.dateToDateString(end));
        List<Map<String, Object>> dailyData = historyHourlyService.listMaps(historyHourlyQueryWrapper);

        //按mac分组
        Map<String, List<Map<String, Object>>> data = dailyData.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);

            //中间变量，用于计算除臭氧外其它因子
            List<Map<String, Object>> tempValue = new ArrayList<>(value);

            value.removeIf(map -> ((Date) map.get("time")).getTime() == start.getTime());
            //臭氧8小时滑动值
            double o3AvgOfDay = getO3AvgOfDay(value);
            jsonMap.put(Constants.SENSOR_CODE_O3, o3AvgOfDay);
            System.out.println("臭氧==" + value);

            //除臭氧外日均值计算
            tempValue.removeIf(map -> ((Date) map.get("time")).getTime() == end.getTime());
            System.out.println("其他因子==" + tempValue);
            sensorCodes.forEach(sensorCode -> {
                OptionalDouble optionalDouble = tempValue.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;
                            }
                            if (sensorCode.equals(Constants.SENSOR_CODE_O3)) {
                                return null;
                            }
                            return DoubleStream.of(Double.parseDouble(sensorValue.toString()));
                        }).average();
                if (optionalDouble.isPresent()) {
                    jsonMap.put(sensorCode.toString(), Double.parseDouble(String.format("%.4f", optionalDouble.getAsDouble())));
                }
            });
            dataMap.put("value", JSONObject.toJSONString(jsonMap));
            insertData.add(dataMap);
        });

        //臭氧8小时滑动值
        System.out.println(insertData);
        historyDailyMapper.insertHistoryDaily(insertData);
    }

    //臭氧8小时滑动值
    private double getO3AvgOfDay(List<Map<String, Object>> list) {
        double max = 0d;
        for (int i = 8; i <= 24; i++) {
            List<Double> data = new ArrayList<>();
            for (Map<String, Object> dataMap : list) {
                Map<String, Object> dataValue = JSONObject.parseObject((String) dataMap.get("value"), Map.class);
                Double o3 = Double.parseDouble(dataValue.get(Constants.SENSOR_CODE_O3).toString());
                int hour = DateUtils.getHour((Date) dataMap.get("time"));
                if (hour == 0) {
                    hour = 24;
                }
                if (hour <= i && hour >= i - 7) {
                    data.add(o3);
                }
            }
            double average = data.stream().mapToDouble(aDouble -> aDouble).summaryStatistics().getAverage();
            if (max < average) {
                max = average;
            }
        }
        return Double.parseDouble(String.format("%.4f", max));
    }

    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        list.add(8);//1点
        list.add(12);//2
        list.add(10);//3
        list.add(18);//4
        list.add(16);//5
        list.add(22);//6
        list.add(4);//8
        list.add(12);
        list.add(28);
        list.add(26);
        list.add(25);
        list.add(21);
        list.add(6);
        list.add(18);
        list.add(28);
        list.add(18);
        list.add(16);
        list.add(15);
        list.add(12);
        list.add(14);
        list.add(12);
        list.add(10);
        list.add(5);
        list.add(88);
        Integer max = 0;
        for (int i = 7; i < list.size(); i++) {
            Integer sum = 0;
            for (int j = i - 7; j <= i; j++) {
                Integer b = list.get(j);
                sum = sum + b;
            }
            if (sum > max) {
                max = sum;
            }
        }
        System.out.println((max / 8F));
    }
}