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.transaction.annotation.Transactional;
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
    @Transactional
    public void insertHistoryWeekly() {
        //开始时间，上周一
        Date start = DateUtils.getLastWeekMonday();
        //结束时间，本周一
        Date end = DateUtils.addDays(start, 7);
        //因子
        QueryWrapper<Sensor> sensorQueryWrapper = new QueryWrapper<>();
        sensorQueryWrapper.select("code", "lower", "upper").eq("is_delete", Constants.NOT_DELETE);
        List<Sensor> sensors = sensorService.list(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(end));
        List<Map<String, Object>> weeklyData = historyDailyService.listMaps(historyDailyQueryWrapper);
        if (weeklyData.size() == 0) {
            return;
        }

        //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
            Map<String, Object> params = new HashMap<>();
            params.put("data", value);
            params.put("type", "week");
            for (Sensor sensor : sensors) {
                String sensorCode = sensor.getCode();
                if (sensorCode.equals(Constants.SENSOR_CODE_WIND_DIR)) {
                    if (sensor.getUpper() != null) {
                        params.put("windDirUpper", sensor.getUpper());
                    }
                    if (sensor.getLower() != null) {
                        params.put("windDirLower", sensor.getLower());
                    }
                }
                if (sensorCode.equals(Constants.SENSOR_CODE_WIND_SPEED)) {
                    if (sensor.getUpper() != null) {
                        params.put("windSpeedUpper", sensor.getUpper());
                    }
                    if (sensor.getLower() != null) {
                        params.put("windSpeedLower", sensor.getLower());
                    }
                }

                if (sensorCode.equals(Constants.SENSOR_CODE_CO)) {
                    if (sensor.getUpper() != null) {
                        params.put("coUpper", sensor.getUpper());
                    }
                    if (sensor.getLower() != null) {
                        params.put("coLower", sensor.getLower());
                    }
                }

                if (sensorCode.equals(Constants.SENSOR_CODE_O3)) {
                    if (sensor.getUpper() != null) {
                        params.put("o3Upper", sensor.getUpper());
                    }
                    if (sensor.getLower() != null) {
                        params.put("o3Lower", sensor.getLower());
                    }
                }

            }
            //风向计算
            Map<String, Object> windDirAvg = AmendUtils.getWindDirAvg(params);
            if (!ObjectUtils.isEmpty(windDirAvg)) {
                jsonMap.putAll(windDirAvg);
            }

            //CO 95百分位计算并修约
            Map<String, Object> coAvgOfWeekOrMonth = AmendUtils.getCOAvgOfWeekOrMonth(params);
            if (!ObjectUtils.isEmpty(coAvgOfWeekOrMonth)) {
                jsonMap.putAll(coAvgOfWeekOrMonth);
            }

            //O3 90百分位计算并修约
            Map<String, Object> o3AvgOfWeekOrMonth = AmendUtils.getO3AvgOfWeekOrMonth(params);
            if (!ObjectUtils.isEmpty(o3AvgOfWeekOrMonth)) {
                jsonMap.putAll(o3AvgOfWeekOrMonth);
            }

            sensors.forEach(sensor -> {
                String sensorCode = sensor.getCode();
                Double upper = sensor.getUpper();
                Double lower = sensor.getLower();
                OptionalDouble optionalDouble = value.parallelStream()
                        .flatMapToDouble(v -> {
                            Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class);
                            Object sensorValue = dataValue.get(sensorCode);
                            if (ObjectUtils.isEmpty(sensorValue)) {
                                return null;
                            }
                            //风向单独计算
                            if (Constants.SENSOR_CODE_WIND_DIR.equals(sensorCode)) {
                                return null;
                            }
                            //CO单独计算
                            if (Constants.SENSOR_CODE_CO.equals(sensorCode)) {
                                return null;
                            }
                            //O3单独计算
                            if (Constants.SENSOR_CODE_O3.equals(sensorCode)) {
                                return null;
                            }

                            //剔除数据超过上下限的数据
                            double aDouble = Double.parseDouble(sensorValue.toString());
                            if (!ObjectUtils.isEmpty(upper)) {
                                if (aDouble > upper) {
                                    return null;
                                }
                            }
                            if (!ObjectUtils.isEmpty(lower)) {
                                if (aDouble < lower) {
                                    return null;
                                }
                            }
                            return DoubleStream.of(aDouble);
                        }).average();
                if (optionalDouble.isPresent()) {
                    //银行家算法修约
                    double sciCal = AmendUtils.sciCal(optionalDouble.getAsDouble(), 4);
                    jsonMap.put(sensorCode, sciCal);
                }
            });
            dataMap.put("value", JSONObject.toJSONString(jsonMap));
            insertData.add(dataMap);
        });

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