package com.moral.api.service.impl;

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;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.moral.api.entity.Sensor;
import com.moral.api.mapper.HistoryFiveMinutelyMapper;
import com.moral.api.service.HistoryFiveMinutelyService;
import com.moral.api.service.HistoryMinutelyService;
import com.moral.api.service.SensorService;
import com.moral.constant.Constants;
import com.moral.util.DateUtils;

@Service
public class HistoryFiveMinutelyServiceImpl implements HistoryFiveMinutelyService {

    @Autowired
    private HistoryFiveMinutelyMapper historyFiveMinutelyMapper;

    @Autowired
    private HistoryMinutelyService historyMinutelyService;

    @Autowired
    private SensorService sensorService;

    @Override
    public void createTable(String timeUnits) {
        historyFiveMinutelyMapper.createTable(timeUnits);
    }

    @Override
    public void insertHistoryFiveMinutely() {
        //时间格式化：yyyy-MM-dd HH:mm
        String format = DateUtils.yyyy_MM_dd_HH_mm_EN;
        Date now = new Date();
        Map<String, Object> params = new HashMap<>();
        //开始时间
        Date start = DateUtils.dataToTimeStampTime(DateUtils.getDateOfMin(now, -5), format);
        //结束时间
        Date end = DateUtils.dataToTimeStampTime(now, format);
        params.put("start", start);
        params.put("end", end);
        //获取数据的分钟表后缀
        String timeUnits = DateUtils.dateToDateString(start, DateUtils.yyyyMM_EN);
        params.put("timeUnits", timeUnits);

        //因子
        QueryWrapper<Sensor> queryWrapper = new QueryWrapper<>();
        queryWrapper.select("code").eq("is_delete", Constants.NOT_DELETE);
        List<Object> sensorCodes = sensorService.listObjs(queryWrapper);

        //获取所有设备的5分钟数据
        List<Map<String, Object>> fiveMinutelyData = historyMinutelyService.getHistoryFiveMinutelyData(params);
        //按mac分组
        Map<String, List<Map<String, Object>>> data = fiveMinutelyData.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", end);
            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;
                            }
                            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);
        });

        //5分钟表后缀
        String insertTimeUnits = DateUtils.dateToDateString(now, DateUtils.yyyyMM_EN);
        historyFiveMinutelyMapper.insertHistoryFiveMinutely(insertData, insertTimeUnits);
    }

    public static void main(String[] args) {
        //模拟数据
        List<Map<String, Object>> list = new ArrayList<>();
        Map<String, Object> map1 = new HashMap<>();
        map1.put("mac", "p5dnd1234567");
        map1.put("value", "{\"a0001\": 10, \"a0002\": 8, \"a0001-Flag\": \"N\", \"a0002-Flag\": \"N\"}");
        Map<String, Object> map2 = new HashMap<>();
        map2.put("mac", "p5dnd123456789");
        map2.put("value", "{\"a0001\": 12, \"a0002\": 12, \"a0001-Flag\": \"N\", \"a0002-Flag\": \"N\"}");
        Map<String, Object> map3 = new HashMap<>();
        map3.put("mac", "p5dnd1234567");
        map3.put("value", "{\"a0001\": 6, \"a0002\": 20, \"a0001-Flag\": \"N\", \"a0002-Flag\": \"N\", \"a0003\": 14}");
        Map<String, Object> map4 = new HashMap<>();
        map4.put("mac", "p5dnd1234567");
        map4.put("value", "{\"a0001\": 4, \"a0002\": 16, \"a0001-Flag\": \"N\", \"a0002-Flag\": \"N\", \"a0003\": 16}");
        list.add(map1);
        list.add(map2);
        list.add(map3);
        list.add(map4);

        //数据按mac分组
        Map<String, List<Map<String, Object>>> data = list.parallelStream().collect(Collectors.groupingBy(o -> (String) o.get("mac")));
        System.out.println(data);

        //所有因子
        List<Object> sensors = new ArrayList<>();
        sensors.add("a0001");
        sensors.add("a0002");
        sensors.add("a0003");

        //插入数据库结果集
        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);
            sensors.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;
                            }
                            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);
        });


        System.out.println("666==" + insertData);
    }
}