package com.moral.service.impl;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.apache.commons.collections.MapUtils;
import org.springframework.stereotype.Service;

import com.moral.entity.Device;
import com.moral.entity.Point;
import com.moral.entity.Sensor;
import com.moral.mapper.HistoryHourlyMapper;
import com.moral.mapper.SensorMapper;
import com.moral.service.DeviceService;
import com.moral.service.HistoryHourlyService;

@Service
public class HistoryHourlyServiceImpl implements HistoryHourlyService {
    @Resource
    private HistoryHourlyMapper historyHourlyMapper;

    @Resource
    private DeviceService deviceService;

    @Resource
    private SensorMapper sensorMapper;

    @Override
    public Map<String, Object> getPollutionSourceData(Map<String, Object> parameters) throws Exception {
        List<Sensor> sensors = sensorMapper.getSensorsByMac(parameters);
        List<String> sensorKeys = new ArrayList<>();
        for (Sensor sensor : sensors) {
            sensorKeys.add(sensor.getSensorKey());
        }
        parameters.put("sensorKeys", sensorKeys);
       /* if(pollutionSourceData.get("e6")!=null&&pollutionSourceData.get("e18")!=null){
            pollutionSourceData=historyHourlyMapper.getPollutionSourceData(parameters);
        }
        return pollutionSourceData;*/
        System.out.println("----"+historyHourlyMapper.getPollutionSourceData(parameters));
       return historyHourlyMapper.getPollutionSourceData(parameters);
    }

    @Override
    public Point getDirPoint(Map<String, Object> parameters) throws Exception{
        Map<String,Object> pollutionSourceData=getPollutionSourceData(parameters);
        String mac = parameters.get("mac").toString();
        Device device = deviceService.getDeviceByMac(mac, false);
        Point pointEnd=new Point();
        if(MapUtils.isNotEmpty(pollutionSourceData)){
            System.out.println("pollutionSourceData"+pollutionSourceData);
            if(pollutionSourceData.get("e18")!=null&&pollutionSourceData.get("e23")!=null&&pollutionSourceData.get("e6")!=null){
                double windSpeed=Double.valueOf(pollutionSourceData.get("e18").toString());
                double winDir=Double.valueOf(pollutionSourceData.get("e23").toString());
                double distance=windSpeed*3600;
                double long1=device.getLongitude();
                double lat1=device.getLatitude();
                System.out.println("windSpeed:"+windSpeed+"---winDir:"+winDir+"---distance:"+distance+"--long1:"+long1+"--lat1:"+lat1);
                String[] result=calLocationByDistanceAndLocationAndDirection(winDir,long1,lat1,distance);
                System.out.println("result1："+Double.valueOf(result[0])+"result2："+Double.valueOf(result[1]));
                pointEnd.setLng(Double.valueOf(result[0]));
                pointEnd.setLat(Double.valueOf(result[1]));
            }
        }
        return pointEnd;
    }



    /**
     * 根据一点的坐标与距离，以及方向，计算另外一点的位置
     * @param angle 角度，从正北顺时针方向开始计算
     * @param startLong 起始点经度
     * @param startLat 起始点纬度
     * @param distance 距离，单位m
     * @return
     */
    private String[] calLocationByDistanceAndLocationAndDirection(double angle, double startLong,double startLat, double distance){
        /** 地球半径 **/
        final double R = 6371e3;
        /** 180° **/
        final DecimalFormat df = new DecimalFormat("0.000000");
        String[] result = new String[2];
        //将距离转换成经度的计算公式
        double δ = distance/R;
        // 转换为radian，否则结果会不正确
        angle = Math.toRadians(angle);
        startLong = Math.toRadians(startLong);
        startLat = Math.toRadians(startLat);
        double lat = Math.asin(Math.sin(startLat)*Math.cos(δ)+Math.cos(startLat)*Math.sin(δ)*Math.cos(angle));
        double lng = startLong + Math.atan2(Math.sin(angle)*Math.sin(δ)*Math.cos(startLat),Math.cos(δ)-Math.sin(startLat)*Math.sin(lat));
        // 转为正常的10进制经纬度
        lng = Math.toDegrees(lng);
        lat = Math.toDegrees(lat);
        result[0] = df.format(lng);
        result[1] = df.format(lat);
        return result;
    }

}