package com.ruoyi.alarm.globalAlarm.service.impl;

import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.alarm.cameraAlarm.domain.ArdAlarmCamera;
import com.ruoyi.alarm.cameraAlarm.mapper.ArdAlarmCameraMapper;
import com.ruoyi.alarm.globalAlarm.domain.GlobalAlarmCondition;
import com.ruoyi.alarm.globalAlarm.domain.GlobalAlarmData;
import com.ruoyi.alarm.globalAlarm.domain.GuidePriorityQueue;
import com.ruoyi.alarm.globalAlarm.domain.GuideTask;
import com.ruoyi.alarm.globalAlarm.service.IGlobalAlarmService;
import com.ruoyi.alarm.radarAlarm.domain.ArdAlarmRadar;
import com.ruoyi.alarm.radarAlarm.domain.RadarAlarmData;
import com.ruoyi.alarm.radarAlarm.mapper.ArdAlarmRadarMapper;
import com.ruoyi.alarm.stealAlarm.domain.ArdAlarmStealelec;
import com.ruoyi.alarm.stealAlarm.mapper.ArdAlarmStealelecMapper;
import com.ruoyi.alarm.tubeAlarm.domain.ArdAlarmTube;
import com.ruoyi.alarm.tubeAlarm.mapper.ArdAlarmTubeMapper;
import com.ruoyi.alarmpoints.tube.domain.ArdTubes;
import com.ruoyi.alarmpoints.tube.domain.ArdTubesDetails;
import com.ruoyi.alarmpoints.tube.mapper.ArdTubesDetailsMapper;
import com.ruoyi.alarmpoints.tube.mapper.ArdTubesMapper;
import com.ruoyi.alarmpoints.well.domain.ArdAlarmpointsWell;
import com.ruoyi.alarmpoints.well.mapper.ArdAlarmpointsWellMapper;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.constant.CamPriority;
import com.ruoyi.utils.tools.ArdTool;
import com.ruoyi.utils.tools.GisTool;
import com.ruoyi.common.utils.uuid.IdUtils;
import com.ruoyi.device.camera.domain.ArdCameras;
import com.ruoyi.device.camera.domain.CameraCmd;
import com.ruoyi.device.camera.mapper.ArdCamerasMapper;
import com.ruoyi.device.hiksdk.common.GlobalVariable;
import com.ruoyi.device.hiksdk.service.IHikClientService;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.utils.tube.GeoPoint;
import com.ruoyi.utils.tube.TubeTools;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.PriorityBlockingQueue;
import java.util.stream.Collectors;


/**
 * @Description: 全局报警业务
 * @ClassName: globalAlarmServiceImpl
 * @Author: Administrator
 * @Date: 2023年03月10日 11:03
 * @Version: 1.0
 **/
@Service
@Slf4j(topic = "mqtt")
public class GlobalAlarmServiceImpl implements IGlobalAlarmService {
    //region 依赖注入
    @Resource
    private ArdAlarmRadarMapper ardAlarmRadarMapper;
    @Resource
    private ArdAlarmStealelecMapper ardAlarmStealelecMapper;
    @Resource
    private ArdAlarmTubeMapper ardAlarmTubeMapper;
    @Resource
    private ArdAlarmCameraMapper ardAlarmCameraMapper;
    @Resource
    private ArdTubesMapper ardTubesMapper;
    @Resource
    private ArdAlarmpointsWellMapper ardAlarmpointsWellMapper;
    @Resource
    private ArdTubesDetailsMapper ardTubesDetailsMapper;
    @Resource
    private ISysConfigService configService;
    @Resource
    private ArdCamerasMapper ardCamerasMapper;
    @Resource
    private IHikClientService hikClientService;
    @Resource
    private RedisCache redisCache;
    @Resource
    private QueueManager queueManager;
    //endregion

    /**
     * @描述 查询所有报警的当前数量
     * @参数 []
     * @返回值 java.util.Map<java.lang.String, java.lang.Integer>
     * @创建人 刘苏义
     * @创建时间 2023/6/13 16:30
     * @修改人和其它信息
     */
    @Override
    public Map<String, Object> selectAlarmLogsCount() {
        Map<String, Object> map = new HashMap<>();
        Map<String, Integer> countMap = new HashMap<>();
        String refreshTime = configService.selectConfigByKey("refreshTime");
        int count1001 = ardAlarmStealelecMapper.selectCountByStartTime(refreshTime);
        countMap.put("1001", count1001);
        int count1002 = ardAlarmCameraMapper.selectCountByAlarmTime(refreshTime);
        countMap.put("1002", count1002);
        int count1003 = ardAlarmRadarMapper.selectCountByAlarmTime(refreshTime, "运动目标检测");
        countMap.put("1003", count1003);
        int count1004 = ardAlarmRadarMapper.selectCountByAlarmTime(refreshTime, "热源检测");
        countMap.put("1004", count1004);
        int count1014 = ardAlarmTubeMapper.selectCountByAlarmTime(refreshTime);
        countMap.put("1014", count1014);
        map.put("20000", countMap);
        return map;
    }

    /**
     * @描述 按条件查询报警
     * @参数 [condition]
     * @返回值 java.util.List<com.ruoyi.alarm.globalAlarm.domain.GlobalAlarmData>
     * @创建人 刘苏义
     * @创建时间 2023/6/15 15:48
     * @修改人和其它信息
     */
    @Override
    public List<GlobalAlarmData> selectAlarmLogs(GlobalAlarmCondition condition) {
        String refreshTime = configService.selectConfigByKey("refreshTime");
        switch (condition.getCommand()) {
            case 1001:
                List<ArdAlarmStealelec> ardAlarmStealelecs = ardAlarmStealelecMapper.selectListAllByCommand(refreshTime);
                return ardAlarmStealelecs.stream()
                        .map(ardAlarmStealelec -> {
                            GlobalAlarmData globalAlarmData = new GlobalAlarmData()
                                    .setId(ardAlarmStealelec.getId())
                                    .setName(ardAlarmStealelec.getDescribe())
                                    .setAlarmTime(ardAlarmStealelec.getStartTime())
                                    .setLongitude(ardAlarmStealelec.getLongitude())
                                    .setLatitude(ardAlarmStealelec.getLatitude())
                                    .setAltitude(ardAlarmStealelec.getAltitude())
                                    .setCount(ardAlarmStealelec.getCount())
                                    .setTotal(ardAlarmStealelec.getTotal());
                            return globalAlarmData;
                        })
                        .collect(Collectors.toList());
            case 1002:
                List<ArdAlarmCamera> ardAlarmCameras = ardAlarmCameraMapper.selectListAllByCommand(refreshTime);
                return ardAlarmCameras.stream()
                        .map(ardAlarmCamera -> {
                            GlobalAlarmData globalAlarmData = new GlobalAlarmData()
                                    .setId(ardAlarmCamera.getId())
                                    .setName(ardAlarmCamera.getCameraName())
                                    .setAlarmTime(ardAlarmCamera.getAlarmTime())
                                    .setLongitude(ardAlarmCamera.getLongitude())
                                    .setLatitude(ardAlarmCamera.getLatitude())
                                    .setCount(ardAlarmCamera.getCount())
                                    .setTotal(ardAlarmCamera.getTotal());
                            return globalAlarmData;
                        })
                        .collect(Collectors.toList());
            case 1003:
                List<ArdAlarmRadar> ardAlarmRadars = ardAlarmRadarMapper.selectListAllByCommand(refreshTime, "运动目标检测");
                return ardAlarmRadars.stream()
                        .map(ardAlarmRadar -> {
                            GlobalAlarmData globalAlarmData = new GlobalAlarmData()
                                    .setId(ardAlarmRadar.getId())
                                    .setName(ardAlarmRadar.getName())
                                    .setAlarmTime(ardAlarmRadar.getAlarmTime())
                                    .setLongitude(ardAlarmRadar.getLongitude())
                                    .setLatitude(ardAlarmRadar.getLatitude())
                                    .setCount(ardAlarmRadar.getCount())
                                    .setTotal(ardAlarmRadar.getTotal());
                            return globalAlarmData;
                        })
                        .collect(Collectors.toList());
            case 1004:
                ardAlarmRadars = ardAlarmRadarMapper.selectListAllByCommand(refreshTime, "热源检测");
                return ardAlarmRadars.stream()
                        .map(ardAlarmRadar -> {
                            GlobalAlarmData globalAlarmData = new GlobalAlarmData()
                                    .setId(ardAlarmRadar.getId())
                                    .setName(ardAlarmRadar.getName())
                                    .setAlarmTime(ardAlarmRadar.getAlarmTime())
                                    .setLongitude(ardAlarmRadar.getLongitude())
                                    .setLatitude(ardAlarmRadar.getLatitude())
                                    .setCount(ardAlarmRadar.getCount())
                                    .setTotal(ardAlarmRadar.getTotal());
                            return globalAlarmData;
                        })
                        .collect(Collectors.toList());
            case 1014:
                List<ArdAlarmTube> ardAlarmTubes = ardAlarmTubeMapper.selectListAllByCommand(refreshTime);
                return ardAlarmTubes.stream()
                        .map(ardAlarmTube -> {
                            GlobalAlarmData globalAlarmData = new GlobalAlarmData()
                                    .setId(ardAlarmTube.getId())
                                    .setName(ardAlarmTube.getTubeName())
                                    .setAlarmTime(ardAlarmTube.getAlarmTime())
                                    .setLongitude(ardAlarmTube.getLongitude())
                                    .setLatitude(ardAlarmTube.getLatitude())
                                    .setAltitude(ardAlarmTube.getAltitude())
                                    .setCount(ardAlarmTube.getCount())
                                    .setTotal(ardAlarmTube.getTotal());
                            return globalAlarmData;
                        })
                        .collect(Collectors.toList());
            default:
                return null;
        }
    }

    /**
     * @描述 历史报警查询
     * @参数 [command, beginTime, endTime, pageNum, pageSize]
     * @返回值 java.lang.Object
     * @创建人 刘苏义
     * @创建时间 2023/6/28 13:30
     * @修改人和其它信息
     */
    @Override
    public Object selectAlarmList(Integer command, String beginTime, String endTime, Integer pageNum, Integer pageSize) {
        Map<String, Object> params = new HashMap<>();
        params.put("beginTime", beginTime);
        params.put("endTime", endTime);
        switch (command) {
            case 1001:
                ArdAlarmStealelec aas = new ArdAlarmStealelec();
                aas.setParams(params);
                aas.setPageNum(pageNum);
                aas.setPageSize(pageSize);
                List<ArdAlarmStealelec> ardAlarmStealelecs = ardAlarmStealelecMapper.selectArdAlarmStealelecList(aas);
                return ardAlarmStealelecs;
            case 1002:
                ArdAlarmCamera aac = new ArdAlarmCamera();
                aac.setParams(params);
                aac.setPageNum(pageNum);
                aac.setPageSize(pageSize);
                List<ArdAlarmCamera> ardAlarmCameras = ardAlarmCameraMapper.selectArdAlarmCameraList(aac);
                return ardAlarmCameras;
            case 1003:
                ArdAlarmRadar aar = new ArdAlarmRadar();
                aar.setParams(params);
                aar.setPageNum(pageNum);
                aar.setPageSize(pageSize);
                aar.setAlarmType("运动目标检测");
                List<ArdAlarmRadar> ardAlarmRadar = ardAlarmRadarMapper.selectArdAlarmRadarList(aar);
                return ardAlarmRadar;
            case 1004:
                ArdAlarmRadar aarr = new ArdAlarmRadar();
                aarr.setParams(params);
                aarr.setPageNum(pageNum);
                aarr.setPageSize(pageSize);
                aarr.setAlarmType("热源检测");
                List<ArdAlarmRadar> ardAlarmRadarr = ardAlarmRadarMapper.selectArdAlarmRadarList(aarr);
                return ardAlarmRadarr;
            case 1014:
                ArdAlarmTube aat = new ArdAlarmTube();
                aat.setParams(params);
                aat.setPageNum(pageNum);
                aat.setPageSize(pageSize);
                List<ArdAlarmTube> ardAlarmTubes = ardAlarmTubeMapper.selectArdAlarmTubeList(aat);
                return ardAlarmTubes;
        }
        return null;
    }

    /**
     * @描述 按条件更新查看时间
     * @参数 [condition]
     * @返回值 java.lang.Object
     * @创建人 刘苏义
     * @创建时间 2023/6/15 15:48
     * @修改人和其它信息
     */
    @Override
    public Object updateAlarmViewTime(GlobalAlarmCondition condition) {
        SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        switch (condition.getCommand()) {
            case 1001:
                ArdAlarmStealelec ardAlarmStealelec = ardAlarmStealelecMapper.selectByPrimaryKey(condition.getId());
                if (StringUtils.isNotNull(ardAlarmStealelec)) {
                    String describe = ardAlarmStealelec.getDescribe();
                    String startTime = fmt.format(ardAlarmStealelec.getStartTime());
                    int i = ardAlarmStealelecMapper.updateViewTimeByDescribe(describe, startTime, DateUtils.getTime());
                    return ardAlarmStealelec;
                }
            case 1014:
                ArdAlarmTube ardAlarmTube = ardAlarmTubeMapper.selectArdAlarmTubeById(condition.getId());
                if (StringUtils.isNotNull(ardAlarmTube)) {
                    String tubeId = ardAlarmTube.getTubeId();
                    String alarmTime = fmt.format(ardAlarmTube.getAlarmTime());
                    int i = ardAlarmTubeMapper.updateViewTimeByTubeId(tubeId, alarmTime, DateUtils.getTime());
                    return ardAlarmTube;
                }
            default:
                return null;
        }
    }

    /**
     * @描述 异步处理接收的报警
     * @参数 [topic, message]
     * @返回值 void
     * @创建人 刘苏义
     * @创建时间 2023/6/15 15:46
     * @修改人和其它信息
     */
    @Override
    @Async("alarmExecutor")
    public void receiveAlarm(String topic, String message) {
        try {
            switch (topic) {
                case "stealelec":
                    //region 处理盗电报警
                    ArdAlarmStealelec ardAlarmStealelec = JSONObject.parseObject(message, ArdAlarmStealelec.class);
                    ArdAlarmStealelec isExiste = ardAlarmStealelecMapper.selectByPrimaryKey(ardAlarmStealelec.getId());
                    if (StringUtils.isNull(isExiste)) {
                        int aas = ardAlarmStealelecMapper.insertArdAlarmStealelec(ardAlarmStealelec);
                        if (aas > 0) {
                            log.info("stealelec入库成功：" + ardAlarmStealelec);
                        }
                    }
                    //endregion
                    break;
                case "tube":
                    //region 处理管线泄露报警
                    ArdAlarmTube ardAlarmTube = JSONObject.parseObject(message, ArdAlarmTube.class);
                    ardAlarmTube.setId(IdUtils.simpleUUID());
                    ArdTubesDetails atd = new ArdTubesDetails();
                    atd.setReelNumber(ardAlarmTube.getTubeId());
                    List<ArdTubesDetails> ardTubesDetails = ardTubesDetailsMapper.selectArdTubesDetailsList(atd);
                    if (ardTubesDetails.size() > 0) {
                        String tubeId = ardTubesDetails.get(0).getTubeId();
                        ArdTubes ardTubes = ardTubesMapper.selectArdTubesById(tubeId);
                        ardAlarmTube.setTubeName(ardTubes.getName());
                        ardAlarmTube.setColor(ardTubes.getColor());
                        ardAlarmTube.setPipeDiameter(ardTubes.getPipeDiameter());
                        ardAlarmTube.setTubeType(ardTubes.getType());
                        ardAlarmTube.setCreateTime(new Date());
                        GeoPoint geoPoint = TubeTools.CalculateCoordinates(ardTubesDetails, ardAlarmTube.getPosition());
                        if (StringUtils.isNotNull(geoPoint)) {
                            ardAlarmTube.setLongitude(geoPoint.getLongitude());
                            ardAlarmTube.setLatitude(geoPoint.getLatitude());
                            ardAlarmTube.setAltitude(geoPoint.getAltitude());
                        }
                    }
                    int aat = ardAlarmTubeMapper.insertArdAlarmTube(ardAlarmTube);
                    if (aat > 0) {
                        log.debug("tube入库成功：" + ardAlarmTube);
                        double[] coordinate=new double[]{ardAlarmTube.getLongitude(),ardAlarmTube.getLatitude()};
                        String nearbyCameraId = getNearbyCamera(new double[]{ardAlarmTube.getLongitude(), ardAlarmTube.getLatitude()});
                        if (StringUtils.isNotEmpty(nearbyCameraId)) {
                            messagesEnqueued(nearbyCameraId, ardAlarmTube.getId(), "sys_tube_leak",ardAlarmTube.getCreateTime(), 1,1,coordinate);
                        }
                    }
                    //endregion
                    break;
                case "camera":
                    //region 处理通用光电报警
                    ArdAlarmCamera ardAlarmCamera = JSONObject.parseObject(message, ArdAlarmCamera.class);
                    ardAlarmCamera.setId(IdUtils.simpleUUID());

                    int aac = ardAlarmCameraMapper.insertArdAlarmCamera(ardAlarmCamera);
                    if (aac > 0) {
                        log.debug("camera入库成功：" + ardAlarmCamera);
                    }
                    //endregion
                    break;
                case "radar":
                    //region 处理雷达报警
                    RadarAlarmData radarAlarmData = JSONObject.parseObject(message, RadarAlarmData.class);
                    List<ArdAlarmRadar> ardAlarmRadars = radarAlarmData.getArdAlarmRadars();
                    for (ArdAlarmRadar ardAlarmRadar : ardAlarmRadars) {
                        String uuid = IdUtils.simpleUUID();
                        ardAlarmRadar.setId(uuid);//报警ID
                        ardAlarmRadar.setAlarmTime(radarAlarmData.getAlarmTime());//报警时间
                        String alarmpointName = ardAlarmRadar.getName();//兴趣点名称
                        ardAlarmRadar.setName(ardAlarmRadar.getName() + "(" + radarAlarmData.getRadarName() + ")");//报警点名称
                        ardAlarmRadar.setCreateTime(new Date());//接收时间
                        double[] coordinate=new double[]{ardAlarmRadar.getLongitude(),ardAlarmRadar.getLatitude()};//报警坐标
                        String alarmType = "";
                        switch (ardAlarmRadar.getAlarmType()) {
                            case "运动目标检测":
                                alarmType = "sys_radar_move";
                                break;
                            case "热源检测":
                                alarmType = "sys_radar_fire";
                                break;
                        }
                        //判断当前报警点5分钟内是否已引导
                        ardAlarmRadar.setGuideFlag(1);
                        ArdAlarmRadar AlarmRadar = ardAlarmRadarMapper.getArdAlarmRadarWithGuide(ardAlarmRadar);
                        if (StringUtils.isNull(AlarmRadar)) {
                            //5分钟内未引导直接入库
                            ardAlarmRadarMapper.insertArdAlarmRadar(ardAlarmRadar);
                            //获取雷达所在塔上的大光电
                            String cameraIdWithTower = ardAlarmRadarMapper.getCameraByRadar(radarAlarmData.getRadarId());
                            if (StringUtils.isNotNull(cameraIdWithTower) && StringUtils.isNotEmpty(cameraIdWithTower)) {
                                log.info("获取到雷达塔上的光电:"+cameraIdWithTower);
                                //如果雷达塔上有光电
                                messagesEnqueued(cameraIdWithTower, uuid, alarmType, ardAlarmRadar.getCreateTime(),1,1,coordinate);
                            }
                            //获取报警点关联的大光电
                            ArdAlarmpointsWell ardAlarmpointsWell = ardAlarmpointsWellMapper.selectArdAlarmpointsWellByWellId(alarmpointName);
                            if(StringUtils.isNotNull(ardAlarmpointsWell) && StringUtils.isNotEmpty(ardAlarmpointsWell.getCameraId()))
                            {

                                String cameraId = ardAlarmpointsWell.getCameraId();
                                log.info("获取到报警点关联的光电:"+cameraId);
                                //如果报警点关联了光电
                                messagesEnqueued(cameraId, uuid, alarmType,ardAlarmRadar.getCreateTime(), 1,2,coordinate);
                            }
                        } else {
                            //5分钟内有引导
                            ardAlarmRadar.setGuideFlag(0);
                            int count = ardAlarmRadarMapper.getArdAlarmRadarWithNotGuide(ardAlarmRadar, AlarmRadar.getCreateTime());
                            //未引导超过3次，直接入库入队
                            if (count >= 3) {
                                ardAlarmRadar.setGuideFlag(1);
                                ardAlarmRadarMapper.insertArdAlarmRadar(ardAlarmRadar);

                                //获取雷达所在塔上的大光电
                                String cameraIdWithTower = ardAlarmRadarMapper.getCameraByRadar(radarAlarmData.getRadarId());
                                if (StringUtils.isNotNull(cameraIdWithTower) && StringUtils.isNotEmpty(cameraIdWithTower)) {
                                    log.info("获取到雷达塔上的光电:"+cameraIdWithTower);
                                    //如果雷达塔上有光电
                                    messagesEnqueued(cameraIdWithTower, uuid, alarmType,ardAlarmRadar.getCreateTime(), count,1,coordinate);
                                }
                                //获取报警点关联的大光电
                                ArdAlarmpointsWell ardAlarmpointsWell = ardAlarmpointsWellMapper.selectArdAlarmpointsWellByWellId(alarmpointName);
                                if(StringUtils.isNotNull(ardAlarmpointsWell) && StringUtils.isNotEmpty(ardAlarmpointsWell.getCameraId()))
                                {
                                    String cameraId = ardAlarmpointsWell.getCameraId();
                                    log.info("获取到报警点关联的光电:"+cameraId);
                                    //如果报警点关联了光电
                                    messagesEnqueued(cameraId, uuid, alarmType,ardAlarmRadar.getCreateTime(), count,2,coordinate);
                                }
                            } else {
                                //未引导未超过3次，直接入库
                                ardAlarmRadarMapper.insertArdAlarmRadar(ardAlarmRadar);
                            }
                        }
                    }
                    //endregion
                    break;
            }
        } catch (Exception ex) {
            log.error("接收报警异常:" + ex.getMessage());
        }
    }

    /**
     * 消息入队
     *
     * cameraId 相机ID
     * alarmId  报警ID
     * alarmType 报警类型
     * num  报警次数
     * recordSn 录像存储位置 1-recordUrl1 2-recordUrl2
     * targetPosition 报警点位置坐标
     */
    private void messagesEnqueued(String cameraId, String alarmId, String alarmType,Date receiveTime, Integer num, Integer recordSn,double[] targetPosition) {
        SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
        GuideTask guideTask = new GuideTask();
        //相机ID
        guideTask.setCameraId(cameraId);
        //报警类型
        guideTask.setAlarmType(alarmType);
        //通道(通过日夜时间研判)
        String dayNightTime = redisCache.getCacheObject("sys_config:dayNightTime");
        Integer channel = ArdTool.getChannelBydayNightTime(dayNightTime);
        guideTask.setChanNum(channel);
        //报警ID
        guideTask.setAlarmId(alarmId);
        //接收时间
        guideTask.setReceiveTime(fmt.format(receiveTime));
        //报警优先级(通过优先级字典)
        Integer priority = CamPriority.priorityMap.get(alarmType);
        guideTask.setPriority(priority);
        //报警次数
        guideTask.setNum(num);
        //录像存储位置
        guideTask.setRecordSn(recordSn);
        //目标经纬度
        guideTask.setTargetPosition(targetPosition);
        //消息入队
        queueManager.addTaskToQueue(cameraId, guideTask);
        //打印队列
        GuidePriorityQueue.printPriorityQueue();
    }

    /**
     * 获取附近开启报警引导功能光电
     */
    private String getNearbyCamera(double[] targetPosition) {
        String minDistanceCameraId = "";
        //获取所有大光电
        List<ArdCameras> ardCamerasList = ardCamerasMapper.selectArdCamerasList(new ArdCameras("1"));
        //统计所有大光电可视范围内与报警点的距离
        Map<String, Double> distanceMap = new HashMap<>();
        Map<String, Integer> guideMap = new HashMap<>();
        for (ArdCameras camera : ardCamerasList) {
            double[] camPosition = new double[]{camera.getLongitude(), camera.getLatitude()};
            double distance = GisTool.getDistance(targetPosition, camPosition);
            if (distance != 0.0 && distance <= camera.getCamMaxVisibleDistance()) {
                distanceMap.put(camera.getId(), distance);
                if (StringUtils.isNull(camera.getCamAlarmGuideEnable())) {
                    camera.setCamAlarmGuideEnable(0);
                }
                guideMap.put(camera.getId(), camera.getCamAlarmGuideEnable());
            }
        }
        if (distanceMap.size() > 0) {
            log.debug("尝试查找最近光电");
            //获取距离字典中最近的一个相机ID
            minDistanceCameraId = ArdTool.getKeyByMinValue(distanceMap);
            log.debug("查找到最近光电:" + minDistanceCameraId);
            if (guideMap.get(minDistanceCameraId).equals(0)) {
                log.debug("该光电未开启报警引导");
                return " ";
            }
        }
        return minDistanceCameraId;
    }

}