package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;

import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.*;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
import com.genersoft.iot.vmp.gb28181.utils.NumericUtil;
import com.genersoft.iot.vmp.service.IDeviceChannelService;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import com.genersoft.iot.vmp.utils.DateUtil;
import gov.nist.javax.sip.message.SIPRequest;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;

import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.SipException;
import javax.sip.message.Response;
import java.text.ParseException;
import java.util.concurrent.ConcurrentLinkedQueue;

import static com.genersoft.iot.vmp.gb28181.utils.XmlUtil.getText;

/**
 * 移动设备位置数据通知，设备主动发起，不需要上级订阅
 */
@Component
public class MobilePositionNotifyMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {

    private Logger logger = LoggerFactory.getLogger(MobilePositionNotifyMessageHandler.class);
    private final String cmdType = "MobilePosition";

    @Autowired
    private NotifyMessageHandler notifyMessageHandler;

    @Autowired
    private UserSetting userSetting;

    @Autowired
    private IVideoManagerStorage storager;

    @Autowired
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IDeviceChannelService deviceChannelService;

    private ConcurrentLinkedQueue<SipMsgInfo> taskQueue = new ConcurrentLinkedQueue<>();

    @Qualifier("taskExecutor")
    @Autowired
    private ThreadPoolTaskExecutor taskExecutor;

    @Override
    public void afterPropertiesSet() throws Exception {
        notifyMessageHandler.addHandler(cmdType, this);
    }

    @Override
    public void handForDevice(RequestEvent evt, Device device, Element rootElement) {

        boolean isEmpty = taskQueue.isEmpty();
        taskQueue.offer(new SipMsgInfo(evt, device, rootElement));
        // 回复200 OK
        try {
            responseAck((SIPRequest) evt.getRequest(), Response.OK);
        } catch (SipException | InvalidArgumentException | ParseException e) {
            logger.error("[命令发送失败] 移动位置通知回复: {}", e.getMessage());
        }
        if (isEmpty) {
            taskExecutor.execute(() -> {
                while (!taskQueue.isEmpty()) {
                    SipMsgInfo sipMsgInfo = taskQueue.poll();
                    try {
                        Element rootElementAfterCharset = getRootElement(sipMsgInfo.getEvt(), sipMsgInfo.getDevice().getCharset());
                        if (rootElementAfterCharset == null) {
                            logger.warn("[移动位置通知] {}处理失败，未识别到信息体", device.getDeviceId());
                            continue;
                        }
                        MobilePosition mobilePosition = new MobilePosition();
                        mobilePosition.setCreateTime(DateUtil.getNow());
                        if (!ObjectUtils.isEmpty(sipMsgInfo.getDevice().getName())) {
                            mobilePosition.setDeviceName(sipMsgInfo.getDevice().getName());
                        }
                        mobilePosition.setDeviceId(sipMsgInfo.getDevice().getDeviceId());
                        mobilePosition.setChannelId(getText(rootElementAfterCharset, "DeviceID"));
                        mobilePosition.setTime(getText(rootElementAfterCharset, "Time"));
                        mobilePosition.setLongitude(Double.parseDouble(getText(rootElementAfterCharset, "Longitude")));
                        mobilePosition.setLatitude(Double.parseDouble(getText(rootElementAfterCharset, "Latitude")));
                        if (NumericUtil.isDouble(getText(rootElementAfterCharset, "Speed"))) {
                            mobilePosition.setSpeed(Double.parseDouble(getText(rootElementAfterCharset, "Speed")));
                        } else {
                            mobilePosition.setSpeed(0.0);
                        }
                        if (NumericUtil.isDouble(getText(rootElementAfterCharset, "Direction"))) {
                            mobilePosition.setDirection(Double.parseDouble(getText(rootElementAfterCharset, "Direction")));
                        } else {
                            mobilePosition.setDirection(0.0);
                        }
                        if (NumericUtil.isDouble(getText(rootElementAfterCharset, "Altitude"))) {
                            mobilePosition.setAltitude(Double.parseDouble(getText(rootElementAfterCharset, "Altitude")));
                        } else {
                            mobilePosition.setAltitude(0.0);
                        }
                        mobilePosition.setReportSource("Mobile Position");


                        // 更新device channel 的经纬度
                        DeviceChannel deviceChannel = new DeviceChannel();
                        deviceChannel.setDeviceId(sipMsgInfo.getDevice().getDeviceId());
                        deviceChannel.setChannelId(mobilePosition.getChannelId());
                        deviceChannel.setLongitude(mobilePosition.getLongitude());
                        deviceChannel.setLatitude(mobilePosition.getLatitude());
                        deviceChannel.setGpsTime(mobilePosition.getTime());

                        deviceChannel = deviceChannelService.updateGps(deviceChannel, sipMsgInfo.getDevice());

                        mobilePosition.setLongitudeWgs84(deviceChannel.getLongitudeWgs84());
                        mobilePosition.setLatitudeWgs84(deviceChannel.getLatitudeWgs84());
                        mobilePosition.setLongitudeGcj02(deviceChannel.getLongitudeGcj02());
                        mobilePosition.setLatitudeGcj02(deviceChannel.getLatitudeGcj02());

                        if (userSetting.getSavePositionHistory()) {
                            storager.insertMobilePosition(mobilePosition);
                        }
                        storager.updateChannelPosition(deviceChannel);

                        // 发送redis消息。 通知位置信息的变化
                        JSONObject jsonObject = new JSONObject();
                        jsonObject.put("time", mobilePosition.getTime());
                        jsonObject.put("serial", deviceChannel.getDeviceId());
                        jsonObject.put("code", deviceChannel.getChannelId());
                        jsonObject.put("longitude", mobilePosition.getLongitude());
                        jsonObject.put("latitude", mobilePosition.getLatitude());
                        jsonObject.put("altitude", mobilePosition.getAltitude());
                        jsonObject.put("direction", mobilePosition.getDirection());
                        jsonObject.put("speed", mobilePosition.getSpeed());
                        redisCatchStorage.sendMobilePositionMsg(jsonObject);

                    } catch (DocumentException e) {
                        e.printStackTrace();
                    } catch (Exception e) {
                        logger.warn("[移动位置通知] 发现未处理的异常, {}\r\n{}",e.getMessage(), evt.getRequest());
                    }
                }
            });
        }
    }

    @Override
    public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {

    }
}