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

import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import org.dom4j.Element;
import org.springframework.beans.factory.annotation.Autowired;

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

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

public abstract class MessageHandlerAbstract extends SIPRequestProcessorParent implements IMessageHandler{

    public Map<String, IMessageHandler> messageHandlerMap = new ConcurrentHashMap<>();

    public void addHandler(String cmdType, IMessageHandler messageHandler) {
        messageHandlerMap.put(cmdType, messageHandler);
    }

    @Override
    public void handForDevice(RequestEvent evt, Device device, Element element) {
        String cmd = getText(element, "CmdType");
        if (cmd == null) {
            handNullCmd(evt);
            return;
        }
        IMessageHandler messageHandler = messageHandlerMap.get(cmd);
        if (messageHandler != null) {
            messageHandler.handForDevice(evt, device, element);
        }
    }

    @Override
    public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
        String cmd = getText(element, "CmdType");
        IMessageHandler messageHandler = messageHandlerMap.get(cmd);
        if (messageHandler != null) {
            messageHandler.handForPlatform(evt, parentPlatform, element);
        }
    }

    public void handNullCmd(RequestEvent evt){
        try {
            responseAck(evt, Response.OK);
        } catch (SipException e) {
            throw new RuntimeException(e);
        } catch (InvalidArgumentException e) {
            throw new RuntimeException(e);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
        return;
    }
}