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

import com.genersoft.iot.vmp.common.VideoManagerConstants;
import com.genersoft.iot.vmp.conf.SipConfig;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
import com.genersoft.iot.vmp.gb28181.event.DeviceOffLineDetector;
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
import com.genersoft.iot.vmp.gb28181.session.CatalogDataCatch;
import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
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.response.ResponseMessageHandler;
import com.genersoft.iot.vmp.gb28181.utils.NumericUtil;
import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
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.stereotype.Component;

import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.SipException;
import javax.sip.message.Response;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

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

@Component
public class CatalogResponseMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {

    private Logger logger = LoggerFactory.getLogger(CatalogResponseMessageHandler.class);
    private final String cmdType = "Catalog";

    private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @Autowired
    private ResponseMessageHandler responseMessageHandler;

    @Autowired
    private IVideoManagerStorager storager;

    @Autowired
    private DeferredResultHolder deferredResultHolder;

    @Autowired
    private CatalogDataCatch catalogDataCatch;

    @Autowired
    private DeviceOffLineDetector offLineDetector;

    @Autowired
    private SipConfig config;

    @Autowired
    private EventPublisher publisher;

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

    @Override
    public void handForDevice(RequestEvent evt, Device device, Element element) {
        String key = DeferredResultHolder.CALLBACK_CMD_CATALOG + device.getDeviceId();
        Element rootElement = null;
        try {
            rootElement = getRootElement(evt, device.getCharset());
            Element deviceListElement = rootElement.element("DeviceList");
            Element sumNumElement = rootElement.element("SumNum");
            if (sumNumElement == null || deviceListElement == null) {
                responseAck(evt, Response.BAD_REQUEST, "xml error");
                return;
            }
            int sumNum = Integer.parseInt(sumNumElement.getText());
            Iterator<Element> deviceListIterator = deviceListElement.elementIterator();
            if (deviceListIterator != null) {
                List<DeviceChannel> channelList = new ArrayList<>();
                // 遍历DeviceList
                while (deviceListIterator.hasNext()) {
                    Element itemDevice = deviceListIterator.next();
                    Element channelDeviceElement = itemDevice.element("DeviceID");
                    if (channelDeviceElement == null) {
                        continue;
                    }
                    DeviceChannel deviceChannel = XmlUtil.channelContentHander(itemDevice);
                    deviceChannel.setDeviceId(device.getDeviceId());
                    logger.debug("收到来自设备【{}】的通道: {}【{}】", device.getDeviceId(), deviceChannel.getName(), deviceChannel.getChannelId());
                    channelList.add(deviceChannel);
                }

                catalogDataCatch.put(key, sumNum, device, channelList);
                if (catalogDataCatch.get(key).size() == sumNum) {
                    // 数据已经完整接收
                    boolean resetChannelsResult = storager.resetChannels(device.getDeviceId(), catalogDataCatch.get(key));
                    RequestMessage msg = new RequestMessage();
                    msg.setKey(key);
                    WVPResult<Object> result = new WVPResult<>();
                    result.setCode(0);
                    result.setData(device);
                    if (resetChannelsResult) {
                        result.setMsg("更新成功，共" + sumNum + "条，已更新" + catalogDataCatch.get(key).size() + "条");
                    }else {
                        result.setMsg("接收成功，写入失败，共" + sumNum + "条，已接收" + catalogDataCatch.get(key).size() + "条");
                    }
                    msg.setData(result);
                    deferredResultHolder.invokeAllResult(msg);
                    catalogDataCatch.del(key);
                }

                // 回复200 OK
                responseAck(evt, Response.OK);
                if (offLineDetector.isOnline(device.getDeviceId())) {
                    publisher.onlineEventPublish(device, VideoManagerConstants.EVENT_ONLINE_MESSAGE);
                }
            }
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        } catch (SipException e) {
            e.printStackTrace();
        }
    }

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

    }
}