package com.ard.gb28181.transmit.event.request.impl.message.response.cmd;

import com.ard.gb28181.api.domain.Device;
import com.ard.gb28181.domain.GbDevice;
import com.ard.gb28181.service.IDeviceService;
import com.ard.gb28181.service.IGbDeviceService;
import com.ard.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.ard.gb28181.transmit.event.request.impl.message.IMessageHandler;
import com.ard.gb28181.transmit.event.request.impl.message.response.ResponseMessageHandler;
import com.ard.gb28181.api.utils.XmlUtil;
import gov.nist.javax.sip.message.SIPRequest;
import lombok.extern.slf4j.Slf4j;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
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;

/**
 * @author lin
 */
@Slf4j
@Component
public class DeviceInfoResponseMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {

    private final String cmdType = "DeviceInfo";

    @Autowired
    private ResponseMessageHandler responseMessageHandler;


    @Autowired
    private IDeviceService deviceService;

    @Autowired
    private IGbDeviceService gbDeviceService;

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

    @Override
    public void handForDevice(RequestEvent evt, Device device, Element rootElement) {
        log.debug("接收到DeviceInfo应答消息");
        // 检查设备是否存在， 不存在则不回复
        if (device == null || !device.isOnLine()) {
            log.warn("[接收到DeviceInfo应答消息,但是设备已经离线]：" + (device != null ? device.getDeviceId() : ""));
            return;
        }
        SIPRequest request = (SIPRequest) evt.getRequest();
        try {
            rootElement = getRootElement(evt, device.getCharset());

            if (rootElement == null) {
                log.warn("[ 接收到DeviceInfo应答消息 ] content cannot be null, {}", evt.getRequest());
                try {
                    responseAck((SIPRequest) evt.getRequest(), Response.BAD_REQUEST);
                } catch (SipException | InvalidArgumentException | ParseException e) {
                    log.error("[命令发送失败] DeviceInfo应答消息 BAD_REQUEST: {}", e.getMessage());
                }
                return;
            }
            device.setName(XmlUtil.getText(rootElement, "DeviceName"));

            device.setManufacturer(XmlUtil.getText(rootElement, "Manufacturer"));
            device.setModel(XmlUtil.getText(rootElement, "Model"));
            device.setFirmware(XmlUtil.getText(rootElement, "Firmware"));
            if (ObjectUtils.isEmpty(device.getStreamMode())) {
                device.setStreamMode("TCP-PASSIVE");
            }
            deviceService.updateDevice(device);
            // 同步更新 ard_gb_device 表中的设备名称、IP、端口、厂商、型号、固件
            try {
                GbDevice gbDevice = gbDeviceService.selectGbDeviceByGbDeviceId(device.getDeviceId());
                if (gbDevice != null) {
                    boolean needUpdate = false;
                    if (device.getName() != null && !device.getName().equals(gbDevice.getDeviceName())) {
                        gbDevice.setDeviceName(device.getName());
                        needUpdate = true;
                    }
                    if (device.getIp() != null && !device.getIp().equals(gbDevice.getIp())) {
                        gbDevice.setIp(device.getIp());
                        needUpdate = true;
                    }
                    if (gbDevice.getPort() == null || device.getPort() != gbDevice.getPort()) {
                        gbDevice.setPort(device.getPort());
                        needUpdate = true;
                    }
                    if (device.getManufacturer() != null && !device.getManufacturer().equals(gbDevice.getManufacturer())) {
                        gbDevice.setManufacturer(device.getManufacturer());
                        needUpdate = true;
                    }
                    if (device.getModel() != null && !device.getModel().equals(gbDevice.getModel())) {
                        gbDevice.setModel(device.getModel());
                        needUpdate = true;
                    }
                    if (device.getFirmware() != null && !device.getFirmware().equals(gbDevice.getFirmware())) {
                        gbDevice.setFirmware(device.getFirmware());
                        needUpdate = true;
                    }
                    if (needUpdate) {
                        gbDeviceService.updateGbDevice(gbDevice);
                        log.info("[DeviceInfo] 更新设备信息: {} -> name={}, ip={}, port={}, manufacturer={}, model={}, firmware={}",
                                device.getDeviceId(), device.getName(), device.getIp(), device.getPort(),
                                device.getManufacturer(), device.getModel(), device.getFirmware());
                    }
                }
            } catch (Exception e) {
                log.error("[DeviceInfo] 更新GbDevice信息失败: {}", device.getDeviceId(), e);
            }
            responseMessageHandler.handMessageEvent(rootElement, device);

        } catch (DocumentException e) {
            throw new RuntimeException(e);
        }
        try {
            // 回复200 OK
            responseAck(request, Response.OK);
        } catch (SipException | InvalidArgumentException | ParseException e) {
            log.error("[命令发送失败] DeviceInfo应答消息 200: {}", e.getMessage());
        }

    }
}