package com.netsdk.demo.customize;

import com.netsdk.demo.util.CaseMenu;
import com.netsdk.lib.NetSDKLib;
import com.netsdk.lib.ToolKits;
import com.netsdk.lib.callback.impl.DefaultDisconnectCallback;
import com.netsdk.lib.callback.impl.DefaultHaveReconnectCallBack;
import com.netsdk.lib.structure.*;
import com.sun.jna.Memory;
import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;

import static com.netsdk.lib.NetSDKLib.*;
import static com.netsdk.lib.Utils.getOsPrefix;

/**
 * @author 291189
 * @version 1.0
 * @description ERR240221159
 * @date 2024/2/22 10:41
 */
public class AsgFollowingDemo {
    // SDk对象初始化
    public static final NetSDKLib netsdk = NetSDKLib.NETSDK_INSTANCE;
    public static final NetSDKLib configsdk = NetSDKLib.CONFIG_INSTANCE;

    // 判断是否初始化
    private static boolean bInit = false;
    // 判断log是否打开
    private static boolean bLogOpen = false;
    // 设备信息
    private NetSDKLib.NET_DEVICEINFO_Ex deviceInfo = new NetSDKLib.NET_DEVICEINFO_Ex();
    // 登录句柄
    private NetSDKLib.LLong m_hLoginHandle = new NetSDKLib.LLong(0);
    //订阅句柄
    private NetSDKLib.LLong attachHandle = new NetSDKLib.LLong(0);


    // 回调函数需要是静态的，防止被系统回收
    // 断线回调
    private static NetSDKLib.fDisConnect disConnectCB = DefaultDisconnectCallback.getINSTANCE();
    // 重连回调
    private static NetSDKLib.fHaveReConnect haveReConnectCB = DefaultHaveReconnectCallBack.getINSTANCE();


    // 编码格式
    public static String encode;

    static {
        String osPrefix = getOsPrefix();
        if (osPrefix.toLowerCase().startsWith("win32-amd64")) {
            encode = "GBK";
        } else if (osPrefix.toLowerCase().startsWith("linux-amd64")) {
            encode = "UTF-8";
        }
    }

    /**
     * 获取当前时间
     */
    public static String GetDate() {
        SimpleDateFormat simpleDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return simpleDate.format(new java.util.Date()).replaceAll("[^0-9]", "-");
    }

    /**
     * 初始化SDK库
     */
    public static boolean Init() {
        bInit = netsdk.CLIENT_Init(disConnectCB, null);// 进程启动时，初始化一次
        if (!bInit) {
            System.out.println("Initialize SDK failed");
            return false;
        }
        // 配置日志
        AsgFollowingDemo.enableLog();

        // 设置断线重连回调接口, 此操作为可选操作，但建议用户进行设置
        netsdk.CLIENT_SetAutoReconnect(haveReConnectCB, null);

        // 设置登录超时时间和尝试次数，可选
        // 登录请求响应超时时间设置为3S
        int waitTime = 3000;
        // 登录时尝试建立链接 1 次
        int tryTimes = 1;
        netsdk.CLIENT_SetConnectTime(waitTime, tryTimes);
        // 设置更多网络参数， NET_PARAM 的nWaittime ， nConnectTryNum 成员与 CLIENT_SetConnectTime
        // 接口设置的登录设备超时时间和尝试次数意义相同,可选
        NetSDKLib.NET_PARAM netParam = new NetSDKLib.NET_PARAM();
        // 登录时尝试建立链接的超时时间
        netParam.nConnectTime = 10000;
        // 设置子连接的超时时间
        netParam.nGetConnInfoTime = 3000;
        netsdk.CLIENT_SetNetworkParam(netParam);
        return true;
    }

    /**
     * 打开 sdk log
     */
    private static void enableLog() {
        NetSDKLib.LOG_SET_PRINT_INFO setLog = new NetSDKLib.LOG_SET_PRINT_INFO();
        File path = new File("sdklog/");
        if (!path.exists())
            path.mkdir();

        // 这里的log保存地址依据实际情况自己调整
        String logPath = path.getAbsoluteFile().getParent() + "\\sdklog\\" + "sdklog" + GetDate() + ".log";
        setLog.nPrintStrategy = 0;
        setLog.bSetFilePath = 1;
        System.arraycopy(logPath.getBytes(), 0, setLog.szLogFilePath, 0, logPath.getBytes().length);
        System.out.println(logPath);
        setLog.bSetPrintStrategy = 1;
        bLogOpen = netsdk.CLIENT_LogOpen(setLog);
        if (!bLogOpen)
            System.err.println("Failed to open NetSDK log");
    }

    /**
     * 高安全登录
     */
    public void loginWithHighLevel() {
        // 输入结构体参数
        NetSDKLib.NET_IN_LOGIN_WITH_HIGHLEVEL_SECURITY pstlnParam = new NetSDKLib.NET_IN_LOGIN_WITH_HIGHLEVEL_SECURITY() {
            {
                szIP = m_strIpAddr.getBytes();
                nPort = m_nPort;
                szUserName = m_strUser.getBytes();
                szPassword = m_strPassword.getBytes();
            }
        };
        // 输出结构体参数
        NetSDKLib.NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY pstOutParam = new NetSDKLib.NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY();

        // 写入sdk
        m_hLoginHandle = netsdk.CLIENT_LoginWithHighLevelSecurity(pstlnParam, pstOutParam);
        if (m_hLoginHandle.longValue() == 0) {
            System.err.printf("Login Device[%s] Port[%d]Failed. %s\n", m_strIpAddr, m_nPort,
                    ToolKits.getLastError());
        } else {
            deviceInfo = pstOutParam.stuDeviceInfo; // 获取设备信息
            System.out.println("Login Success");
            System.out.println("Device Address：" + m_strIpAddr);
            System.out.println("设备包含：" + deviceInfo.byChanNum + "个通道");
        }
    }

    /**
     * 退出
     */
    public void logOut() {
        if (m_hLoginHandle.longValue() != 0) {
            netsdk.CLIENT_Logout(m_hLoginHandle);
            System.out.println("LogOut Success");
        }
    }

    /**
     * 清理sdk环境并退出
     */
    public static void cleanAndExit() {
        if (bLogOpen) {
            netsdk.CLIENT_LogClose(); // 关闭sdk日志打印
        }
        netsdk.CLIENT_Cleanup(); // 进程关闭时，调用一次
        System.exit(0);
    }


    public static Pointer GetStringToPointer(String src, String charset) {
        Pointer pointer = null;
        try {
            byte[] b = src.getBytes(charset);

            pointer = new Memory(b.length + 1);
            pointer.clear(b.length + 1);

            pointer.write(0, b, 0, b.length);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return pointer;
    }



    int channel=-1;

    /**
     * 订阅智能任务
     */
    public void AttachEventRealLoadPic() {
        // 先退订，设备不会对重复订阅作校验，重复订阅后会有重复的事件返回
        this.DetachEventRealLoadPic();
        // 需要图片
        int bNeedPicture = 1;
        attachHandle = netsdk.CLIENT_RealLoadPictureEx(m_hLoginHandle, channel, NetSDKLib.EVENT_IVS_ALL, bNeedPicture,
                AnalyzerDataCB.getInstance(), null, null);
        if (attachHandle.longValue() != 0) {
            System.out.printf("Chn[%d] CLIENT_RealLoadPictureEx Success\n", channel);
        } else {
            System.out.printf("Ch[%d] CLIENT_RealLoadPictureEx Failed!LastError = %s\n", channel,
                    ToolKits.getErrorCode());
        }
    }

    /**
     * 报警事件（智能）回调
     */
    private static class AnalyzerDataCB implements NetSDKLib.fAnalyzerDataCallBack {
        private final File picturePath;
        private static AnalyzerDataCB instance;
        int i = 1;

        private AnalyzerDataCB() {
            picturePath = new File("./AnalyzerPicture/");
            if (!picturePath.exists()) {
                picturePath.mkdirs();
            }
        }

        public static AnalyzerDataCB getInstance() {
            if (instance == null) {
                synchronized (AnalyzerDataCB.class) {
                    if (instance == null) {
                        instance = new AnalyzerDataCB();
                    }
                }
            }
            return instance;
        }

        public int invoke(NetSDKLib.LLong lAnalyzerHandle, int dwAlarmType, Pointer pAlarmInfo, Pointer pBuffer, int dwBufSize,
                          Pointer dwUser, int nSequence, Pointer reserved) {
            if (lAnalyzerHandle == null || lAnalyzerHandle.longValue() == 0) {
                return -1;
            }

            switch (dwAlarmType) {
                case EVENT_IVS_TAILDETECTION: {// //尾随事件(对应 DEV_EVENT_TAIL_INFO)
                    System.out.println("尾随事件");
                    DEV_EVENT_TAIL_INFO msg=new DEV_EVENT_TAIL_INFO();
                    ToolKits.GetPointerData(pAlarmInfo, msg);
                    /**
                     * 通道号
                     */
                    int nChannelID = msg.nChannelID;
                    System.out.println("通道号:"+nChannelID);
                    /**
                     * 事件名称
                     */
                    byte[] szName = msg.szName;
                    try {
                        System.out.println("事件名称:"+new String(szName,encode));
                    } catch (UnsupportedEncodingException e) {
                        e.printStackTrace();
                    }

                    /**
                     * 事件发生的时间
                     */
                     NetSDKLib.NET_TIME_EX UTC =msg.UTC;
                    System.out.println("事件发生的时间:"+UTC.toStringTime());
                    /**
                     * 图片信息个数
                     */
                    int nImageInfoNum = msg.nImageInfoNum;
                    System.out.println("图片信息个数:"+nImageInfoNum);



                    /**
                     * 图片信息数组 {@link com.netsdk.lib.structure.NET_IMAGE_INFO_EX3}
                     */
                    Pointer pstuImageInfo = msg.pstuImageInfo;

                    NET_IMAGE_INFO_EX3[]   images= new NET_IMAGE_INFO_EX3[nImageInfoNum];
                    for(int i=0;i<images.length;i++){
                        images[i]=new NET_IMAGE_INFO_EX3();
                    }

                    ToolKits.GetPointerDataToStructArr(pstuImageInfo,images);

                    for(int i=0;i<images.length;i++){
                        NET_IMAGE_INFO_EX3 image = images[i];
                        if (image != null && image.nLength > 0) {
                            String picture = picturePath + "/" + System.currentTimeMillis() + "_TAILDETECTION.jpg";
                            ToolKits.savePicture(pBuffer, image.nOffset, image.nLength, picture);
                        }
                    }

                    if(nImageInfoNum==0){
                        String picture = picturePath + "/" + System.currentTimeMillis() + "_TAILDETECTION.jpg";

                        ToolKits.savePicture(pBuffer, 0, dwBufSize, picture);
                    }

                    break;
                }

                default:
                    System.out.println("其他事件--------------------" + dwAlarmType);
                    break;
            }
            return 0;
        }
    }

    /**
     * 停止侦听智能事件
     */
    public void DetachEventRealLoadPic() {
        if (attachHandle.longValue() != 0) {
            netsdk.CLIENT_StopLoadPic(attachHandle);
        }
    }

    /**
     * 订阅任务， start listen
     */
    public void AttachEventStartListen() {

        /// 订阅回调
        netsdk.CLIENT_SetDVRMessCallBack(MessCallBack.getInstance(), null);

        boolean bRet = netsdk.CLIENT_StartListenEx(m_hLoginHandle);

        if (bRet) {
            System.out.println("CLIENT_StartListenEx success.");
        } else {
            System.out.printf("CLIENT_StartListenEx fail, error:%s\n", ToolKits.getErrorCode());
        }
    }

    /**
     * 退订任务， stop listen
     */
    public void DetachEventStopListen() {
        boolean bRet = netsdk.CLIENT_StopListen(m_hLoginHandle);
        if (bRet) {
            System.out.println("CLIENT_StopListen success");
        } else {
            System.out.printf("CLIENT_StopListen fail, error:%s\n", ToolKits.getErrorCode());
        }
    }


    private static class MessCallBack implements NetSDKLib.fMessCallBack {

        private static MessCallBack instance;

        private MessCallBack() {
        }

        public static MessCallBack getInstance() {
            if (instance == null) {
                synchronized (MessCallBack.class) {
                    if (instance == null) {
                        instance = new MessCallBack();
                    }
                }
            }
            return instance;
        }

        public boolean invoke(int lCommand, final NetSDKLib.LLong lLoginID,
                              Pointer pStuEvent, int dwBufLen, String strDeviceIP,
                              NativeLong nDevicePort, Pointer dwUser) {


            if (pStuEvent == null || dwBufLen <= 0) {
                return false;
            }
            /// 具体事件类,
            switch (lCommand) {
                case NET_ALARM_ASGFOLLOWING: { //闸机尾随报警事件( 对应结构体 ALARM_ASGFOLLOWING_INFO )
                    System.out.println("闸机尾随报警事件");
                    ALARM_ASGFOLLOWING_INFO msg=new ALARM_ASGFOLLOWING_INFO();
                    ToolKits.GetPointerData(pStuEvent, msg);
                    /**
                     * 0:脉冲 1:开始 2:停止
                     */
                    System.out.println(msg.nAction);
                    /**
                     * 通道号
                     */
                    int nChannelID = msg.nChannelID;
                    System.out.println("通道号:"+nChannelID);


                    /**
                     * 事件发生的时间
                     */
                    NetSDKLib.NET_TIME_EX UTC =msg.UTC;
                    System.out.println("事件发生的时间:"+UTC.toStringTime());

                    break;
                }
                case NET_ALARM_ASGCLIMBOVER: {  //闸机翻越报警事件( 对应结构体 ALARM_ASGCLIMBOVER_INFO )
                    System.out.println("闸机翻越报警事件");
                    ALARM_ASGCLIMBOVER_INFO msg=new ALARM_ASGCLIMBOVER_INFO();
                    ToolKits.GetPointerData(pStuEvent, msg);

                    /**
                     * 0:脉冲 1:开始 2:停止
                     */
                    System.out.println(msg.nAction);

                    /**
                     * 通道号
                     */
                    int nChannelID = msg.nChannelID;
                    System.out.println("通道号:"+nChannelID);

                    /**
                     * 事件发生的时间
                     */
                    NetSDKLib.NET_TIME_EX UTC =msg.UTC;
                    System.out.println("事件发生的时间:"+UTC.toStringTime());


                    break;
                }

                default:
                    System.out.println("lCommand:"+lCommand);
                    break;
            }

            return true;

        }

    }

    public void RunTest()
    {
        System.out.println("Run Test");
        CaseMenu menu = new CaseMenu();
        menu.addItem(new CaseMenu.Item(this, "订阅智能事件", "AttachEventRealLoadPic"));
        menu.addItem(new CaseMenu.Item(this, "停止侦听智能事件", "DetachEventRealLoadPic"));
        menu.addItem(new CaseMenu.Item(this, "订阅不带图事件", "AttachEventStartListen"));
        menu.addItem(new CaseMenu.Item(this, "停止订阅不带图事件", "DetachEventStopListen"));

        menu.run();
    }
    // 配置登陆地址，端口，用户名，密码
    private String m_strIpAddr = "172.5.4.42";//172.12.66.100 172.5.4.41
    private int m_nPort = 37777;
    private String m_strUser = "admin";
    private String m_strPassword = "admin123";
    public static void main(String[] args) {
        AsgFollowingDemo demo=new AsgFollowingDemo();
        demo.InitTest();
        demo.RunTest();
        demo.EndTest();

    }


    /**
     * 初始化测试
     */
    public void InitTest() {
        Init();

        this.loginWithHighLevel();
    }

    /**
     * 结束测试
     */
    public void EndTest() {
        System.out.println("End Test");
        this.logOut(); // 登出设备
        System.out.println("See You...");
        cleanAndExit(); // 清理资源并退出
    }
}