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.DefaultHaveReconnectCallBack;
import com.netsdk.lib.structure.*;
import com.sun.jna.Pointer;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

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

public class WeatherInfoDemo {


    // SDk对象初始化
    public static final NetSDKLib netsdk = NetSDKLib.NETSDK_INSTANCE;
    public static final NetSDKLib configsdk = NetSDKLib.CONFIG_INSTANCE;

    /**
     * 选择通道
     */
    private int channelId = 0;// 逻辑通道
    // 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 loginHandle = new NetSDKLib.LLong(0);
    // 智能事件订阅句柄
    private NetSDKLib.LLong m_attachHandle = new NetSDKLib.LLong(0);

    //实现断线重连静态单例
    public static class DefaultDisconnectCallback implements NetSDKLib.fDisConnect {
        private static volatile DefaultDisconnectCallback INSTANCE;

        private DefaultDisconnectCallback() {}

        public static DefaultDisconnectCallback getINSTANCE() {
            if (INSTANCE == null) {
                synchronized (DefaultDisconnectCallback.class){
                    if (INSTANCE == null){
                        INSTANCE = new DefaultDisconnectCallback();
                    }
                }
            }
            return INSTANCE;
        }

        @Override
        public void invoke(NetSDKLib.LLong lLoginID, String pchDVRIP, int nDVRPort, Pointer dwUser) {
            System.out.printf("Device[%s] Port[%d] DisConnected!\n", pchDVRIP, nDVRPort);
        }
    }

    // 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 = MultiTalkDevDemo.DefaultDisconnectCallback.getINSTANCE();
    // 重连回调
    private static NetSDKLib.fHaveReConnect haveReConnectCB = DefaultHaveReconnectCallBack.getINSTANCE();

    //订阅句柄
    NetSDKLib.LLong lAttachHandle = new NetSDKLib.LLong(0);
    // 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";
        }
    }

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

    /**
     * 初始化SDK库
     */
    public static boolean initSdk() {
        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
        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; //单位为ms
        // 登录时尝试建立链接 1 次
        int tryTimes = 1;
        // 设置连接设备超时时间和尝试次数
        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;
        //设置登陆网络环境
        netsdk.CLIENT_SetNetworkParam(netParam);
        return true;
    }

    /**
     * 打开 sdk log
     */
    private static void enableLog() {
        // SDK全局日志打印信息
        NetSDKLib.LOG_SET_PRINT_INFO setLog = new NetSDKLib.LOG_SET_PRINT_INFO();
        //设置日志路径
        File path = new File("sdklog/");
        //判断日志路径是否存在，若不存在则创建
        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";
        //日志输出策略,0:输出到文件(默认); 1:输出到窗口,
        setLog.nPrintStrategy = 0;
        //是否重设日志路径, 取值0否 ,1是
        setLog.bSetFilePath = 1;
        //日志路径(默认"./sdk_log/sdk_log.log")
        byte[] szLogFilePath = setLog.szLogFilePath;
        //自定义log保存地址，将数据logPath数据copy到LOG_SET_PRINT_INFO-->szLogFilePath变量中
        System.arraycopy(logPath.getBytes(), 0, szLogFilePath, 0, logPath.getBytes().length);
        //是否重设日志打印输出策略 取值0否 ,1是
        setLog.bSetPrintStrategy = 1;
        // 打开日志功能
        bLogOpen = netsdk.CLIENT_LogOpen(setLog);
        if (!bLogOpen){
            System.err.println("Failed to open NetSDK log "+ ToolKits.getErrorCode());
        }else {
            System.out.println("Success 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() {
            {
                // IP
                szIP = m_strIpAddr.getBytes();
                // 端口
                nPort = m_nPort;
                // 用户名
                szUserName = m_strUser.getBytes();
                // 密码
                szPassword = m_strPassword.getBytes();
            }
        };
        // 登录的输出结构体参数
        NetSDKLib.NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY pstOutParam = new NetSDKLib.NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY();
        // 高安全级别登陆
        loginHandle = netsdk.CLIENT_LoginWithHighLevelSecurity(pstlnParam, pstOutParam);
        if (loginHandle.longValue() == 0) {  //登陆失败
            System.err.printf("Login Device[%s] Port[%d]Failed. %s\n", m_strIpAddr, m_nPort, ToolKits.getErrorCode());

        } else {
            //登陆成功
            // 获取设备信息
            deviceInfo = pstOutParam.stuDeviceInfo;
            System.out.printf("Login Success Device Address[%s] 设备包含[%d]个通道 \n",m_strIpAddr,deviceInfo.byChanNum);
        }
    }

    /**
     * 退出
     */
    public void logOut() {
        //判断是否已登录
        if (loginHandle.longValue() != 0) {
            netsdk.CLIENT_Logout(loginHandle);
            System.out.println("LogOut Success");
        }
    }

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

    /**
     * 初始化测试
     */
    public void initTest() {
        initSdk();

        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
    }

    public void runTest()
    {
        System.out.println("Run Test");
        CaseMenu menu = new CaseMenu();
        menu.addItem(new CaseMenu.Item(this, "订阅气象信息", "AttachWeatherInfo"));
        menu.addItem(new CaseMenu.Item(this, "退订气象信息", "DetachWeatherInfo"));
        menu.addItem(new CaseMenu.Item(this, "获取气象信息", "GetAtomsphData"));
        menu.run();
    }


    /**
     * 订阅气象信息
     */
    public void AttachWeatherInfo() {
        NET_IN_WEATHER_INFO inputInfo = new NET_IN_WEATHER_INFO();
        NET_OUT_WEATHER_INFO outputInfo = new NET_OUT_WEATHER_INFO();
        inputInfo.nChannel = channelId;
        inputInfo.cbWeatherInfo = WeatherInfoCB.getInstance();
        inputInfo.write();
        outputInfo.write();
        m_attachHandle = netsdk.CLIENT_AttachWeatherInfo(loginHandle, inputInfo.getPointer(), outputInfo.getPointer(), 3000);
        /**
         * // 订阅气象信息
         **/
        if (m_attachHandle.longValue() != 0) {
            System.out.printf("Chn[%d] CLIENT_AttachWeatherInfo Success\n", channelId);
        } else {
            System.out.printf("Ch[%d] CLIENT_AttachWeatherInfo Failed!LastError = %s\n", channelId,
                    ToolKits.getErrorCode());
        }
    }


    /**
     * 报警事件（智能）回调
     */
    private static class WeatherInfoCB implements NetSDKLib.fWeatherInfoCallBack {
        private final File picturePath;
        private static WeatherInfoCB instance;

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

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

        @Override
        public void invoke(NetSDKLib.LLong lHandle,NetSDKLib.LLong lWeatherInfoHandle, Pointer pBuffer, int dwBufSize,
                          Pointer dwUser) {
            if(lHandle == null || lHandle.longValue() == 0){
                System.out.println("lHandle is null");
            }
            if (lWeatherInfoHandle == null || lWeatherInfoHandle.longValue() == 0) {
                System.out.println("lWeatherInfoHandle is null");
            }
            NET_WEATHER_INFO msg = new NET_WEATHER_INFO();
            ToolKits.GetPointerData(pBuffer, msg);
            System.out.println("风速,单位m/s,范围[0.0,60.0]:" + msg.fWindSpeed);
            System.out.println("温度,单位摄氏度，范围[-40.0,+80.0]:" + msg.fTemperature);
            System.out.println("后缀%,范围[0.0,100.0]:" + msg.fHumidity);
            System.out.println("光照,单位W/(m*m),范围[0,2000]:" + msg.nLight);
            System.out.println("风向,单位度,范围[0,360):" + msg.fWindDirection);
            System.out.println("气压,单位百帕,范围[10~1100]:" + msg.fAirPressure);
            System.out.println("累计雨量,单位0.01mm:" + msg.nRainfall);
        }
    }


    /**
     * 停止侦听智能事件
     */
    public void DetachWeatherInfo() {
        if (m_attachHandle.longValue() != 0) {
            netsdk.CLIENT_DetachWeatherInfo(m_attachHandle);
            System.out.println("DetachWeatherInfo Success");
        }
    }

    /**
     * 获取气象信息
     */
    public void GetAtomsphData() {
        NET_IN_GET_ATOMSPHDATA inputInfo = new NET_IN_GET_ATOMSPHDATA();
        NET_OUT_GET_ATOMSPHDATA outputInfo = new NET_OUT_GET_ATOMSPHDATA();
        inputInfo.write();
        outputInfo.write();
        boolean bet = netsdk.CLIENT_GetAtomsphData(loginHandle,inputInfo.getPointer(),outputInfo.getPointer(),3000);
        inputInfo.read();
        outputInfo.read();
        if(bet){
            System.out.println("风速,单位m/s:" + outputInfo.fWindSpeed);
            System.out.println("风向,单位度:" + outputInfo.fWindDirection);
            System.out.println("湿度,单位%:" + outputInfo.fHumidity);
            System.out.println("温度,单位摄氏度:" + outputInfo.fTemperture);
            System.out.println("气压,单位百帕:" + outputInfo.fAirPressure);
            System.out.println("光照:" + outputInfo.fSunBathe);
        }else {
            System.out.println("GetAtomsphData error! " + ToolKits.getLastError());
        }
    }

    // 配置登陆地址，端口，用户名，密码
    private String m_strIpAddr = "10.35.249.200";
    private int m_nPort = 37777;
    private String m_strUser = "admin";
    private String m_strPassword = "admin123";


    public static void main(String[] args) {
        WeatherInfoDemo demo=new WeatherInfoDemo();
        demo.initTest();
        demo.runTest();
        demo.endTest();
    }
}