package com.iailab.module.data.dev.hikvision.utils;

import com.alibaba.fastjson.JSONException;
import com.sun.jna.Native;
import com.sun.jna.NativeLong;
import com.sun.jna.Platform;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.annotation.PreDestroy;
import java.io.File;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;


@Slf4j
@Component
public class HIKDevice {

	// 接口的实例，通过接口实例调用外部dll/so的函数
	public static HCNetSDK hCNetSDK = null;

    // 用户登录返回句柄
    public static int lUserID;  
    //构造函数
    public HIKDevice(){
    	if (hCNetSDK == null) {
            synchronized (HCNetSDK.class) {
                try {
                	if (Platform.isWindows()) {
            			hCNetSDK = (HCNetSDK) Native.loadLibrary(MessageCode.HIK_WIN_PATH, HCNetSDK.class);
            		}
            		if (Platform.isLinux()) {
            			hCNetSDK = (HCNetSDK) Native.loadLibrary(MessageCode.HIK_LINUX_PATH, HCNetSDK.class);
            		}
                } catch (Exception ex) {
                    log.error("SdkInitService-init-hCNetSDK-error");
                }
            }
        }
    }
	/**
	 * 初始化资源配置
	 */
	public int initDevices(){
		System.out.println("进入构造函数");
        // 初始化SDK
        boolean initSuc = hCNetSDK.NET_DVR_Init();
        if (initSuc != true) {
            System.out.println("初始化失败");
            return 1;
        }
        // 设置连接时间与重连时间
        hCNetSDK.NET_DVR_SetConnectTime(2000, 1);
        System.out.println("初始化SDK资源完成");
		return 0;
	}

    //销毁函数
    @PreDestroy
    public void destroy() throws Exception {
        hCNetSDK.NET_DVR_Cleanup();
    }
    
    /*
   	 * 功能：登录设备
   	 * 参数：
   	 *      deviceIP-设备局域网IP地址
   	 *      devicePort-设备SDK服务端口
   	 *      userName-用户名
   	 *      passWord-密码
   	 * */
//	public String loginDevice() throws JSONException {
//		if (!getDeviceStatus()) {
//			int init = initDevices();
//			if (init == 1) {
//				return "初始化失败";
//			}
//			ArrayList<String> list = mZnfxCodeService.getDriverInfo("driverinfo");
//			if (list != null && list.size() > 0) {
//				String driverip = list.get(0);
//				String driverport = list.get(1);
//				String username = list.get(2);
//				String password = list.get(3);
//				String returnVal = Login_V40(driverip, Short.parseShort(driverport), username, password);
//				System.out.println(returnVal);
//				return returnVal;
//			} else {
//				return "获取设备信息失败!";
//			}
//		}
//		else
//		{
//			String result = captureJPEGPicture();
//			System.out.println(result);
//			return result;
//		}
//
//	}

    /**
    *
    * @param m_sDeviceIP 设备ip地址
    * @param wPort       端口号，设备网络SDK登录默认端口8000
    * @param m_sUsername 用户名
    * @param m_sPassword 密码
    */
   public String Login_V40(String m_sDeviceIP,short wPort,String m_sUsername,String m_sPassword) {
       /* 注册 */
       // 设备登录信息
       HCNetSDK.NET_DVR_USER_LOGIN_INFO m_strLoginInfo = new HCNetSDK.NET_DVR_USER_LOGIN_INFO();

       // 设备信息
       HCNetSDK.NET_DVR_DEVICEINFO_V40 m_strDeviceInfo = new HCNetSDK.NET_DVR_DEVICEINFO_V40();
       m_strLoginInfo.sDeviceAddress = new byte[HCNetSDK.NET_DVR_DEV_ADDRESS_MAX_LEN];
       System.arraycopy(m_sDeviceIP.getBytes(), 0, m_strLoginInfo.sDeviceAddress, 0, m_sDeviceIP.length());
       m_strLoginInfo.wPort =wPort ;
       m_strLoginInfo.sUserName = new byte[HCNetSDK.NET_DVR_LOGIN_USERNAME_MAX_LEN];
       System.arraycopy(m_sUsername.getBytes(), 0, m_strLoginInfo.sUserName, 0, m_sUsername.length());
       m_strLoginInfo.sPassword = new byte[HCNetSDK.NET_DVR_LOGIN_PASSWD_MAX_LEN];
       System.arraycopy(m_sPassword.getBytes(), 0, m_strLoginInfo.sPassword, 0, m_sPassword.length());
       // 是否异步登录：false- 否，true- 是
       m_strLoginInfo.bUseAsynLogin = false; 
       // write()调用后数据才写入到内存中
       m_strLoginInfo.write();  

       lUserID = hCNetSDK.NET_DVR_Login_V40(m_strLoginInfo, m_strDeviceInfo);
       if (lUserID == -1) {
//    	   updateZnfxPostalStatus(PostalStatus.ABNORMAL.value());
//    	   mZnfxPostalStatusService.changeStatus(MessageCode.POSTAL_STATUS_TYPE_CAMERA, PostalStatus.ABNORMAL.value());
    	   
           System.out.println("登录失败，错误码为" + hCNetSDK.NET_DVR_GetLastError());
           return "登录失败，错误码为" + hCNetSDK.NET_DVR_GetLastError();
       } else {
           System.out.println("登录成功！");
           // read()后，结构体中才有对应的数据 
           m_strDeviceInfo.read();  
//           updateZnfxPostalStatus(PostalStatus.NORMAL.value());
//           mZnfxPostalStatusService.changeStatus(MessageCode.POSTAL_STATUS_TYPE_CAMERA, PostalStatus.NORMAL.value());
           
   			String result = captureJPEGPicture();
           
           return result;
       }
   }

	//注销设备
    public String logoutDevice()
    {
        NativeLong nlUserID = new NativeLong(lUserID);
        if (!hCNetSDK.NET_DVR_Logout(nlUserID))
        {
            System.out.println("注销失败,设备ID："+ nlUserID.intValue() + "错误码："+hCNetSDK.NET_DVR_GetLastError());
            return "{\"result\":\"loginDevice Fail\",\"userID\":"+nlUserID.intValue()+",\"errorCode\":"+hCNetSDK.NET_DVR_GetLastError()+"}";
        }else{
            System.out.println("注销成功,设备ID："+ nlUserID.intValue());
            return "{\"result\":\"logoutDevice Success\",\"userID\":"+nlUserID.intValue()+",\"errorCode\":0}";
        }
    }
	/**
	 * 设备抓图（无预览）
	 * 单帧设备抓取保存的图片为JPG，具体注意问题需要详细查看【设备网络sdk使用手册】
	 * @return
	 */
	public String captureJPEGPicture()
	{
//			ArrayList<String> list = mZnfxCodeService.getDriverInfo("driverpic");
			List<String> list = new ArrayList<>();
			list.add("tlChannel");
			list.add("tlPicSize");
			list.add("tlPicQuality");
	   	    if (list != null && list.size() > 0) {
	   			int tlChannel = Integer.parseInt(list.get(0));
	   			int tlPicSize = Integer.parseInt(list.get(1));
	   			int tlPicQuality = Integer.parseInt(list.get(2));

	   			NativeLong nlUserID = new NativeLong(lUserID);
	   			NativeLong nChannel = new NativeLong(tlChannel);
	   			HCNetSDK.NET_DVR_JPEGPARA lpJpegPara = new HCNetSDK.NET_DVR_JPEGPARA();
	   			lpJpegPara.wPicSize = (short)tlPicSize;
	   			lpJpegPara.wPicQuality = (short)tlPicQuality;
	   			// 参数必须写入到结构体，否则在保存图片的时候异常图片
	   			lpJpegPara.write();
	   			String tFiledirName = CommonUtils.getCurrDate();//yyyyMMdd
	   			// 创建文件名称
	   			String tDatePath = MessageCode.DvrPicSavePath+"/"+tFiledirName;
	   			// 判断文件夹是否创建
	   			File tFile = new File(tDatePath);
	   			if (!tFile.exists()){
	   				tFile.mkdirs();
	   			}
	   			String tDate = CommonUtils.getCurrDate2();//yyyyMMddHHmmss
	   			// 文件名称
	   			String tImageName = tDate  +".png";
	   			// 全路径
	   			String tPath = tDatePath+"/"+tImageName;
	   			// 开始抓图
	   			if (!hCNetSDK.NET_DVR_CaptureJPEGPicture(nlUserID, nChannel, lpJpegPara, tPath))
	   			{
	   				return "失败编码:"+hCNetSDK.NET_DVR_GetLastError() ;
	   			}else {
	   				Long tImageId = CommonUtils.Getnum();//生成流水号
//	   				saveZnfxImageInfo(tFiledirName,tImageName,tPath,tImageId);

	   				return "success>>>>>>>>>>>" + tImageName;
	   			}
	   	    }
	   	    else
	   	    {
	   	    	return "login fail>>>>>>>>>>>";
	   	    }
	}
	/**
     * 检查设备是否在线
     * @return
     */
	private boolean getDeviceStatus() {
		boolean isOnLine = hCNetSDK.NET_DVR_RemoteControl(lUserID, 20005, null, 0);
//		if (!isOnLine) {
////			updateZnfxPostalStatus(PostalStatus.ABNORMAL.value()); //离线
////			insertZnfxPostalStatusLog(PostalStatus.ABNORMAL.value());
//			mZnfxPostalStatusService.changeStatus(MessageCode.POSTAL_STATUS_TYPE_CAMERA, PostalStatus.ABNORMAL.value());
//			return false;
//		} else {
//			mZnfxPostalStatusService.changeStatus(MessageCode.POSTAL_STATUS_TYPE_CAMERA, PostalStatus.NORMAL.value());
////			updateZnfxPostalStatus(PostalStatus.NORMAL.value());//在线
//		}
		return true;
	}
//	/**
//	 * 更新摄像头通讯状态
//	 * @param status
//	 */
//	private void updateZnfxPostalStatus(String status) {
//		 ZnfxPostalStatusDTO tEntity = new ZnfxPostalStatusDTO();
//		 tEntity.setId(1);
//		 tEntity.setStatus(status);
//	  	 tEntity.setTime(CommonUtils.getCurrDate3());
//	  	 mZnfxPostalStatusService.update(tEntity);
//
//	}
//	private void insertZnfxPostalStatusLog(String status) {
//		Calendar calendar = Calendar.getInstance();
//        calendar.set(Calendar.MILLISECOND, 0);
//        calendar.set(Calendar.SECOND, 0);
//        Date runTime = calendar.getTime();
//		 ZnfxPostalStatusLogEntity tEntity = new ZnfxPostalStatusLogEntity();
//	  	 tEntity.setType(MessageCode.POSTAL_STATUS_TYPE_CAMERA);
//		 tEntity.setStatus(status);
//	  	 tEntity.setTime(runTime);
//	  	 mZnfxPostalStatusLogService.insert(tEntity);
//	}
//
//	private void saveZnfxImageInfo(String tFiledirName, String tImageName, String tPath, Long tImageId) {
//		ZnfxImageInfoDTO tZnfxImageInfoDTO = new ZnfxImageInfoDTO();
//    	String tImagepath = "/" + tFiledirName + "/" + tImageName;
//    	tZnfxImageInfoDTO.setImageid(tImageId);
//		tZnfxImageInfoDTO.setCameraCode(MessageCode.POSTAL_STATUS_TYPE_CAMERA);
//    	tZnfxImageInfoDTO.setImagePath(tImagepath);//图片相对路径
//    	tZnfxImageInfoDTO.setAbsImagePath(tPath);//图片绝对路径
//    	tZnfxImageInfoDTO.setCreateTime(new Date());
//    	mZnfxImageInfoService.save(tZnfxImageInfoDTO);
//	}
}