using DM_Weight.util;
using PreviewDemo;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows;

namespace DM_Weight.HIKVISION
{
    internal class CHKFunction
    {
        private bool m_bInitSDK = false;

        private static int m_lRealHandle = -1;
        public static int HKUserId = -1; 
        private uint iLastErr = 0; 
        private string str;

        public CHCNetSDK.NET_DVR_USER_LOGIN_INFO struLogInfo;
        public CHCNetSDK.NET_DVR_DEVICEINFO_V40 DeviceInfo;


        private System.ComponentModel.Container components = null;

        public bool HIKInit()
        {
            m_bInitSDK = CHCNetSDK.NET_DVR_Init();
            if (m_bInitSDK == false)
            {
                //MessageBox.Show("NET_DVR_Init error!");
                //return;
            }
            else
            {
                //保存SDK日志 To save the SDK log
                CHCNetSDK.NET_DVR_SetLogToFile(3, "C:\\SdkLog\\", true);
            }
            return m_bInitSDK;
        }

        public int HIKLogin()
        {
            string ip= ReadApp.ReadAppSetting("HIKIP");
            string port=ReadApp.ReadAppSetting("HIKPort");
            string userName= ReadApp.ReadAppSetting("HIKUser");
            string password= ReadApp.ReadAppSetting("HIKPassword");
            if (HKUserId < 0)
            {

                struLogInfo = new CHCNetSDK.NET_DVR_USER_LOGIN_INFO();

                //设备IP地址或者域名
                byte[] byIP = System.Text.Encoding.Default.GetBytes(ip);
                struLogInfo.sDeviceAddress = new byte[129];
                byIP.CopyTo(struLogInfo.sDeviceAddress, 0);

                //设备用户名
                byte[] byUserName = System.Text.Encoding.Default.GetBytes(userName);
                struLogInfo.sUserName = new byte[64];
                byUserName.CopyTo(struLogInfo.sUserName, 0);

                //设备密码
                byte[] byPassword = System.Text.Encoding.Default.GetBytes(password);
                struLogInfo.sPassword = new byte[64];
                byPassword.CopyTo(struLogInfo.sPassword, 0);

                struLogInfo.wPort = ushort.Parse(port);//设备服务端口号

                //if (LoginCallBack == null)
                //{
                //    LoginCallBack = new CHCNetSDK.LOGINRESULTCALLBACK(cbLoginCallBack);//注册回调函数                    
                //}
                //struLogInfo.cbLoginResult = LoginCallBack;
                struLogInfo.bUseAsynLogin = false; //是否异步登录：0- 否，1- 是 

                DeviceInfo = new CHCNetSDK.NET_DVR_DEVICEINFO_V40();

                //登录设备 Login the device
                HKUserId = CHCNetSDK.NET_DVR_Login_V40(ref struLogInfo, ref DeviceInfo);
                if (HKUserId < 0)
                {
                    iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                    str = "NET_DVR_Login_V40 failed, error code= " + iLastErr; //登录失败，输出错误号
                    MessageBox.Show(str);
                }
                else
                {
                    //登录成功
                    //MessageBox.Show("Login Success!");
                }

            }
            else
            {
                //注销登录 Logout the device
                if (m_lRealHandle >= 0)
                {
                    //MessageBox.Show("Please stop live view firstly");
                }

                if (!CHCNetSDK.NET_DVR_Logout(HKUserId))
                {
                    iLastErr = CHCNetSDK.NET_DVR_GetLastError();
                    str = "NET_DVR_Logout failed, error code= " + iLastErr;
                }
                HKUserId = -1;
            }
            return HKUserId;
        }

        public void HIKLoginOut()
        {
            if (m_lRealHandle >= 0)
            {
                CHCNetSDK.NET_DVR_StopRealPlay(m_lRealHandle);
            }
            if (HKUserId >= 0)
            {
                CHCNetSDK.NET_DVR_Logout(HKUserId);
            }
            if (m_bInitSDK == true)
            {
                CHCNetSDK.NET_DVR_Cleanup();
            }
        }

        public bool HIKStartDVRRecord()
        {
            bool isStart= CHCNetSDK.NET_DVR_StartDVRRecord(HKUserId, 5, 2);
            return isStart;
        }
        public bool HIKStopDVRRecord()
        {
            bool isStart = CHCNetSDK.NET_DVR_StopDVRRecord(HKUserId, 5);
            return isStart;
        }

        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        public void Dispose()
        {
            if (m_lRealHandle >= 0)
            {
                CHCNetSDK.NET_DVR_StopRealPlay(m_lRealHandle);
            }
            if (HKUserId >= 0)
            {
                CHCNetSDK.NET_DVR_Logout(HKUserId);
            }
            if (m_bInitSDK == true)
            {
                CHCNetSDK.NET_DVR_Cleanup();
            }
            //base.Dispose(disposing);
        }
    }
}