//#define Linux32
//#define Linux64
//#define Win32
//#define Win64

using System.Runtime.InteropServices;

namespace EC.Helper.CameraSDK;

public static class YuShiOriSDK
{
    #region Lib Attr

#if (Linux32)
    public const string LibYsNetSDK = @"./libs/yushi/linux64/libNetDEVSDK.so";
#elif (Linux64)
    public const string LibYsNetSDK = @"./libs/yushi/linux64/libNetDEVSDK.so";
#elif (Win32)
    public const string LibYsNetSDK = @"./libs/yushi/win32/NetDEVSDK.dll";
#elif (Win64)
    public const string LibYsNetSDK = @"./libs/yushi/win64/NetDEVSDK.dll";
#endif

    #endregion Lib Attr

    static YuShiOriSDK()
    {
        GlobalInit();
    }

    #region Global

    public static bool InitSuccess { get; private set; }

    public static bool GlobalInit()
    {
        if (InitSuccess) return true;
        bool ret = NETDEV_Init();
        InitSuccess = ret;
        if (!ret) throw new Exception("YuShiOriSDK global init failure.");
        return ret;
    }

    public static bool GlobalDestory()
    {
        if (!InitSuccess) return true;
        bool ret = NETDEV_Cleanup();
        if (ret) InitSuccess = false;
        return ret;
    }

    #endregion Global

    #region SDK Const

    /*   Common length */
    public const int NETDEV_LEN_64 = 64;
    public const int NETDEV_LEN_128 = 128;
    public const int NETDEV_LEN_132 = 132;
    public const int NETDEV_LEN_260 = 260;

    #endregion SDK Const

    #region SDK Struct

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_DEVICE_LOGIN_INFO_S
    {
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NETDEV_LEN_260)]
        public string szIPAddr; /* IP地址/域名 */

        public Int32 dwPort; /* 端口号 */

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NETDEV_LEN_132)]
        public string szUserName; /* 用户名 */

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NETDEV_LEN_128)]
        public string szPassword; /* 密码 */

        public Int32 dwLoginProto; /* 登录协议, 参见NETDEV_LOGIN_PROTO_E */
        public Int32 dwDeviceType; /* 设备类型, 参见NETDEV_DEVICE_TYPE_E */

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
        public byte[] byRes; /* Reserved */
    };

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_SELOG_INFO_S
    {
        public Int32 dwSELogCount;
        public Int32 dwSELogTime;

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
        public byte[] byRes;
    };

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_VIDEO_CHL_DETAIL_INFO_S
    {
        public Int32 dwChannelID;
        public Int32 bPtzSupported; /* Whether ptz is supported */
        public Int32 enStatus; /* Channel status */
        public Int32 dwStreamNum; /* Number of streams */

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NETDEV_LEN_64)]
        public string szChnName; /* Device serial number */

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
        public byte[] szReserve;
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_PTZ_STATUS_S
    {
        public float fPanTiltX;                         /* 绝对水平坐标  Absolute horizontal coordinates*/
        public float fPanTiltY;                         /* 绝对竖直坐标  Absolute vertical coordinates*/
        public float fZoomX;                            /* 绝对聚焦倍数  Absolute multiples*/
        public Int32 enPanTiltStatus;/* 云台状态  PTZ Status*/
        public Int32 enZoomStatus;   /* 聚焦状态  Focus Status*/
    };

    #endregion SDK Struct

    #region Common Method

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern bool NETDEV_Init();

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern bool NETDEV_Cleanup();

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern int NETDEV_GetLastError();

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern IntPtr NETDEV_Login_V30(ref NETDEV_DEVICE_LOGIN_INFO_S pstDevLoginInfo, ref NETDEV_SELOG_INFO_S pstSELogInfo);

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern bool NETDEV_Logout(IntPtr lpUserID);

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern Int32 NETDEV_QueryVideoChlDetailList(IntPtr lpUserID, ref int pdwChlCount, IntPtr pstVideoChlList);

    [DllImport(LibYsNetSDK, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern bool NETDEV_PTZGetStatus(IntPtr lpUserID, int dwChannelID, ref NETDEV_PTZ_STATUS_S pstPTZStaus);

    //public boolean NETDEV_GetDevConfig(Pointer lpUserID, int dwChannelID, int dwCommand, Pointer lpOutBuffer, int dwOutBufferSize, IntByReference pdwBytesReturned);

    #endregion Common Method
}