#define Win

using System.Runtime.InteropServices;

namespace EC.Util.CameraSDK;

public static class YuShiOriSDK
{
    #region Lib Attr

#if Win
    public const string LibSdkPath = @"./libs/yushi/NetDEVSDK.dll";
#else
    public const string LibSdkPath = @"./libs/yushi/libNetDEVSDK.so";
#endif

    private const bool Debug = false;

    #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

    public const int TRUE = 1;
    public const int FALSE = 0;

    public const int PtzSpeedMin = 1;
    public const int PtzSpeedMax = 9;

    /*   Common length */
    public const int NETDEV_LEN_32 = 32;
    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;

    /* NETDEV_PTZ_E */
    public const int IRISCLOSE_STOP = 0x0101; /* Iris close stop */
    public const int IRISCLOSE = 0x0102; /* Iris close */
    public const int IRISOPEN_STOP = 0x0103; /* Iris open stop */
    public const int IRISOPEN = 0x0104;	/* Iris open */
    public const int FOCUSNEAR_STOP = 0x0201; /* Focus near stop */
    public const int FOCUSNEAR = 0x0202; /* Focus near */
    public const int FOCUSFAR_STOP = 0x0203; /* Focus far stop */
    public const int FOCUSFAR = 0x0204; /* Focus far */
    public const int ZOOMTELE_STOP = 0x0301; /* Zoom in stop */
    public const int ZOOMTELE = 0x0302; /* Zoom in */
    public const int ZOOMWIDE_STOP = 0x0303; /* Zoom out stop */
    public const int ZOOMWIDE = 0x0304; /* Zoom out */
    public const int TILTUP = 0x0402; /* Tilt up */
    public const int TILTDOWN = 0x0404; /* Tilt down */
    public const int PANRIGHT = 0x0502; /* Pan right */
    public const int PANLEFT = 0x0504; /* Pan left */
    public const int LEFTUP = 0x0702; /* Move up left */
    public const int LEFTDOWN = 0x0704; /* Move down left */
    public const int RIGHTUP = 0x0802; /* Move up right */
    public const int RIGHTDOWN = 0x0804; /* Move down right */
    public const int ALLSTOP = 0x0901; /* All-stop command word */
    public const int FOCUS_AND_IRIS_STOP = 0x0907; /* Focus & Iris-stop command word */
    public const int MOVE_STOP = 0x0908; /* move stop command word */
    public const int ZOOM_STOP = 0x0909; /* zoom stop command word */
    /* NETDEV_PTZ_PRESETCMD_E */
    public const int PRESET_SET = 0; /* Set preset */
    public const int PRESET_CLE = 1; /* Clear preset */
    public const int PRESET_GOTO = 2; /* Go to preset */
    /* Maximum number of presets */
    public const int NETDEV_MAX_PRESET_NUM = 255;

    public enum NETDEV_LIVE_STREAM_INDEX_E : int
    {
        NETDEV_LIVE_STREAM_INDEX_MAIN = 0, /* Main stream */
        NETDEV_LIVE_STREAM_INDEX_SUB = 1, /* Sub stream */
        NETDEV_LIVE_STREAM_INDEX_THIRD = 2, /* Third stream */

        NETDEV_LIVE_STREAM_INDEX_INVALID
    }

    public enum NETDEV_PROTOCAL_E : int
    {
        NETDEV_TRANSPROTOCAL_RTPUDP = 0, /* UDP */
        NETDEV_TRANSPROTOCAL_RTPTCP = 1 /* TCP */
    }

    public enum NETDEV_PICTURE_FLUENCY_E
    {
        NETDEV_PICTURE_REAL = 0, /* Real-time first */
        NETDEV_PICTURE_FLUENCY = 1, /* Fluency first */
        NETDEV_PICTURE_BALANCE_NEW = 3, /* Balance */
        NETDEV_PICTURE_RTMP_FLUENCY = 4, /* RTMP fluency first */

        NETDEV_PICTURE_FLUENCY_INVALID = 0xff /* Invalid value */
    }

    #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 int 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 int dwLoginProto; /* 登录协议, 参见NETDEV_LOGIN_PROTO_E */
        public int 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 int dwSELogCount;
        public int dwSELogTime;

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

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_VIDEO_CHL_DETAIL_INFO_S
    {
        public int dwChannelID;
        public int bPtzSupported; /* Whether ptz is supported */
        public int enStatus; /* Channel status */
        public int 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 int enPanTiltStatus;/* 云台状态  PTZ Status*/
        public int enZoomStatus;   /* 聚焦状态  Focus Status*/
    };

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_PREVIEWINFO_S
    {
        public int dwChannelID; /* ID  Channel ID */
        public int dwStreamType; /* #NETDEV_LIVE_STREAM_INDEX_E  Stream type, see enumeration #NETDEV_LIVE_STREAM_INDEX_E */
        public int dwLinkMode; /* #NETDEV_PROTOCAL_E  Transport protocol, see enumeration #NETDEV_PROTOCAL_E */
        public IntPtr hPlayWnd; /* Play window handle */
        public int dwFluency; /* #NETDEV_PICTURE_FLUENCY_E  image play fluency*/
        public int dwStreamMode; /* #NETDEV_STREAM_MODE_E  start stream mode see #NETDEV_STREAM_MODE_E*/
        public int dwLiveMode; /* #NETDEV_PULL_STREAM_MODE_E  Rev. Flow pattern */
        public int dwDisTributeCloud; /* #NETDEV_DISTRIBUTE_CLOUD_SRV_E distribution  */
        public int dwallowDistribution; /* allow or no distribution*/
        public int dwTransType; /* 传输类型，参见枚举# NETDEV_TRANS_TYPE_E */
        public int dwStreamProtocol; /* 起流协议，参见枚举# NETDEV_START_STREAM_PROT_E */

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 236)]
        public byte[] szReserve; /* Reserved */
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_PTZ_ALLPRESETS_S
    {
        public Int32 dwSize;                             /* Total number of presets */

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = NETDEV_MAX_PRESET_NUM)]
        public NETDEV_PTZ_PRESET_S[] astPreset;   /* Structure of preset information */
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct NETDEV_PTZ_PRESET_S
    {
        public Int32 dwPresetID;                                 /* ID  Preset ID */

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = NETDEV_LEN_32)]
        public byte[] szPresetName;    /** Preset name */
    }

    #endregion SDK Struct

    #region Common Method

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

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

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

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

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

    [DllImport(LibSdkPath, 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);

    [DllImport(LibSdkPath, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern int NETDEV_PTZControl_Other(IntPtr lpUserID, int dwChannelID, int dwPTZCommand, int dwSpeed);

    [DllImport(LibSdkPath, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern int NETDEV_PTZPreset_Other(IntPtr lpUserID, int dwChannelID, int dwPTZPresetCmd, byte[] szPresetName, int dwPresetID);

    [DllImport(LibSdkPath, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern IntPtr NETDEV_RealPlay(IntPtr lpUserID, ref NETDEV_PREVIEWINFO_S pstPreviewInfo, IntPtr cbPlayDataCallBack, IntPtr lpUserData);

    [DllImport(LibSdkPath, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern int NETDEV_StopRealPlay(IntPtr lpRealHandle);

    [DllImport(LibSdkPath, CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
    public static extern Int32 NETDEV_GetPTZPresetList(IntPtr lpUserID, Int32 dwChannelID, ref NETDEV_PTZ_ALLPRESETS_S lpOutBuffer);

    #endregion Common Method
}