namespace EC.Helper.CameraSDK;

public class YuShiSDK : ICameraSDK
{
    #region Attr

    private IntPtr LoginId { get; set; } = IntPtr.Zero;

    #endregion Attr

    public YuShiSDK(CameraInfo cameraInfo) : base(cameraInfo)
    {
    }

    #region Base Method

    public override bool Init()
    {
        bool ret = ConnectSuccess();
        if (ret) return true;

        YuShiOriSDK.NETDEV_DEVICE_LOGIN_INFO_S loginInfo = new();
        loginInfo.szIPAddr = CameraInfo.Ip;
        loginInfo.dwPort = CameraInfo.Port;
        loginInfo.szUserName = CameraInfo.UserName;
        loginInfo.szPassword = CameraInfo.Password;
        YuShiOriSDK.NETDEV_SELOG_INFO_S logInfo = new();
        LoginId = YuShiOriSDK.NETDEV_Login_V30(ref loginInfo, ref logInfo);
        ret = ConnectSuccess();

        return ret;
    }

    public override bool Destory()
    {
        bool ret = ConnectSuccess();
        if (!ret) return true;

        ret = YuShiOriSDK.NETDEV_Logout(LoginId);
        if (ret) LoginId = IntPtr.Zero;

        return ret;
    }

    public override bool ConnectSuccess()
    {
        return LoginId != IntPtr.Zero;
    }

    public override void BuildException()
    {
        int errCode = YuShiOriSDK.NETDEV_GetLastError();
        if (errCode == 0) return;
        throw CameraException.New(CameraType.YuShi, (int)errCode);
    }

    #endregion Base Method

    #region Main Method

    public override bool GetPtzInfo(out PtzInfo ptzInfo)
    {
        bool ret = ConnectSuccess();
        if (!ret) { ptzInfo = PtzInfo.Default; return false; }

        YuShiOriSDK.NETDEV_PTZ_STATUS_S entity = new();
        ret = YuShiOriSDK.NETDEV_PTZGetStatus(LoginId, 1, ref entity);
        if (!ret) { BuildException(); ptzInfo = PtzInfo.Default; return false; }

        ptzInfo = PtzInfo.New(entity.fPanTiltX, entity.fPanTiltY, entity.fZoomX);
        return true;
    }

    #endregion Main Method
}