namespace EC.Helper.CameraSDK;

/// <summary>
/// 相机信息
/// </summary>
public class CameraInfo
{
    #region Attr

    /// <summary>
    /// 相机类型
    /// </summary>
    public int Type { get; set; }

    /// <summary>
    /// ip 地址
    /// </summary>
    public string Ip { get; set; } = string.Empty;

    /// <summary>
    /// 端口
    /// </summary>
    public int Port { get; set; }

    /// <summary>
    /// 账号
    /// </summary>
    public string UserName { get; set; } = string.Empty;

    /// <summary>
    /// 密码
    /// </summary>
    public string Password { get; set; } = string.Empty;

    #endregion Attr

    public static CameraInfo New(int type, string ip, int port, string userName, string password)
    {
        CameraInfo info = new() { Type = type, Ip = ip, Port = port, UserName = userName, Password = password };
        if (port <= 0)
            throw new Exception("Camera type not support.");
        return info;
    }

    public static CameraInfo New(int type, string ip, string userName, string password)
    {
        CameraInfo info = new() { Type = type, Ip = ip, UserName = userName, Password = password };
        int port = (CameraType)type switch
        {
            CameraType.HiK => CameraPort.HiK,
            CameraType.DaHua => CameraPort.DaHua,
            CameraType.YuShi => CameraPort.YuShi,
            _ => -1,
        };
        info.Port = port;
        if (port <= 0)
            throw new Exception("Camera type not support.");
        return info;
    }
}

/// <summary>
/// 相机类型
/// </summary>
public enum CameraType
{
    HiK = 0,
    DaHua = 1,
    YuShi = 2,
}

/// <summary>
/// 相机默认连接端口
/// </summary>
public class CameraPort
{
    public const int HiK = 8000;
    public const int DaHua = 37777;
    public const int YuShi = 8800;
}

/// <summary>
/// Ptz 信息
/// </summary>
public class PtzInfo
{
    #region Attr

    public double Pan { get; set; }
    public double Tilt { get; set; }
    public double Zoom { get; set; }

    #endregion Attr

    public PtzInfo(double pan, double tilt, double zoom)
    {
        Pan = pan;
        Tilt = tilt;
        Zoom = zoom;
    }

    public static PtzInfo Default
    {
        get { return new(0, 0, 0); }
    }

    public static PtzInfo New(double pan, double tilt, double zoom)
    {
        return new PtzInfo(pan, tilt, zoom);
    }
}

/// <summary>
/// 相机异常
/// </summary>
public class CameraException : Exception
{
    public CameraException() : base()
    {
    }

    public CameraException(string? message) : base(message)
    {
    }

    public CameraException(string? message, Exception? innerException) : base(message, innerException)
    {
    }

    protected class CameraExceptionObj
    {
        public CameraType Type { get; set; }

        public int ErrCode { get; set; }

        public string? ErrMsg { get; set; }

        public override string? ToString()
        {
            return $"Type:{Type}, ErrCode:{ErrCode}, ErrMsg:{ErrMsg}";
        }
    }

    public static CameraException New(CameraType type, int errCode)
    {
        CameraExceptionObj obj = new()
        {
            Type = type,
            ErrCode = errCode
        };
        return new CameraException(obj.ToString());
    }

    public static CameraException New(CameraType type, int errCode, string errMsg)
    {
        CameraExceptionObj obj = new()
        {
            Type = type,
            ErrCode = errCode,
            ErrMsg = errMsg
        };
        return new CameraException(obj.ToString());
    }
}