namespace StockSharp.Messages
{
	using System;
	using System.Runtime.Serialization;
	using System.Xml.Serialization;

	/// <summary>
	/// Subscription response message.
	/// </summary>
	public class SubscriptionResponseMessage : Message, IOriginalTransactionIdMessage, IErrorMessage
	{
		/// <summary>
		/// Not supported error.
		/// </summary>
		public static NotSupportedException NotSupported = new NotSupportedException();
		
		/// <inheritdoc />
		[DataMember]
		[XmlIgnore]
		public Exception Error { get; set; }

		/// <inheritdoc />
		[DataMember]
		public long OriginalTransactionId { get; set; }

		/// <summary>
		/// Initialize <see cref="SubscriptionResponseMessage"/>.
		/// </summary>
		public SubscriptionResponseMessage()
			: base(MessageTypes.SubscriptionResponse)
		{
		}

		/// <summary>
		/// Create a copy of <see cref="SubscriptionResponseMessage"/>.
		/// </summary>
		/// <returns>Copy.</returns>
		public override Message Clone()
		{
			var clone = new SubscriptionResponseMessage();
			CopyTo(clone);
			return clone;
		}

		/// <summary>
		/// Copy the message into the <paramref name="destination" />.
		/// </summary>
		/// <param name="destination">The object, to which copied information.</param>
		protected void CopyTo(SubscriptionResponseMessage destination)
		{
			base.CopyTo(destination);

			destination.OriginalTransactionId = OriginalTransactionId;
			destination.Error = Error;
		}

		/// <inheritdoc />
		public override string ToString()
		{
			var str = base.ToString();

			if (Error != null)
				str += $",Error={Error.Message}";

			return str;
		}
	}
}