using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace JsonRPC4.Common
{
	public class RpcError
	{
		public int Code
		{
			get;
		}

		public string Message
		{
			get;
		}

		public object Data
		{
			get;
		}

		public Type DataType
		{
			get;
		}

		public RpcError(RpcErrorCode code, string message, object data = null)
			: this((int)code, message, data)
		{
		}

		public RpcError(int code, string message, object data = null)
		{
			if (string.IsNullOrWhiteSpace(message))
			{
				throw new ArgumentNullException("message");
			}
			Code = code;
			Message = message;
			Data = data;
			DataType = data?.GetType();
		}

		public RpcException CreateException()
		{
			return new RpcException(Code, Message, null, Data);
		}
	}
	public class RpcError<T> : RpcError
	{
		public new T Data => (T)base.Data;

		public RpcError(RpcErrorCode code, string message, T data)
			: base(code, message, data)
		{
		}

		public RpcError(int code, string message, T data)
			: base(code, message, data)
		{
		}
	}
}