using System;
using TINK.Services.CopriApi;

namespace TINK.Model.Services.CopriApi
{
	public class Result<T> where T : class
	{
		/// <summary>
		/// Constructs a result object.
		/// </summary>
		/// <param name="source">Type of source (data provider).</param>
		/// <param name="response">Requested data (bikes, station).</param>
		/// <param name="generalData">General data (common to all responses).</param>
		public Result(
			Type source,
			T response,
			GeneralData generalData,
			Exception exception = null)
		{
			Source = source ?? throw new ArgumentException(nameof(source));
			Response = response ?? throw new ArgumentException(nameof(response));
			GeneralData = generalData ?? new GeneralData();
			Exception = exception;
		}

		/// <summary> Holds the requested data (bikes, stations and bikes).</summary>
		public T Response { get; }

		/// <summary> Holds the general purpose data (common to all responses).</summary>
		public GeneralData GeneralData { get; }

		/// <summary> Specifies the source (type of provider) of the copri response.</summary>
		public Type Source { get; }

		/// <summary> Holds the exception if a communication error occurred.</summary>
		public Exception Exception { get; private set; }
	}
}