using JetBrains.Annotations;
using ReactiveUI;
using System.Net;
using Volo.Abp.DependencyInjection;

namespace NatTypeTester.ViewModels.ValueConverters;

[ExposeServices(typeof(IBindingTypeConverter))]
[UsedImplicitly]
public class StringToIPEndpointTypeConverter : IBindingTypeConverter, ISingletonDependency
{
	public int GetAffinityForObjects(Type fromType, Type toType)
	{
		if (fromType == typeof(string) && toType == typeof(IPEndPoint))
		{
			return 11;
		}

		if (fromType == typeof(IPEndPoint) && toType == typeof(string))
		{
			return 11;
		}

		return 0;
	}

	public bool TryConvert(object? from, Type toType, object? conversionHint, out object? result)
	{
		if (toType == typeof(IPEndPoint) && from is string str)
		{
			if (IPEndPoint.TryParse(str, out IPEndPoint? ipe))
			{
				result = ipe;
				return true;
			}

			result = null;
			return true;
		}

		if (from is IPEndPoint fromIPEndPoint)
		{
			result = fromIPEndPoint.ToString();
		}
		else
		{
			result = string.Empty;
		}

		return true;
	}
}