using System.Net;

namespace MessagePack.Formatters
{
	/// <summary>
	/// Serialization of an <see cref="IPAddress"/> to and from <see cref="MessagePack"/>.
	/// </summary>
	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
	public class IPAddressFormatter : IMessagePackFormatter<IPAddress>
	{
		/// <inheritdoc/>
		public IPAddress Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
		{
			if (reader.IsNil)
				return null;

			byte[] bytes = options.Resolver.GetFormatterWithVerify<byte[]>().Deserialize(ref reader, options);
			return new IPAddress(bytes);
		}

		/// <inheritdoc/>
		public void Serialize(ref MessagePackWriter writer, IPAddress value, MessagePackSerializerOptions options)
		{
			if (value == null)
			{
				writer.WriteNil();
				return;
			}

			byte[] bytes = value.GetAddressBytes();
			options.Resolver.GetFormatterWithVerify<byte[]>().Serialize(ref writer, bytes, options);
		}
	}
}