using Grpc.Core;
// using UnityEngine;
public static class Client
{
	private static Connection reference;

	public static void Connect(string name, string address="127.0.0.1:50052")
	{
		reference = new Connection(name, address);
	}

	public static ref Connection GetConnection()
	{
		return ref reference;
	}

	public static void CloseConnection()
	{
		if (reference != null)
		{
			reference.Close();
			reference = null;
		}
	}

	public class Connection // : MonoBehaviour
	{
		private Game.Connection.ConnectionClient connection;
		private Channel channel;
		private string connId;
		private uint? lobby = null;
		public Connection(string user, string address)
		{
			channel = new Channel(address, ChannelCredentials.Insecure);
			connection = new Game.Connection.ConnectionClient(channel);
			connId = connection.connect(new Game.Username { Name = user }).Id;
		}

		public void JoinLobby(string code)
		{
			lobby = Base32.FromString(code);
			connection.joinLobbyWithCode(new Game.LobbyCode { Code = (uint)lobby }, new Metadata { new Metadata.Entry("client_id", connId) });
		}

		public string CreateLobby()
		{
			lobby = connection.joinLobbyWithoutCode(new Game.Null(), new Metadata { new Metadata.Entry("client_id", connId) }).Code;
			return Base32.ToString((uint)lobby);
		}

		public string GetLobby()
		{
			if (lobby != null)
			{
				return Base32.ToString((uint)lobby);
			}
			else
			{
				return null;
			}
		}

		public void Close()
		{
			channel.ShutdownAsync().Wait();
		}
	}
}