public class SocketProvider : ISocketProvider
{
    private readonly IJsonService _jsonService;
    private readonly ICommandInvoker _commandInvoker;
    private readonly IList<IWebSocketConnection> _connections = new List<IWebSocketConnection>();

    public SocketProvider(WebSocketServer server, IJsonService jsonService, ICommandInvoker commandInvoker)
    {
        Configure(server);
        _jsonService = jsonService;
        _commandInvoker = commandInvoker;
    }

    public void Configure(WebSocketServer server)
    {
        server.Start(socket =>
        {
            socket.OnOpen = () => _connections.Add(socket);
            socket.OnClose = () => _connections.Remove(socket);
            socket.OnMessage = (m =>
            {
                var msg = _jsonService.Deserialize<SocketMessage>(m);
                _commandInvoker.InvokeFor(msg);
            });
        });
    }

    public void Listen()
    {
        // this is here for semantics. We need to move the configure stuff into here
    }

    public void Send(string message)
    {
        _connections
            .ToList()
            .Each(socket => socket.Send(message));
    }
}