public Guess MakeGuess(string number, int gameId)
        {
            var game = this.games.GetById(gameId);

            var playersNumber = game.GameState == GameState.RedTurn
                ? game.RedPlayerNumber
                : game.BluePlayerNumber;

            var player = game.GameState == GameState.RedTurn
                ? game.RedPlayerId
                : game.BluePlayerId;

            var guessToMake = new Guess
            {
                MadeOn = DateTime.UtcNow,
                UserId = player,
                Number = number,
                Bulls = CalculatBulls(number, playersNumber),
                Cows = CalculateCows(number, playersNumber)
            };

            this.guesses.Add(guessToMake);

            //((guessToMake.Bulls == 4
            //                ? (Action)(() => game.State = GameState.Finished)
            //                : () => { game.State = game.State == GameState.RedTurn ? GameState.BlueTurn : GameState.RedTurn; }))();

            if(guessToMake.Bulls == 4)
            {
                game.GameState = GameState.Finished;
                game.Result = game.GameState == GameState.RedTurn ? GameResult.WonByRed : GameResult.WonByBlue;
            }
            else
            {
                game.GameState = game.GameState == GameState.RedTurn ? GameState.BlueTurn : GameState.RedTurn;
            }

            game.Guesses.Add(guessToMake);

            this.games.Update(game);

            this.games.SaveChanges();
            this.guesses.SaveChanges();
            // TODO: Add player.AddGuess(); && game.AddGuess();

            return guessToMake;
        }
        public Guess MakeGuess(int gameId, string number, string userId)
        {
            var game = this.games
                .GetGameDetails(gameId)
                .Select(g => new
                {
                    g.Id,
                    g.GameState,
                    g.BlueUserNumber,
                    g.RedUserNumber
                })
                .FirstOrDefault();

            string correctNumber = null;
            if (game.GameState == GameState.BlueInTurn)
            {
                correctNumber = game.RedUserNumber;
            }
            else if(game.GameState == GameState.RedInTurn)
            {
                correctNumber = game.BlueUserNumber;
            }

            var cows = this.GetCows(number, correctNumber);
            var bulls = this.GetBulls(number, correctNumber);

            var newGuess = new Guess
            {
                GameId = gameId,
                Number = number,
                UserId = userId,
                DateMade = DateTime.UtcNow,
                BullsCount = bulls,
                CowsCount = cows
            };

            this.guesses.Add(newGuess);
            this.guesses.SaveChanges();

            this.games.ChangeGameState(gameId, bulls == GameConstants.GuessNumberLength);

            return newGuess;
        }