Bridge.Domain.BridgeGame.PlayCard C# (CSharp) Метод

        public PlayerPosition PlayCard(Card card, PlayerPosition playerPosition)
        {
            _nextPlayer = BridgeHelper.GetNextPlayerPosition(playerPosition);

            if (_currentTrick.Deck.Count == 0)
            {
                _currentTrick = new Trick();
                _currentTrick.TrickDealer = playerPosition;
            }


            if (_currentTrick.Deck.Count <= 4)
            {
                card.PlayerPosition = playerPosition;
                _currentTrick.Deck.Cards.Add(card);
            }

            if (_currentTrick.Deck.Count == 4)
            {
                Tricks.Add(_currentTrick);
                var winner = FindWinner(_currentTrick, Contract.Trump);
                _currentTrick.TrickWinner = winner;
                _nextPlayer = winner;
                _currentTrick = new Trick() { TrickDealer = winner };
            }

            GameState[playerPosition].RemoveCard(card);

            return _nextPlayer;
        }