Колода карт

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Cards
{
    class Program
    {
        static void Main(string[] args)
        {
            int enough = 0;
            int drawnCards;
            bool isDrawing = true;
            Player player = new Player();
            Deck deck = new Deck();
            deck.Mix();

            while (isDrawing)
            {
                Console.WriteLine($"У вас {player.GetCardsCount()} карт");
                Console.WriteLine("Сколько карт взять из колоды?");
                Console.WriteLine($"{enough} - Для завершения");
                string userInput = Console.ReadLine();
                bool isNumber = int.TryParse(userInput, out drawnCards);

                if (isNumber == true)
                {
                    if (drawnCards == enough)
                    {
                        isDrawing = false;
                    }
                    else
                    {
                        for (int i = 0; i < drawnCards; i++)
                        {
                            if (deck.TryDrawCard(out Card card))
                                player.TakeCard(card);
                        }
                    }
                }
            }

            player.ShowCards();
        }
    }

    class Card
    {
        private Suit _suit;
        private Level _level;

        public Card(Suit suit, Level level)
        {
            _suit = suit;
            _level = level;
        }

        public enum Suit
        {
            Hearts = 0,
            Spades,
            Diamonds,
            Clubs
        }

        public enum Level
        {
            Six = 0,
            Seven,
            Eight,
            Nine,
            Ten,
            Jack,
            Queen,
            King,
            Ace
        }

        public string GetName()
        {
            return string.Format($"{_level} {_suit}");
        }
    }

    class Deck
    {
        private List<Card> _cards;

        public Deck()
        {
            _cards = new List<Card>();
            var levels = Enum.GetValues(typeof(Card.Level));
            var suits = Enum.GetValues(typeof(Card.Suit));

            foreach (int level in levels)
            {
                foreach (int suit in suits)
                {
                    Card.Suit newSuit = (Card.Suit)Enum.ToObject(typeof(Card.Suit), suit);
                    Card.Level newLevel = (Card.Level)Enum.ToObject(typeof(Card.Level), level);
                    Card card = new Card(newSuit, newLevel);
                    _cards.Add(card);
                }
            }
        }

        public void Mix()
        {
            Random random = new Random();

            for (int i = 0; i < _cards.Count; i++)
            {
                int exchangedIndex = random.Next(_cards.Count);
                Card temporaryCard = _cards[i];
                _cards[i] = _cards[exchangedIndex];
                _cards[exchangedIndex] = temporaryCard;
            }
        }

        public bool TryDrawCard(out Card card)
        {
            if(_cards.Count > 0)
            {
                card = _cards.First();
                _cards.Remove(card);
                return true;
            }
            else
            {
                card = null;
                return false;
            }
        }
    }

    class Player
    {
        private List<Card> _cards;

        public Player()
        {
            _cards = new List<Card>();
        }

        public void ShowCards()
        {
            foreach (Card card in _cards)
                Console.WriteLine(card.GetName());
        }

        public int GetCardsCount()
        {
            return _cards.Count;
        }

        public void TakeCard(Card card)
        {
            _cards.Add(card);
        }
    }
}