deck_of_cards

using System.Net.Security;
using System.Numerics;

namespace deck_of_cards
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Dealer dealer = new Dealer();

            dealer.Work();
        }
    }

    class Player
    {
        private List<Card> _cards = new List<Card>();

        public void TakeCard(Card card)
        {
            if (card == null)
            {
                Console.WriteLine("Колода пуста.");
                return;
            }

            _cards.Add(card);
        }

        public void Show()
        {
            foreach (var cardItem in _cards)
            {
                Console.WriteLine(cardItem.Suit + " " + cardItem.Rank);
            }
        }
    }

    class Card
    {
        public Card(string suit, string rank)
        {
            Suit = suit;
            Rank = rank;
        }

        public string Suit { get; private set; }
        public string Rank { get; private set; }
    }

    class Deck
    {
        private List<Card> _cards = new List<Card>();

        public Deck()
        {
            Cards = _cards;
            Create();
            Shuffle();
        }

        public List<Card> Cards { get; private set; } = new List<Card>();

        private void Create()
        {
            string[] ranks = { "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King", "Ace" };
            string[] suits = { "Clubs", "Hearts", "Diamonds", "Spades" };

            for (int i = 0; i < suits.Length; i++)
            {
                for (int j = 0; j < ranks.Length; j++)
                {
                    Cards.Add(new Card(suits[i], ranks[j]));
                }
            }
        }

        private void Shuffle()
        {
            Random random = new Random();

            for (int j = Cards.Count - 1; j >= 1; j--)
            {
                int numberOfRandomCard = random.Next(Cards.Count);
                Card tempCard = Cards[numberOfRandomCard];
                Cards[numberOfRandomCard] = Cards[j];
                Cards[j] = tempCard;
            }
        }
    }

    class Dealer
    {
        private Player _player = new Player();
        private Deck _deck = new Deck();

        public void Work()
        {
            bool isWorking = true;
            int numbersOfCard;

            Console.WriteLine("Карты в колоде:");
            ShowCards();
            Console.WriteLine($"\nКарты у игрока:");
            _player.Show();

            while (isWorking)
            {
                Console.WriteLine("Введите сколько карт дать игроку:");

                numbersOfCard = ReadInt();

                if (numbersOfCard <= 0 || numbersOfCard > _deck.Cards.Count)
                {
                    Console.WriteLine($"Необходимо ввести положителньное число, чтобы оно не превышало {_deck.Cards.Count}.");
                    Console.ReadKey();
                    Console.Clear();
                }
                else
                {
                    for (int i = 0; i < numbersOfCard; i++)
                    {
                        _player.TakeCard(GiveCard());
                    }

                    Console.Clear();

                    Console.WriteLine("Карты в колоде:");
                    ShowCards();
                    Console.WriteLine($"\nКарты у игрока:");
                    _player.Show();

                    Console.WriteLine("До скорых встреч.");
                    Console.ReadKey();
                    Environment.Exit(0);
                }
            }
        }

        private Card GiveCard()
        {
            if (_deck.Cards.Count == 0)
            {
                Console.WriteLine("В колде не осталось карт.");
                return null;
            }

            Card card = _deck.Cards[_deck.Cards.Count - 1];
            _deck.Cards.Remove(card);
            return card;
        }

        private void ShowCards()
        {
            foreach (var cardItem in _deck.Cards)
            {
                Console.WriteLine($"{cardItem.Suit}  {cardItem.Rank}");
            }
        }

        private int ReadInt()
        {
            bool isWorking = true;
            int numberOfCards = 0;

            while (isWorking)
            {
                string userInput = Console.ReadLine();
                bool isNumber = int.TryParse(userInput, out numberOfCards);

                if (isNumber == false)
                {
                    Console.Write("Введите число:");
                }
                else
                {
                    isWorking = false;
                }
            }

            return numberOfCards;
        }
    }
}