ДЗ: Колода карт

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Reflection;

internal class Program
{
    static void Main(string[] args)
    {
        const string CommandDealCardToPlayer = "1";
        const string CommandShowCardPlayer = "2";
        const string CommandExit = "Exit";

        bool isRun = true;

        Dealer dealer = new Dealer();
        dealer.ShuffleDeck();

        while (isRun)
        {
            Console.Clear();

            Console.WriteLine($"{CommandDealCardToPlayer} - Дать карты играку." +
                $"\n{CommandShowCardPlayer} - Показать карты игрока." +
                $"\n{CommandExit} - Завершить программу.");

            switch (Console.ReadLine())
            {
                case CommandDealCardToPlayer:
                    dealer.DealCardToPlayer();
                    break;

                case CommandShowCardPlayer:
                    dealer.ShowPlayerCard();
                    break;

                case CommandExit:
                    isRun = false;
                    break;

                default:
                    Console.WriteLine("Ошибка ввода.");
                    break;
            }
        }

        Console.WriteLine("Программа завершена.");
        Console.ReadKey();
    }
}

enum Suit
{
    Hearts,
    Diamonds,
    Clubs,
    Spades
}

enum Rank
{
    Two,
    Three,
    Four,
    Five,
    Six,
    Seven,
    Eight,
    Nine,
    Ten,
    Jack,
    Queen,
    King,
    Ace
}

class Dealer
{
    private Player _player;
    private Deck _deckCard;

    public Dealer()
    {
        _player = new Player();
        _deckCard = new Deck();
    }

    public void ShowPlayerCard()
    {
        _player.ShowCards();

        Console.ReadKey();
    }

    public void DealCardToPlayer()
    {
        string userInput;

        Console.Write("Сколько карт передать? ");
        userInput = Console.ReadLine();

        int numberCards = ReadInt(userInput);

        for (int i = 0; i < numberCards; i++)
        {
            if (_deckCard.TryDealCard(out Card card))
            {
                _player.GetCard(card);
            }
            else
            {
                Console.WriteLine("В колоде не осталсь карт.");
                break;
            }
        }

        Console.ReadKey();
    }

    public void ShuffleDeck()
    {
        _deckCard.Shuffle();
    }

    private int ReadInt(string input)
    {
        int result;

        int.TryParse(input, out result);
        return result;
    }
}

class Player
{
    private List<Card> _cards;

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

    public void ShowCards()
    {
        Console.WriteLine("У игрока на руках:");

        foreach (Card card in _cards)
        {
            Console.WriteLine(card);
        }
    }

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

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

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

    public override string ToString()
    {
        return $"{Rank} {Suit}";
    }
}

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

    public Deck()
    {
        foreach (Suit suit in Enum.GetValues(typeof(Suit)))
        {
            foreach (Rank rank in Enum.GetValues(typeof(Rank)))
            {
                _cards.Add(new Card(suit, rank));
            }
        }
    }

    public void Shuffle()
    {
        for (int i = _cards.Count - 1; i > 0; i--)
        {
            int index = s_random.Next(i + 1);
            (_cards[i], _cards[index]) = (_cards[index], _cards[i]);
        }
    }

    public bool TryDealCard(out Card card)
    {
        if (_cards.Count == 0)
        {
            card = null;
            return false;
        }

        int lastIndex = _cards.Count - 1;
        card = _cards[lastIndex];

        _cards.RemoveAt(lastIndex);

        return true;
    }
}