Unit_40

using System;
using System.Collections.Generic;

namespace Ijunior
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Game game = new Game();
            game.Play();
        }
    }

    class Game
    {
        private Player _player;
        private Deck _deck;

        public Game()
        {
            _player = new Player();
            _deck = new Deck();
        }

        public void Play()
        {
            const string CommandExit = "exit";

            bool isWork = true;
            string userInput;

            while (isWork)
            {
                _player.ShowCards();

                if (_deck.Lenght > 0)
                {
                    Console.Write($"\n\nВ колоде {_deck.Lenght} карт" +
                                  $"\nСколько карт вы хотите добрать (введите {CommandExit} для выхода)? ");
                    userInput = Console.ReadLine();

                    if (int.TryParse(userInput, out int countCards))
                    {
                        if (_deck.TryGetCard(countCards, out List<Card> cards))
                            _player.PutInHand(cards);
                    }
                    else if (userInput.ToLower() == CommandExit)
                    {
                        isWork = false;
                    }
                    else
                    {
                        Console.Write("Некорректный ввод");
                        Console.ReadKey();
                    }
                }
                else
                {
                    isWork = false;
                    Console.WriteLine("\n\nИгра закончена");
                    Console.ReadKey();
                }

                Console.Clear();
            }
        }
    }

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

        public void PutInHand(List<Card> cards)
        {
            if (cards != null)
                _cards.AddRange(cards);
        }

        public void ShowCards()
        {
            if (_cards.Count > 0)
            {
                Console.WriteLine("Карты на руке:");

                foreach (var card in _cards)
                {
                    card.ShowInfo();
                }
            }
            else
            {
                Console.Write("У игрока пока нет карт");
            }
        }
    }

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

        public Deck()
        {
            Fill();
            Shuffle();
        }

        public int Lenght => _deck.Count;

        public bool TryGetCard(int countCards, out List<Card> cards)
        {
            cards = new List<Card>();

            if (_deck.Count >= countCards)
            {
                for (int i = 0; i < countCards; i++)
                {
                    cards.Add(_deck[0]);
                    _deck.RemoveAt(0);
                }

                return true;
            }
            else
            {
                Console.Write("В колоде недостаточно карт");
                Console.ReadKey();
            }

            return false;
        }

        private void Fill()
        {
            string[] values = new string[] { "6", "7", "8", "9", "10", "Jack", "Queen", "King", "Ace" };
            char[] suits = new char[] { '♣', '♥', '♦', '♠' };

            foreach (char suit in suits)
            {
                foreach (string value in values)
                {
                    _deck.Add(new Card(value, suit));
                }
            }
        }

        private void Shuffle()
        {
            int randomIndex;
            Card tempCard;

            for (int i = 0; i < _deck.Count; i++)
            {
                tempCard = _deck[i];
                randomIndex = Utils.GetRandomNumber(_deck.Count);
                _deck[i] = _deck[randomIndex];
                _deck[randomIndex] = tempCard;
            }
        }
    }

    class Card
    {
        private string _value;
        private char _suit;

        public Card(string value, char suit)
        {
            _value = value;
            _suit = suit;
        }

        public void ShowInfo()
        {
            Console.Write(_value + _suit + " ");
        }
    }

    class Utils
    {
        private static Random s_random = new Random();

        public static int GetRandomNumber(int number)
        {
            return s_random.Next(number);
        }
    }
}