using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;
using BlackJack;


namespace BlackJack
{
    public enum Suits
    {
        Diamonds,
        Hearts,
        Spade,
        Clubs,
    }
    public class Deck
    {
        public List<Card> Cards = new List<Card>();
        private readonly Random _rnd = new Random();
        public Deck()
        {
            for (int i = 1; i <= 13; i++) {
                foreach (Suits suit in Enum.GetValues(typeof(Suits)))
                {
                    Card card = new Card(suit, i);
                    AddCard(card);
                }
            }

        }

        public void AddCard(Card card)
        {
            Cards.Add(card);
        }

        public void Shuffle()
        {
            int n = Cards.Count;
            for (int i = 0; i < n; i++)
            {
                int j = _rnd.Next(0, n-1); 
                                          
                Card temp = Cards[i];
                Cards[i] = Cards[j];
                Cards[j] = temp;
            }
        }

        public void PrintDeck()
        {
            for (int i = 0; i < Cards.Count; i++)
            {
                Card card = Cards[i];
                Console.WriteLine(card.Suit.ToString() + " " + card.Number.ToString());
            }
        }

    }
}