namespace MauMau_Server.Mau;

public class Deck
{
    public List<Card> UnusedDeck = new();
    public List<Card> UsedDeck = new();

    public Deck()
    {
        foreach (CardType cardType in Enum.GetValues(typeof(CardType)))
        {
            if (cardType == CardType.JOKER)
            {
                UnusedDeck.Add(new Card(cardType, CardValue.RED));
                UnusedDeck.Add(new Card(cardType, CardValue.BLACK));
                continue;
            }
            foreach (CardValue cardValue in Enum.GetValues(typeof(CardValue)))
            {
                if (cardValue is CardValue.RED or CardValue.BLACK) continue;
                UnusedDeck.Add(new Card(cardType, cardValue));
            }
        }
        ShuffleDeck();
    }
    
    public List<Card> GetUnusedDeck()
    {
        return UnusedDeck;
    }
    
    public Card DrawCard()
    {
        if (UnusedDeck.Count == 0) ReshuffleDeck();
        var card = UnusedDeck[0];
        UnusedDeck.RemoveAt(0);
        return card;
    }

    public List<Card> DrawCards(int amount)
    {
        var cards = new List<Card>();
        for (var i = 0; i < amount; i++)
        {
            cards.Add(DrawCard());
        }
        return cards;
    }
    
    public void AddCardToUsedDeck(Card card)
    {
        UsedDeck.Add(card);
    }

    private void ReshuffleDeck()
    {
        UnusedDeck.AddRange(UsedDeck);
        UsedDeck.Clear();
        ShuffleDeck();
    }

    private void ShuffleDeck()
    {
        UnusedDeck = UnusedDeck.OrderBy(x => Guid.NewGuid()).ToList();
    }
}