private void EnsureDeckHaveCards(int numCards)
{
if (Deck.Count < numCards + 2)
{
//we need to shuffle
List <int> cards = new List <int>();
while (Deck.Count > 0)
{
cards.Add(Deck.Dequeue());
}
while (Discard.Count > 0)
{
cards.Add(Discard.Dequeue());
}
while (cards.Count > 0)
{
int id = Random.Next(0, cards.Count);
int card = cards[id];
cards.RemoveAt(id);
Deck.Enqueue(card);
}
}
}