Solitaire, MainDeck

import unit4.collectionsLib.Stack;

public class MainDeck {
	Stack<Card> faceDown;
	Stack<Card> faceUp;

	public MainDeck(Card[] cardsArr) {
		faceDown = new Stack<Card>();
		faceUp = new Stack<Card>();

		for (Card c : cardsArr) {
			faceDown.push(c);
		}

		showCard();
	}

	public void showCard() {
		if (faceDown.isEmpty()) {
			// return all faceUp cards
			while (!faceUp.isEmpty())
				faceDown.push(faceUp.pop());
		}

		// show one card
		if (!faceDown.isEmpty())
			faceUp.push(faceDown.pop());
	}

	// move card to final deck
	public boolean moveToFinalDeck(FinalDeck finalDeck) {
		if (!faceUp.isEmpty()) {
			if (finalDeck.add(faceUp.top())) {
				faceUp.pop();

				if (faceDown.isEmpty()) {
					showCard();
				}

				return true;
			}
		}

		return false;
	}

	// move card to column deck
	public boolean moveToColumn(Column col) {
		if (!faceUp.isEmpty()) {
			if (col.add(faceUp.top())) {
				faceUp.pop();

				if (faceDown.isEmpty()) {
					showCard();
				}

				return true;
			}
		}

		return false;
	}

	@Override
	public String toString() {
		String hidden, shown;
		if (faceDown.isEmpty())
			hidden = "       ";
		else
			hidden = "[(   )]";

		if (faceUp.isEmpty())
			shown = "       ";
		else
			shown = "[" + faceUp.top() + "]";

		return String.format("%s %s", hidden, shown);
	}

}