import java.util.Arrays;
import java.util.HashMap;

/**
 * Card - Simple playing card class.
 * @author Todd W. Neller
 */
public class Card {

	public static final int NUM_RANKS = 13, NUM_SUITS = 4;
	public static Card[] allCards;
	public static String[] rankNames = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"};
	public static String[] suitNames = {"C", "D", "H", "S"};
	public static HashMap<String, Card> cardMap = new HashMap<String, Card>();

	static {
		// create all card objects
		allCards = new Card[rankNames.length * suitNames.length];
		int i = 0;
		for (int suit = 0; suit < suitNames.length; suit++) 
			for (int rank = 0; rank < rankNames.length; rank++)
				allCards[i++] = new Card(rank, suit);
		// create mapping from String representations to Card objects
		for (Card card : allCards)
			cardMap.put(card.toString(), card);
	}

	private int rank, suit;

	/**
	 * Create a card with the given rank and suit.
	 * @param rank Card rank. Should be in range [0, NUM_RANKS - 1].
	 * @param suit Card suit. Should be in range [0, NUM_SUITS - 1].
	 */
	public Card(int rank, int suit) {
		this.rank = rank;
		this.suit = suit;
	}

	/**
	 * Get Card rank. Should be in range [0, NUM_RANKS - 1].
	 * @return Card rank. Should be in range [0, NUM_RANKS - 1].
	 */
	public int getRank() {
		return rank;
	}

	/**
	 * Get Card suit. Should be in range [0, NUM_SUITS - 1].
	 * @return Card suit. Should be in range [0, NUM_SUITS - 1].
	 */
	public int getSuit() {
		return suit;
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public java.lang.String toString() {
		return rankNames[rank] + suitNames[suit];
	}

	public boolean equals(Card other) {
		return this.rank == other.rank && this.suit == other.suit;		
	}
	
	/**
	 * Print all card objects.
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println(Arrays.toString(allCards));
	}
}