/* -----------------------------------------------------------
   Encoding:

        Suit: 4 = Spade
              3 = Heart
              2 = Club
              1 = Diamond

        Rank:  A = 1
               2 = 2 
               ...
               J = 11
               Q = 12
               K = 13

   Card:

         byte cardSuit;                -- contain 1, 2, 3, or 4
         byte cardRank;                -- contain 2, 3, ... 13, 14
   ----------------------------------------------------------- */

public class Card
{
   public static final int SPADE   = 4;
   public static final int HEART   = 3;
   public static final int CLUB    = 2;
   public static final int DIAMOND = 1;

   private static final String[] Suit = { "*", "d", "c", "h", "s"};
   private static final String[] Rank = { "*", "*", "2", "3", "4",
                        "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};

   private byte cardSuit;
   private byte cardRank;

   public Card( int suit, int rank )
   {
      if ( rank == 1 )
         cardRank = 14;     // Give Ace the rank 14
      else
         cardRank = (byte) rank;

      cardSuit = (byte) suit;
   }

   /* ----------------------------------------------------
      Compare if 2 cards are equal

        You only see ONE card object: x
        Students often forget that INSTANCE methods
        ALWAYS have an IMPLICIT parameter "this"
        --- that's the other card !!!
      ----------------------------------------------------  */
   public boolean equals( Card x )
   {
      if ( this.cardSuit == x.cardSuit &&
           this.cardRank == x.cardRank    )
         return ( true );
      else
         return ( false );
   }


   public String toString()
   {
      return ( Rank[ cardRank ] + Suit[ cardSuit ] );
   }
}