package lab08;

/**
 * Class representing a playing card with possible rank
 * 1 through 13 and four possible suits.
 */
public class Card
{
  /**
   * Constants for the four suits.
   */
  public enum Suit
  {
    CLUBS, DIAMONDS, HEARTS, SPADES
  };
 
  /**
   * Suit for this card.
   */
  private final Suit suit;
 
  /**
   * Rank for this card.
   */
  private final int rank;

  
  /**
   * Names used for displaying strings.
   */
  private final String[] NAMES = 
    {
      "Dummy", // element 0 not used
      "Ace",
      "Two",
      "Three",
      "Four",
      "Five",
      "Six",
      "Seven",
      "Eight",
      "Nine",
      "Ten",
      "Jack",
      "Queen",
      "King"
    };
  
  
 /**
  * Constructs a card with the given rank and suit. Ranks are 
  * assumed to be in the range 1 through 13.
  * @param givenRank
  *   rank for this card
  * @param givenSuit
  *   suit for this card
  */
  public Card(int givenRank, Suit givenSuit)
  {
    rank = givenRank;
    suit = givenSuit;
  }
  
  /**
   * Returns the rank for this card.
   * @return
   *   rank for this card
   */
  public int getRank()
  {
    return rank;
  }
  
  /**
   * Returns the suit for this card.
   * @return
   *   suit for this card
   */
  public Suit getSuit()
  {
    return suit;
  }
  
  /**
   * Returns a String representation of this card.
   */
  public String toString()
  {
    return NAMES[rank] + " of " + suit;
  }

  /**
   * Returns a String representation of a given array of cards.
   * @param arr
   *   array of Card objects
   * @return
   *   a String representation of the given array
   */
  public static String toString(Card[] arr)
  {
    StringBuilder sb = new StringBuilder();
    sb.append("[");
    for (int i = 0; i < arr.length; ++i)
    {
      if (i > 0)
      {
        // every element after first one has comma before it
        sb.append(", ");
      }
      sb.append(arr[i]);
    }
    sb.append("]");
    return sb.toString();
  }
  
}