// A Generic Card dealing class
// Unit 11-F: Illustrates use of JAR files
import java.awt.*;
import java.applet.*;

public class Cards extends Applet
{
  static final int NONE = 0;
  static final int SHOW = 1;
  static final int DEAL = 2;

  int mode = NONE;

  Image[] deck = new Image[52];
  Image[] hand = new Image[5];

  AudioClip click = null;
  AudioClip bell  = null;

  // Buttons
  Button deal     = new Button("Deal");
  Button show     = new Button("Show Deck");
  Button shuffle  = new Button("Shuffle");

  int[]  curDeck;
  int    curCard = 52;
  Panel  table = new Panel();

  public void init()
  {
    setLayout(new BorderLayout(5,5));
    Panel p = new Panel(new FlowLayout(FlowLayout.RIGHT));

    // 1. The Button Panel
    p.setBackground(new Color(128,0,128));
    p.add(shuffle);
    p.add(show);
    p.add(deal);
    add("South", p);

    // 2. The Table
    setBackground(new Color(0, 196, 0));
    table.setBackground(new Color(0, 196, 0));
    table.setLayout(new BorderLayout());
    table.add("Center",
          new Label("Images Loading...", Label.CENTER));
    add("Center", table);

    // 3. Load the images
    MediaTracker mt = new MediaTracker(this);
    for (int i = 0; i < 13; i++)
    {
      deck[i]      = getImage(getCodeBase(), "cards/c" + (i + 1) +".gif");
      deck[13 + i] = getImage(getCodeBase(), "cards/d" + (i + 1) +".gif");
      deck[26 + i] = getImage(getCodeBase(), "cards/h" + (i + 1) +".gif");
      deck[39 + i] = getImage(getCodeBase(), "cards/s" + (i + 1) +".gif");

      if (deck[i] == null) System.out.println("Couldn't load");

      mt.addImage(deck[i],      0);
      mt.addImage(deck[13 + i], 0);
      mt.addImage(deck[26 + i], 0);
      mt.addImage(deck[39 + i], 0);
    }

    try
    {
      mt.waitForAll();
      remove(table);
    }
    catch (InterruptedException ie)
    {
      table.add("Center",
            new Label("AAAARGGGGGGG......", Label.CENTER));
    }
    click = getAudioClip(getCodeBase(), "audio/click.au");
    bell  = getAudioClip(getCodeBase(), "audio/cowbell.au");
  }
    
  //  Handle the Button Presses
  public boolean action(Event e, Object o)
  {
    mode = NONE;

    if (e.target == show)
    {
      out("Show pressed");
      mode = SHOW;
      repaint();
      bell.play();
    }
    else if (e.target == deal)
    {
      out("Deal pressed");
      dealCards();
      mode = DEAL;
      repaint();
    }
    else if (e.target == shuffle)
    {
      out("Shuffle pressed");
      curDeck = shuffleCards();
      curCard = 0;
    }

    return true;
  }

  private void dealCards()
  {
    // 1. Check to make sure we can deal
    if (curCard >= 52 - 5) // Not enough cards
    {
      curDeck = shuffleCards();
      curCard = 0;
    }

    // 2. Deal the cards
    int i;
    for (i = 0; i < 5 && curCard+i < deck.length; i++)
    {
      hand[i] = deck[curDeck[curCard+i]];
    }
    curCard += i;
  }

  int[] shuffleCards()
  {
    int[] a = new int[52];

    for (int i = 0; i < 52; i++)
      a[i] = i;

    for (int i = 0; i < 52; i++)
    {
      int temp = a[i];
      int idx2 = (int) (Math.random() * 52);
      a[i] = a[idx2];
      a[idx2] = temp;
    }
    return a;
  }

  public void paint(Graphics g)
  {
    int imw = deck[0].getWidth(this) + 4;
    int imh = deck[0].getHeight(this)+ 4;

    g.setColor(getBackground());
    g.fillRect(0, 0, size().width, size().height);

    out("In paint() # 1");
    switch (mode)
    {
      case DEAL:
        out("In paint # 2");
        g.drawString("#2", 100, 100);
        for (int i = 0; i < 5; i++)
        {
          g.drawImage(hand[i], i * imw, 0, this);
          click.play();
        }
        break;
      case SHOW:
        out("In paint # 3");
        g.drawString("#3", 100, 100);
        for (int i = 0; i < 13; i++)
        {
          g.drawImage(deck[i],      i * imw, 0, this);
          g.drawImage(deck[13 + i], i * imw, imh, this);
          g.drawImage(deck[26 + i], i * imw, imh * 2, this);
          g.drawImage(deck[39 + i], i * imw, imh * 3, this);
          click.play();
        }
        break;
    }
    g.dispose();
  }
  // Debuffing methods
  static final boolean DEBUG = false;
  void out(String s)
  {
    if (DEBUG)
      System.out.println(s);
  }
}