import java.applet.*;
import java.awt.*;
import java.lang.Math;

public class Matches extends Applet {

	Frame 		window;
	Image		matchbox;
	AudioClip	win;
	AudioClip	lose;
	Board		board;
	TextField	textField;
	BotNav		navigation;
	int		count;

  public void init() {
	this.count = 0;
	matchbox = getImage(getCodeBase(), "matches.gif");
	win = getAudioClip(getCodeBase(), "whoopy.au");
	lose = getAudioClip(getCodeBase(), "rehot.au");
	setLayout(new BorderLayout());
	board = new Board(this);
	textField = new TextField("To start press the Start button");
	textField.setEditable(false);
	navigation = new BotNav(this);	
	add("North", navigation);
	add("Center", board);
	add("South", textField);
  }

  public void setCount(int value) {
	this.count = value;
  }

  public int getCount() {
	return this.count;
  }

  public int getTurn(int old, int choosen) {
	int getback;
	switch((old+choosen)%4) {
	case 0:
		if (choosen == 1) {
		  getback =  2;
		} else {
		  getback = 1;
		}
		break;
	case 1:
		getback = 4 - choosen;
		break;
	case 2:
		if (choosen == 2) {
		  getback = 3;
		} else {
		  getback = 1;
		}
		break;
	default:
		if (choosen == 1) {
		  getback = 1;
		} else {
		  getback = 3;
		}
		break;
	}
	return getback;
  }		

  public void myTurn() {
	int turn;
	int select = navigation.getSelected();
	if (count == 1) {
		textField.setText("You WIN !!!");
		win.play();
	} else {
		switch(count%4) {
        	case 1:
			turn = (int)(Math.random()*3+1);
                	break;
        	default:
			turn = getTurn(count, select);
			break;
        	}
		count = count - turn;
		board.repaint();
		if (count == 1) {
		  textField.setText("I took " + turn + " and you LOSE !!!");
		  lose.play();
		} else {
		  textField.setText("Ok...i took " + turn + ", and you ?");
		}
		navigation.counter.setText((String.valueOf(count).toString()));
  	}
  }	
}

class Board extends Canvas {

	Matches		parent;

  Board(Matches contr) {
	super();
	parent = contr;
  }

  public void paint(Graphics g) {
	int x = 0;
	int y = -70;
	int jump = 0;
	int p = 0;
	Color wood = new Color(255, 255, 153);
	Color bground = new Color(100, 200, 100);
	Color logo = new Color(100, 250, 100);
	g.setColor(bground);
	g.fillRect(0, 0, size().width - 1, size().height - 1);
	g.setColor(logo);
	g.drawString("(c)1996 by MK", size().width - 99, size().height - 7);	
	g.drawImage(parent.matchbox, (int)((size().width/5)*4), (int)(size().height/2), this); 
	int rep = parent.getCount();
	for (int i = 0; i < rep; i++) {
		int line = (i%20);
		if (line == 0) {
			jump = 20 * p++;
			y += 90;
		}
		x = (i - jump) * 20 + 20;	
		g.setColor(Color.black);
		g.fillRect(x, y, 6, 10);
		g.setColor(wood);
		g.fillRect(x , y+10, 6, 60);
	}
  }
}

class BotNav extends Panel {

	Matches		parent;
	TextField	counter;
	Label		lcounter;
	Label		lchoice;
	Choice		choice;	
	Button		submit;
	Button		start;
	Button		accept;
	int		selected = 1;
	String		content;

  BotNav(Matches contr) {
	super();
	parent = contr;
	counter = new TextField(3);
	counter.setEditable(false);
	lcounter = new Label("       Counter:");
	lchoice = new Label("     Your turn:");
	choice = new Choice();
	choice.addItem("1");
	choice.addItem("2");
	choice.addItem("3");
	start = new Button("Start");
	submit = new Button("Submit");
	accept = new Button("Accept");
	setLayout(new GridLayout(1,7));
	add(start);
	add(lcounter);
	add(counter);
	add(accept);
	add(lchoice);
	add(choice);
	add(submit);
  }

  public int getSelected() {
	return this.selected;
  }

  public boolean handleEvent(Event e) {
	if (e.target instanceof Choice) {
		int result = parent.getCount();
		if (result > 1) {
			selected = choice.getSelectedIndex() + 1;
			if ((result - selected) < 1) {
			  parent.textField.setText("EEEEK ! Are you crazy ?");
			} else {
			  parent.textField.setText("Your choice is " + selected + ", you can submit it !");
			}
		}
		return true;
	}
	if (e.target instanceof Button) {
		if ((e.arg.toString()) == "Start") {
			parent.setCount(0);
			parent.board.repaint();
			parent.textField.setText("Ok...now choose count of matches");
			counter.setEditable(true);
			counter.requestFocus();
			return true;
		}
		if ((e.arg.toString()) == "Accept") {
			boolean edit = counter.isEditable();
			if (edit) {
			  content = counter.getText();
			  int count = Integer.valueOf(content).intValue();
			  if ((count > 60) || (count < 2)) {
		  	    parent.textField.setText("Choose min. 2 and max. 60 matches");
			    counter.requestFocus();
			  } else {
			    counter.setEditable(false);
			    counter.nextFocus();
		  	    parent.setCount(count);
			    parent.board.repaint();
			    parent.textField.setText("Now it's your turn");
			  }
			}
			return true;
		}			
		if ((e.arg.toString()) == "Submit") {
			int newcount = parent.getCount();
			if (newcount > 1) {
			  	if ((newcount - selected) < 1) {
			    	  if (newcount == 3) {
			      		parent.textField.setText("Take 2 !!!");
			    	  } else {
			      		parent.textField.setText("Take 1 !!!"); 
				  }				
			    	} else {
				  newcount -= selected;
			 	  parent.setCount(newcount);
				  parent.board.repaint();
				  counter.setText((String.valueOf(newcount).toString()));
				  parent.myTurn();
				  return true;
				}
			}
			return false;
		}
	}
	return false;
  }
}