import	java.awt.*;
import	java.awt.event.*;
import	java.applet.*;
/**	"Bulls & Cows" aka "Mastermind"
 */
public class vacca extends Applet implements MouseListener
{
	static	int[][]	guesses	=new int[10][4];	//colour guesses
	static	int[]	actual	=new int[4];		//actual colours
	static	int[]	result	=new int[4];		//bulls & cows
	static	int[]	work1	=new int[4];		//work area
	static 	int[]	work2	=new int[4];		//work area
	static	int	number_of_guesses=0;
	static	int	peg=0;				//the peg to be chosen next
	static	int	width,height,debug;		//from html
	static	boolean	finished=false;			//true after correct solution or 10 tries
	static	Font	f_small	=new Font("SansSerif",Font.PLAIN,10);
	static	Font	f_big	=new Font("SansSerif",Font.PLAIN,20);
	static	Font	f_huge	=new Font("SansSerif",Font.PLAIN,30);

	public	void	init()
	{setBackground(Color.gray);
	 addMouseListener(this);
	 width	=Integer.parseInt(getParameter("width"));
	 height	=Integer.parseInt(getParameter("height"));
	 String	Debug	=getParameter("debug");
	 if	(Debug == null)	debug=0;
	 else	debug	=Integer.parseInt(Debug);
	 init_actual();					//make 4 random coloured pegs for guessing
	}

	public	void	mouseClicked(MouseEvent event)
	{
	 Point	click	=event.getPoint();
	 int	x = click.x-20;
	 int	y = click.y-30;
	 if	(((y / 20) == 0) && ((x / 20) >= 0) && ((x / 20) < 6))
	 	if	(finished)	if	((x / 20) == 0)		//green peg clicked
					{finished=false; number_of_guesses=0; peg=0; init_actual();}
					else ;
		else	{guesses[number_of_guesses][peg] = (x / 20); peg++;}
	 if	(peg == 4) {number_of_guesses++; peg=0;}
	 repaint();
	}

	public void paint(Graphics g)
	{
	 g.setFont(f_small);
	 g.drawRect(5,5,width-10,height-10);				//draw border rectangle
         g.drawString("Click a coloured peg",20,16);			//show coloured pegs to choose from
	 for	(int i=0; i < 6; i++)
	 {
	  g.setColor(getColour(i));
	  g.fillOval(20+20*i,30,16,16);
	 }
	 g.setFont(f_huge); g.setColor(Color.black);
	 g.drawString("Bulls",20,160); g.drawString("and",20,200); g.drawString("Cows",20,240);
	 g.setFont(f_small);
	 finished=showGuesses(g);					//show guesses + bulls & cows
	 hidden(finished,g);						//show hidden code & status of game
	 if	(finished)
		g.drawString("Click the green peg to restart",20,350);
	}

	static	Color getColour(int i)
	{switch (i)
	 {case	0:	return Color.green;
	  case	1:	return Color.blue;
	  case	2:	return Color.red;
	  case	3:	return Color.white;
	  case	4:	return Color.black;
	  case	5:	return Color.yellow;
	  default:	return Color.gray;
	 }
	}

	static	void	init_actual()
	{
	 for	(int i=0; i<4; i++){actual[i] = (int) (6 * Math.random());}
	}

	static	void	hidden(boolean show, Graphics g)
	{Color	j;
	 for	(int i=0; i<4; i++)
	 {j	=Color.black; if (show || (debug == 1)) j=getColour(actual[i]);
	  g.setColor(j); g.fillOval(200+20*i,290,16,16);
	 }
	 g.setColor(Color.black);
	 if	((debug == 1) && !show) g.drawString("debug",300,300);
	 g.drawRect(200-5,290-5,90,25);
	 if	(!show) g.drawString("Guess the hidden code",20,300);
	 else	{g.setFont(f_big);
		 if	(is_correct())
			{g.setColor(Color.blue);
			 g.drawString("You WIN !",20,300);
			}
		 else	
			{g.setColor(Color.red);
			 g.drawString("You LOSE !",20,300);
			}
		 g.setColor(Color.black);
		 g.setFont(f_small);
		}
	}

	static	boolean	showGuesses(Graphics g)
	{int	i,j,k,l,m;
	 m=0;												//#bulls+cows
	 for	(i=0; i<number_of_guesses; i++)
	 {
	  for	(j=0; j<4; j++)
	  {g.setColor(getColour(guesses[i][j])); g.fillOval(200+20*j,30+20*i,16,16);
	   work1[j]=guesses[i][j]; work2[j]=actual[j]; result[j]=6;
	  }
	 m=0;
	 for	(j=0; j<4; j++) if (work1[j]==work2[j]) {result[m]=4;m++;work1[j]=-1;work2[j]=-2;}	//bulls
	 for	(j=0; j<4; j++)
	  for	(k=0; k<4; k++) if (work1[j]==work2[k]) {result[m]=3;m++;work1[j]=-1;work2[k]=-2;}	//cows
	 for	(j=0; j<m; j++) {g.setColor(getColour(result[j])); g.fillOval(300+20*j,30+20*i,16,16);}
	 }
	 for	(j=0; j<peg;j++) {g.setColor(getColour(guesses[i][j])); g.fillOval(200+20*j,30+20*i,16,16);}
	 g.setColor(Color.black);
	 if	((!is_correct()) && (number_of_guesses < 10))
	 {for	(j=peg; j<4; j++)g.drawOval(200+20*j,30+20*i,16,16);
	  g.drawString("Guess number " + java.lang.Integer.toString(i+1),400,40+20*i);
	 }
	return	(is_correct() || (number_of_guesses >= 10));
	}

	static	boolean is_correct()
	{int	i=number_of_guesses - 1;
	 int	j=0;
	 if	(i >= 0) while ((j < 4) && (actual[j] == guesses[i][j])) j++;
	 return	(j == 4);
	}
	 
	 
	public	void	mousePressed(MouseEvent event) {}
        public  void    mouseEntered(MouseEvent event) {}
        public  void    mouseExited(MouseEvent event) {}
        public  void    mouseReleased(MouseEvent event) {}

}