package awb;

import java.awt.*;

// Steve Ruby

public class HangmanScreen extends Canvas
{
    private int myPartNum;
    private int myWidth;
    private int myHeight;
    private char[] myWord;
    private boolean complete;
    private boolean doWord;
    
    public HangmanScreen()
    {
	myWidth = 300;
	myHeight = 300;
	myPartNum = 0;
	setBackground(Color.white);
	doWord = false;
    }

    public Dimension preferredSize()
    {
        return new Dimension(myWidth,myHeight);
    }

    public Dimension minimumSize()
    {
        return new Dimension(myWidth,myHeight);
    }

    public void setWord(char[] word)
    {
	myWord = word;
	doWord = true;
	repaint();
    }
    
    private void drawGallows(Graphics g)
    {
	g.drawLine(myWidth/2+myWidth/6,myHeight/8,myWidth/2+myWidth/6,myHeight/2+myHeight/8); //main post
	g.drawLine(myWidth/2+myWidth/6,myHeight/8,myWidth/2,myHeight/8);  // horizontal headpiece
	g.drawLine(myWidth/2,myHeight/8,myWidth/2,myHeight/8+myHeight/16); // vertical headpiece
	g.drawLine(myWidth/2,myHeight/2+myHeight/8,myWidth/2+myWidth/5,myHeight/2+myWidth/8); //base
    }

    private void drawHead(Graphics g)
    {
	g.drawOval(myWidth/2-myWidth/16,myHeight/8+myHeight/16,myWidth/8,myHeight/8);
    }

    private void drawBody(Graphics g)
    {
	g.drawLine(myWidth/2,myHeight/4+myHeight/16,myWidth/2,myHeight/2);
    }
    
    private void drawArm(Graphics g,String side)
    {
	if (side.equals("left"))
	{
	    g.drawLine(myWidth/2,myHeight/4+myHeight/8,myWidth/2-myWidth/8,myHeight/4+myHeight/16);
	}
	else
	    g.drawLine(myWidth/2,myHeight/4+myHeight/8,myWidth/2+myWidth/8,myHeight/4+myHeight/16);
	    
    }

    private void drawLeg(Graphics g,String side)
    {
	if (side.equals("left"))
	{
	    g.drawLine(myWidth/2,myHeight/2,myWidth/2-myWidth/8,myHeight/2+myHeight/16);
	}
	else
	    g.drawLine(myWidth/2,myHeight/2,myWidth/2+myWidth/8,myHeight/2+myHeight/16);
	     
    }

    private void drawWord(Graphics g)
    {
	String s = new String("");
	int k=0;
        complete = true;
	while (k<myWord.length)
	{
	    if (myWord[k] != '\u0000')
	    {
	        char temp = myWord[k];		    
		s += temp;
	    }
	    else
	    {
		s+="_";
		complete = false;
	    }
	    k++;
	}
	Font f = new Font("Helvetica",Font.BOLD,18);
	g.setFont(f);
	FontMetrics fm = g.getFontMetrics(f);
	g.drawString(s,(myWidth/2 - fm.stringWidth(s)/2),(myHeight-myHeight/10 +fm.getHeight()/2));
	
    }

    private void doWinner(Graphics g)
    {
	Font f = new Font("Helvetica",Font.BOLD,16);
	g.setFont(f);
	FontMetrics fm = g.getFontMetrics(f);
	g.setColor(Color.red);
	String s1 = "Congratulations!  You win!.";
	String s2 = "Click for new word";
	g.drawString(s1,(myWidth/2 - fm.stringWidth(s1)/2), (myHeight-myHeight/5));
	g.drawString(s2,(myWidth/2 - fm.stringWidth(s2)/2), (myHeight-myHeight/5+fm.getHeight()));
    }
    
    private void doLoser(Graphics g)
    {
	Font f = new Font("Helvetica",Font.BOLD,16);
	g.setFont(f);
	FontMetrics fm = g.getFontMetrics(f);
	g.setColor(Color.red);
	String s1 = "Uh-oh.  Looks like you're hung.";
	String s2 = "Click for new word";
	g.drawString(s1,(myWidth/2 - fm.stringWidth(s1)/2), (myHeight-myHeight/5));
	g.drawString(s2,(myWidth/2 - fm.stringWidth(s2)/2), (myHeight-myHeight/5+fm.getHeight()));
    }
    
    public void doNextPart()
    {
	myPartNum++;
	repaint();
    }

    public void clear()
    {
	myPartNum = 0;
	doWord = false;
	complete = false;
	repaint();
	
    }
    
    public void paint(Graphics g)
    {

	if (doWord)
	{
	    drawWord(g);
	}
	drawGallows(g);

	if (complete)
	    doWinner(g);
	
	if (myPartNum >= 1)
	{
	    drawHead(g);
	}
        if (myPartNum >= 2) 
	{
	    drawBody(g);
	}
        if (myPartNum >= 3)
	{
	    drawArm(g,"left");
	}
        if (myPartNum >= 4)
	{
	    drawArm(g,"right");
	}
        if (myPartNum >= 5)
	{
	    drawLeg(g,"left");
	}
        if (myPartNum >= 6)
	{
	    drawLeg(g,"right");
	    doLoser(g);
	}
	
    }

  
}