import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JTextField;



/**
 * this class creates a GUI for playing a game and testing it.
 * Not part of Project Specification
 * This Applet is hosted on net at
 * http://www.freewebs.com/justsans/play.html
 * @author sanshack
 *
 */
//the start of an applet - HelloWorld will be the executable class
//Extends applet means that you will build the code on the standard Applet class
public class GameManager extends Applet implements MouseListener,ActionListener, ItemListener, WindowListener
{
	public static boolean gameStatus=true;
	public static int posArray;
	public static String initialPosition="xxxxxxxxxxxxxxxxxxxxxxx";
	public static int moveNo =0;
	public static int offset=50;
	public static int level=6;
	public static int todo=0;
	public static String message;
	public static int playerMode=0;
	JPanel jp;
	JButton playButton;
	Button in,playerMode2,playerMode1;
	JTextField jf;
	boolean mouseEntered;
	int xpos;
	int ypos;
//The method that will be automatically called  when the applet is started
	public void init() 
	{
	// It is required but does not need anything.
		setLayout(new FlowLayout());
		// initialze the button and give it a text.
		// jp= new JPanel();
		//playButton = new JButton("Play");
		// text and length of the field
		
		
		// now that all is set we can add these components to the applet
		//jp.add(playButton);	
		Panel tb = new Panel();
		jf = new JTextField("Enter level here");
		jf.addActionListener(this);
		tb.add(jf);
		
		in=new Button("Play Again");
		in.addActionListener(this);
		tb.add(in);
		
		playerMode2=new Button("Play Auto Mode");
		playerMode2.addActionListener(this);
		tb.add(playerMode2);
		
		
		playerMode1=new Button("Play On Click");
		playerMode1.addActionListener(this);
		tb.add(playerMode1);
		
		
		
		add(tb,BorderLayout.NORTH);
		
		addMouseListener(this);
		//jp.setVisible(true);
	}
	
public void mouseClicked (MouseEvent me) {
		
		// Save the coordinates of the click lke this.
		xpos = me.getX();
		ypos = me.getY();
		
		// Check if the click was inside the rectangle area.
		/*if (xpos > rect1xco && xpos < rect1xco+rect1width && ypos >rect1yco && ypos < rect1yco+rect1height) 
			rect1Clicked = true;
		// if it was not then rect1Clicked	is false;
		else 
			rect1Clicked = false;*/
		//show the results	of the click
		if(playerMode==0)
			repaint();			
				
	}

	// This is called when the mous has been pressed
	public void mousePressed (MouseEvent me) {}
	
	// When it has been released
	// not that a click also calls these Mouse-Pressed and Released.
	// since they are empty nothing hapens here.
	public void mouseReleased (MouseEvent me) {
		if(gameStatus==true) {
			todo=0;repaint();
		}
		
		}	
	
	// This is executed when the mouse enters the applet. it will only
	// be executed again when the mouse has left and then re-entered.
	public void mouseEntered (MouseEvent me) {
		// Will draw the "inside applet message"
		mouseEntered = true;
		//repaint();
	}
	
	// When the Mouse leaves the applet.
	public void mouseExited (MouseEvent me) {
		// will draw the "outside applet message"
		mouseEntered = false;
		//repaint();
	}	

	
	


//This method gets called when the applet is terminated
//That's when the user goes to another page or exits the browser.
	public void stop() 
	{
	// required but no actions neede here now.
	}


//The standard method that you have to use to paint things on screen
//This overrides the empty Applet method, you can't called it "display" for example.
	
	public void paint(Graphics g) 
	{
	//method to draw text on screen
	// String first, then x and y coordinate.
		//g.drawString("Nine Men Morris",20,20);
		System.out.println("i am here="+moveNo);
		//jp.setVisible(true);
		
		g.drawString("Playing at level="+level, 10, 10);
		g.drawRect(0+offset, 0+offset, 500, 500);
		g.drawRect(50+offset, 50+offset, 400, 400);
		g.drawRect(100+offset, 100+offset, 300, 300);
		g.drawLine(0+offset,0+offset, 100+offset, 100+offset);
		g.drawLine(0+offset,500+offset, 100+offset, 400+offset);
		g.drawLine(500+offset,0+offset, 400+offset, 100+offset);
		g.drawLine(500+offset,500+offset, 400+offset, 400+offset);
		g.drawLine(250+offset, 0+offset, 250+offset, 100+offset);
		g.drawLine(0+offset, 250+offset, 100+offset, 250+offset);
		g.drawLine(250+offset, 500+offset, 250+offset, 450+offset);
		g.drawLine(500+offset, 250+offset, 400+offset, 250+offset);
		String tempString = initialPosition.toLowerCase();	
		
		drawCoins(g,tempString);
		switch(todo) {
		case 0: 
			System.out.println("i am here1");
			if (gameStatus==false) {
				//System.exit(0);
				break;
			}
			System.out.println("i am here2");
				moveNo++;	
				if(moveNo%2==1){
					message="Black to Move";
					todo=1;					
					repaint();
				} else {
					message="White to Move";
					todo=1;					
					repaint();
				}
				String finalPosition;
				if(moveNo <=18) {
					if(moveNo%2==1) {
						finalPosition= new MMab().getMaxMove(initialPosition,level,0);
						System.out.println("this guy is using non improved:move="+moveNo);
					} else {
						 
						finalPosition= new MMab().getMaxMove(Utility.reverseColors(initialPosition),level,0);
						finalPosition = Utility.reverseColors(finalPosition);
					}
					
				} else {				
					if(moveNo%2==1) {
						finalPosition = new MMab().getMaxMove(initialPosition,level,1);
					} else {					 
						finalPosition= new MMab().getMaxMove(Utility.reverseColors(initialPosition),level,1);
						finalPosition = Utility.reverseColors(finalPosition);
					}
					int x= Utility.countChar(finalPosition,'W');
					int y= Utility.countChar(finalPosition,'B');
					if(x<=2) {
						message="Black Won";
						todo=1;
												
						gameStatus=false;
						repaint();
						//break;
					} else if(y <= 2) {
						message="White Won";
						todo=1;
						gameStatus=false;
						repaint();
						//break;
					}
					
				}			
			initialPosition = finalPosition;
			break;
		case 1:
			
			g.drawString(message,550+offset,250+offset);
		}
		
		if(playerMode==1&& gameStatus==true ) {
			try {
				Thread.sleep(10);
				todo=0;
				repaint();
			} catch(Exception e){System.out.println("interupted");}
		}
			
	}
	
	public void actionPerformed(ActionEvent ae)
	{
		String cmd=ae.getActionCommand();
		
		if (cmd.equals("Play Again"))
		{	
			moveNo=0;
			gameStatus=true;
			playerMode=0;
			initialPosition="xxxxxxxxxxxxxxxxxxxxxxx";
			int temp=level;
			try {
			temp = Integer.parseInt(jf.getText());
			}catch(Exception e) {}
			level=temp;
			repaint();
		}
		if (cmd.equals("Play Auto Mode"))
		{	
			playerMode=1;			
			repaint();
		}
		if (cmd.equals("Play On Click"))
		{	
			playerMode=0;			
			//repaint();
		}
		if (cmd.equals("Enter level here"))
		{	
			moveNo=0;
			gameStatus=true;
			playerMode=0;
			level = Integer.parseInt(jf.getText());
			initialPosition="xxxxxxxxxxxxxxxxxxxxxxx";
			repaint();
		}
		
	}
	
	public static void drawCoins(Graphics g,String initialPosition) {
		int width=30;
		int height=30;
		for(int i=0;i<23;i++) {
			int x,y;
			x=getCood(i,1)+offset;
			y=getCood(i,2)+offset;
			switch(initialPosition.charAt(i)) {
			case 'x':break;
			case 'w':
				g.drawOval(x-width/2, y-width/2, width, height);
				//g.drawRect(x-width/2, y-width/2, width, height);				
				break;
			case 'b':
				g.fillOval(x-width/2, y-width/2, width, height);
				break;
			}
		}
	}
	
	public static int getCood(int pos,int mode) {
		int x,y;
		x=y=0;
		switch(pos) {
		case 0:
			x=0;y=500;
			break;
		case 1:
			x=250;y=500;
			break;
		case 2:
			x=500;y=500;
			break;
		case 3:
			x=50;y=450;
			break;
		case 4:
			x=250;y=450;
			break;
		case 5:
			x=450;y=450;
			break;
		case 6:
			x=100;y=400;
			break;
		case 7:
			x=400;y=400;
			break;
		case 8:
			x=0;y=250;
			break;
		case 9:
			x=50;y=250;
			break;
		case 10:
			x=100;y=250;
			break;
		case 11:
			x=400;y=250;
			break;
		case 12:
			x=450;y=250;
			break;
		case 13:
			x=500;y=250;
			break;
		case 14:
			x=100;y=100;
			break;
		case 15:
			x=250;y=100;
			break;
		case 16:
			x=400;y=100;
			break;
		case 17:
			x=50;y=50;
			break;
		case 18:
			x=250;y=50;
			break;
		case 19:
			x=450;y=50;
			break;
		case 20:
			x=0;y=0;
			break;
		case 21:
			x=250;y=0;
			break;
		case 22:
			x=500;y=0;
			break;
		
		}
		if(mode==1) return x;
		return y;
	}
	
	 public void windowDeiconified(WindowEvent event) {
	    }
	    public void windowIconified(WindowEvent event) {
	    }
	    public void windowActivated(WindowEvent event) {
	    }
	    public void windowDeactivated(WindowEvent event) {
	    }
	    public void windowOpened(WindowEvent event) {
	    }
	    public void windowClosed(WindowEvent event) {
	    }
	    public void windowClosing(WindowEvent event) {   	
	    	setVisible(false);
	    	System.exit(0);
	        }
	    public void itemStateChanged(ItemEvent ae)
		{
			//repaint();
		}

}