package examples;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
 
public class MouseExample {
	
	private List<Box> shapes = new ArrayList<Box>(16);
	private boolean sis = false;
	private boolean cct = false;
    public void start() {
        try {
	    Display.setDisplayMode(new DisplayMode(900,600));
	    Display.setTitle("Mouse Example");
	    Display.create();
	} catch (LWJGLException e) {
	    e.printStackTrace();
	    System.exit(0);
	}
        
    shapes.add(new Box(15,15));
        
	// init OpenGL
	GL11.glMatrixMode(GL11.GL_PROJECTION);
	GL11.glLoadIdentity();
	GL11.glOrtho(0, 900, 600, 0, 1, -1);
	GL11.glMatrixMode(GL11.GL_MODELVIEW);
 
	while (!Display.isCloseRequested()) {
	    // Clear the screen and depth buffer
	    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);	
	    
	    while(Keyboard.next())
	    {
	    	if(Keyboard.getEventKey() == Keyboard.KEY_C && Keyboard.getEventKeyState())
	    	{
	    		shapes.add(new Box(15,15));
	    	}
	    }
		
	    if (Keyboard.isKeyDown(Keyboard.KEY_ESCAPE))
	    {
	    	Display.destroy();
	    	System.exit(0);
	    }
	    
	    for(Box box : shapes)
	    {
	    	if (Mouse.isButtonDown(0) && box.inBounds(Mouse.getX(), 600 - Mouse.getY()) && !sis )
	    	{
	    		sis = true;
	    		box.selected = true;
	    		System.out.println("clicked");
	    	}
	    	
	    	if (Mouse.isButtonDown(1))
	    	{
	    		sis = false;
	    		box.selected = false;
	    	}
	    	
	    	if (Mouse.isButtonDown(2) && box.inBounds(Mouse.getX(), 600 - Mouse.getY()) && !sis)
	    	{
	    		box.randColors();
	    		cct = true;
	    		new Thread( new Runnable(){
	    			@Override 
	    			public void run(){
	    				try {
	    					Thread.sleep(200);
	    				}catch(InterruptedException e){
	    					e.printStackTrace();
	    					
	    				}finally{
	    					cct = false;
	    				}
	    			}
	    		}).run();
	    	}
	    	
	    	if (box.selected){
	    		box.update(Mouse.getDX(), -Mouse.getDY());
	    	}
	    	
	    	box.draw();
	    }
 
	    Display.update();
	    Display.sync(60);
	    
	}
 
	Display.destroy();
    }
    
    private static class Box
    {
    	public int x , y;
    	public boolean selected = false;
    	private float colorRed , colorBlue , colorGreen;
    	
    	Box(int x , int y)
    	{
    		this.x = x;
    		this.y = y;
    		
    		Random randgen = new Random();
    		colorRed = randgen.nextFloat();
    		colorBlue = randgen.nextFloat();
    		colorGreen = randgen.nextFloat();
    	}
    	
    	boolean inBounds(int mousex , int mousey)
    	{
    		if (mousex > x && mousex < x + 50 && mousey > y && mousey < y + 50)
    			return true;
    		else 
    			return false;
    	}
    	
    	void update(int dx , int dy )
    	{
    		x += dx;
    		y += dy;
    	}
    	
    	void randColors()
    	{
    		Random randgen = new Random();
    		colorRed = randgen.nextFloat();
    		colorBlue = randgen.nextFloat();
    		colorGreen = randgen.nextFloat();
    	}
    	void draw()
    	{
    		GL11.glColor3f(colorRed, colorGreen, colorBlue);
    		GL11.glBegin(GL11.GL_QUADS);
    			GL11.glVertex2f(x, y);
    			GL11.glVertex2f(x + 50, y);
    			GL11.glVertex2f(x + 50, y + 50);
    			GL11.glVertex2f(x, y + 50);
    		GL11.glEnd();
    	}
    }
 
    public static void main(String[] argv) {
        MouseExample mouseExample = new MouseExample();
        mouseExample.start();
    }
}