package bouncing;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;

import gui.LinePanel;

public class BallPanel extends JPanel implements KeyListener, MouseListener{
	private static final int WIDTH = 750;
	private static final int HEIGHT = 750;
	private static final int NR_BALLS = 100;
	Random rnd = new Random();
	
	private ArrayList<Ball> ballList;
	private Ball newBall;
	
	public BallPanel() {
		ballList = new ArrayList<Ball>();
		for (int i = 0; i<NR_BALLS; i++){
			ballList.add(new Ball());
		}
		Timer t = new Timer();
		t.scheduleAtFixedRate(new UpdateTimerTask(), 0, 20);
		this.addKeyListener(this);
		this.addMouseListener(this);
	}
	
	@Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        for (Ball ball:ballList) {
        	ball.draw(g);
        }
	}
        
	public class UpdateTimerTask extends TimerTask{

		@Override
		public void run() {
			for (Ball ball:ballList) {
				ball.update();
			}
			if (newBall != null) {
				newBall.grow();
			}
			repaint();
		}
		
	}

	@Override
	public void addNotify() {
		super.addNotify();
		this.requestFocusInWindow();
	}
	
	@Override
	public void keyTyped(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void keyPressed(KeyEvent e) {
		// TODO Auto-generated method stub
		if (e.getKeyCode() == 107) {
			ballList.add(new Ball());
		}
		else if (e.getKeyCode() == 109) {
			ballList.remove(0);
		}
	}

	@Override
	public void keyReleased(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void mouseClicked(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub
		Point p = e.getPoint();
		//System.out.println(p);
		for (int i = 0; i<ballList.size(); i++) {
			Ball b = ballList.get(i);
			if (b.inArea(p)) {
				ballList.remove(i);
				return;
			}
		}
		newBall = new Ball(p.x, p.y);
		newBall.freeze();
		ballList.add(newBall);
	}

	@Override
	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub
		if (newBall!=null) {
			newBall.unfreeze();
			newBall = null;
		}	
	}

	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}
	
	public static void main(String[] args)
    {
        JFrame f = new JFrame();
        f.setSize(WIDTH,HEIGHT);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setTitle("Ballen tekenen");
        f.setLocation(10, 10);
        JPanel hoofdpaneel = new BallPanel();
        f.add(hoofdpaneel);
        f.setVisible(true);
    }
	
}