import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Window extends JPanel implements ActionListener {

	public int width, height;

	public Window(String title, int width, int height) {
		this.width = width;
		this.height = height;
		JFrame frame = new JFrame(title);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(width, height);
		frame.setLocationRelativeTo(null);
		frame.setResizable(false);
		frame.setVisible(true);

		setPreferredSize(new Dimension(width, height));
		frame.add(this);
		frame.pack();

		// Add inputs
		Mouse m = new Mouse();
		addMouseListener(m);
		addMouseMotionListener(m);
		Keys k = new Keys();
		frame.addKeyListener(k);

		init();
		Timer timer = new Timer(10,this);
		timer.start();
	}

	 int[][] grid = new int[60][60];
	    int x = 10,y = 10;
	    boolean pressed;

	//Initialize
	public void init() {
		        grid[x][y] = 1;
		        pressed = false;

	}
	 public void updateGrid() {
	        for (int y = 0; y < 60; y++) {
	            for (int x = 0; x< 60; x++) {
	                if(grid[x][y] != 0) {
	                    grid[x][y] += 250;//number adjusts the length of fade
	                    if(grid[x][y] > 255) {
	                        grid[x][y] = 255;
	                    }
	                }
	            }

	        }
	    }

	    public void paint(Graphics g) {
	        super.paint(g); //Clears the Screen
	        setBackground(Color.WHITE);


	        if(Keys.up) {
	            if(!pressed) {
	                pressed = true;
	                y--;
	                updateGrid();
	            }
	        }else if(Keys.down) {
	            if(!pressed) {
	                pressed = true;
	                y++;
	                updateGrid();
	            }
	        }else if(Keys.left) {
	            if(!pressed) {
	                pressed = true;
	                x--;
	                updateGrid();
	            }
	        }else if(Keys.right) {
	            if(!pressed) {
	                pressed = true;
	                x++;
	                updateGrid();
	            }

	        }else {
	            pressed = false;
	        }

	        //Bound check
	        if(x < 0)
	            x = 0;
	        if(x > 59)
	            x = 59;
	        if(y < 0)
	            y = 0;
	        if(y > 59)
	            y = 59;



	        grid[x][y] = 1;
	       //fresh fade
	        for(int y = 0; y < 60; y++) {
	            for(int x = 0; x < 60; x++) {
	                if(grid[x][y] != 0) {
	                    int c = grid[x][y];
	                    g.setColor(new Color(c,c,c));
	                    g.fillRect(32*x, 32*y, 4, 4);

	                }
	            }
	        }




	        repaint();
	    }



	//Update
	public void actionPerformed(ActionEvent arg0) {

		repaint();
	}







}