package padrinho;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.util.HashMap;
import java.util.Random;

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

public class Padrinho {

	private static HashMap<Character, Color> map;
	private static String pedido;
	private static char[] letras;

	private static void init() {
		map = new HashMap<Character, Color>();
		pedido = "senhor veterano de barba rija e bem cuidada, aceita ser meu padrinho?";
		letras = pedido.toCharArray();

		for (char l : letras) {

			if (isSpaceChar(l)) {
				map.put(l, new Color(238, 238, 238));
			} else {
				if (!map.containsKey(l)) {
					map.put(l, getRandomColor());
				}
			}

		}

		JFrame frame = new JFrame();
		frame.setSize(500, 500);
		frame.setVisible(true);
		JPanel panel = new JPanel() {
			public void paint(java.awt.Graphics g1) {

				Graphics2D g = (Graphics2D) g1;
				g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
						RenderingHints.VALUE_ANTIALIAS_ON);

				int x = 10;
				int y = 10;

				for (char l : letras) {

					Character c = (Character) l;

					if (!isSpaceChar(l)) {
						g.setColor(Color.BLACK);
						g.fillOval(x - 1, y - 1, 42, 42);
					}

					g.setColor(map.get(c));
					g.fillOval(x, y, 40, 40);

					x += 50;

					if (x > 450) {
						x = 10;
						y += 50;
					}

				}

			};
		};
		frame.setContentPane(panel);
	}

	private static boolean isSpaceChar(char l){
		return (l+"").equals(" ") ? true : false;
	}

	private static Color getRandomColor() {
		Random rng = new Random();
		return new Color(rng.nextInt(255), rng.nextInt(255), rng.nextInt(255));
	}

	public static void main(String[] args) {
		init();
	}

}