/* 
 * Program to paint a blue dot in the context of the Nonrepresentational 
 * Painting world, NPW. 
 */

package npw;

import java.awt.Color;
import java.util.Random;
import java.util.Scanner;
import javax.swing.*;

import painter.SPainter;
import shapes.SSquare;

public class Stella {
    //THE SOLUTION TO THE BLUE DOT PROBLEM
    private void paintTheImage() {
        int numberOfSquares = getNumber("Number of concentric squares");
        SPainter painter = new SPainter("Stella", 800, 800);
        int squareSide = 700;
        SSquare square = new SSquare(squareSide);
        Color color1 = randomColor();
        Color color2 = randomColor();
        int sFactor = squareSide/(numberOfSquares+1);
        paintOneSquare(square,painter,numberOfSquares,color1,color2,sFactor);
    }

    private void paintOneSquare(SSquare square, SPainter painter,int numberOfSquares, Color color1, Color color2,int sFactor) {
        int i = 0;
        while (i<=numberOfSquares){
            if(i%2==0){
                painter.setColor(color1);
                painter.paint(square);
                square.shrink(sFactor);

            }else{
                painter.setColor(color2);
                painter.paint(square);
                square.shrink(sFactor);
            }
            i=i+1;
        }
    }
    private int getNumber(String s) {
        String numberOfSquares = JOptionPane.showInputDialog(null,s+"?");
        Scanner scanner = new Scanner(numberOfSquares);
        return scanner.nextInt();
    }
    private Color randomColor() {
        Random rgen = new Random();
        int r = rgen.nextInt(256);
        int g = rgen.nextInt(256);
        int b = rgen.nextInt(256);
        return new Color(r,g,b);
    }

    // REQUIRED INFRASTRUCTURE

    public Stella() {
        paintTheImage();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new Stella();
            }
        });
    }


}