package npw;
/* 
 * Program to paint a rectangle, centered in the canvas, made up of randomly 
 * colored, black framed squares. 
 */
import painter.SPainter;
import shapes.SSquare;

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

public class Number2 {
    // The solution to the graphical problem.
    private void paintTheImage() {
        // Get the input information fron the user.
        int nrOfRows = getNumber("rows");
        int nrOfColumns = getNumber("columns");
        int sizeOfSquare = getNumber("square side length");
        // Establish the painter.
        int height = nrOfRows * sizeOfSquare;
        int width = nrOfColumns * sizeOfSquare;
        SPainter miro = new SPainter("Number 1", width + 50, height + 50);
        miro.setBrushWidth(4);
        SSquare square = new SSquare(sizeOfSquare);
        // Paint the rectangles.
        paintRectangle(miro, square, nrOfRows, nrOfColumns);

        // new Srectangles

    }

    private static int getNumber(String prompt) {
        String nss = JOptionPane.showInputDialog(null, prompt + "?");
        Scanner scanner = new Scanner(nss);
        return scanner.nextInt();
    }

    private static void paintRectangle(SPainter miro, SSquare square,
                                       int nrOfRows, int nrOfColumns) {
        // Position the painter to paint the rectangle of squares.
        miro.mlt(((nrOfColumns - 1) / 2.0) * square.side());
        miro.mbk(((nrOfRows - 1) / 2.0) * square.side());
        // Paint the rectangle of squares.
        int i = 1;
        while (i <= nrOfRows) {
            paintOneRow(miro, nrOfColumns, square);
            miro.mfd(square.side());
            i = i + 1;
        }
        // Make the method invariant with respect to painter position.

    }

    private static void paintOneRow(SPainter miro, int nrOfColumns, SSquare square) {
        int i = 1;
        while (i <= nrOfColumns) {
            miro.setColor(randomColor());
            square.s2();
            miro.paint(square);
            miro.setColor(Color.BLACK);
            miro.draw(square);
            square.x2();
            miro.mrt(square.side());
            i = i + 1;
        }
        miro.mlt(nrOfColumns * square.side());
    }

    private static void paintOneSquare(SPainter miro, SSquare square) {
        miro.setColor(randomColor());  //set color
        miro.paint(square);   //paint sqaure
        miro.setColor(Color.BLACK);
        miro.draw(square);


    }

    private static 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, b, g);
    }

    public Number2() {
        paintTheImage();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new Number2();
            }
        });
    }
}