import javax.swing.*;
import java.awt.*;
import java.io.*;
import javax.imageio.*;
import java.awt.image.BufferedImage;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class Okno extends JFrame {

    int number,radius,x,x1,y,y1;



    StringBuilder ss = new StringBuilder();

    public Okno() {
        this.setSize(1024, 768);
        this.setTitle("Skalowanko");
        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        Thread th = new Thread(() -> {
            while(true) {
                try {
                    Thread.sleep(1500);
                } catch (Exception e) {
                }
                this.number = (int) (Math.random() * 3);
                this.radius = (int) (Math.random() * (getHeight() / 2));
                this.x = (int) (Math.random() * (getHeight()));
                this.y = (int) (Math.random() * (getWidth()));

                ss.append(number + " " + radius + " " + x + " " + y + " ");

//                try {
//                    BufferedWriter writer = new BufferedWriter(new FileWriter("plik.txt", true));
//                    writer.append(String.valueOf(number) + ' ' + String.valueOf(radius) + ' ' + String.valueOf(x) + ' ' + String.valueOf(y) + '\n');
//                    writer.close();
//                } catch (IOException e) {}

                repaint();
                System.out.println("x: " + x + " ,y: " + y);
            }
        });
        th.start();
    }

    @Override
    public void paint(Graphics g) {
        super.paint(g);
        g.setColor(new Color(255, 1, 100));

        switch (number) {
            case 1:
                g.drawOval(x, y, radius, radius);
                break;
            case 2:
                g.drawRect(x, y, radius, radius);
                break;
            case 0:
                g.drawPolygon(new int[]{x, radius, x}, new int[]{y, y, radius}, 3);
                break;
        }


    }