package lab8;
import javax.swing.*;
import javax.swing.Timer;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;



class Okno extends JFrame{
    private Container tlo;
    private MojPanel mp = new MojPanel();
    public Okno(String tyt, int x0, int y0, int szer, int wys){
    super(tyt);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setBounds(x0,y0,szer,wys);
    tlo=getContentPane();
    budujUI();
    setVisible(true);
    }
    private void budujUI(){
        tlo.setLayout(new BorderLayout());
        JPanel gorny = new JPanel();
        tlo.add(gorny, BorderLayout.NORTH);
        gorny.setBackground(Color.YELLOW);
        tlo.add(mp, BorderLayout.CENTER);
        JButton koniec = new JButton("Koniec");
        gorny.add(koniec);
        koniec.addActionListener(new ActionListener() {
        @Override
            public void actionPerformed(ActionEvent e)
            {
                dispose();
            }
        });

        JButton odczyt = new JButton("Odczytaj");
        gorny.add(odczyt);
        odczyt.addActionListener(new ActionListener() {
        @Override
            public void actionPerformed(ActionEvent e)
            {

                Random r = new Random();
               Kulka k =  new Kulka(250+r.nextInt(100),250+r.nextInt(100),10,new Color(r.nextInt(256),r.nextInt(256),r.nextInt(256)),r.nextInt(21)-10,r.nextInt(21)-10);
                figury.add(k);
            }
        });

    }
}
class MojPanel extends JPanel{
    Timer t;

    private ArrayList <Figura> figury = new ArrayList<>();
    public MojPanel(){
        super();

        Random r = new Random();
        for (int i = 0; i<=0;i++){
            Kulka k =  new Kulka(250+r.nextInt(100),250+r.nextInt(100),10,new Color(r.nextInt(256),r.nextInt(256),r.nextInt(256)),r.nextInt(21)-10,r.nextInt(21)-10);
            figury.add(k);
            Kwadrat t =  new Kwadrat(250+r.nextInt(100),250+r.nextInt(100),20,new Color(r.nextInt(256),r.nextInt(256),r.nextInt(256)),r.nextInt(21)-10,r.nextInt(21)-10);
            figury.add(t);
            Trojkat v =  new Trojkat(250+r.nextInt(100),250+r.nextInt(100),20,new Color(r.nextInt(256),r.nextInt(256),r.nextInt(256)),r.nextInt(21)-10,r.nextInt(21)-10);
            figury.add(v);
            poly h =  new poly(250+r.nextInt(100),250+r.nextInt(100),20,new Color(r.nextInt(256),r.nextInt(256),r.nextInt(256)),r.nextInt(21)-10,r.nextInt(21)-10);
            figury.add(h);
        }



        setBackground(Color.WHITE);
        t = new Timer(20, new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e){
                    for(Figura f: figury){
                        f.rusz(getWidth(),getHeight());
                    }
                    repaint();
                }
    });
        t.start();
    }
    @Override
    public void paintComponent(Graphics g){
        super.paintComponent(g);
        for(Figura f: figury){
            f.rysuj(g);
        }
    }
}

abstract class Figura{
    protected int x,y,r,vx,vy;
    protected Color k;
    public Figura(int xx,int yy,int rr,Color kk, int vxvx,int vyvy){
        x = xx;
        y = yy;
        r = rr;
        k = kk;
        vx = vxvx;
        vy = vyvy;
    }
    abstract public void rysuj(Graphics g);
    public void rusz(int szer, int wys){
        if(x>=szer-r || x<=r){
            vx=-vx;
        }
        if(y>=wys-r || y<=r){
            vy=-vy;
        }
         x+=vx;
         y+=vy;
    }
}




class Kulka extends Figura{


    public Kulka(int xx,int yy,int rr,Color kk, int vxvx,int vyvy){
        super(xx,yy,rr,kk,vxvx,vyvy);
    }
    @Override
    public void rysuj(Graphics g){
        g.setColor(k);
        g.fillOval(x-r,y-r,2*r,2*r);
    }
}

public class Lab8 {
    public static void main(String[] args) {
        Okno o = new Okno("Kulki",100,100,1700,1100);
        private ArrayList <Figura> figury = new ArrayList<>();
    }

}

class Kwadrat extends Figura{


    public Kwadrat(int xx,int yy,int rr,Color kk, int vxvx,int vyvy){
        super(xx,yy,rr,kk,vxvx,vyvy);
    }
    @Override
    public void rysuj(Graphics g){
        g.setColor(k);
        g.fillRect(x-r,y-r,2*r,2*r);
    }
}

class Trojkat extends Figura{


    public Trojkat(int xx,int yy,int rr,Color kk, int vxvx,int vyvy){
        super(xx,yy,rr,kk,vxvx,vyvy);
    }
    @Override
    public void rysuj(Graphics g){
        g.setColor(k);
        int[] a={x,(x+r),x,(x-r)};
        int[] b={(y-r),y,(y+r),y};
        g.fillPolygon(a,b,3);
    }
}

class poly extends Figura{


    public poly(int xx,int yy,int rr,Color kk, int vxvx,int vyvy){
        super(xx,yy,rr,kk,vxvx,vyvy);
    }
    @Override
    public void rysuj(Graphics g){
        g.setColor(k);
        int[] a={x,(x+r),x,(x-r)};
        int[] b={(y-r),y,(y+r),y};
        g.fillPolygon(a,b,4);
    }
}