import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Spill {
    static int M = 5, N = 7;

    static JButton[][] knapper = new JButton[M][N];
    static boolean[][] spillbrett = new boolean[M][N];
    static JLabel harVunnet;
    public static void main(String[] args){
        JFrame vindu = new JFrame("Flipp-spill");
        vindu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel basis = new JPanel();
        JPanel rutenett = new JPanel();
        rutenett.setLayout(new GridLayout(M,N));
        for (int i = 0; i < M; i++){
            for (int j = 0; j < N; j++){
                JButton knapp = new JButton("a");
                knapp.addActionListener(new Trykkbehandler(i, j));
                knapp.setOpaque(true);
                knapp.setBorderPainted(false);
                knapper[i][j] = knapp;
                rutenett.add(knapp);
            }
        }
        JButton shuffleKnapp = new JButton();
        shuffleKnapp.addActionListener(
            new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                shuffle();
                oppdater();
                
            }
        });
        harVunnet = new JLabel("Du har ikke vunnet");
        shuffle();
        oppdater();
        basis.add(harVunnet);
        basis.add(shuffleKnapp);
        basis.add(rutenett);
        vindu.add(basis);
        vindu.setVisible(true);
        vindu.pack();
    }
    static class Trykkbehandler implements ActionListener{
        int i, j;
        public Trykkbehandler(int i, int j){
            this.i = i;
            this.j = j;
        }
        @Override
        public void actionPerformed(ActionEvent e){
            System.out.println("trykket ("+i + " "+j+")");
            flip(i, j);
            oppdater();
        }

    }
    static void flip(int i,int  j){
        for (int stegi = i-1; stegi < i+2; stegi++){
            for (int stegj = j-1; stegj < j+2; stegj++){
                try {
                    spillbrett[stegi][stegj] = !spillbrett[stegi][stegj];
                } catch (IndexOutOfBoundsException e) {
                    //TODO: handle exception
                }
            }
        }
    }
    static void oppdater(){
        for (int i = 0; i < M; i++){
            for (int j = 0; j < N; j++){
                if (spillbrett[i][j]) knapper[i][j].setBackground(Color.GREEN);
                else knapper[i][j].setBackground(Color.RED);
            }
        }
        if (sjekk()){
            harVunnet.setText("Du har vunnet");
        } 
        else{
            harVunnet.setText("Du har ikke vunnet");
        }

    }
    static void shuffle(){
        for (int teller =  0; teller<1; teller++ ){
            double rj = Math.random()*N;
            double ri = Math.random()*M;
            flip((int)ri,(int)rj);
        }
    }
    static boolean sjekk(){
        System.out.println("Hei på deg");
        boolean første = spillbrett[0][0];
        for (int i = 0; i < M; i++){
            for (int j = 0; j < N; j++){
                System.out.println(spillbrett);

                if (spillbrett[i][j] != første) return false;
            }
        }
        return true;
    }

}