import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.File;
import java.io.IOException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;


public class Window extends JFrame implements ActionListener, WindowListener {
    private JButton yes;
    private JButton no;

    private JLabel question;

    private JPanel panel;
    private JPanel panel1;
    private JPanel panel2;

    private GridLayout layout;

    private String[] questions = {
        "This is a test question, please press 'YES'.",
        "This is a test question, please press 'NO'.",
        "This is a test question, please press what you want."
    };

    private int qNumber;

    private BufferedWriter writer;

    public static void main(String args[]) {
        JFrame frame = new Window();
    }

    public Window() {
        yes = new JButton("Yes");
        no = new JButton("No");

        question = new JLabel("undefined");

        panel = new JPanel();
        panel1 = new JPanel();
        panel2 = new JPanel();

        layout = new GridLayout(2, 0);

        try {
            writer = new BufferedWriter(new FileWriter("answers.csv"));
        } catch(Exception e) {
            System.out.println("[ERROR] can't open file");
        }

        // ---

        yes.addActionListener(this);
        no.addActionListener(this);

        // ---

        panel1.add(question);

        panel2.add(yes);
        panel2.add(no);

        panel.setLayout(layout);
        panel.add(panel1);
        panel.add(panel2);

        this.add(panel);

        // ---

        question.setText(questions[0]);
        qNumber = 1;

        // ---

        this.setTitle("Question Game");

        this.setSize(new Dimension(500, 95));
        this.setResizable(false);

        this.setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent event) {
        if(event.getSource() == yes) {
            try {
                writer.append(qNumber + ";yes\n");

                question.setText(questions[qNumber]);
                qNumber++;
            } catch(Exception e) {
                System.out.println("[INFO] Exit program...");
                System.exit(1);
            }
        }
        if(event.getSource() == no) {
            try {
                writer.append(qNumber-1 + ";no\n");;

                question.setText(questions[qNumber]);
                qNumber++;
            } catch(Exception e) {
                System.out.println("[INFO] Exit program...");
                System.exit(1);
            }
        }
    }

    @Override
    public void windowClosing(WindowEvent e) {
        try {
            writer.close();
        } catch (Exception exc) {
            System.out.println("[ERROR] can't save answers");
        }

        System.exit(0);
    }

    @Override
    public void windowActivated(WindowEvent e) {}

    @Override
    public void windowClosed(WindowEvent e) {}

    @Override
    public void windowDeactivated(WindowEvent e) {}

    @Override
    public void windowDeiconified(WindowEvent e) {}

    @Override
    public void windowIconified(WindowEvent e) {}

    @Override
    public void windowOpened(WindowEvent e) {}

}