import javax.swing.*;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;

public class gui extends JFrame implements ActionListener, ItemListener, DocumentListener{

    ArrayList <String> ChordsAL = new ArrayList();

    public gui()
    {
        setTitle("Moosic");
        setSize(500, 500);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JButton Okay = new JButton("Okay");
        JLabel ChordLabel = new JLabel("Check the chords you would like to randomly generate here: ");
        JCheckBox A = new JCheckBox("A", false);
        JCheckBox B = new JCheckBox("B", false);
        JCheckBox C = new JCheckBox("C", false);
        JCheckBox D = new JCheckBox("D", false);
        JCheckBox E = new JCheckBox("E", false);
        JCheckBox F = new JCheckBox("F", false);
        JCheckBox G = new JCheckBox("G", false);
        JTextArea ChordArea = new JTextArea(8, 40);

        JPanel ChordGenerator = new JPanel();
        JPanel Button = new JPanel();
        JPanel Label = new JPanel();
        GridLayout Grid = new GridLayout(7,1);
        FlowLayout ButLay = new FlowLayout();

        add(Label);
        Label.add(ChordLabel);

        add(ChordGenerator);
        setLayout(Grid);
        ChordGenerator.add(A);
        A.addItemListener(this);
        ChordGenerator.add(B);
        B.addItemListener(this);
        ChordGenerator.add(C);
        C.addItemListener(this);
        ChordGenerator.add(D);
        D.addItemListener(this);
        ChordGenerator.add(E);
        E.addItemListener(this);
        ChordGenerator.add(F);
        F.addItemListener(this);
        ChordGenerator.add(G);
        G.addItemListener(this);

        setLayout(ButLay);
        add(Okay);
        Okay.addActionListener(this);
        add(ChordArea);
        ChordArea.setText("kjsf;lkasdjf;lkasdjf;lkadjf;laksdjf;laskdjf;laksdjf;lkashflkjndlknb dfkjvhbajfhasdfhaosdijfoasihfkjshgouhg");
        ChordArea.setEditable(false);
        ChordArea.setLineWrap(true);
        setVisible(true);
    }
    public void itemStateChanged(ItemEvent evt)
    {
        if(evt.getItemSelectable() instanceof JCheckBox)
        {
            JCheckBox Temp = (JCheckBox)evt.getItemSelectable();
            if(evt.getStateChange() == ItemEvent.SELECTED)
            {
                ChordsAL.add(Temp.getText());
            }
            if(evt.getStateChange() == ItemEvent.DESELECTED)
            {
                ChordsAL.remove(Temp.getText());
            }

            //System.out.print(" " + ChordsAL);
        }
    }
    public void actionPerformed(ActionEvent event)
    {
        String command = event.getActionCommand();
        if(command.equals("Okay"))
        {
            String Amount = JOptionPane.showInputDialog("How many chords would you like to generate? ");
            int AmountInt = Integer.parseInt(Amount);

            int Counter = 0;

            while(Counter < AmountInt)
            {
                int Rand = (int)((Math.random() * ChordsAL.size()));
                String Chord = ChordsAL.get(Rand);
                Counter++;
            }
        }
    }
    public void changedUpdate(DocumentEvent evt)
    {

    }
    public void insertUpdate(DocumentEvent evt)
    {

    }
    public void removeUpdate(DocumentEvent evt)
    {

    }
    public static void main(String[] args)
    {
        gui ShowGUI = new gui();
    }
}