public class GUI extends JFrame {
    String[] lvls = {"Pirate Cave", "Forest Maze", "Spider Den","testic"};
    JComboBox<String> lvlMenu;
    JComboBox<String> dropsMenu;
    JPanel topPanel;
    JPanel inputPanel;
    JPanel buttonTextPanel;
    JButton appendButton;
    JTextArea inputTextArea;
    JLabel selectAmmountLabel;
    JPanel textAreaPanel;

    String[] pirateCaveDrops = {"Pirate Rum", "First Mate's Hook"};
    String[] forestMazeDrops = {"Speed Sprouts", "Pet Eggs"};
    String[] spiderDenDrops = {"Healing Ichor", "Spider's Eye Ring", "Poison Fang Dagger"};
    HashMap<String, String[]> lvlMap = new HashMap<>();



    public GUI() {
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setLayout(new GridLayout(0,1));
        selectAmmountLabel = new JLabel("Select ammount:");
        topPanel = new JPanel();
        inputPanel = new JPanel(new GridLayout(0,1));

        buttonTextPanel = new JPanel();
        textAreaPanel = new JPanel();
        textAreaPanel.setLayout(new BorderLayout());


        appendButton = new JButton("Done");

        inputTextArea = new JTextArea();

        lvlMenu = new JComboBox<>(lvls);
        dropsMenu = new JComboBox<>(pirateCaveDrops);
        topPanel.add(lvlMenu);
        topPanel.add(dropsMenu);
        textAreaPanel.add(inputTextArea,BorderLayout.CENTER);

        inputPanel.add(selectAmmountLabel);
        inputPanel.add(buttonTextPanel);

        buttonTextPanel.add(textAreaPanel);

        buttonTextPanel.add(appendButton);




        add(topPanel);
        add(inputPanel);
        setTitle("Realm of the Mad God Item tracker");



        lvlMap.put("Pirate Cave", pirateCaveDrops);
        lvlMap.put("Forest Maze", forestMazeDrops);
        lvlMap.put("Spider Den", spiderDenDrops);

        lvlMenu.addActionListener(e -> {
            JComboBox jcb = (JComboBox) e.getSource();
            String lvlName = jcb.getSelectedItem().toString();
            dropsMenu.removeAllItems();

            if(lvlMap.containsKey(lvlName)){
                for(String s : lvlMap.get(lvlName)){
                    dropsMenu.addItem(s);
                }
            }
            else{
                dropsMenu.addItem("No Items Found");
            }
        });



    }



}