>C< Prayer potion Drinker V0.2

@ScriptManifest(author = "Castro_", info = "", logo = "https://i.imgur.com/4EG1pKu.png", name = ">C< Prayer Potion Drinker", version = 0.1)
public class Main extends Script {

    public int drink_at = 0;

    public String[] prayer_potions = { "Prayer potion(1)", "Prayer potion(2)", "Prayer potion(3)", "Prayer potion(4)" };

    public boolean gui_COMPLETE = false;

    public void onStart() {

        log("Waiting on GUI...");

        GUI gui = new GUI();

        Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize();
        int screenW = screensize.width / 2;
        int screenH = screensize.height / 2;

        gui.frmc.setVisible(true);
        gui.frmc.setLocation(screenW / 2, screenH / 2);

        while (!this.gui_COMPLETE) {
            try {
                sleep(300L);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        gui.frmc.setVisible(false);

        log("GUI completed.");

    }

    @Override
    public int onLoop() throws InterruptedException {


        if (getSkills().getDynamic(Skill.PRAYER) <= drink_at && getSkills().getDynamic(Skill.PRAYER) != getSkills().getStatic(Skill.PRAYER)) {

            drink_prayer_potions();
        }

        return random(20, 40);
    }

    public void drink_prayer_potions() {

        if (getInventory().contains(prayer_potions)) {

            Optional<Item> prayerPotion = Arrays.stream(getInventory().getItems())
                    .filter(item -> item != null && item.getName().startsWith("Prayer potion"))
                    .min(Comparator.comparing(Item::getName));

            if (prayerPotion.isPresent()) {
                Item pot_to_drink = prayerPotion.get();

                pot_to_drink.interact("Drink");

                new ConditionalSleep(random(3000, 4000)) {

                    @Override
                    public boolean condition() {
                        return myPlayer().getAnimation() != 829;
                    }

                }.sleep();
            }

        } else {

            if (!getInventory().contains(prayer_potions)) {

                log("Out of prayer potions.");
                stop(false);

            }
        }
    }

    public class GUI {

        private JFrame frmc;
        private JTextField textField;

        public GUI() {
            initialize();
        }

        /**
         * Initialize the contents of the frame.
         */
        private void initialize() {
            frmc = new JFrame();
            frmc.setResizable(false);
            frmc.setTitle(">C< PPD");
            frmc.setBounds(100, 100, 227, 120);
            frmc.getContentPane().setLayout(null);

            textField = new JTextField();
            textField.setBounds(55, 11, 46, 20);
            frmc.getContentPane().add(textField);
            textField.setColumns(10);

            JLabel lblDrinkAt = new JLabel("Drink at");
            lblDrinkAt.setBounds(10, 14, 46, 14);
            frmc.getContentPane().add(lblDrinkAt);

            JLabel lblPrayerPoints = new JLabel("prayer points.");
            lblPrayerPoints.setBounds(111, 14, 77, 14);
            frmc.getContentPane().add(lblPrayerPoints);

            JButton btnStart = new JButton("Start");
            btnStart.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent arg0) {

                    drink_at = Integer.parseInt(textField.getText());

                    gui_COMPLETE = true;

                }
            });
            btnStart.setBounds(10, 57, 201, 23);
            frmc.getContentPane().add(btnStart);

            JLabel lblRandomizedBy = new JLabel("Prioritises lower doses first.");
            lblRandomizedBy.setForeground(Color.GRAY);
            lblRandomizedBy.setBounds(10, 32, 201, 23);
            frmc.getContentPane().add(lblRandomizedBy);
        }
    }

}