private void save() {
        if (!validatePassword()) {
            return;
        }

        User user = Session.getInstance().getUser();
        user.setPassword(String.valueOf(newPasswordField.getPassword()));

        try {
            UserDao service = new UserDaoImpl();
            service.update(user);
            showSucceed("Password berhasil diganti");
        } catch (SQLException e) {
            showWarning("Password gagal diganti");
        }
    }

    private boolean validatePassword() {
        String password = String.valueOf(newPasswordField.getPassword());

        if (password.isEmpty()) {
            showWarning("Password masih kosong");
            return false;
        }

        return true;
    }

    private void showWarning(String message) {
        JOptionPane.showMessageDialog(this, message, "Sukses", JOptionPane.ERROR_MESSAGE);
    }

    private void showSucceed(String message) {
        JOptionPane.showMessageDialog(this, message, "Gagal", JOptionPane.INFORMATION_MESSAGE);
    }