import com.teamdev.jxbrowser.browser.Browser;
import com.teamdev.jxbrowser.engine.Engine;
import com.teamdev.jxbrowser.engine.EngineOptions;
import com.teamdev.jxbrowser.engine.RenderingMode;
import com.teamdev.jxbrowser.js.JsAccessible;
import com.teamdev.jxbrowser.js.JsObject;
import com.teamdev.jxbrowser.navigation.event.FrameLoadFinished;
import com.teamdev.jxbrowser.view.swing.BrowserView;
import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;

/**
 * O exemplo demonstra como integrar GUI construída com HTML/CSS/JavaScript 
 * numa aplicação de ambiente de trabalho Java Swing.
 */
public final class HelloWorld {

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            JButton newAccountButton = new JButton("New account...");
            newAccountButton.addActionListener(e -> createAccount());

            JPanel contentPane = new JPanel();
            contentPane.add(newAccountButton);

            JFrame frame = new JFrame("HTML GUI Example");
            frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
            frame.add(contentPane, BorderLayout.CENTER);
            frame.setSize(300, 75);
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
        });
    }

    private static void createAccount() {
        JDialog dialog = new JDialog();
        dialog.setTitle("New Account");
        dialog.setModal(true);

        // Criar e inicializar o motor
        EngineOptions options = EngineOptions.newBuilder(
                RenderingMode.HARDWARE_ACCELERATED).build();
        Engine engine = Engine.newInstance(options);

        // Criar o Browser
        Browser browser = engine.newBrowser();
        browser.navigation().on(FrameLoadFinished.class, event -> {
            JsObject window = event.frame().executeJavaScript("window");
            if (window != null) {
                // Injecta o objeto Java em JavaScript
                AccountService accountService = new AccountService();
                accountService.dialog = dialog;
                window.putProperty("AccountService", accountService);
            }
        });

        // Carregar HTML com a GUI HTML/CSS/JavaScript
        browser.navigation().loadUrl("file:///Users/me/dialog.html");

        dialog.addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                // Fecha a instância do motor
                engine.close();
                // Fecha o diálogo
                dialog.setVisible(false);
                dialog.dispose();
            }
        });
        dialog.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
        // Incorpora o componente Swing BrowserView na caixa de diálogo.
        dialog.add(BrowserView.newInstance(browser), BorderLayout.CENTER);
        dialog.setSize(400, 500);
        dialog.setResizable(false);
        dialog.setVisible(true);
    }

    public static final class AccountService {

        JDialog dialog;

        @JsAccessible
        public void createAccount(String firstName, String lastName,
                String phone, String email) {
            Account account = new Account();
            account.firstName = firstName;
            account.lastName = lastName;
            account.phone = phone;
            account.email = email;
            SwingUtilities.invokeLater(() -> {
                dialog.dispose();
                JOptionPane.showMessageDialog(null,
                        "Created Account: " + account);
            });
        }
    }

    public static final class Account {

        String firstName;
        String lastName;
        String phone;
        String email;

        @Override
        public String toString() {
            return "Account {" +
                    "firstName='" + firstName + '\'' +
                    ", lastName='" + lastName + '\'' +
                    ", phone='" + phone + '\'' +
                    ", email='" + email + '\'' +
                    '}';
        }
    }
}