/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.autoupdate;

import java.net.URL;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JButton;
import javax.swing.JOptionPane;

import org.openide.util.NbBundle;
import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.awt.HtmlBrowser;

/** This class performs the notification if found in the XML file
 *
 * @author  Petr Hrebejk
 */
class Notification extends Object {

    /** Module notification accepted */
    private static boolean accepted = false;
    
    /** The Notification dialog */
    private static java.awt.Dialog dialog = null;
    
    /** This class is a singleton */
    private Notification() {
    }

    /** Tests whether XML file contains notification tag. If so opens modal
    * dialog with the notification.
    * @return True if there was a notification, false if not.
    */

    static boolean performNotification( Updates updates, AutoupdateType at ) {

        final String text = updates.getNotificationText();
        final URL url = updates.getNotificationURL();

        if ( text == null ) {
            return false;
        }

        // impl #24786, remeber and check last showed notification
        Settings settings = Settings.getShared ();
        if (settings.getAcceptedNotifications () == null) {
            settings.setAcceptedNotifications (new HashMap ());
        }
        Map mapNotifications = settings.getAcceptedNotifications ();
        Integer lastNotificationId = (Integer)mapNotifications.get (new Integer (at.getName ().hashCode ()));
        if (lastNotificationId != null && lastNotificationId.intValue () == text.hashCode ()) {
            // message have been showed previously
            return false;
        } else {
            mapNotifications.put (new Integer (at.getName ().hashCode ()), new Integer (text.hashCode ()));
            settings.setAcceptedNotifications (mapNotifications);
        }

        final JButton closeButton = new JButton (
                                        getBundle("CTL_Notification_Close")
                                    );
        closeButton.getAccessibleContext ().setAccessibleName (getBundle("ACS_Notification_Close"));
        final JButton urlButton = new JButton (
                                      getBundle("CTL_Notification_URL")
                                  );
        urlButton.getAccessibleContext ().setAccessibleName (getBundle("ACS_Notification_URL"));

        JOptionPane pane = new JOptionPane (
                               text,
                               JOptionPane.INFORMATION_MESSAGE,
                               JOptionPane.DEFAULT_OPTION
                           );

        pane.setOptions (new Object[] {});
        pane.getAccessibleContext ().setAccessibleName (getBundle( "ACS_Notification_Title" ));

        DialogDescriptor dd = new DialogDescriptor (
                                  pane,
                                  getBundle( "CTL_Notification_Title" ),
                                  true,
                                  DialogDescriptor.DEFAULT_OPTION,
                                  DialogDescriptor.OK_OPTION,
                                  new ActionListener () {
                                      public void actionPerformed (ActionEvent ev) {
                                          /*
                                          dialog.setVisible (false);
                                          dialog.dispose ();
                                          dialog = null;
                                          */
                                          if (ev.getSource () == urlButton ) {
                                              // display www browser
                                              if ( url != null ) {
                                                  javax.swing.SwingUtilities.invokeLater( new Runnable() {
                                                                                              public void run() {
                                                                                                  HtmlBrowser.URLDisplayer.getDefault ().showURL( url );
                                                                                              }
                                                                                          } );
                                              }
                                          }
                                      }
                                  }
                              );

        dd.setOptions( url != null ? new Object[] {closeButton, urlButton} :
                       new Object[] {closeButton} );
        dd.setClosingOptions( null );
        dialog = DialogDisplayer.getDefault().createDialog( dd );
        dialog.show ();
        return true;
    }

    static boolean performModuleNotification( String text ) {

        if ( text == null ) {
            return false;
        }

        final JButton cancelButton = new JButton (
                                        getBundle("CTL_Notification_Cancel")
                                    );
        cancelButton.getAccessibleContext ().setAccessibleName (getBundle("ACS_Notification_Cancel"));
        
        final JButton okButton = new JButton (
                                      getBundle("CTL_Notification_OK")
                                  );
        okButton.getAccessibleContext ().setAccessibleName (getBundle("ACS_Notification_OK"));

        JOptionPane pane = new JOptionPane (
                               text,
                               JOptionPane.INFORMATION_MESSAGE,
                               JOptionPane.DEFAULT_OPTION
                           );
        pane.getAccessibleContext ().setAccessibleName (getBundle( "ACS_Notification_Title" ));

        pane.setOptions (new Object[] {});

        DialogDescriptor dd = new DialogDescriptor (
                                  pane,
                                  getBundle( "CTL_Notification_Title" ),
                                  true,
                                  DialogDescriptor.DEFAULT_OPTION,
                                  DialogDescriptor.OK_OPTION,
                                  new ActionListener () {
                                      public void actionPerformed (ActionEvent ev) {
                                          if ( ev.getSource() == okButton )
                                              accepted = true;
                                          else
                                              accepted = false;

                                          dialog.setVisible( false );
                                      }
                                  }
                              );

        dd.setOptions( new Object[] {okButton, cancelButton} );
        dd.setClosingOptions( null );
        dialog = DialogDisplayer.getDefault().createDialog( dd );
        accepted = false;
        dialog.show();

        return accepted;        
    }
    
    private static String getBundle( String key ) {
        return NbBundle.getMessage( Notification.class, key );
    }
}