/*
    * Copyright (C) 2013 4th Line GmbH, Switzerland
    *
    * The contents of this file are subject to the terms of either the GNU
    * Lesser General Public License Version 2 or later ("LGPL") or the
    * Common Development and Distribution License Version 1 or later
    * ("CDDL") (collectively, the "License"). You may not use this file
    * except in compliance with the License. See LICENSE.txt for more
    * information.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   */
  
  package org.fourthline.cling.support.shared;
  
  import org.fourthline.cling.UpnpService;
  import org.seamless.util.logging.LoggingUtil;
  import org.seamless.swing.AbstractController;
  import org.seamless.swing.Application;
  import org.seamless.swing.logging.LogCategory;
  import org.seamless.swing.logging.LogController;
  import org.seamless.swing.logging.LogMessage;
  import org.seamless.swing.logging.LoggingHandler;
  
  import javax.swing.BorderFactory;
  import javax.swing.JFrame;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JWindow;
  import javax.swing.UIManager;
  import java.awt.Dimension;
  import java.awt.Frame;
  import java.util.List;
  import java.util.logging.Handler;
  import java.util.logging.Level;
  import java.util.logging.LogManager;
  
  /**
   * @author Christian Bauer
   */
  public abstract class MainController extends AbstractController<JFrame> {
  
      // Dependencies
      final private LogController logController;
  
      // View
      final private JPanel logPanel;
  
      public MainController(JFrame view, List<LogCategory> logCategories) {
          super(view);
  
          // Some UI stuff (of course, why would the OS L&F be the default -- too easy?!)
          try {
              UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
          } catch (Exception ex) {
              System.out.println("Unable to load native look and feel: " + ex.toString());
          }
  
          // Exception handler
          System.setProperty("sun.awt.exception.handler", AWTExceptionHandler.class.getName());
  
          // Shutdown behavior
          Runtime.getRuntime().addShutdownHook(new Thread() {
              @Override
              public void run() {
                  if (getUpnpService() != null)
                      getUpnpService().shutdown();
              }
          });
  
          // Logging UI
          logController = new LogController(this, logCategories) {
              @Override
              protected void expand(LogMessage logMessage) {
                  fireEventGlobal(
                          new TextExpandEvent(logMessage.getMessage())
                  );
              }
  
              @Override
              protected Frame getParentWindow() {
                  return MainController.this.getView();
              }
          };
          logPanel = logController.getView();
          logPanel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0));
  
          // Wire UI into JUL
          // Don't reset JUL root logger but add if there is a JUL config file)
          Handler handler = new LoggingHandler() {
              protected void log(LogMessage msg) {
                  logController.pushMessage(msg);
              }
          };
          if (System.getProperty("java.util.logging.config.file") == null) {
              LoggingUtil.resetRootHandler(handler);
          } else {
             LogManager.getLogManager().getLogger("").addHandler(handler);
         }
     }
 
     public LogController getLogController() {
         return logController;
     }
 
     public JPanel getLogPanel() {
         return logPanel;
     }
 
     public void log(Level level, String msg) {
         log(new LogMessage(level, msg));
     }
 
     public void log(LogMessage message) {
         getLogController().pushMessage(message);
     }
 
     @Override
     public void dispose() {
         super.dispose();
         ShutdownWindow.INSTANCE.setVisible(true);
         new Thread() {
             @Override
             public void run() {
                 System.exit(0);
             }
         }.start();
     }
 
     public static class ShutdownWindow extends JWindow {
         final public static JWindow INSTANCE = new ShutdownWindow();
 
         protected ShutdownWindow() {
             JLabel shutdownLabel = new JLabel("Shutting down, please wait...");
             shutdownLabel.setHorizontalAlignment(JLabel.CENTER);
             getContentPane().add(shutdownLabel);
             setPreferredSize(new Dimension(300, 30));
             pack();
             Application.center(this);
         }
     }
 
     public abstract UpnpService getUpnpService();
 
 }