package org.dancres.blitz.tools.dash;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import java.util.logging.Logger;
import java.util.logging.Level;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.UIManager;
import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.ImageIcon;

import org.dancres.blitz.remote.StatsAdmin;
import org.dancres.blitz.stats.Stat;

public class DashBoardFrame extends JFrame
    implements Runnable{

    static final Logger theLogger =
            Logger.getLogger("org.dancres.blitz.tools.dash.DashBoardFrame");

    private StatsAdmin _admin; 
    private DashBoard _dashBoard;
    private Thread _updater;
    private boolean _exitOnClose;
    
    public DashBoardFrame(String title,StatsAdmin admin,boolean exitOnClose){
        super(title);
        
        // System.out.println("Blitz Dashboard: Developed in association with Inca X (www.incax.com)");
        
        _admin=admin;
        _exitOnClose=exitOnClose;
        setResizable(false);

        if (exitOnClose) {
            try{
                String lfClassName=UIManager.getSystemLookAndFeelClassName(); 
                String uiClass = "javax.swing.plaf.metal.MetalLookAndFeel";
                if(uiClass.equals(lfClassName)){
                    MetalLookAndFeel.setCurrentTheme(new BlitzTheme());
                }
                
                UIManager.setLookAndFeel(lfClassName);
                ImageIcon icon=new ImageIcon(getClass().getResource("images/blitz.gif"));
                setIconImage(icon.getImage());
            
            }catch(Exception ex){
                theLogger.log(Level.SEVERE, "Exception in close", ex);
            }
        }
        
        setSize(740,140);

        //add listener to intterupt thread on close
        addWindowListener( new WindowAdapter(){
                public void windowClosing(WindowEvent evt){
                    closeWin();
                
                }
            
            });
        
        getContentPane().add(createUI(),BorderLayout.CENTER);
        
        _updater=new Thread(this);
        _updater.start();
    }

    public Dimension getPreferredSize() {
        return new Dimension(740, 140);
    }

    private void closeWin(){
        dispose();
        _updater.interrupt();
        
        if(_exitOnClose){
            System.exit(0);
        }
    }
    //added so the ServiceUI WindowListener gets notified
    private void postWindowClosingEvent(){
        dispatchEvent(new WindowEvent(this,WindowEvent.WINDOW_CLOSING));
    }
    
    //creates the UI for this application
    private JComponent createUI(){
        
        _dashBoard=new DashBoard(this);
        _dashBoard.init(_admin);
        return _dashBoard; 
    
    }

    public void run(){
        while(!_updater.isInterrupted()){
            try{
                //need to be configurable
                Thread.sleep(1500);
                
                Stat[] stats = _admin.getStats();
                _dashBoard.update(stats);
                //now pass on to main global view
                
            }catch(InterruptedException ex){
                // System.out.println("Updater thread exiting");
                return;
            }catch(java.rmi.ConnectException ex){
                JOptionPane.showMessageDialog(this,ex.getMessage());
                postWindowClosingEvent();
            
            }catch(java.rmi.NoSuchObjectException ex){
                JOptionPane.showMessageDialog(this,ex.getMessage());
                postWindowClosingEvent();
            
            }catch(Exception ex){
                int ok=JOptionPane.showConfirmDialog(this,
                                                     ""+ex.getMessage()+"\n\nDo you want to continue monitoring stats?"
                                                     ,"Error",
                                                     JOptionPane.YES_NO_OPTION);
                
                if(ok==JOptionPane.NO_OPTION){
                    postWindowClosingEvent();
                }  
                theLogger.log(Level.INFO,  "Exception in update", ex);
            }
        }
    }
}