/*******************************************************************************
 *     SDR Trunk 
 *     Copyright (C) 2014 Dennis Sheirer
 * 
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     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.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>
 ******************************************************************************/
package module.decode.state;

import java.awt.Color;
import java.awt.Component;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.HashMap;

import javax.swing.JMenu;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JSeparator;
import javax.swing.SwingUtilities;

import net.miginfocom.swing.MigLayout;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import playlist.PlaylistManager;
import settings.ColorSetting.ColorSettingName;
import settings.ColorSettingMenuItem;
import settings.ColorSettingResetMenuItem;
import settings.SettingsManager;
import controller.channel.Channel;
import controller.channel.ChannelEvent;
import controller.channel.ChannelEventListener;

/**
 * Gui wrapper for the list of currently processing primary channels 
 */
public class ChannelList extends JPanel implements ChannelEventListener
{
    private static final long serialVersionUID = 1L;

	private final static Logger mLog = LoggerFactory.getLogger( ChannelList.class );

    private HashMap<Channel,ChannelCollectionPanel> mDisplayedPanels = 
    			new HashMap<Channel,ChannelCollectionPanel>();

    private PlaylistManager mPlaylistManager;
    private SettingsManager mSettingsManager;
    
    public ChannelList( PlaylistManager playlistManager, 
    					SettingsManager settingsManager )
    {
    	mPlaylistManager = playlistManager;
    	mSettingsManager = settingsManager;

    	init();
    }

    private void init()
    {
		setLayout( new MigLayout( "insets 0 0 0 0", "[grow,fill]", "[]0[]") );
		setBackground( Color.BLACK );
		
		addMouseListener( new ListSelectionListener() );
    }
    
	@Override
    public void channelChanged( ChannelEvent event )
    {
		switch( event.getEvent() )
		{
			case CHANNEL_PROCESSING_STARTED:
				addChannelPanel( event.getChannel() );
				break;
			case CHANNEL_PROCESSING_STOPPED:
				removeChannelPanel( event.getChannel() );
				break;
			default:
				break;
		}
    }

    private void addChannelPanel( Channel channel )
    {
    	if( !mDisplayedPanels.containsKey( channel ) )
    	{
    		ChannelCollectionPanel panel = new ChannelCollectionPanel( 
    				mPlaylistManager, mSettingsManager, channel );
    		
			add( panel, "wrap" );
			
			mDisplayedPanels.put( channel, panel );

			revalidate();
			repaint();
    	}
    }

    public void removeChannelPanel( Channel channel )
    {
		if( mDisplayedPanels.containsKey( channel ) )
		{
			ChannelCollectionPanel panel = mDisplayedPanels.remove( channel );
			
			if( panel != null )
			{
		    	remove( panel );
				
				panel.dispose();
			}

			revalidate();
			repaint();
		}
    }
	
	public void setSelectedChannel( Channel channel )
	{
		synchronized( mDisplayedPanels )
		{
			/* Send channel selection to each channel panel */
			for( ChannelCollectionPanel panel: mDisplayedPanels.values() )
			{
				panel.setSelectedChannel( channel );
			}
		}
	}
	
	public class ListSelectionListener implements MouseListener
	{
		@Override
        public void mouseClicked( MouseEvent e )
        {
			Component component = getComponentAt( e.getPoint() );

			if( component instanceof ChannelCollectionPanel )
			{
				ChannelCollectionPanel panel = (ChannelCollectionPanel)component;

				Point translatedPoint = SwingUtilities
						.convertPoint( e.getComponent(), e.getPoint(), panel );
				
				Channel channel = panel.getChannelAt( translatedPoint );

				if( e.getButton() == MouseEvent.BUTTON1 )
				{
					setSelectedChannel( channel );
				}
				else if( e.getButton() == MouseEvent.BUTTON3 )
				{
					JPopupMenu popupMenu = new JPopupMenu();
					
					JMenu menu = panel.getContextMenu();
					
					if( menu != null )
					{
						popupMenu.add( menu );
					}
					
					JMenu colorMenu = new JMenu( "Color" );
					popupMenu.add( colorMenu );

					JMenu backgroundMenu = new JMenu( "Background" );
					colorMenu.add( backgroundMenu );
					
					backgroundMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_BACKGROUND ) );
					backgroundMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_BACKGROUND ) );
					
					JMenu channelsMenu = new JMenu( "Channel State" );
					colorMenu.add( channelsMenu );
					
					JMenu callMenu = new JMenu( "Call" );
					channelsMenu.add( callMenu );
					
					callMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_CALL ) );
					callMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_CALL ) );
					callMenu.add( new JSeparator() );	

					callMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_CALL ) );
					callMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_CALL ) );
					
					JMenu controlMenu = new JMenu( "Control" );
					channelsMenu.add( controlMenu );
					
					controlMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_CONTROL ) );
					controlMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_CONTROL ) );
					controlMenu.add( new JSeparator() );	
					
					controlMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_CONTROL ) );
					controlMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_CONTROL ) );
					
					JMenu dataMenu = new JMenu( "Data" );
					channelsMenu.add( dataMenu );
					
					dataMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_DATA ) );
					dataMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_DATA ) );
					dataMenu.add( new JSeparator() );	
					
					dataMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_DATA ) );
					dataMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_DATA ) );
					
					JMenu fadeMenu = new JMenu( "Fade" );
					channelsMenu.add( fadeMenu );
					
					fadeMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_FADE ) );
					fadeMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_FADE ) );
					fadeMenu.add( new JSeparator() );	
					
					fadeMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_FADE ) );
					fadeMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_FADE ) );
					
					JMenu idleMenu = new JMenu( "Idle" );
					channelsMenu.add( idleMenu );
					
					idleMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_IDLE ) );
					idleMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_MIDDLE_IDLE ) );
					idleMenu.add( new JSeparator() );	
					
					idleMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_IDLE ) );
					idleMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_GRADIENT_TOP_IDLE ) );
					
					JMenu labelMenu = new JMenu( "Labels" );
					colorMenu.add( labelMenu );
					
					labelMenu.add( new ColorSettingMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_LABEL_AUX_DECODER ) );
					labelMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
						ColorSettingName.CHANNEL_STATE_LABEL_AUX_DECODER ) );
					labelMenu.add( new JSeparator() );	
					
					labelMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_LABEL_DECODER ) );
					labelMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_LABEL_DECODER ) );
					labelMenu.add( new JSeparator() );	
						
					labelMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_LABEL_DETAILS ) );
					labelMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_LABEL_DETAILS ) );
						
					JMenu selectedMenu = new JMenu( "Selected" );
					colorMenu.add( selectedMenu );
					
					selectedMenu.add( new ColorSettingMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_SELECTED_CHANNEL ) );
					selectedMenu.add( new ColorSettingResetMenuItem( mSettingsManager, 
							ColorSettingName.CHANNEL_STATE_SELECTED_CHANNEL ) );
					
					popupMenu.show( ChannelList.this, e.getX(), e.getY() );
				}
			}
        }

        public void mousePressed( MouseEvent e ) {}
        public void mouseReleased( MouseEvent e ) {}
        public void mouseEntered( MouseEvent e ) {}
        public void mouseExited( MouseEvent e ) {}
	}
}