package nu.fw.jeti.images;

import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.xml.parsers.SAXParser;

import nu.fw.jeti.jabber.JIDStatus;
import nu.fw.jeti.jabber.elements.Presence;

/**
 * @author Alexandre Correia
 * 
 */

public class StatusIcons
{
	private static Map statusIcons;
	private SAXParser parser;

	public StatusIcons()
    {
		if( statusIcons == null )
		{
			statusIcons = new HashMap();

			String urlString = getClass().getResource("StatusIcons.class").toString();
			try
			{
				urlString = urlString.substring(0,urlString.lastIndexOf("StatusIcons.class"));
				readImages(new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("status.cfg"))),new URL(urlString));
				readImages(new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("images.cfg"))),new URL(urlString));
			}
			catch(MalformedURLException e)
			{
				e.printStackTrace();
			}
			catch(NullPointerException e)
			{
				System.err.println("nu/fw/jeti/images/Status.cfg or images.cfg missing");
			}
		}
	}
	
	public static ImageIcon getOfflineIcon()
	{
		return getStatusIcon(Presence.UNAVAILABLE ,"default");
	}
	
	public static ImageIcon getStatusIcon(int show)
	{
		return getStatusIcon(show,"");
	}

	/** verander
	 * calls getImageIcon(show) whith the default imageset
	 * @param show
	 * @return ImageIcon
	 */
	public static ImageIcon getImageIcon(String show)
	{
		return getStatusIcon(show,"images");
	}

	/**
	 * returns a status icon
	 * @param show one of chat,available,dnd,away,xa or unavailable
	 * @param type which image set
	 * @return ImageIcon
	 */
	public static ImageIcon getStatusIcon(int show,String type)
	{
		switch (show)
		{
			case Presence.FREE_FOR_CHAT: return  getStatusIcon("status/chat",type);
			case Presence.AWAY: return  getStatusIcon("status/away",type);
			case Presence.XA: return  getStatusIcon("status/xa",type);
			case Presence.DND: return  getStatusIcon("status/dnd",type);
			case Presence.UNAVAILABLE: return  getStatusIcon("status/offline",type);
			case Presence.INVISIBLE: return  getStatusIcon("status/invisible",type);
			case Presence.NONE: return  getStatusIcon("status/ask",type);
			default: return getStatusIcon("status/online",type);
		}	
	}
	
	public static ImageIcon getStatusIcon(JIDStatus jidStatus)
	{
		return getStatusIcon(jidStatus.getShow(),jidStatus.getType());
	}
	
	private static ImageIcon getStatusIcon(String show,String type)
	{

		if ( !statusIcons.containsKey(type) ) 
			type = "default";
		
		ImageIcon icon = (ImageIcon)((Map)statusIcons.get(type)).get(show);
		
		if (icon == null)
			icon = (ImageIcon)((Map)statusIcons.get("default")).get(show);
		
		return icon;
	}

	private void readImages(BufferedReader data,URL file)
	{
	    try
		{
			Map map = new HashMap();
			statusIcons.put(data.readLine(),map);
			while(true)
			{
				readSmilie(data,file,map);
			}
		}
		catch(EOFException e)
		{
			e.printStackTrace();
		}
		catch (IOException e2)
		{
		    e2.printStackTrace();
		}
	}

	private void readSmilie(BufferedReader data,URL file,Map current) throws IOException
	{
		StringBuffer buffer = new StringBuffer();
		
		while( true )
		{
			int in2 = data.read();
			if( in2 == -1) throw new EOFException();
			char ca =(char)in2;
			if ( ca == ' ')
			{
				current.put(new String(buffer),readImage(data,file));
				return;
			}
			buffer.append(ca);
		}
	}

	private Icon readImage(BufferedReader data,URL file) throws IOException
	{
		return new ImageIcon( new URL(file + data.readLine()) );
	}
}

/*
 * Overrides for emacs
 * Local variables:
 * tab-width: 4
 * End:
 */