// GNotifyMuine.cs - Muine GNotify Plugin
// Copyright (C) 2005 Brian Nickel <kerrick@asu.edu>
// Licensed under GNU GPL V2.
// Requires : Running GNotify Daemon

using System;
using System.IO;
using System.Net.Sockets;
using System.Text;
using Muine.PluginLib;

public class GNotifyMuine : Plugin
{
	private IPlayer player;

	public override void Initialize(IPlayer player)
	{
		this.player = player;
		player.SongChangedEvent += new SongChangedEventHandler (OnSongChange);
		player.StateChangedEvent += new StateChangedEventHandler (OnStateChange);
	}
			
	public void OnSongChange(ISong song)
	{
		if(song == null || player.Playing == false || player.WindowVisible == true)
			return;
		
		Notify (song.Artists, song.Album, song.Title, song.CoverImage);
	}
	
	public void OnStateChange(bool playing)
	{
		if(player.PlayingSong == null || playing == false || player.WindowVisible == true)
			return;
		
		Notify (player.PlayingSong.Artists, player.PlayingSong.Album, player.PlayingSong.Title, player.PlayingSong.CoverImage);
	}
	
	private void Notify (string [] artists, string album, string song_title, Gdk.Pixbuf cover_image)
	{
		try {
			TcpClient tcp_client = new TcpClient ();
			tcp_client.SendTimeout = 50;
			tcp_client.Connect ("127.0.0.1", 7206);
			NetworkStream network_stream = tcp_client.GetStream ();
			if (network_stream.CanWrite)
			{
				StreamWriter writer = new StreamWriter(network_stream);
				StreamReader reader = new StreamReader(network_stream);
				char [] buffer = new char[ 8 ];

				string merged_artists = "";
				for( int i = 0; i < artists.Length; i ++ )
				{
					if( i != 0 ) merged_artists += ", ";
					merged_artists += artists[ i ];
				}

				DirectoryInfo dinfo = new DirectoryInfo (Path.Combine (Gnome.User.DirGet (), "muine"));
				if (!dinfo.Exists) 
					dinfo.Create ();

				string filename = dinfo.FullName + "/gnotify.png";
				Gdk.Pixbuf buf;
				if (cover_image != null)
					buf = cover_image.ScaleSimple( 48, 48, Gdk.InterpType.Bilinear );
				else
				{
					/* Hack to get the GtkStyle .. */
					Gtk.Label label = new Gtk.Label ("");
					label.EnsureStyle ();
					buf = label.RenderIcon ("muine-default-cover", Gtk.IconSize.Dialog, null);
					label.Destroy ();
				}
				if(buf.Savev (filename, "png", null, null) == false)
					filename = "/usr/share/pixmaps/muine.png";

				writer.Write ("APP:Muine Music Player" );
				writer.Flush ();
				reader.Read ( buffer, 0, 8 );
				writer.Write ("ICON:" + filename);
				writer.Flush ();
				reader.Read ( buffer, 0, 8 );

				writer.Write (String.Format ("MSG:{0}\n{1}", song_title.Replace ("&", "&amp;").Replace ("<", "&lt;"), merged_artists.Replace ("&", "&amp;").Replace ("<", "&lt;")));
				writer.Flush ();
			}
			tcp_client.Close ();
		} catch {
			return;
		}
	}
}