// Library.cs
//
//  Copyright (C) 2008 Amr Hassan
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//

using System;
using System.Xml;
using System.Collections.Generic;

namespace Lastfm.Services
{
	/// <summary>
	/// A user's library.
	/// </summary>
	public class Library : Base, IHasURL
	{
		/// <summary>
		/// The user who owns the library.
		/// </summary>
		public User User {get; private set;}
		
		public Library(User user, Session session)
			:base(session)
		{
			this.User = user;
		}
		
		public Library(string username, Session session)
			:base(session)
		{
			this.User = new User(username, Session);
		}
		
		internal override RequestParameters getParams()
		{
			RequestParameters p = new Lastfm.RequestParameters();
			p["user"] = User.Name;
			
			return p;
		}
		
		/// <summary>
		/// String representation of the object.
		/// </summary>
		/// <returns>
		/// A <see cref="System.String"/>
		/// </returns>
		public override string ToString()
		{
			return "The library of " + User.Name;
		}
		
		/// <summary>
		/// Add an album to the library.
		/// </summary>
		/// <param name="album">
		/// A <see cref="Album"/>
		/// </param>
		public void AddAlbum(Album album)
		{
			RequestParameters p = getParams();
			
			p["artist"] = album.Artist.Name;
			p["album"] = album.Title;
			
			request("library.addAlbum", p);
		}
		
		/// <summary>
		/// Add an artist to the library.
		/// </summary>
		/// <param name="artist">
		/// A <see cref="Artist"/>
		/// </param>
		public void AddArtist(Artist artist)
		{
			RequestParameters p = getParams();
			
			p["artist"] = artist.Name;
			
			request("library.addArtist", p);
		}
		
		/// <summary>
		/// Add a track to the library.
		/// </summary>
		/// <param name="track">
		/// A <see cref="Track"/>
		/// </param>
		public void AddTrack(Track track)
		{
			RequestParameters p = getParams();
			
			p["artist"] = track.Artist.Name;
			p["track"] = track.Title;
			
			request("library.addTrack", p);
		}
		
		/// <summary>
		/// The albums in the library.
		/// </summary>
		public LibraryAlbums Albums
		{ get { return new LibraryAlbums(this, Session); } }
		
		/// <summary>
		/// The tracks in the library.
		/// </summary>
		public LibraryTracks Tracks
		{ get { return new LibraryTracks(this, Session); } }

		/// <summary>
		/// The artists in the library.
		/// </summary>
		public LibraryArtists Artists
		{ get { return new LibraryArtists(this, Session); } }
		
		/// <summary>
		/// Returns the Last.fm page of this object.
		/// </summary>
		/// <param name="language">
		/// A <see cref="SiteLanguage"/>
		/// </param>
		/// <returns>
		/// A <see cref="System.String"/>
		/// </returns>
		public string GetURL(SiteLanguage language)
		{	
			return User.GetURL(language) + "/library";
		}

		/// <summary>
		/// The object's Last.fm page url.
		/// </summary>
		public string URL
		{ get { return GetURL(SiteLanguage.English); } }
	}
}