/*
   Copyright 2009 Last.fm Ltd. 
      - Primarily authored by Max Howell, Jono Cole and Doug Mansell

   This file is part of liblastfm.

   liblastfm 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.

   liblastfm 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 liblastfm.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "FingerprintId.h"
#include "../ws/ws.h"
#include <QtNetwork>
#include <QtXml>
 

QNetworkReply*
lastfm::FingerprintId::getSuggestions() const
{
    if (isNull()) return 0;
    
    QUrl const url( "http://ws.audioscrobbler.com/fingerprint/" + QString(*this) + ".xml" );
    QNetworkRequest const request( url );
    return lastfm::nam()->get( request );
}


QMap<float, lastfm::Track> //static
lastfm::FingerprintId::getSuggestions( QNetworkReply* reply )
{
    QDomDocument xml;
    xml.setContent( reply->readAll() );
    QDomNodeList nodes = xml.documentElement().elementsByTagName( "track" );
    
    QMap<float, Track> tracks;
    for (int x = 0; x < nodes.count(); ++x)
    {
        QDomElement const e = nodes.at(x).toElement();

        MutableTrack t;
        t.setTitle( e.firstChildElement( "title" ).text() );
        t.setArtist( e.firstChildElement( "artist" ).text() );
        tracks.insert( e.attribute( "confidence", "0.0" ).toFloat(), t );
    }
    return tracks;
}