/*
 * Cantata
 *
 * Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
 *
 * ----
 *
 * 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "contextengine.h"
#include "metaengine.h"
#include "wikipediaengine.h"
#include "networkaccessmanager.h"

ContextEngine * ContextEngine::create(QObject *parent)
{
    return new MetaEngine(parent);
}

ContextEngine::ContextEngine(QObject *p)
    : QObject(p)
    , job(0)
{
}

ContextEngine::~ContextEngine()
{
    cancel();
}

QStringList ContextEngine::fixQuery(const QStringList &query) const
{
    QStringList fixedQuery;
    foreach (QString q, query) {
        if (q.contains(QLatin1String("PREVIEW: buy it at www.magnatune.com"))) {
            q = q.remove(QLatin1String(" (PREVIEW: buy it at www.magnatune.com)"));
            int index = q.indexOf(QLatin1Char('-'));
            if (-1!=index) {
                q = q.left(index - 1);
            }
        }
        fixedQuery.append(q);
    }
    return fixedQuery;
}

void ContextEngine::cancel()
{
    if (job) {
        job->cancelAndDelete();
        job=0;
    }
}

NetworkJob * ContextEngine::getReply(QObject *obj)
{
    NetworkJob *reply = qobject_cast<NetworkJob*>(obj);
    if (!reply) {
        return 0;
    }

    reply->deleteLater();
    if (reply!=job) {
        return 0;
    }
    job=0;
    return reply;
}
