/* Copyright (C) 2012 Jesper K. Pedersen <blackie@kde.org>

   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 "SearchForVideosWithoutLengthInfo.h"
#include <DB/ImageDB.h>
#include <DB/ImageInfo.h>
#include <BackgroundTaskManager/JobManager.h>
#include "ReadVideoLengthJob.h"
#include <klocale.h>
#include <BackgroundTaskManager/JobInfo.h>

/**
  \class BackgroundJobs::SearchForVideosWithoutLengthInfo
  \brief Task for searching the database for videos without length information
*/

BackgroundJobs::SearchForVideosWithoutLengthInfo::SearchForVideosWithoutLengthInfo()
    :BackgroundTaskManager::JobInterface(BackgroundTaskManager::BackgroundVideoInfoRequest)
{
}

void BackgroundJobs::SearchForVideosWithoutLengthInfo::execute()
{
    const DB::FileNameList images = DB::ImageDB::instance()->images();
    Q_FOREACH( const DB::FileName& image, images ) {
        const DB::ImageInfoPtr info = image.info();
        if ( !info->isVideo() )
            continue;
        int length = info->videoLength();
        if ( length == -1 ) {
            BackgroundTaskManager::JobManager::instance()->addJob(
                        new BackgroundJobs::ReadVideoLengthJob(info->fileName(), BackgroundTaskManager::BackgroundVideoPreviewRequest));
        }
    }
    emit completed();
}

QString BackgroundJobs::SearchForVideosWithoutLengthInfo::title() const
{
    return i18n("Search for videos without length information");
}

QString BackgroundJobs::SearchForVideosWithoutLengthInfo::details() const
{
    return QString();
}
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