/*
    This file is part of KDE.

    Copyright (c) 2008 Cornelius Schumacher <schumacher@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) version 3, or any
    later version accepted by the membership of KDE e.V. (or its
    successor approved by the membership of KDE e.V.), which shall
    act as a proxy defined in Section 6 of version 3 of the license.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "contentparser.h"

#include <QDateTime>
#include <QDebug>

using namespace Attica;

Content Content::Parser::parseXml(QXmlStreamReader &xml)
{
    Content content;

    while (!xml.atEnd()) {
        xml.readNext();

        if (xml.isStartElement()) {
            if (xml.name() == QLatin1String("id")) {
                content.setId(xml.readElementText());
            } else if (xml.name() == QLatin1String("name")) {
                content.setName(xml.readElementText());
            } else if (xml.name() == QLatin1String("score")) {
                content.setRating(xml.readElementText().toInt());
            } else if (xml.name() == QLatin1String("downloads")) {
                content.setDownloads(xml.readElementText().toInt());
            } else if (xml.name() == QLatin1String("comments")) {
                content.setNumberOfComments(xml.readElementText().toInt());
            } else if (xml.name() == QLatin1String("created")) {
                // Qt doesn't accept +-Timezone modifiers, truncate if the string contains them
                QString dateString = xml.readElementText().left(19);
                content.setCreated(QDateTime::fromString(dateString, Qt::ISODate));
            } else if (xml.name() == QLatin1String("changed")) {
                // Qt doesn't accept +-Timezone modifiers, truncate if the string contains them
                QString dateString = xml.readElementText().left(19);
                content.setUpdated(QDateTime::fromString(dateString, Qt::ISODate));
            } else if (xml.name() == QLatin1String("icon")) {
                Icon icon;
                icon.setUrl(QUrl(xml.readElementText()));
                const QXmlStreamAttributes attributes = xml.attributes();
                const QStringRef width = attributes.value(QLatin1String("width"));
                const QStringRef height = attributes.value(QLatin1String("height"));
                if (!width.isEmpty()) {
                    icon.setWidth(width.toInt());
                }
                if (!height.isEmpty()) {
                    icon.setHeight(height.toInt());
                }
                // append the icon to the current list of icons
                QList<Icon> icons;
                icons = content.icons();
                icons.append(icon);
                content.setIcons(icons);
            } else if (xml.name() == QLatin1String("video")) {
                QUrl video(xml.readElementText());
                // append the video to the current list of videos
                QList<QUrl> videos;
                videos = content.videos();
                videos.append(video);
                content.setVideos(videos);
            } else if (xml.name() == QLatin1String("tags")) {
                content.setTags(xml.readElementText().split(QLatin1Char(',')));
            } else {
                content.addAttribute(xml.name().toString(), xml.readElementText());
            }
        }

        if (xml.isEndElement() && xml.name() == QLatin1String("content")) {
            break;
        }
    }

    // in case the server only sets creation date, use that as updated also
    if (content.updated().isNull()) {
        content.setUpdated(content.created());
    }

    return content;
}

QStringList Content::Parser::xmlElement() const
{
    return QStringList(QStringLiteral("content"));
}
