/****************************************************************************
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** This file is part of the Qt Mobility Components.
**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#include "qgallerytrackerlistcolumn_p.h"

#include "qgallerytrackerschema_p.h"

#include <QtCore/qcryptographichash.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qurl.h>
#include <QtCore/qvariant.h>

QTM_BEGIN_NAMESPACE

QVariant QGalleryTrackerStringColumn::toVariant(const QString &string) const
{
    return QVariant(string);
}

QVariant QGalleryTrackerStringListColumn::toVariant(const QString &string) const
{
    return string.split(m_separatorChar, QString::SkipEmptyParts);
}

QVariant QGalleryTrackerUrlColumn::toVariant(const QString &string) const
{
    return QUrl::fromEncoded(string.toUtf8(), QUrl::StrictMode);
}

QString QGalleryTrackerStringListColumn::toString(const QVariant &variant) const
{
    return variant.type() == QVariant::StringList
        ? variant.toStringList().join(m_separatorString)
        : variant.toString();
}

QVariant QGalleryTrackerIntegerColumn::toVariant(const QString &string) const
{
    bool ok;

    int number = string.toInt(&ok);

    return ok ? QVariant(number) : QVariant();
}

QVariant QGalleryTrackerDoubleColumn::toVariant(const QString &string) const
{
    bool ok;

    double number = string.toDouble(&ok);

    return ok ? QVariant(number) : QVariant();
}

QVariant QGalleryTrackerDateTimeColumn::toVariant(const QString &string) const
{
    QDateTime dateTime = QDateTime::fromString(string, Qt::ISODate);

    return dateTime.isValid() ? QVariant(dateTime) : QVariant();
}

QString QGalleryTrackerDateTimeColumn::toString(const QVariant &variant) const
{
    return variant.toDateTime().toString(Qt::ISODate);
}

QVariant QGalleryTrackerStaticColumn::value(QVector<QVariant>::const_iterator) const
{
    return m_value;
}

QVariant QGalleryTrackerPrefixColumn::value(QVector<QVariant>::const_iterator row) const
{
    return m_prefix + (row + m_column)->toString();
}

QVariant QGalleryTrackerCompositeIdColumn::value(QVector<QVariant>::const_iterator row) const
{
    QString fragment = (row + m_columns.at(0))->toString();
    fragment.replace(QLatin1String("/"), QLatin1String("//"));

    return m_prefix + fragment + QLatin1Char('/') + (row + m_columns.at(1))->toString();
}

QVariant QGalleryTrackerFileUrlColumn::value(QVector<QVariant>::const_iterator row) const
{
    return *(row + m_column);
}

QGalleryTrackerCompositeColumn *QGalleryTrackerFileUrlColumn::create(const QVector<int> &)
{
    return new QGalleryTrackerFileUrlColumn(QGALLERYTRACKERFILEURLCOLUMN_DEFAULT_COL);
}

QVariant QGalleryTrackerFilePathColumn::value(QVector<QVariant>::const_iterator row) const
{
    return (row + QGALLERYTRACKERFILEURLCOLUMN_DEFAULT_COL)->toUrl().path();
}

QGalleryTrackerCompositeColumn *QGalleryTrackerFilePathColumn::create(const QVector<int> &)
{
    return new QGalleryTrackerFilePathColumn;
}

QVariant QGalleryTrackerPathColumn::value(QVector<QVariant>::const_iterator row) const
{
    QString filePath = (row + QGALLERYTRACKERFILEURLCOLUMN_DEFAULT_COL)->toUrl().path();
    return filePath.section(QLatin1Char('/'), 0, -2);
}

QGalleryTrackerCompositeColumn *QGalleryTrackerPathColumn::create(const QVector<int> &)
{
    return new QGalleryTrackerPathColumn;
}

QVariant QGalleryTrackerFileExtensionColumn::value(QVector<QVariant>::const_iterator row) const
{
    QString fileName = (row + m_column)->toUrl().path();
    const int index = fileName.lastIndexOf(QLatin1Char('.'));
    return index > fileName.lastIndexOf(QLatin1Char('/'))
            ? QVariant(fileName.mid(index + 1))
            : QVariant();
}

QGalleryTrackerCompositeColumn *QGalleryTrackerFileExtensionColumn::create(const QVector<int> &)
{
    return new QGalleryTrackerFileExtensionColumn(QGALLERYTRACKERFILEURLCOLUMN_DEFAULT_COL);
}

QTM_END_NAMESPACE
