/*
    Copyright (c) 2010 Volker Krause <vkrause@kde.org>

    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 of the License, or (at your
    option) any later version.

    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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

#include "persistentsearchattribute.h"
#include "collection.h"

#include <akonadi/private/imapparser_p.h>

#include <QtCore/QString>
#include <QtCore/QStringList>

using namespace Akonadi;

class PersistentSearchAttribute::Private
{
public:
    Private()
        : remote(true)
        , recursive(false)
    {
    }

    QString queryString;
    QList<qint64> queryCollections;
    bool remote;
    bool recursive;
};

PersistentSearchAttribute::PersistentSearchAttribute()
    : d(new Private)
{
}

PersistentSearchAttribute::~PersistentSearchAttribute()
{
    delete d;
}

QString PersistentSearchAttribute::queryLanguage() const
{
    return QLatin1String("SPARQL");
}

void PersistentSearchAttribute::setQueryLanguage(const QString &language)
{
    Q_UNUSED(language);
}

QString PersistentSearchAttribute::queryString() const
{
    return d->queryString;
}

void PersistentSearchAttribute::setQueryString(const QString &query)
{
    d->queryString = query;
}

QList<qint64> PersistentSearchAttribute::queryCollections() const
{
    return d->queryCollections;
}

void PersistentSearchAttribute::setQueryCollections(const QList<Collection> &collections)
{
    d->queryCollections.clear();
    Q_FOREACH (const Collection &collection, collections) {
        d->queryCollections << collection.id();
    }
}

void PersistentSearchAttribute::setQueryCollections(const QList<qint64> &collectionsIds)
{
    d->queryCollections = collectionsIds;
}

bool PersistentSearchAttribute::isRecursive() const
{
    return d->recursive;
}

void PersistentSearchAttribute::setRecursive(bool recursive)
{
    d->recursive = recursive;
}

bool PersistentSearchAttribute::isRemoteSearchEnabled() const
{
    return d->remote;
}

void PersistentSearchAttribute::setRemoteSearchEnabled(bool enabled)
{
    d->remote = enabled;
}

QByteArray PersistentSearchAttribute::type() const
{
    return "PERSISTENTSEARCH"; // ### should eventually be AKONADI_PARAM_PERSISTENTSEARCH
}

Attribute *PersistentSearchAttribute::clone() const
{
    PersistentSearchAttribute *attr = new PersistentSearchAttribute;
    attr->setQueryString(queryString());
    attr->setQueryCollections(queryCollections());
    attr->setRecursive(isRecursive());
    attr->setRemoteSearchEnabled(isRemoteSearchEnabled());
    return attr;
}

QByteArray PersistentSearchAttribute::serialized() const
{
    QStringList cols;
    Q_FOREACH (qint64 colId, d->queryCollections) {
        cols << QString::number(colId);
    }

    QList<QByteArray> l;
    // ### eventually replace with the AKONADI_PARAM_PERSISTENTSEARCH_XXX constants
    l.append("QUERYSTRING");
    l.append(ImapParser::quote(d->queryString.toUtf8()));
    l.append("QUERYCOLLECTIONS");
    l.append("(" + cols.join(QLatin1String(" ")).toLatin1() + ")");
    if (d->remote) {
        l.append("REMOTE");
    }
    if (d->recursive) {
        l.append("RECURSIVE");
    }
    return "(" + ImapParser::join(l, " ") + ')';   //krazy:exclude=doublequote_chars
}

void PersistentSearchAttribute::deserialize(const QByteArray &data)
{
    QList<QByteArray> l;
    ImapParser::parseParenthesizedList(data, l);
    for (int i = 0; i < l.size() - 1; ++i) {
        const QByteArray key = l.at(i);
        if (key == "QUERYLANGUAGE") {
            // Skip the value
            ++i;
        } else if (key == "QUERYSTRING") {
            d->queryString = QString::fromUtf8(l.at(i + 1));
            ++i;
        } else if (key == "QUERYCOLLECTIONS") {
            QList<QByteArray> ids;
            ImapParser::parseParenthesizedList(l.at(i + 1), ids);
            d->queryCollections.clear();
            Q_FOREACH (const QByteArray &id, ids) {
                d->queryCollections << id.toLongLong();
            }
            ++i;
        } else if (key == "REMOTE") {
            d->remote = true;
        } else if (key == "RECURSIVE") {
            d->recursive = true;
        }
    }
}