/*
  Copyright (c) 2011-2012 Sérgio Martins <iamsergio@gmail.com>

   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.
*/

#ifndef AKONADI_CALENDARBASE_P_H
#define AKONADI_CALENDARBASE_P_H

#include "calendarbase.h"
#include "incidencechanger.h"

#include <QVector>
#include <QMultiHash>

namespace Akonadi
{

class CalendarBasePrivate : public QObject
{
    Q_OBJECT
public:

    explicit CalendarBasePrivate(CalendarBase *qq);
    ~CalendarBasePrivate();

    void internalInsert(const Akonadi::Item &item);
    void internalRemove(const Akonadi::Item &item);

    void deleteAllIncidencesOfType(const QString &mimeType);

    void handleUidChange(const Akonadi::Item &oldItem, const Akonadi::Item &newItem, const QString &newUid);

    // Checks if parent changed and adjust internal hierarchy info
    void handleParentChanged(const KCalCore::Incidence::Ptr &incidence);

public Q_SLOTS:
    void slotDeleteFinished(int changeId,
                            const QVector<Akonadi::Item::Id> &itemIds,
                            Akonadi::IncidenceChanger::ResultCode,
                            const QString &errorMessage);

    void slotCreateFinished(int changeId,
                            const Akonadi::Item &item,
                            Akonadi::IncidenceChanger::ResultCode,
                            const QString &errorMessage);

    void slotModifyFinished(int changeId,
                            const Akonadi::Item &item,
                            Akonadi::IncidenceChanger::ResultCode,
                            const QString &errorMessage);

    void collectionFetchResult(KJob *job);

Q_SIGNALS:
    void fetchFinished();

public:
    QMultiHash<Akonadi::Collection::Id, Akonadi::Item> mItemsByCollection;
    QHash<Akonadi::Collection::Id, Akonadi::Collection> mCollections;
    QHash<KJob *, Akonadi::Collection::Id> mCollectionJobs;
    QHash<QString, Akonadi::Item::Id> mItemIdByUid;
    QHash<Akonadi::Item::Id, Akonadi::Item> mItemById;
    Akonadi::IncidenceChanger *mIncidenceChanger = nullptr;
    QHash<QString, QStringList> mParentUidToChildrenUid;
    QWeakPointer<CalendarBase> mWeakPointer;
    Akonadi::Collection mCollectionForBatchInsertion;
    bool mBatchInsertionCancelled = false;
    bool mListensForNewItems = false; // does this model detect new item creations ?
    bool mLastCreationCancelled = false; // User pressed cancel in the collection selection dialog

    // Hash with uid->parentUid. When receiving onDataChanged() we need a way
    // to obtain the original RELATED-TO. Because RELATED-TO might have been modified
    // we can't trust the incidence stored in the calendar. ( Users of this class don't
    // operate on a incidence clone, they change the same incidence that's inside the calendar )
    QHash<QString, QString> mUidToParent;

private:
    CalendarBase *const q;
};

}

#endif
