#ifndef MUDLET_KEYUNIT_H
#define MUDLET_KEYUNIT_H

/***************************************************************************
 *   Copyright (C) 2008-2011 by Heiko Koehn - KoehnHeiko@googlemail.com    *
 *   Copyright (C) 2014 by Ahmed Charles - acharles@outlook.com            *
 *                                                                         *
 *   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; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


#include "pre_guard.h"
#include <QMap>
#include <QMutex>
#include <QPointer>
#include <QString>
#include "post_guard.h"

#include <list>

class Host;
class TKey;


class KeyUnit
{
    friend class XMLexport;
    friend class XMLimport;

public:
    KeyUnit(Host* pHost);

    std::list<TKey*> getKeyRootNodeList()
    {
        QMutexLocker locker(&mKeyUnitLock);
        return mKeyRootNodeList;
    }

    TKey* getKey(int id);
    void compileAll();
    TKey* findKey(QString & name);
    bool enableKey(const QString& name);
    bool disableKey(const QString& name);
    bool killKey(QString& name);
    bool registerKey(TKey* pT);
    void unregisterKey(TKey* pT);
    void reParentKey(int childID, int oldParentID, int newParentID, int parentPosition = -1, int childPosition = -1);
    QString assembleReport();
    int getNewID();
    QString getKeyName(int keyCode, int modifier);
    void setupKeyNames();
    void uninstall(const QString&);
    void _uninstall(TKey* pChild, const QString& packageName);
    bool processDataStream(int, int);
    void markCleanup( TKey * pT );
    void doCleanup();

    QMultiMap<QString, TKey*> mLookupTable;
    std::list<TKey*> mCleanupList;
    QMutex mKeyUnitLock;
    int statsKeyTotal;
    int statsTempKeys;
    int statsActiveKeys;
    int statsActiveKeysMax;
    int statsActiveKeysMin;
    int statsActiveKeysAverage;
    int statsTempKeysCreated;
    int statsTempKeysKilled;
    QList<TKey*> uninstallList;

private:
    KeyUnit() {}
    TKey* getKeyPrivate(int id);
    void initStats();
    void _assembleReport(TKey*);
    void addKeyRootNode(TKey* pT, int parentPosition = -1, int childPosition = -1);
    void addKey(TKey* pT);
    void removeKeyRootNode(TKey* pT);
    void removeKey(TKey*);
    QPointer<Host> mpHost;
    QMap<int, TKey*> mKeyMap;
    std::list<TKey*> mKeyRootNodeList;
    int mMaxID;
    bool mModuleMember;
    QMap<int, QString> mKeys;
};

#endif // MUDLET_KEYUNIT_H