/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.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; version 2 of the License

 *

 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

/**

 * @file

 * @brief MapModel class definition

 */

#ifndef HEDGEWARS_MAPMODEL_H

#define HEDGEWARS_MAPMODEL_H

#include <QStandardItemModel>

#include <QSortFilterProxyModel>

#include <QStringList>

#include <QTextStream>

#include <QHash>

#include <QMap>

#include <QIcon>

#include <QComboBox>

#include "DataManager.h"

/**

 * @brief A model that vertically lists available maps

 *

 * @author sheepluva

 * @since 0.9.18

 */

class MapModel : public QStandardItemModel

{

        Q_OBJECT

    public:

        enum MapType {

            Invalid,

            GeneratedMap,

            GeneratedMaze,

            GeneratedPerlin,

            HandDrawnMap,

            MissionMap,

            StaticMap,

            FortsMap

        };

        /// a struct for holding the attributes of a map.

        struct MapInfo

        {

            MapType type; ///< The map-type

            QString name; ///< The internal name.

            QString theme; ///< The theme to be used. (can be empty)

            quint32 limit; ///< The maximum allowed number of hedgehogs.

            QString scheme; ///< Default scheme name or "locked", for mission-maps.

            QString weapons; ///< Default weaponset name or "locked", for missions-maps.

            QString desc; ///< The brief 1-2 sentence description of the mission, for mission-maps.

            bool dlc; ///< True if this map was not packaged with the game

        };

        MapModel(MapType maptype, QObject *parent = 0);

        /**

         * @brief Searches maps in model to find out if one exists

         * @param map map of which to check existence

         * @return true if it exists

         */

        bool mapExists(const QString & map);

        /**

         * @brief Finds a map index (column, row) for a map name

         * @param map map of which to find index+column

         * @return QPair<int, int> with column, index, or (-1, -1) if map not found

         */

        //QPair<int, int> findMap(const QString & map) const;

        /**

         * @brief Finds a map index for a map name

         * @param map map of which to find index

         * @return int of index, or -1 if map not found

         */

        int findMap(const QString & map);

        /**

         * @brief Finds and returns a map item for a map name

         * @param map map

         * @return QStandardItem of map, or NULL if map not found

         */

        QStandardItem * getMap(const QString & map);

        // Static MapInfos for drawn and generated maps

        static MapInfo MapInfoRandom, MapInfoMaze, MapInfoPerlin, MapInfoDrawn, MapInfoForts;

        /// Loads the maps

        bool loadMaps();

        /// returns this model but excluding DLC themes

        QSortFilterProxyModel * withoutDLC();

    private:

        /// map index lookup table. QPair<int, int> contains: <column, index>

        //QHash<QString, QPair<int, int> > m_mapIndexes;

        QHash<QString, int> m_mapIndexes;

        MapType m_maptype;

        bool m_loaded;

        QSortFilterProxyModel * m_filteredNoDLC;

        /**

         * @brief Creates a QStandardItem, that holds the map info and item appearance.

         * The used role for the data is Qt::UserRole + 1.

         * @param icon the icon to be displayed (can be an empty QIcon()).

         * @param caption the text to be displayed.

         * @param type the type of the map.

         * @param name the internal name of the map.

         * @param theme the theme of the map (or empty if none).

         * @param limit the hedgehog limit of the map.

         * @param scheme mission map: default scheme name or "locked".

         * @param weapons mission map: default weaponset name or "locked".

         * @param desc mission map: description of mission.

         * @return pointer to item representing the map info: at Qt::UserRole + 1.

         */

        static QStandardItem * infoToItem(

            const QIcon & icon,

            const QString caption,

            MapType type = Invalid,

            QString name = "",

            QString theme = "",

            quint32 limit = 0,

            QString scheme = "",

            QString weapons = "",

            QString desc = "",

            bool dlc = false);

};

Q_DECLARE_METATYPE(MapModel::MapInfo)

#endif // HEDGEWARS_MAPMODEL_H