/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  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
 *  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef ITEM_MANAGER_H
#define ITEM_MANAGER_H

#include <list>
#include <map>
#include <string>

#include "utils/xml.h"

#define ITEMS_DB_FILE "items.xml"

class ItemInfo;
class SpriteDisplay;

/**
 * Item information database.
 */
class ItemDB
{
    public:
        ItemDB() : mLoaded(false) { load(); }

        ~ItemDB() { unload(); }
        /**
         * Loads the item data from <code>items.xml</code>.
         */
        void load();

        /**
         * Frees item data.
         */
        void unload();

        /**
         * Tells whether the item database is loaded.
         */
        bool isLoaded() const
        { return mLoaded; }

        bool exists(int id);

        const ItemInfo &get(int id);
        const ItemInfo &get(const std::string &name);

        class Stat
        {
            public:
                Stat(const std::string &tag,
                     const std::string &format):
                tag(tag), format(format) {}

                bool operator ==(std::string &name) const { return tag == name; }

            private:
                std::string tag;
                std::string format;
                friend class ItemDB;
        };

        void setStatsList(const std::list<Stat> &stats);

    private:
        void loadSpriteRef(ItemInfo *itemInfo, xmlNodePtr node);
        void loadSoundRef(ItemInfo *itemInfo, xmlNodePtr node);
        void loadFloorSprite(SpriteDisplay *display, xmlNodePtr node);

        // Items database
        typedef std::map<int, ItemInfo*> ItemInfos;
        typedef std::map<std::string, ItemInfo*> NamedItemInfos;

        ItemInfos mItemInfos;
        NamedItemInfos mNamedItemInfos;
        ItemInfo *mUnknown;
        bool mLoaded;
};

extern ItemDB *itemDb;

#endif