/*

 *  The ManaPlus Client

 *  Copyright (C) 2008  The Legend of Mazzeroth Development Team

 *  Copyright (C) 2009  Aethyra Development Team

 *  Copyright (C) 2009  The Mana World Development Team

 *  Copyright (C) 2009-2010  The Mana Developers

 *  Copyright (C) 2011-2019  The ManaPlus Developers

 *  Copyright (C) 2019-2021  Andrei Karas

 *

 *  This file is part of The ManaPlus 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 GUI_THEME_H

#define GUI_THEME_H

#include "logger.h"

#include "enums/gui/progresscolorid.h"

#include "enums/gui/themecolorid.h"

#include "listeners/configlistener.h"

#include "gui/palette.h"

#include "utils/stringvector.h"

#include "localconsts.h"

class DyePalette;

class Image;

class ImageRect;

class ImageSet;

class Skin;

class Theme;

struct ThemeInfo;

extern Theme *theme;

class Theme final : public Palette,

                    public ConfigListener

{

    public:

        Theme();

        ~Theme() override final;

        A_DELETE_COPY(Theme)

        static void prepareThemePath();

        static void selectSkin();

        static std::string getThemePath() A_WARN_UNUSED

        static std::string getThemeName() A_WARN_UNUSED

        static void fillSkinsList(StringVect &list);

        static void fillFontsList(StringVect &list);

        static void fillSoundsList(StringVect &list);

        /**

         * Returns the patch to the given gui resource relative to the theme

         * or, if it isn't in the theme, relative to 'graphics/gui'.

         */

        static std::string resolveThemePath(const std::string &path)

                                            A_WARN_UNUSED;

        static Image *getImageFromTheme(const std::string &path) A_WARN_UNUSED;

        static ImageSet *getImageSetFromTheme(const std::string &path,

                                              const int w,

                                              const int h) A_WARN_UNUSED;

        static ImageSet *getImageSetFromThemeXml(const std::string &name,

                                          const std::string &name2,

                                          const int w,

                                          const int h)A_WARN_UNUSED;

        static Color getProgressColor(const ProgressColorIdT type,

                                      const float progress) A_WARN_UNUSED;

        /**

         * Loads a skin.

         */

        Skin *load(const std::string &filename,

                   const std::string &filename2,

                   const bool full,

                   const std::string &restrict defaultPath) A_WARN_UNUSED;

        Skin *loadSkinRect(ImageRect &image,

                           const std::string &name,

                           const std::string &name2,

                           const int start,

                           const int end) A_WARN_UNUSED;

        void unload(Skin *const skin);

        /**

         * Updates the alpha values of all of the skins.

         */

        void updateAlpha();

        /**

         * Get the minimum opacity allowed to skins.

         */

        float getMinimumOpacity() const noexcept2 A_WARN_UNUSED

        /**

         * Gets the color associated with the type. Sets the alpha channel

         * before returning.

         *

         * @param type the color type requested

         * @param alpha alpha channel to use

         *

         * @return the requested color

         */

                                     const unsigned int alpha) A_WARN_UNUSED

        {

            {

                    CAST_S32(type),

                Color *const col = &mColors[CAST_SIZE(

            }

            else

            {

            }

        }

        ThemeColorIdT getIdByChar(const signed char c,

                                  bool &valid) const A_WARN_UNUSED;

        /**

         * Set the minimum opacity allowed to skins.

         * Set a negative value to free the minimum allowed.

         */

        void setMinimumOpacity(const float minimumOpacity);

        void optionChanged(const std::string &name) override final;

        void loadRect(ImageRect &image,

                      const std::string &name,

                      const std::string &name2,

                      const int start,

                      const int end);

        static void unloadRect(const ImageRect &rect,

                               const int start,

                               const int end);

        static Image *getImageFromThemeXml(const std::string &name,

                                           const std::string &name2)

                                           A_WARN_UNUSED;

        static ThemeInfo *loadInfo(const std::string &themeName) A_WARN_UNUSED;

    private:

        Skin *readSkin(const std::string &filename0,

                       const bool full) A_WARN_UNUSED;

        // Map containing all window skins

        typedef std::map<std::string, Skin*> Skins;

        typedef Skins::iterator SkinIterator;

        Skins mSkins;

        static std::string mThemePath;

        static std::string mThemeName;

        static std::string mScreenDensity;

        static bool tryThemePath(const std::string &themePath) A_WARN_UNUSED;

        void loadColors(std::string file);

        /**

         * Tells if the current skins opacity

         * should not get less than the given value

         */

        float mMinimumOpacity;

        typedef STD_VECTOR<DyePalette*> ProgressColors;

        ProgressColors mProgressColors;

};

#endif  // GUI_THEME_H