/*

 *  The ManaPlus Client

 *  Copyright (C) 2004-2009  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_WIDGETS_SELLDIALOG_H

#define GUI_WIDGETS_SELLDIALOG_H

#include "enums/resources/item/itemtype.h"

#include "enums/simpletypes/advanced.h"

#include "enums/simpletypes/issell.h"

#include "enums/simpletypes/itemcolor.h"

#include "gui/widgets/window.h"

#include "listeners/actionlistener.h"

#include "listeners/selectionlistener.h"

class Button;

class Item;

class Label;

class ScrollArea;

class ShopItem;

class ShopItems;

class ShopListBox;

class Slider;

/**

 * The sell dialog.

 *

 * \ingroup Interface

 */

class SellDialog notfinal : public Window,

                            public ActionListener,

                            private SelectionListener

{

    public:

        /**

         * Constructor.

         */

        SellDialog(const IsSell isSell,

                   const Advanced advanced);

        A_DELETE_COPY(SellDialog)

        /**

         * Destructor

         */

        ~SellDialog() override;

        /**

         * Resets the dialog, clearing inventory.

         */

        void reset();

        /**

         * Adds an item to the inventory.

         */

        void addItem(const Item *const item,

                     const int price);

        /**

         * Called when receiving actions from the widgets.

         */

        void action(const ActionEvent &event) override final;

        /**

         * Updates labels according to selected item.

         *

         * @see SelectionListener::selectionChanged

         */

        void valueChanged(const SelectionEvent &event) override final;

        /**

         * Gives Player's Money amount

         */

        void setMoney(const int amount);

        /**

         * Sets the visibility of this window.

         */

        void setVisible(Visible visible) override final;

        ShopItem *addItem(const int id,

                          const ItemTypeT type,

                          const ItemColor color,

                          const int amount,

                          const int price);

        /**

         * Returns true if any instances exist.

         */

        static bool isActive() A_WARN_UNUSED

        /**

         * Closes all instances.

         */

        static void closeAll();

        void postInit() override;

    protected:

        typedef std::list<SellDialog*> DialogList;

        static DialogList instances;

        /**

         * Updates the state of buttons and labels.

         */

        void updateButtonsAndLabels();

        virtual void sellAction(const ActionEvent &event) = 0;

        Button *mSellButton A_NONNULLPOINTER;

        Button *mQuitButton A_NONNULLPOINTER;

        Button *mConfirmButton A_NONNULLPOINTER;

        Button *mAddMaxButton;

        Button *mIncreaseButton;

        Button *mDecreaseButton;

        ShopListBox *mShopItemList A_NONNULLPOINTER;

        ScrollArea *mScrollArea A_NONNULLPOINTER;

        Label *mMoneyLabel;

        Label *mQuantityLabel;

        Slider *mSlider;

        ShopItems *mShopItems A_NONNULLPOINTER;

        int mPlayerMoney;

        int mMaxItems;

        int mAmountItems;

        IsSell mIsSell;

        Advanced mAdvanced;

};

#endif  // GUI_WIDGETS_SELLDIALOG_H