/*

 *  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_WINDOWS_NPCDIALOG_H

#define GUI_WINDOWS_NPCDIALOG_H

#include "enums/simpletypes/beingid.h"

#include "enums/simpletypes/beingtypeid.h"

#include "enums/gui/npcactionstate.h"

#include "enums/gui/npcinputstate.h"

#include "gui/models/extendedlistmodel.h"

#include "gui/widgets/window.h"

#include "listeners/actionlistener.h"

class Being;

class Button;

class BrowserBox;

class ComplexInventory;

class ComplexItem;

class Container;

class ExtendedListBox;

class Item;

class ItemLinkHandler;

class Inventory;

class IntTextField;

class ItemContainer;

class NpcDialog;

class PlayerBox;

class ScrollArea;

class TextField;

struct NpcDialogInfo;

typedef std::map<BeingId, NpcDialog*> NpcDialogs;

/**

 * The npc dialog.

 *

 * \ingroup Interface

 */

class NpcDialog final : public Window,

                        public ActionListener,

                        public ExtendedListModel,

                        public ConfigListener

{

    public:

        /**

         * Constructor.

         *

         * @see Window::Window

         */

        explicit NpcDialog(const BeingId npcId);

        A_DELETE_COPY(NpcDialog)

        ~NpcDialog() override final;

        void postInit() override final;

        /**

         * Called when receiving actions from the widgets.

         */

        void action(const ActionEvent &event) override final;

        /**

        * Sets the text shows in the dialog.

        *

        * @param string The new text.

        */

//        void setText(const std::string &string);

        /**

         * Adds the text to the text shows in the dialog. Also adds a newline

         * to the end.

         *

         * @param string The text to add.

         */

        void addText(const std::string &string,

                     const bool save);

        /**

         * When called, the widget will show a "Next" button.

         */

        void showNextButton();

        /**

         * When called, the widget will show a "Close" button and will close

         * the dialog when clicked.

         */

        void showCloseButton();

        /**

         * Notifies the server that client has performed a next action.

         */

        void nextDialog();

        /**

         * Notifies the server that the client has performed a close action.

         */

        void closeDialog();

        /**

         * Returns the number of items in the choices list.

         */

        int getNumberOfElements() override final A_WARN_UNUSED;

        /**

         * Returns the name of item number i of the choices list.

         */

        std::string getElementAt(int i) override final A_WARN_UNUSED;

        /**

         * Returns the image of item number i of the choices list.

         */

        const Image *getImageAt(int i) override final A_WARN_UNUSED;

        /**

         * Makes this dialog request a choice selection from the user.

         */

        void choiceRequest();

        /**

         * Adds a choice to the list box.

         */

        void addChoice(const std::string &);

        /**

          * Fills the options list for an NPC dialog.

          *

          * @param itemString A string with the options separated with colons.

          */

        void parseListItems(const std::string &itemString);

        /**

         * Requests a text string from the user.

         */

        void textRequest(const std::string &defaultText);

        bool isInputFocused() const A_WARN_UNUSED;

        bool isTextInputFocused() const A_WARN_UNUSED;

        static bool isAnyInputFocused() A_WARN_UNUSED;

        /**

         * Requests a interger from the user.

         */

        void integerRequest(const int defaultValue,

                            const int min,

                            const int max);

        void itemRequest(const int size);

        void itemIndexRequest(const int size);

        void itemCraftRequest(const int size);

        void move(const int amount);

        void setVisible(Visible visible) override final;

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

        /**

         * Returns true if any instances exist.

         */

        static bool isActive() A_WARN_UNUSED

        /**

         * Returns the first active instance. Useful for pushing user

         * interaction.

         */

        static NpcDialog *getActive() A_WARN_UNUSED;

        /**

         * Closes all instances.

         */

        static void closeAll();

        /**

         * Closes all instances and destroy also net handler dialogs.

         */

        static void destroyAll();

        void saveCamera();

        void restoreCamera();

        void refocus();

        void showAvatar(const BeingTypeId avatarId);

        void setAvatarDirection(const uint8_t direction);

        void setAvatarAction(const int actionId);

        void logic() override final;

        void clearRows();

        void mousePressed(MouseEvent &event) override final;

        int isCloseState() const

        { return static_cast<int>(mActionState == NpcActionState::CLOSE); }

        void setSkin(const std::string &skin);

        void addCraftItem(Item *const item,

                          const int amount,

                          const int slot);

        NpcInputStateT getInputState()

        { return mInputState; }

        void copyToClipboard(const int x, const int y) const;

        static NpcDialogs mNpcDialogs;

        static void clearDialogs();

    private:

        typedef std::list<NpcDialog*> DialogList;

        static DialogList instances;

        void buildLayout();

        void placeNormalControls();

        void placeMenuControls();

        void placeSkinControls();

        void placeTextInputControls();

        void placeIntInputControls();

        void placeItemInputControls();

        void createSkinControls();

        void deleteSkinControls();

        static void restoreVirtuals();

        static std::string complexItemToStr(const ComplexItem *const item);

        BeingId mNpcId;

        int mDefaultInt;

        std::string mDefaultString;

        // Used for the main input area

        BrowserBox *mTextBox A_NONNULLPOINTER;

        ScrollArea *mScrollArea A_NONNULLPOINTER;

        std::string mText;

        std::string mNewText;

        // Used for choice input

        StringVect mItems;

        STD_VECTOR<Image *> mImages;

        ExtendedListBox *mItemList A_NONNULLPOINTER;

        ScrollArea *mListScrollArea A_NONNULLPOINTER;

        Container *mSkinContainer A_NONNULLPOINTER;

        ScrollArea *mSkinScrollArea A_NONNULLPOINTER;

        ItemLinkHandler *mItemLinkHandler A_NONNULLPOINTER;

        // Used for string and integer input

        TextField *mTextField A_NONNULLPOINTER;

        IntTextField *mIntField A_NONNULLPOINTER;

        Button *mPlusButton A_NONNULLPOINTER;

        Button *mMinusButton A_NONNULLPOINTER;

        Button *mClearButton A_NONNULLPOINTER;

        // Used for the button

        Button *mButton A_NONNULLPOINTER;

        Button *mButton2 A_NONNULLPOINTER;

        Button *mButton3 A_NONNULLPOINTER;

        // Will reset the text and integer input to the provided default

        Button *mResetButton A_NONNULLPOINTER;

        Inventory *mInventory A_NONNULLPOINTER;

        ComplexInventory *mComplexInventory A_NONNULLPOINTER;

        ItemContainer *mItemContainer A_NONNULLPOINTER;

        ScrollArea *mItemScrollArea A_NONNULLPOINTER;

        NpcInputStateT mInputState;

        NpcActionStateT mActionState;

        STD_VECTOR<Widget*> mSkinControls;

        std::string mSkinName;

        PlayerBox *mPlayerBox A_NONNULLPOINTER;

        Being *mAvatarBeing;

        const NpcDialogInfo *mDialogInfo;

        int mLastNextTime;

        int mCameraMode;

        int mCameraX;

        int mCameraY;

        bool mShowAvatar;

        bool mLogInteraction;

};

#endif  // GUI_WINDOWS_NPCDIALOG_H