//////////////////////////////////////////////////////////////////////////////
// This file is part of the Journey MMORPG client                           //
// Copyright © 2015-2016 Daniel Allendorf                                   //
//                                                                          //
// This program is free software: you can redistribute it and/or modify     //
// it under the terms of the GNU Affero General Public License as           //
// published by the Free Software Foundation, either version 3 of the       //
// License, or (at your option) 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 Affero General Public License for more details.                      //
//                                                                          //
// You should have received a copy of the GNU Affero General Public License //
// along with this program.  If not, see <http://www.gnu.org/licenses/>.    //
//////////////////////////////////////////////////////////////////////////////
#pragma once
#include "../../Character/Inventory/Inventory.h"
#include "../../Graphics/Texture.h"

#include <memory>

namespace jrc
{
    class Icon
    {
    public:
        class Type
        {
        public:
            virtual ~Type() {}

            virtual void drop_on_stage() const = 0;
            virtual void drop_on_equips(Equipslot::Id eqslot) const = 0;
            virtual void drop_on_items(InventoryType::Id tab, Equipslot::Id eqslot, int16_t slot, bool equip) const = 0;
            virtual void drop_on_bindings(Point<int16_t>, bool) const {}
        };


        class NullType : public Type
        {
            void drop_on_stage() const override {}
            void drop_on_equips(Equipslot::Id) const override {}
            void drop_on_items(InventoryType::Id, Equipslot::Id, int16_t, bool) const override {}
        };

        Icon(std::unique_ptr<Type> type, Texture texture, int16_t count);
        Icon();

        void draw(Point<int16_t> position) const;
        void dragdraw(Point<int16_t> cursorpos) const;
        void drop_on_stage() const;
        void drop_on_equips(Equipslot::Id eqslot) const;
        void drop_on_items(InventoryType::Id tab, Equipslot::Id eqslot, int16_t slot, bool equip) const;
        void drop_on_bindings(Point<int16_t> cursorpos, bool remove) const;
        void start_drag(Point<int16_t> offset);
        void reset();
        void set_count(int16_t count);
        int16_t get_count() const;

    private:
        std::unique_ptr<Type> type;
        Texture texture;
        bool showcount;
        int16_t count;

        bool dragged;
        Point<int16_t> cursoroffset;
    };
}