//////////////////////////////////////////////////////////////////////////////
// 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 "../UIDragElement.h"

#include "../Components/Icon.h"
#include "../Components/Slider.h"

#include "../../Character/Inventory/Inventory.h"
#include "../../Graphics/Text.h"

namespace jrc
{
    // The Item inventory.
    class UIItemInventory : public UIDragElement<PosINV>
    {
    public:
        static constexpr Type TYPE = ITEMINVENTORY;
        static constexpr bool FOCUSED = false;
        static constexpr bool TOGGLED = true;

        UIItemInventory(const Inventory& inventory);

        void draw(float inter) const override;
        void update() override;

        void doubleclick(Point<int16_t> position) override;
        void send_icon(const Icon& icon, Point<int16_t> position) override;
        void toggle_active() override;
        bool remove_cursor(bool clicked, Point<int16_t> cursorpos) override;
        CursorResult send_cursor(bool pressed, Point<int16_t> position) override;
        void send_key(int32_t keycode, bool pressed, bool escape) override;

        void modify(InventoryType::Id type, int16_t pos, int8_t mode, int16_t arg);
        void enable_sort();
        void enable_gather();

    protected:
        Button::State button_pressed(uint16_t buttonid) override;

    private:
        void show_item(int16_t slot);
        void clear_tooltip();
        void load_icons();
        void update_slot(int16_t slot);
        bool is_visible(int16_t slot) const;
        bool is_not_visible(int16_t slot) const;
        int16_t slot_by_position(Point<int16_t> position) const;
        uint16_t button_by_tab(InventoryType::Id tab) const;
        Point<int16_t> get_slotpos(int16_t slot) const;
        Point<int16_t> get_tabpos(InventoryType::Id tab) const;
        Icon* get_icon(int16_t slot);

        class ItemIcon : public Icon::Type
        {
        public:
            ItemIcon(InventoryType::Id sourcetab, Equipslot::Id eqsource, int16_t source, int32_t itemid);

            void drop_on_stage() const override;
            void drop_on_equips(Equipslot::Id eqslot) const override;
            void drop_on_items(InventoryType::Id tab, Equipslot::Id, int16_t slot, bool) const override;
            void drop_on_bindings(Point<int16_t> cursorposition, bool remove) const override;

        private:
            InventoryType::Id sourcetab;
            Equipslot::Id eqsource;
            int16_t source;
            int32_t item_id;
        };

        enum Buttons
        {
            BT_TAB_EQUIP,
            BT_TAB_USE,
            BT_TAB_ETC,
            BT_TAB_SETUP,
            BT_TAB_CASH,
            BT_DROPMESO,
            BT_POINTS,
            BT_GATHER,
            BT_SORT,
            BT_EXPAND,
            BT_ITEMPOT,
            BT_UPGRADE,
            BT_MAGNIFY,
            BT_BITCASE
        };

        const Inventory& inventory;

        Animation newitemslot;
        Animation newitemtab;
        Texture projectile;
        Text mesolabel;
        Slider slider;

        std::map<int16_t, std::unique_ptr<Icon>> icons;

        InventoryType::Id tab;
        std::pair<int16_t, int16_t> slotrange;
        InventoryType::Id newtab;
        int16_t newslot;
    };
}