//////////////////////////////////////////////////////////////////////////////
// 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 "../Cursor.h"
#include "../Keyboard.h"

#include "../../Graphics/Text.h"
#include "../../Template/Rectangle.h"

#include <map>
#include <functional>


namespace jrc
{
    class Textfield
    {
    public:
        enum State
        {
            NORMAL,
            DISABLED,
            FOCUSED
        };

        Textfield(Text::Font font,
                  Text::Alignment alignment,
                  Text::Color color,
                  Rectangle<int16_t> bounds,
                  size_t limit);
        Textfield();
        ~Textfield();

        void draw(Point<int16_t> position) const;
        void update(Point<int16_t> parentpos);
        void send_key(KeyType::Id type, int32_t code, bool down);
        void add_string(const std::string& str);

        void set_state(State state);
        void change_text(const std::string& text);
        void set_cryptchar(int8_t character);

        void set_enter_callback(std::function<void(std::string)> onreturn);
        void set_key_callback(KeyAction::Id key, std::function<void(void)> action);

        Cursor::State send_cursor(Point<int16_t> cursorpos, bool clicked);

        bool empty() const;
        State get_state() const;
        Rectangle<int16_t> get_bounds() const;
        const std::string& get_text() const;

    private:
        void modifytext(const std::string&);
        bool belowlimit() const;

        Text textlabel;
        std::string text;
        Text marker;
        bool showmarker;
        uint16_t elapsed;
        size_t markerpos;
        Rectangle<int16_t> bounds;
        Point<int16_t> parentpos;
        size_t limit;
        int8_t crypt;
        State state;

        std::map<int32_t, std::function<void(void)>> callbacks;
        std::function<void(std::string)> onreturn;
    };
}