#pragma once

#include <acs-driver/ssd1306.hpp>

namespace acs
{
    class qr_encoder;
    class oled_writer
    {
        static const unsigned char tick[72];
        static const unsigned char cross[72];
        qr_encoder* qr_encoder_;
        ssd1306* oled_ = nullptr;
        template <typename F>
        void refresh(F func)
        {
            oled_->clear_display();
            func();
            oled_->display();
        }
    public:
        explicit oled_writer();
        void refresh();
        void authorized();
        void access_denied();
        void write_qr_code();
    };
}