#ifndef VGATERMINAL_HPP
#define VGATERMINAL_HPP

#include "textoutput.hpp"

#include <cstddef>
#include <cstdint>

class VGATerminal : public TextOutput
{
public:
    enum class Color : std::uint8_t
    {
    	Black = 0,
    	Blue,
    	Green,
    	Cyan,
    	Red,
    	Magenta,
    	Brown,
    	LightGray,
    	DarkGray,
    	LightBlue,
    	LightGreen,
    	LightCyan,
    	LightRed,
    	LightMagenta,
    	LightBrown,
    	White
    };

    using enum Color;

    virtual void write(char c) noexcept final;

private:
    static constexpr std::uintptr_t Videoram = 0xB8000;
    static constexpr unsigned Width = 80;
    static constexpr unsigned Height = 25;

    unsigned offset = 0;
    Color foreground = LightGray;
    Color background = Black;

    void put(char c) noexcept;
    void checkpos() noexcept;
    void updatecursor() const noexcept;
};

#endif // VGATERMINAL_HPP