#include "arch/video/vga/text.hpp"

#include "arch/boot/pointers.hpp"
#include "memory/asm_pointer.hpp"

#include <algorithm>
#include <string_view>

namespace teachos::arch::video::vga::text
{

  namespace
  {
    auto constinit text_buffer = teachos::boot::asm_pointer{boot::vga_buffer_pointer};

    auto write(char character, std::byte color) -> void
    {
      auto & p = *text_buffer;
      (*p++) = static_cast<std::byte>(character);
      (*p++) = color;
    };
  }  // namespace

  auto write(std::string_view text, std::byte color) -> void
  {
    std::ranges::for_each(text, [&](auto character) { write(character, color); });
  }

}  // namespace teachos::arch::video::vga::text