#include "filesystem/vfs.hpp"

#include "kapi/system.hpp"

#include <optional>

namespace filesystem
{
  namespace
  {
    constinit auto static active_vfs = std::optional<vfs>{};
  }

  auto vfs::init() -> void
  {
    if (active_vfs)
    {
      kapi::system::panic("[FILESYSTEM] vfs has already been initialized.");
    }

    active_vfs.emplace(vfs{});
  }

  auto vfs::get() -> vfs &
  {
    if (!active_vfs)
    {
      kapi::system::panic("[FILESYSTEM] vfs has not been initialized.");
    }

    return *active_vfs;
  }

}  // namespace filesystem