#include "kernel/filesystem/rootfs/filesystem.hpp"

#include "kapi/devices/device.hpp"

#include "kernel/filesystem/inode.hpp"
#include "kernel/filesystem/rootfs/inode.hpp"

#include <kstd/memory>

#include <string_view>

namespace kernel::filesystem::rootfs
{
  auto filesystem::mount(kstd::shared_ptr<kapi::devices::device> const &) -> operation_result
  {
    auto rfs_inode = kstd::make_shared<inode>();
    rfs_inode->add_child("dev");
    m_root_inode = rfs_inode;

    return operation_result::success;
  }

  auto filesystem::lookup(kstd::shared_ptr<kernel::filesystem::inode> const & parent, std::string_view name)
      -> kstd::shared_ptr<kernel::filesystem::inode>
  {
    if (auto * rfs_inode = static_cast<inode *>(parent.get()))
      return rfs_inode->lookup_child(name);
    return nullptr;
  }
}  // namespace kernel::filesystem::rootfs