#include "kernel/filesystem/ext2/ext2_filesystem.hpp"

#include "kernel/devices/device.hpp"
#include "kernel/filesystem/ext2/ext2_inode.hpp"
#include "kernel/filesystem/filesystem.hpp"
#include "kernel/filesystem/inode.hpp"

#include <kstd/memory>

#include <string_view>

namespace filesystem::ext2
{
  auto ext2_filesystem::mount(kstd::shared_ptr<devices::device> const & device) -> int
  {
    filesystem::mount(device);  // TODO BA-FS26 error handling?
    // TODO BA-FS26 load proper root inode from ext2 metadata
    // m_root_inode = inode{inode_kind::directory};

    // TODO BA-FS26 implement
    m_root_inode = kstd::make_shared<ext2_inode>();
    return 0;
  }

  auto ext2_filesystem::lookup(kstd::shared_ptr<inode> const & /*parent*/, std::string_view name)
      -> kstd::shared_ptr<inode>
  {
    // TODO BA-FS26 implement ext2 directory traversal and inode loading
    if (name == "dev")
    {
      // TODO BA-FS26 just for testing
      return nullptr;
    }

    return kstd::make_shared<ext2_inode>();
  }
}  // namespace filesystem::ext2