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/* -------------------------------------------

  Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.

------------------------------------------- */

#include <KernelKit/FileMgr.h>
#include <NewKit/Utils.h>

/***********************************************************************************/
/// @file FileMgr.cc
//! @brief File System Manager API.
/***********************************************************************************/

namespace Kernel {
STATIC IFilesystemMgr* kMountedFilesystem = nullptr;

/// @brief FilesystemMgr getter.
/// @return The mounted filesystem.
_Output IFilesystemMgr* IFilesystemMgr::GetMounted() {
  return kMountedFilesystem;
}

/// @brief Unmount filesystem.
/// @return The unmounted filesystem.
_Output IFilesystemMgr* IFilesystemMgr::Unmount() {
  if (kMountedFilesystem) {
    auto mount         = kMountedFilesystem;
    kMountedFilesystem = nullptr;

    return mount;
  }

  return nullptr;
}

/// @brief Mount filesystem.
/// @param mount_ptr The filesystem to mount.
/// @return if it succeeded true, otherwise false.
_Output Bool IFilesystemMgr::Mount(_Input IFilesystemMgr* mount_ptr) {
  if (mount_ptr != nullptr) {
    kMountedFilesystem = mount_ptr;
    return Yes;
  }

  return No;
}
}  // namespace Kernel