<?php
  
  OCP\JSON::checkLoggedIn();
  OCP\JSON::callCheck();
  
  $l = \OC_L10N::get('settings');
  $user = \OC_User::getUser();
  $view = new \OC\Files\View('/' . $user . '/files_encryption');
  
  $keyfilesRestored = $view->rename('keyfiles.backup', 'keyfiles');
  $sharekeysRestored = $view->rename('share-keys.backup' , 'share-keys');
  
  if ($keyfilesRestored && $sharekeysRestored) {
  	\OCP\JSON::success(array('data' => array('message' => $l->t('Backups restored successfully'))));
  } else {
  	// if one of the move operation was succesful we remove the files back to have a consistent state
  	if($keyfilesRestored) {
  		$view->rename('keyfiles', 'keyfiles.backup');
  	}
  	if($sharekeysRestored) {
  		$view->rename('share-keys' , 'share-keys.backup');
  	}
  	\OCP\JSON::error(array('data' => array('message' => $l->t('Couldn\'t restore your encryption keys, please check your owncloud.log or ask your administrator'))));
  }