<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Julius Härtl <jus@bitgrid.net>
 * @author Robin Appelman <robin@icewind.nl>
 * @author Robin McCorkell <robin@mccorkell.me.uk>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OCA\Files_External\Lib;

use OC\Files\Mount\MoveableMount;
use OCA\Files_External\Config\ExternalMountPoint;
use OCA\Files_External\Service\UserStoragesService;
use OCP\Files\Storage\IStorage;

/**
 * Person mount points can be moved by the user
 */
class PersonalMount extends ExternalMountPoint implements MoveableMount {
	/** @var UserStoragesService */
	protected $storagesService;

	/** @var int id of the external storage (mount) (not the numeric id of the resulting storage!) */
	protected $numericExternalStorageId;

	/**
	 * @param UserStoragesService $storagesService
	 * @param int $storageId
	 * @param IStorage $storage
	 * @param string $mountpoint
	 * @param array $arguments (optional) configuration for the storage backend
	 * @param \OCP\Files\Storage\IStorageFactory $loader
	 * @param array $mountOptions mount specific options
	 */
	public function __construct(
		UserStoragesService $storagesService,
		StorageConfig $storageConfig,
		$externalStorageId,
		$storage,
		$mountpoint,
		$arguments = null,
		$loader = null,
		$mountOptions = null,
		$mountId = null
	) {
		parent::__construct($storageConfig, $storage, $mountpoint, $arguments, $loader, $mountOptions, $mountId);
		$this->storagesService = $storagesService;
		$this->numericExternalStorageId = $externalStorageId;
	}

	/**
	 * Move the mount point to $target
	 *
	 * @param string $target the target mount point
	 * @return bool
	 */
	public function moveMount($target) {
		$storage = $this->storagesService->getStorage($this->numericExternalStorageId);
		// remove "/$user/files" prefix
		$targetParts = explode('/', trim($target, '/'), 3);
		$storage->setMountPoint($targetParts[2]);
		$this->storagesService->updateStorage($storage);
		$this->setMountPoint($target);
		return true;
	}

	/**
	 * Remove the mount points
	 *
	 * @return bool
	 */
	public function removeMount() {
		$this->storagesService->removeStorage($this->numericExternalStorageId);
		return true;
	}
}