<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Robin Appelman <robin@icewind.nl>
 * @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\Command;

use OC\Core\Command\Base;
use OCA\Files_External\NotFoundException;
use OCA\Files_External\Service\GlobalStoragesService;
use OCA\Files_External\Service\UserStoragesService;
use OCP\IUserManager;
use OCP\IUserSession;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ConfirmationQuestion;

class Delete extends Base {
	/**
	 * @var GlobalStoragesService
	 */
	protected $globalService;

	/**
	 * @var UserStoragesService
	 */
	protected $userService;

	/**
	 * @var IUserSession
	 */
	protected $userSession;

	/**
	 * @var IUserManager
	 */
	protected $userManager;

	public function __construct(GlobalStoragesService $globalService, UserStoragesService $userService, IUserSession $userSession, IUserManager $userManager) {
		parent::__construct();
		$this->globalService = $globalService;
		$this->userService = $userService;
		$this->userSession = $userSession;
		$this->userManager = $userManager;
	}

	protected function configure() {
		$this
			->setName('files_external:delete')
			->setDescription('Delete an external mount')
			->addArgument(
				'mount_id',
				InputArgument::REQUIRED,
				'The id of the mount to edit'
			)->addOption(
				'yes',
				'y',
				InputOption::VALUE_NONE,
				'Skip confirmation'
			);
		parent::configure();
	}

	protected function execute(InputInterface $input, OutputInterface $output) {
		$mountId = $input->getArgument('mount_id');
		try {
			$mount = $this->globalService->getStorage($mountId);
		} catch (NotFoundException $e) {
			$output->writeln('<error>Mount with id "' . $mountId . ' not found, check "occ files_external:list" to get available mounts"</error>');
			return 404;
		}

		$noConfirm = $input->getOption('yes');

		if (!$noConfirm) {
			$listCommand = new ListCommand($this->globalService, $this->userService, $this->userSession, $this->userManager);
			$listInput = new ArrayInput([], $listCommand->getDefinition());
			$listInput->setOption('output', $input->getOption('output'));
			$listCommand->listMounts(null, [$mount], $listInput, $output);

			$questionHelper = $this->getHelper('question');
			$question = new ConfirmationQuestion('Delete this mount? [y/N] ', false);

			if (!$questionHelper->ask($input, $output, $question)) {
				return null;
			}
		}

		$this->globalService->removeStorage($mountId);
	}
}
