<?php
  /**
   * Copyright (c) 2013 Thomas Müller <thomas.mueller@tmit.eu>
   * Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OCA\Files\Command;
  
  use Symfony\Component\Console\Command\Command;
  use Symfony\Component\Console\Input\InputArgument;
  use Symfony\Component\Console\Input\InputInterface;
  use Symfony\Component\Console\Input\InputOption;
  use Symfony\Component\Console\Output\OutputInterface;
  
  class Scan extends Command {
  
  	/**
  	 * @var \OC\User\Manager $userManager
  	 */
  	private $userManager;
  
  	public function __construct(\OC\User\Manager $userManager) {
  		$this->userManager = $userManager;
  		parent::__construct();
  	}
  
  	protected function configure() {
  		$this
  			->setName('files:scan')
  			->setDescription('rescan filesystem')
  			->addArgument(
  					'user_id',
  					InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
  					'will rescan all files of the given user(s)'
  				     )
  			->addOption(
  					'all',
  					null,
  					InputOption::VALUE_NONE,
  					'will rescan all files of all known users'
  				   )
  		;
  	}
  
  	protected function scanFiles($user, OutputInterface $output) {
  		$scanner = new \OC\Files\Utils\Scanner($user);
  		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFile', function($path) use ($output) {
  			$output->writeln("Scanning <info>$path</info>");
  		});
  		$scanner->listen('\OC\Files\Utils\Scanner', 'scanFolder', function($path) use ($output) {
  			$output->writeln("Scanning <info>$path</info>");
  		});
  		$scanner->scan('');
  	}
  
  	protected function execute(InputInterface $input, OutputInterface $output) {

  		\OC_App::loadApps('authentication');

  		if ($input->getOption('all')) {
  			$users = $this->userManager->search('');
  		} else {
  			$users = $input->getArgument('user_id');
  		}
  
  		foreach ($users as $user) {
  			if (is_object($user)) {
  				$user = $user->getUID();
  			}
  			$this->scanFiles($user, $output);
  		}
  	}
  }