<?php
  /**
   * Copyright (c) 2014 Arthur Schiwon <blizzz@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OC\Core\Command\User;
  
  use Symfony\Component\Console\Command\Command;
  use Symfony\Component\Console\Input\InputArgument;
  use Symfony\Component\Console\Input\InputInterface;
  use Symfony\Component\Console\Output\OutputInterface;
  use Symfony\Component\Console\Helper\TableHelper;
  
  class Report extends Command {
  	protected function configure() {
  		$this
  			->setName('user:report')
  			->setDescription('shows how many users have access');
  	}
  
  	protected function execute(InputInterface $input, OutputInterface $output) {
  		$table = $this->getHelperSet()->get('table');
  		$table->setHeaders(array('User Report', ''));
  		$userCountArray = $this->countUsers();
  		if(!empty($userCountArray)) {
  			$total = 0;
  			$rows = array();
  			foreach($userCountArray as $classname => $users) {
  				$total += $users;
  				$rows[] = array($classname, $users);
  			}
  
  			$rows[] = array(' ');
  			$rows[] = array('total users', $total);
  		} else {
  			$rows[] = array('No backend enabled that supports user counting', '');
  		}
  
  		$userDirectoryCount = $this->countUserDirectories();
  		$rows[] = array(' ');
  		$rows[] = array('user directories', $userDirectoryCount);
  
  		$table->setRows($rows);
  		$table->render($output);
  	}
  
  	private function countUsers() {
  		\OC_App::loadApps(array('authentication'));
  		$userManager = \OC::$server->getUserManager();
  		return $userManager->countUsers();
  	}
  
  	private function countUserDirectories() {
  		$dataview = new \OC\Files\View('/');
  		$userDirectories = $dataview->getDirectoryContent('/', 'httpd/unix-directory');
  		return count($userDirectories);
  	}
  }