<?php
  /**
   * ownCloud
   *
   * @author Michael Gapczynski
   * @copyright 2012 Michael Gapczynski mtgap@owncloud.com
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or any later version.
   *
   * This library 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 along with this library.  If not, see <http://www.gnu.org/licenses/>.
   *
   */
  
  OC_JSON::callCheck();
  OC_JSON::checkSubAdminUser();
  if (isset($_GET['offset'])) {
  	$offset = $_GET['offset'];
  } else {
  	$offset = 0;
  }
  if (isset($_GET['limit'])) {
  	$limit = $_GET['limit'];
  } else {
  	$limit = 10;
  }

  if (isset($_GET['gid']) && !empty($_GET['gid'])) {
  	$gid = $_GET['gid'];
  	if ($gid === '_everyone') {
  		$gid = false;
  	}
  } else {
  	$gid = false;
  }
  if (isset($_GET['pattern']) && !empty($_GET['pattern'])) {
  	$pattern = $_GET['pattern'];
  } else {
  	$pattern = '';
  }

  $users = array();

  $userManager = \OC_User::getManager();

  if (OC_User::isAdminUser(OC_User::getUser())) {

  	if($gid !== false) {
  		$batch = OC_Group::displayNamesInGroup($gid, $pattern, $limit, $offset);
  	} else {
  		$batch = OC_User::getDisplayNames($pattern, $limit, $offset);
  	}
  	foreach ($batch as $uid => $displayname) {
  		$user = $userManager->get($uid);

  		$users[] = array(

  			'name' => $uid,

  			'displayname' => $displayname,

  			'groups' => OC_Group::getUserGroups($uid),
  			'subadmin' => OC_SubAdmin::getSubAdminsGroups($uid),

  			'quota' => OC_Preferences::getValue($uid, 'files', 'quota', 'default'),
  			'storageLocation' => $user->getHome(),
  			'lastLogin' => $user->getLastLogin(),
  		);

  	}
  } else {
  	$groups = OC_SubAdmin::getSubAdminsGroups(OC_User::getUser());

  	if($gid !== false && in_array($gid, $groups)) {
  		$groups = array($gid);
  	} elseif($gid !== false) {
  		//don't you try to investigate loops you must not know about
  		$groups = array();
  	}
  	$batch = OC_Group::usersInGroups($groups, $pattern, $limit, $offset);
  	foreach ($batch as $uid) {
  		$user = $userManager->get($uid);
  
  		// Only add the groups, this user is a subadmin of
  		$userGroups = array_intersect(OC_Group::getUserGroups($uid), OC_SubAdmin::getSubAdminsGroups(OC_User::getUser()));

  		$users[] = array(

  			'name' => $uid,
  			'displayname' => $user->getDisplayName(),

  			'groups' => $userGroups,

  			'quota' => OC_Preferences::getValue($uid, 'files', 'quota', 'default'),
  			'storageLocation' => $user->getHome(),
  			'lastLogin' => $user->getLastLogin(),
  		);

  	}
  }
  OC_JSON::success(array('data' => $users));