<?php

/**
 * @package tikiwiki
 */

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

require_once('tiki-setup.php');
$trklib = TikiLib::lib('trk');
$err = false;

if (
    $prefs['feature_trackers'] !== 'y' || $prefs['feature_jquery'] !== 'y' || $prefs['feature_jquery_autocomplete'] !== 'y' ||
                empty($_REQUEST['fieldId'])
) {
    $err = true;
} elseif (empty($_REQUEST['trackerId'])) {
    $field_info = $trklib->get_tracker_field($_REQUEST['fieldId']);
    $_REQUEST['trackerId'] = $field_info['trackerId'];
}
if (empty($_REQUEST['trackerId'])) {
    $err = true;
} else {
    $tracker_info = $trklib->get_tracker($_REQUEST['trackerId']);
    if (empty($tracker_info)) {
        $err = true;
    } else {
        $tikilib->get_perm_object($_REQUEST['trackerId'], 'tracker', $tracker_info, true);
        if ($tiki_p_view_trackers != 'y') {
            $err = true;
        }
    }
}
if (! isset($_REQUEST['lang'])) {
    $_REQUEST['lang'] = '';
}

$values = [];
if (! $err) {   // errors
    $vals = $trklib->list_tracker_field_values($_REQUEST['trackerId'], $_REQUEST['fieldId'], 'opc', 'y', $_REQUEST['lang']);
    if (! empty($_REQUEST['q'])) {
        foreach ($vals as &$val) {
            if (strpos(strtolower($val), strtolower($_REQUEST['q'])) !== false) {
                $values[] = $val;
            }
        }
    }
}

$access->output_serialized($values);