<?php
// This file is part of the Studyplan plugin for Moodle
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <https://www.gnu.org/licenses/>.
/**
 * Background task to refresh the list of associaded teachers with studyplans
 * @package    tool_sptoolboxmgr
 * @copyright  2023 P.M. Kuipers
 * @license    https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace tool_sptoolboxmgr\task;
defined('MOODLE_INTERNAL') || die();

require_once($CFG->dirroot.'/user/profile/lib.php');
use \local_treestudyplan\studyplan;
/**
 * Background task to process changes in 
 */
class updatetrackfieldtask extends \core\task\scheduled_task {

    /**
     * Return the task's name as shown in admin screens.
     *
     * @return string
     */
    public function get_name() {
        return get_string('updatetrackfieldtask', 'tool_sptoolboxmgr');
    }

    /**
     * Execute the task.
     */
    public function execute() {
        global $DB;
        if (get_config("tool_sptoolboxmgr","trackautofill")) {
            $fieldid = get_config("tool_sptoolboxmgr","trackfield");
            if ($fieldid > 0) {
                $field = $DB->get_record("user_info_field",["id" => $fieldid]);
                if ( $field && $field->datatype == "menu") {
                    $names = [];
                    $templates = studyplan::find_template();
                    $mapping = get_config("tool_sptoolboxmgr","trackmapping");
                    foreach ($templates as $s) {
                        if ($mapping == "shortname") {
                            $names[] = $s->shortname();
                        } elseif ($mapping == "idnumber") {
                            $names[] = $s->idnumber();
                        } elseif ($mapping == "name") {
                            $names[] = $s->name();
                        }
                    }

                    $field->param1 = implode("\n",$names);
                    $DB->update_record("user_info_field",$field);
                }
            }
        }
    }
}