<?php
// This file is part of Moodle - http://moodle.org/
//
// 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 <http://www.gnu.org/licenses/>.

/**
 * External API implementation for mod_mooduell.
 *
 * @package    mod_mooduell
 * @category   external
 * @copyright  2020 Wunderbyte GmbH <info@wunderbyte.at>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace mod_mooduell\external;

use external_api;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir . '/externallib.php');

/**
 * External function implementation.
 */
class giveup_game extends external_api {
    /**
     * Describes the parameters for the external function.
     *
     * @return \external_function_parameters
     */
    public static function execute_parameters() {
        return new \external_function_parameters([
                        'gameid' => new \external_value(PARAM_INT, 'game id'),
                ]);
    }
    /**
     * Executes the external function.
     *
     * @param int $gameid
     * @return mixed
     */
    public static function execute(int $gameid) {
        global $DB, $USER;

        $params = [
                'gameid' => $gameid,
        ];

        $params = self::validate_parameters(self::execute_parameters(), $params);

        $entry = $DB->get_record('mooduell_games', ['id' => $params['gameid']]);

        if ($entry) {
            if ($entry->playeraid === $USER->id) {
                $entry->winnerid = $entry->playerbid;
                $entry->playeraqplayed = 9;
            } else if ($entry->playerbid === $USER->id) {
                $entry->winnerid = $entry->playeraid;
                $entry->playerbqplayed = 9;
            } else {
                return ['status' => 0];
            }
        } else {
            return ['status' => 0];
        }
        $entry->status = 3;

        $now = new \DateTime('now', \core_date::get_server_timezone_object());
        $entry->timemodified = $now->getTimestamp();

        $DB->update_record('mooduell_games', $entry);

        return ['status' => 1];
    }
    /**
     * Describes the return structure for the external function.
     *
     * @return \external_description
     */
    public static function execute_returns() {
        return new \external_single_structure([
                        'status' => new \external_value(PARAM_INT, 'status'),
                ]);
    }
}
