<?php
require_once('include/headscript.php');

$pdo = DBHandlerSelect::getInstance()->getConnection();

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    header('Location: options.php');
    exit;
}

$waiting     = isset($_POST['waitinglist_enabled']) ? 'Y' : 'N';
$showTeacher = isset($_POST['show_teacher']) ? 'Y' : 'N';
$maxCancel   = max(0, (int) ($_POST['maxbeforetimecancell'] ?? 0));

try {
    $exists = (int) $pdo->query("SELECT COUNT(*) AS c FROM `option`")->fetch()['c'] > 0;

    if ($exists) {
        $st = $pdo->prepare("UPDATE `option`
                             SET waitinglist_enabled = :w, show_teacher = :s, maxbeforetimecancell = :m
                             LIMIT 1");
    } else {
        $st = $pdo->prepare("INSERT INTO `option` (waitinglist_enabled, show_teacher, maxbeforetimecancell)
                             VALUES (:w, :s, :m)");
    }
    $st->execute([':w' => $waiting, ':s' => $showTeacher, ':m' => (string) $maxCancel]);

    header('Location: optionsschool.php?message=success');
} catch (Throwable $e) {
    error_log('options_save: ' . $e->getMessage());
    header('Location: options.php?message=error');
}
exit;