<?php

declare(strict_types=1);

require_once dirname(__DIR__, 3) . '/src/App/bootstrap.php';

use App\ConfigLoader;
use App\KeycloakAuth;

session_start();

$projectRoot = dirname(__DIR__, 3);
$auth = new KeycloakAuth(ConfigLoader::load($projectRoot, 'keycloak'));
$logoutUrl = null;
$target = trim((string) ($_GET['target'] ?? '/'));

if ($target === '' || !str_starts_with($target, '/')) {
    $target = '/';
}

if ($auth->isConfigured()) {
    $logoutUrl = $auth->logoutUrl($target);
}

$auth->logout();

if ($logoutUrl !== null) {
    header('Location: ' . $logoutUrl, true, 302);
    exit;
}

header('Location: ' . $target, true, 302);
exit;