<?php
header('Content-Type: application/json');
require_once 'rail_api.php';

$pnrNumber = $_GET['pnr'] ?? null;

if (!$pnrNumber) {
    echo json_encode(['error' => 'PNR number is required.']);
    exit;
}

$api = new RailApi();
$response = $api->checkPnrStatus($pnrNumber);

echo json_encode($response);
?>