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

$id          = (int)($_POST['id']       ?? 0);
$radius_baru = max(50, min(5000, (int)($_POST['radius_m'] ?? 300)));

if ($id <= 0) { echo json_encode(['status'=>'error','message'=>'ID tidak valid']); exit; }

$query = "UPDATE masjid SET radius_m = $radius_baru WHERE id = $id";
if (mysqli_query($conn, $query)) echo json_encode(['status' => 'success']);
else echo json_encode(['status' => 'error', 'message' => mysqli_error($conn)]);