<?php
/**
 * update_radius.php — Update Radius Pusat Keagamaan
 *
 * POST params:
 *   id     - ID pusat keagamaan
 *   radius - Radius baru dalam meter
 */

require_once 'koneksi.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(['success' => false, 'message' => 'Hanya menerima POST']);
    exit;
}

$id     = intval($_POST['id']     ?? 0);
$radius = intval($_POST['radius'] ?? 300);

if ($id < 1) {
    echo json_encode(['success' => false, 'message' => 'ID tidak valid']);
    exit;
}

// Batasi radius minimum 50 meter
if ($radius < 50) $radius = 50;

$sql = "UPDATE religious_centers SET radius=$radius WHERE id=$id";

if ($conn->query($sql)) {
    echo json_encode([
        'success' => true,
        'id'      => $id,
        'radius'  => $radius
    ]);
} else {
    echo json_encode(['success' => false, 'message' => $conn->error]);
}

$conn->close();