<?php
/**
 * Einzelwert: Netzwerk/ASN + Hosting-/Tor-Erkennung → GET /api/v1/network.php?ip=<ip>
 *
 * @package SafeMyIdent\Api
 */

declare(strict_types=1);

require __DIR__ . '/../lib/boot2.php';
require_once __DIR__ . '/../lib/asn.php';
require_once __DIR__ . '/../lib/detect.php';

$ip = trim((string) ($_GET['ip'] ?? ''));
if ($ip === '' || smi_ip_version($ip) === 0 || !smi_ip_is_public($ip)) {
    smi_json_error('Bitte eine gültige öffentliche IP angeben.', 422);
}

$cacheKey = 'network|' . $ip;
$hit = smi_cache_get($cacheKey);
if ($hit !== null) {
    smi_json_ok($hit, true);
}

$net = ['asn' => '', 'asn_number' => '', 'as_name' => '', 'prefix' => '', 'rir' => '', 'rir_name' => '', 'alloc_date' => '', 'cc' => ''];
if (smi_module_on('asn')) {
    $net = smi_asn_lookup($ip);
}

$detect = ['is_hosting' => false, 'provider' => '', 'type' => 'unknown', 'tor' => false];
if (smi_module_on('detect')) {
    $d      = smi_detect_network($net['as_name'] ?? '', $net['asn_number'] ?? '');
    $detect = array_merge($d, ['tor' => smi_is_tor_exit($ip)]);
}

$out = [
    'network' => [
        'asn'        => $net['asn'] ?? '',
        'asn_number' => $net['asn_number'] ?? '',
        'as_name'    => $net['as_name'] ?? '',
        'prefix'     => $net['prefix'] ?? '',
        'rir'        => $net['rir'] ?? '',
        'rir_name'   => $net['rir_name'] ?? '',
        'alloc_date' => $net['alloc_date'] ?? '',
        'cc'         => $net['cc'] ?? '',
    ],
    'detection' => $detect,
];
smi_cache_set($cacheKey, $out, (int) ($smi_cfg['cache_ttl'] ?? 900));
smi_json_ok($out);