<?php
/**
 * spam.php -- OOPSpam API spam detection
 * Converted from spam.php (cfhttp → curl)
 */
require_once __DIR__ . '/functions.php';

$spamcontent = $spamcontent ?? '';
$relid       = $relid ?? 0;
$reltable    = $reltable ?? '';
$userId      = $userId ?? 0;

$Score             = 0;
$isIPBlocked       = true;
$langMatch         = true;
$countryMatch      = false;
$numberOfSpamWords = 0;

// Determine client IP
$senderIP = '';
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
    $senderIP = trim(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])[0]);
}
if ($senderIP === '') {
    $senderIP = $_SERVER['REMOTE_ADDR'] ?? ($_SERVER['REMOTE_HOST'] ?? '');
}

// Build request body
$contentBody = [
    'checkForLength'   => true,
    'senderIP'         => $senderIP,
    'allowedCountries' => ['it', 'us'],
    'allowedLanguages' => ['en'],
    'content'          => $spamcontent,
];

// Send request via curl
$ch = curl_init('https://api.oopspam.com/v1/spamdetection');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST           => true,
    CURLOPT_HTTPHEADER     => [
        'X-Api-Key: Rz0VSS6LmpA3mGNWf9PqtWjD2BMwwTK7PNFNXsi0',
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS     => json_encode($contentBody),
    CURLOPT_TIMEOUT        => 30,
]);
$result = curl_exec($ch);
curl_close($ch);

if ($result && ($apiResponse = json_decode($result, true)) !== null) {
    if (isset($apiResponse['Score'])) {
        $Score = $apiResponse['Score'];
    }
    if (isset($apiResponse['Details']) && is_array($apiResponse['Details'])) {
        $d = $apiResponse['Details'];
        if (isset($d['isIPBlocked']))       $isIPBlocked       = $d['isIPBlocked'];
        if (isset($d['langMatch']))         $langMatch         = $d['langMatch'];
        if (isset($d['numberOfSpamWords'])) $numberOfSpamWords = $d['numberOfSpamWords'];
        if (isset($d['countryMatch']))      $countryMatch      = $d['countryMatch'];
    }
}

// Log result
$stmt = db_write()->prepare(
    "INSERT INTO oopspamResponses
        (Score, isIPBlocked, langMatch, countryMatch, numberOfSpamWords, senderIP, userId, reltable, relid, spamcontent)
     VALUES
        (:score, :blocked, :lang, :country, :spamwords, :ip, :uid, :tbl, :rid, :content)"
);
$stmt->execute([
    ':score'     => (int)$Score,
    ':blocked'   => (int)$isIPBlocked,
    ':lang'      => (int)$langMatch,
    ':country'   => (int)$countryMatch,
    ':spamwords' => (string)$numberOfSpamWords,
    ':ip'        => $senderIP,
    ':uid'       => (int)$userId,
    ':tbl'       => $reltable,
    ':rid'       => (int)$relid,
    ':content'   => $spamcontent,
]);