Update: 2026-08-06 18:32:03

app/modules_app/auth/login.php

@@ -88,12 +88,20 @@ if ($deviceId && !$isReviewer) {
         fclose($fp);
     }
 
-    $whatsappService = new \App\Services\WhatsAppProxyService();
-    $message = "رمز التحقق لتطبيق مُصادَق:\n*{$otp}*\n\nصالح لمدة 5 دقائق.";
-    $result = $whatsappService->sendMessage($phone, $message);
+    $result = \App\Services\OtpSender::sendOtp($phone, $otp);
 
     if (!$result['success']) {
-        error_log("ERROR: Failed to send OTP WhatsApp to phone: {$phone}");
+        // Log why it failed, not just that it did - the proxy returns the
+        // transport error and the bot's own response body, and without them
+        // a failure here is undiagnosable from the logs alone.
+        error_log(sprintf(
+            'ERROR: Failed to send OTP to phone: %s | provider=%s | url=%s | curl_error=%s | response=%s',
+            $phone,
+            $result['provider'] ?? 'n/a',
+            $result['url'] ?? 'n/a',
+            $result['error'] ?? 'none',
+            substr((string)($result['raw_response'] ?? ''), 0, 500)
+        ));
         json_error('عذراً، فشل في إرسال رمز التحقق. يرجى المحاولة مرة أخرى.', 500);
     }