--stats i dry run dla wysylki maili

app.py

@@ -424,6 +424,8 @@ def main():
     parser.add_argument('--bad-name', action='store_true',
         help='Oznacz użytkowników z losowymi lub bezużytecznymi nazwami jako kandydatów do usunięcia')
 
+    parser.add_argument('--stats', action='store_true',
+        help='Wyświetl statystyki: aktywność, rok rejestracji, domeny')
 
     args = parser.parse_args()
 
@@ -523,6 +525,48 @@ def main():
 
     final_candidates = [u for u in final_candidates if (u.get('points') or 0) == 0]
 
+    if args.stats:
+        from collections import Counter
+
+        def bucket_days(days):
+            if days < 365: return "<1 rok"
+            if days < 730: return "1–2 lata"
+            if days < 1095: return "2–3 lata"
+            return "3+ lata"
+
+        access_buckets = Counter()
+        created_years = Counter()
+        email_domains = Counter()
+
+        for u in users:
+            last = u.get("access") or 0
+            days_inactive = (now_ts - last) / 86400
+            access_buckets[bucket_days(days_inactive)] += 1
+
+            if u.get("created"):
+                y = datetime.fromtimestamp(u["created"]).year
+                created_years[y] += 1
+
+            try:
+                domain = u["mail"].split("@")[1].lower()
+                email_domains[domain] += 1
+            except:
+                pass
+
+        print("\n📊 Statystyki:")
+        print("- Rozkład nieaktywności:")
+        for k, v in sorted(access_buckets.items()):
+            print(f"  {k}: {v}")
+
+        print("- Rok rejestracji:")
+        for k in sorted(created_years):
+            print(f"  {k}: {created_years[k]}")
+
+        print("- Top domeny:")
+        for dom, cnt in email_domains.most_common(10):
+            print(f"  {dom}: {cnt}")
+
+
     if args.report_domains:
         domain_report(final_candidates)
 
@@ -545,10 +589,11 @@ def main():
 
     if args.send_mails:
         send_email_batch(
-            [u for u in final_candidates if u['inactive']],  # Tylko nieaktywni
-            smtp_config, 
-            args.mails_per_pack, 
-            args.time_per_pack
+            [u for u in final_candidates if u['inactive']],
+            smtp_config,
+            args.mails_per_pack,
+            args.time_per_pack,
+            dry_run=args.dry_run
         )
 
     print("\n📋 Parametry filtrowania:")