Enhance promo code management and user statistics features

- Introduced a unified promo code management system, allowing admins to view and manage both active and inactive promo codes with detailed information.
- Updated the promo code detail view to include status indicators and management options for editing, toggling status, and viewing activation history.
- Enhanced user statistics display by restructuring the information layout and adding new labels for clarity.
- Improved localization files to support new messages and labels related to promo code management and user statistics.
- Implemented error handling for suspicious promo code attempts, integrating a notification system for better admin awareness.

bot/handlers/admin/promo_codes.py

@@ -465,10 +465,12 @@ async def view_promo_codes_handler(callback: types.CallbackQuery,
     await callback.answer()
 
 
-@router.callback_query(F.data == "admin_action:manage_promos")
-async def manage_promo_codes_handler(callback: types.CallbackQuery,
-                                     i18n_data: dict, settings: Settings,
-                                     session: AsyncSession):
+# New unified promo management system
+@router.callback_query(F.data == "admin_action:promo_management")
+async def promo_management_handler(callback: types.CallbackQuery,
+                                 i18n_data: dict, settings: Settings,
+                                 session: AsyncSession):
+    """Show list of all promo codes for management"""
     current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
     i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
     if not i18n or not callback.message:
@@ -476,36 +478,168 @@ async def manage_promo_codes_handler(callback: types.CallbackQuery,
         return
     _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
 
-    promo_models = await promo_code_dal.get_all_active_promo_codes(session,
-                                                                   limit=20,
-                                                                   offset=0)
+    # Get ALL promo codes (including inactive)
+    promo_models = await promo_code_dal.get_all_promo_codes_with_details(session, limit=50, offset=0)
     if not promo_models:
         await callback.message.edit_text(
-            _("admin_no_active_promos"),
+            _("admin_promo_management_empty", default="📭 Промокоды отсутствуют"),
             reply_markup=get_back_to_admin_panel_keyboard(current_lang, i18n))
         await callback.answer()
         return
 
     kb = InlineKeyboardBuilder()
     for promo in promo_models:
+        # Show promo code with status indicator
+        status_emoji = "✅" if promo.is_active else "🚫"
+        if promo.valid_until and promo.valid_until < datetime.now(timezone.utc):
+            status_emoji = "⏰"  # Expired
+        elif promo.current_activations >= promo.max_activations:
+            status_emoji = "🔄"  # Used up
+            
+        button_text = f"{status_emoji} {promo.code} ({promo.current_activations}/{promo.max_activations})"
         kb.row(
             InlineKeyboardButton(
-                text=promo.code,
-                callback_data=f"promo_edit:{promo.promo_code_id}"),
-            InlineKeyboardButton(
-                text=_("admin_promo_delete_button"),
-                callback_data=f"promo_delete:{promo.promo_code_id}"),
+                text=button_text,
+                callback_data=f"promo_detail:{promo.promo_code_id}")
         )
+    
     kb.row(
-        InlineKeyboardButton(text=_("back_to_admin_panel_button"),
+        InlineKeyboardButton(text=_("back_to_admin_panel_button", default="⬅️ Назад"),
                              callback_data="admin_action:main"))
 
     await callback.message.edit_text(
-        _("admin_manage_promos_title"),
-        reply_markup=kb.as_markup())
+        _("admin_promo_management_title", default="🎟 <b>Управление промокодами</b>\n\nВыберите промокод для детального просмотра:"),
+        reply_markup=kb.as_markup(),
+        parse_mode="HTML")
     await callback.answer()
 
 
+@router.callback_query(F.data.startswith("promo_detail:"))
+async def promo_detail_handler(callback: types.CallbackQuery,
+                             i18n_data: dict, settings: Settings,
+                             session: AsyncSession):
+    """Show detailed promo code information with management options"""
+    current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
+    i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
+    if not i18n or not callback.message:
+        await callback.answer("Error displaying promo details.", show_alert=True)
+        return
+    _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
+
+    promo_id = int(callback.data.split(":")[1])
+    promo = await promo_code_dal.get_promo_code_by_id(session, promo_id)
+    if not promo:
+        await callback.answer(_("admin_promo_not_found", default="Промокод не найден"), show_alert=True)
+        return
+
+    # Determine status
+    status = _("admin_promo_status_active", default="✅ Активен")
+    if not promo.is_active:
+        status = _("admin_promo_status_inactive", default="🚫 Неактивен")
+    elif promo.valid_until and promo.valid_until < datetime.now(timezone.utc):
+        status = _("admin_promo_status_expired", default="⏰ Истек")
+    elif promo.current_activations >= promo.max_activations:
+        status = _("admin_promo_status_used_up", default="🔄 Исчерпан")
+
+    # Format validity
+    validity = _("admin_promo_valid_indefinitely", default="Неограниченно")
+    if promo.valid_until:
+        validity = promo.valid_until.strftime('%Y-%m-%d %H:%M')
+
+    # Format created date
+    created_date = promo.created_at.strftime('%Y-%m-%d %H:%M') if promo.created_at else "N/A"
+    creator = f"Admin {promo.created_by_admin_id}" if promo.created_by_admin_id else "N/A"
+
+    # Build card text
+    card_text = _(
+        "admin_promo_card_title",
+        default="🎟 <b>Промокод: {code}</b>",
+        code=promo.code
+    ) + "\n\n"
+    
+    card_text += _(
+        "admin_promo_card_bonus_days",
+        default="🎁 Бонусные дни: <b>{days}</b>",
+        days=promo.bonus_days
+    ) + "\n"
+    
+    card_text += _(
+        "admin_promo_card_activations", 
+        default="🔢 Активации: <b>{current}/{max}</b>",
+        current=promo.current_activations,
+        max=promo.max_activations
+    ) + "\n"
+    
+    card_text += _(
+        "admin_promo_card_validity",
+        default="⏰ Действует до: <b>{validity}</b>",
+        validity=validity
+    ) + "\n"
+    
+    card_text += _(
+        "admin_promo_card_status",
+        default="📊 Статус: <b>{status}</b>",
+        status=status
+    ) + "\n"
+    
+    card_text += _(
+        "admin_promo_card_created",
+        default="📅 Создан: <b>{created}</b>",
+        created=created_date
+    ) + "\n"
+    
+    card_text += _(
+        "admin_promo_card_created_by",
+        default="👤 Создал: <b>{creator}</b>",
+        creator=creator
+    )
+
+    # Build keyboard
+    kb = InlineKeyboardBuilder()
+    
+    # Row 1: Edit and Toggle status
+    kb.row(
+        InlineKeyboardButton(
+            text=_("admin_promo_edit_button", default="✏️ Редактировать"),
+            callback_data=f"promo_edit:{promo_id}"),
+        InlineKeyboardButton(
+            text=_("admin_promo_toggle_status_button", default="🔄 Вкл/Выкл"),
+            callback_data=f"promo_toggle:{promo_id}")
+    )
+    
+    # Row 2: View activations and Delete
+    kb.row(
+        InlineKeyboardButton(
+            text=_("admin_promo_view_activations_button", default="📋 Активации"),
+            callback_data=f"promo_activations:{promo_id}"),
+        InlineKeyboardButton(
+            text=_("admin_promo_delete_button", default="🗑 Удалить"),
+            callback_data=f"promo_delete:{promo_id}")
+    )
+    
+    # Row 3: Back to list
+    kb.row(
+        InlineKeyboardButton(
+            text=_("admin_promo_back_to_list_button", default="⬅️ К списку"),
+            callback_data="admin_action:promo_management")
+    )
+
+    await callback.message.edit_text(
+        card_text,
+        reply_markup=kb.as_markup(),
+        parse_mode="HTML")
+    await callback.answer()
+
+
+# Legacy manage_promo_codes_handler - keeping for compatibility
+@router.callback_query(F.data == "admin_action:manage_promos")
+async def manage_promo_codes_handler(callback: types.CallbackQuery,
+                                     i18n_data: dict, settings: Settings,
+                                     session: AsyncSession):
+    # Redirect to new unified handler
+    await promo_management_handler(callback, i18n_data, settings, session)
+
+
 @router.callback_query(F.data.startswith("promo_edit:"))
 async def promo_edit_select_handler(callback: types.CallbackQuery, state: FSMContext,
                                     i18n_data: dict, settings: Settings,

bot/handlers/admin/statistics.py

@@ -37,27 +37,97 @@ async def show_statistics_handler(callback: types.CallbackQuery,
         f"\n<b>👥 {_('admin_enhanced_users_stats_header', default='Пользователи')}</b>"
     )
     stats_text_parts.append(
-        f"📊 Всего: <b>{user_stats['total_users']}</b>"
+        f"📊 {_('admin_user_stats_total_label', default='Всего')}: <b>{user_stats['total_users']}</b>"
+    )
+    # Removed: Active today moved to panel stats
+    stats_text_parts.append(
+        f"💳 {_('admin_user_stats_paid_subs_label', default='С платной подпиской')}: <b>{user_stats['paid_subscriptions']}</b>"
     )
     stats_text_parts.append(
-        f"📈 Активных сегодня: <b>{user_stats['active_today']}</b>"
+        f"🆓 {_('admin_user_stats_trial_label', default='На пробном периоде')}: <b>{user_stats['trial_users']}</b>"
     )
     stats_text_parts.append(
-        f"💳 С платной подпиской: <b>{user_stats['paid_subscriptions']}</b>"
+        f"😴 {_('admin_user_stats_inactive_label', default='Неактивных')}: <b>{user_stats['inactive_users']}</b>"
     )
     stats_text_parts.append(
-        f"🆓 На пробном периоде: <b>{user_stats['trial_users']}</b>"
+        f"🚫 {_('admin_user_stats_banned_label', default='Заблокированных')}: <b>{user_stats['banned_users']}</b>"
     )
     stats_text_parts.append(
-        f"😴 Неактивных: <b>{user_stats['inactive_users']}</b>"
-    )
-    stats_text_parts.append(
-        f"🚫 Заблокированных: <b>{user_stats['banned_users']}</b>"
-    )
-    stats_text_parts.append(
-        f"🎁 Привлечено по реферальной программе: <b>{user_stats['referral_users']}</b>"
+        f"🎁 {_('admin_user_stats_referral_label', default='Привлечено по реферальной программе')}: <b>{user_stats['referral_users']}</b>"
     )
     
+    # Panel Statistics - moved above financial
+    stats_text_parts.append(f"\n<b>🖥 {_('admin_panel_stats_header', default='Статистика панели')}</b>")
+    
+    try:
+        async with PanelApiService(settings) as panel_service:
+            # Get system stats
+            system_stats = await panel_service.get_system_stats()
+            bandwidth_stats = await panel_service.get_bandwidth_stats()
+            nodes_stats = await panel_service.get_nodes_statistics()
+            
+            logging.info(f"Panel stats response: system={system_stats}, bandwidth={bandwidth_stats}, nodes={nodes_stats}")
+            
+            if system_stats:
+                users = system_stats.get('users', {})
+                active_users = users.get('active', 0)
+                disabled_users = users.get('disabled', 0) 
+                expired_users = users.get('expired', 0)
+                limited_users = users.get('limited', 0)
+                total_users = users.get('total', 0)
+                
+                stats_text_parts.append(f"🟢 {_('admin_panel_online_label', default='Онлайн')}: <b>{active_users}</b>")
+                stats_text_parts.append(f"🔴 {_('admin_panel_offline_label', default='Офлайн')}: <b>{disabled_users}</b>")
+                stats_text_parts.append(f"⏰ {_('admin_panel_expired_label', default='Истекшие')}: <b>{expired_users}</b>")
+                stats_text_parts.append(f"⚠️ {_('admin_panel_limited_label', default='Ограниченные')}: <b>{limited_users}</b>")
+                stats_text_parts.append(f"👥 {_('admin_panel_total_users_label', default='Всего пользователей')}: <b>{total_users}</b>")
+                
+                # System resources
+                cpu = system_stats.get('cpu', {})
+                memory = system_stats.get('memory', {})
+                if cpu:
+                    cpu_usage = cpu.get('usage', 0)
+                    stats_text_parts.append(f"🔄 {_('admin_panel_cpu_usage_label', default='Загрузка CPU')}: <b>{cpu_usage:.1f}%</b>")
+                if memory:
+                    memory_usage = memory.get('usage', 0)
+                    stats_text_parts.append(f"💾 {_('admin_panel_memory_usage_label', default='Использование RAM')}: <b>{memory_usage:.1f}%</b>")
+            else:
+                stats_text_parts.append(f"⚠️ {_('admin_panel_system_stats_error', default='Ошибка получения системной статистики')}")
+            
+            # Bandwidth stats
+            if bandwidth_stats:
+                today_traffic = bandwidth_stats.get('bandwidthToday', {})
+                week_traffic = bandwidth_stats.get('bandwidthLastSevenDays', {})
+                month_traffic = bandwidth_stats.get('bandwidthLastThirtyDays', {})
+                
+                if today_traffic:
+                    today_total = today_traffic.get('total', '0 B')
+                    stats_text_parts.append(f"📊 {_('admin_panel_traffic_today_label', default='Трафик сегодня')}: <b>{today_total}</b>")
+                
+                if week_traffic:
+                    week_total = week_traffic.get('total', '0 B')
+                    stats_text_parts.append(f"📊 {_('admin_panel_traffic_week_label', default='Трафик за неделю')}: <b>{week_total}</b>")
+                    
+                if month_traffic:
+                    month_total = month_traffic.get('total', '0 B')
+                    stats_text_parts.append(f"📊 {_('admin_panel_traffic_month_label', default='Трафик за месяц')}: <b>{month_total}</b>")
+            else:
+                stats_text_parts.append(f"⚠️ {_('admin_panel_bandwidth_stats_error', default='Ошибка получения статистики трафика')}")
+            
+            # Nodes stats
+            if nodes_stats:
+                last_seven_days = nodes_stats.get('lastSevenDays', [])
+                active_nodes_count = len([node for node in last_seven_days if node.get('status') == 'active'])
+                total_nodes_count = len(last_seven_days)
+                stats_text_parts.append(f"🔗 {_('admin_panel_nodes_label', default='Активных нод')}: <b>{active_nodes_count}/{total_nodes_count}</b>")
+            else:
+                stats_text_parts.append(f"⚠️ {_('admin_panel_nodes_stats_error', default='Ошибка получения статистики нод')}")
+                
+    except Exception as e:
+        logging.error(f"Failed to fetch panel statistics: {e}", exc_info=True)
+        stats_text_parts.append(f"❌ {_('admin_panel_stats_fetch_error', default='Ошибка получения данных с панели')}")
+        stats_text_parts.append(f"⚠️ {_('admin_panel_stats_error_details', default='Детали')}: {str(e)}")
+
     # Financial statistics
     financial_stats = await payment_dal.get_financial_statistics(session)
     
@@ -65,16 +135,16 @@ async def show_statistics_handler(callback: types.CallbackQuery,
         f"\n<b>💰 {_('admin_financial_stats_header', default='Финансовая статистика')}</b>"
     )
     stats_text_parts.append(
-        f"📅 За сегодня: <b>{financial_stats['today_revenue']:.2f} RUB</b> ({financial_stats['today_payments_count']} платежей)"
+        f"📅 {_('admin_financial_today_label', default='За сегодня')}: <b>{financial_stats['today_revenue']:.2f} RUB</b> ({financial_stats['today_payments_count']} {_('admin_financial_payments_label', default='платежей')})"
     )
     stats_text_parts.append(
-        f"📅 За неделю: <b>{financial_stats['week_revenue']:.2f} RUB</b>"
+        f"📅 {_('admin_financial_week_label', default='За неделю')}: <b>{financial_stats['week_revenue']:.2f} RUB</b>"
     )
     stats_text_parts.append(
-        f"📅 За месяц: <b>{financial_stats['month_revenue']:.2f} RUB</b>"
+        f"📅 {_('admin_financial_month_label', default='За месяц')}: <b>{financial_stats['month_revenue']:.2f} RUB</b>"
     )
     stats_text_parts.append(
-        f"🏆 За все время: <b>{financial_stats['all_time_revenue']:.2f} RUB</b>"
+        f"🏆 {_('admin_financial_all_time_label', default='За все время')}: <b>{financial_stats['all_time_revenue']:.2f} RUB</b>"
     )
 
     last_payments_models: List[