billing accoutn with all the mess here

backend/igny8_core/business/billing/views.py

@@ -385,26 +385,94 @@ class AdminBillingViewSet(viewsets.ViewSet):
         
         from django.db.models import Sum, Count
         from ...auth.models import Account
+        from datetime import datetime, timedelta
+        from django.utils import timezone
         
+        # Date ranges
+        now = timezone.now()
+        this_month_start = now.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
+        last_30_days = now - timedelta(days=30)
+        
+        # Account stats
         total_accounts = Account.objects.count()
+        active_accounts = Account.objects.filter(is_active=True).count()
+        new_accounts_this_month = Account.objects.filter(
+            created_at__gte=this_month_start
+        ).count()
+        
+        # Subscription stats
         active_subscriptions = Account.objects.filter(
             subscriptions__status='active'
         ).distinct().count()
         
+        # Revenue stats
         total_revenue = Payment.objects.filter(
             status='completed',
             amount__gt=0
         ).aggregate(total=Sum('amount'))['total'] or 0
         
+        revenue_this_month = Payment.objects.filter(
+            status='completed',
+            processed_at__gte=this_month_start,
+            amount__gt=0
+        ).aggregate(total=Sum('amount'))['total'] or 0
+        
+        # Credit stats
+        credits_issued = CreditTransaction.objects.filter(
+            transaction_type='purchase',
+            created_at__gte=last_30_days
+        ).aggregate(total=Sum('amount'))['total'] or 0
+        
+        credits_used = abs(CreditTransaction.objects.filter(
+            transaction_type__in=['generate_content', 'keyword_research', 'ai_task'],
+            created_at__gte=last_30_days,
+            amount__lt=0
+        ).aggregate(total=Sum('amount'))['total'] or 0)
+        
+        # Payment/Invoice stats
         pending_approvals = Payment.objects.filter(
             status='pending_approval'
         ).count()
         
+        invoices_pending = Invoice.objects.filter(status='pending').count()
+        invoices_overdue = Invoice.objects.filter(
+            status='pending',
+            due_date__lt=now
+        ).count()
+        
+        # Recent activity
+        recent_payments = Payment.objects.filter(
+            status='completed'
+        ).order_by('-processed_at')[:5]
+        
+        recent_activity = [
+            {
+                'id': pay.id,
+                'type': 'payment',
+                'account_name': pay.account.name,
+                'amount': str(pay.amount),
+                'currency': pay.currency,
+                'timestamp': pay.processed_at.isoformat(),
+                'description': f'Payment received via {pay.payment_method}'
+            }
+            for pay in recent_payments
+        ]
+        
         return Response({
             'total_accounts': total_accounts,
+            'active_accounts': active_accounts,
+            'new_accounts_this_month': new_accounts_this_month,
             'active_subscriptions': active_subscriptions,
             'total_revenue': str(total_revenue),
+            'revenue_this_month': str(revenue_this_month),
+            'credits_issued_30d': credits_issued,
+            'credits_used_30d': credits_used,
             'pending_approvals': pending_approvals,
-            'invoices_pending': Invoice.objects.filter(status='pending').count(),
-            'invoices_paid': Invoice.objects.filter(status='paid').count()
+            'invoices_pending': invoices_pending,
+            'invoices_overdue': invoices_overdue,
+            'recent_activity': recent_activity,
+            'system_health': {
+                'status': 'operational',
+                'last_check': now.isoformat()
+            }
         })