fix fix fi x fix

backend/igny8_core/business/billing/services/email_service.py

@@ -1055,6 +1055,125 @@ Current Balance: {current_credits} credits
 To avoid service interruption, please top up your credits:
 {context['topup_url']}
 
+Thank you,
+The IGNY8 Team
+                """.strip(),
+            )
+
+    @staticmethod
+    def send_invoice_email(invoice, is_reminder=False):
+        """
+        Send invoice email to the account owner.
+        Used for manual payment methods (bank transfer, local wallet, manual).
+        
+        Args:
+            invoice: Invoice model instance
+            is_reminder: If True, sends as a reminder email
+        """
+        service = get_email_service()
+        frontend_url = BillingEmailService._get_frontend_url()
+
+        account = invoice.account
+        
+        subject_prefix = 'Reminder: ' if is_reminder else ''
+        
+        context = {
+            'account_name': account.name,
+            'invoice_number': invoice.invoice_number or f'INV-{invoice.id}',
+            'invoice_date': invoice.created_at.strftime('%Y-%m-%d'),
+            'due_date': invoice.due_date.strftime('%Y-%m-%d') if invoice.due_date else 'N/A',
+            'total_amount': invoice.total_amount,
+            'currency': invoice.currency or 'USD',
+            'items': invoice.items or [],
+            'payment_instructions': invoice.metadata.get('payment_instructions', ''),
+            'is_reminder': is_reminder,
+            'frontend_url': frontend_url,
+            'invoice_url': f'{frontend_url}/billing/invoices/{invoice.id}',
+        }
+
+        subject = f'{subject_prefix}Invoice #{context["invoice_number"]} - Payment Required'
+
+        try:
+            result = service.send_transactional(
+                to=account.billing_email or account.owner.email,
+                subject=subject,
+                template='emails/invoice.html',
+                context=context,
+                tags=['billing', 'invoice', 'reminder' if is_reminder else 'new'],
+            )
+            logger.info(f'Invoice email sent for Invoice {invoice.id} (reminder={is_reminder})')
+            return result
+        except Exception as e:
+            logger.error(f'Failed to send invoice email: {str(e)}')
+            reminder_text = 'This is a reminder that your ' if is_reminder else ''
+            return service.send_transactional(
+                to=account.billing_email or account.owner.email,
+                subject=subject,
+                text=f"""
+Hi {account.name},
+
+{reminder_text}Invoice #{context['invoice_number']} requires your attention.
+
+Invoice Details:
+- Invoice Number: {context['invoice_number']}
+- Date: {context['invoice_date']}
+- Due Date: {context['due_date']}
+- Amount: {context['currency']} {context['total_amount']}
+
+To view and pay your invoice:
+{context['invoice_url']}
+
+{context['payment_instructions']}
+
+If you have any questions, please contact our support team.
+
+Thank you,
+The IGNY8 Team
+                """.strip(),
+            )
+
+    @staticmethod
+    def send_subscription_expired_email(account, subscription):
+        """
+        Send email when subscription expires due to non-payment.
+        """
+        service = get_email_service()
+        frontend_url = BillingEmailService._get_frontend_url()
+
+        context = {
+            'account_name': account.name,
+            'plan_name': subscription.plan.name if subscription.plan else 'N/A',
+            'frontend_url': frontend_url,
+            'billing_url': f'{frontend_url}/account/plans',
+        }
+
+        try:
+            result = service.send_transactional(
+                to=account.billing_email or account.owner.email,
+                subject='Subscription Expired - Action Required',
+                template='emails/subscription_expired.html',
+                context=context,
+                tags=['billing', 'subscription-expired'],
+            )
+            logger.info(f'Subscription expired email sent for account {account.id}')
+            return result
+        except Exception as e:
+            logger.error(f'Failed to send subscription expired email: {str(e)}')
+            return service.send_transactional(
+                to=account.billing_email or account.owner.email,
+                subject='Subscription Expired - Action Required',
+                text=f"""
+Hi {account.name},
+
+Your subscription to the {context['plan_name']} plan has expired due to non-payment.
+
+Your account access may be limited until you renew your subscription.
+
+To reactivate your subscription:
+{context['billing_url']}
+
+If you have any questions or need assistance, please contact our support team.
+
 Thank you,
 The IGNY8 Team
                 """.strip(),