# """
# Tenant middleware for multi-tenancy support.
# """
#
# from django.http import Http404
# from django.shortcuts import get_object_or_404
# from .models import Tenant
#
#
# class TenantMiddleware:
#     """
#     Middleware to handle tenant resolution and context.
#     """
#
#     def __init__(self, get_response):
#         self.get_response = get_response
#
#     def __call__(self, request):
#         # Skip tenant resolution for admin and API endpoints
#         if request.path.startswith('/admin/') or request.path.startswith('/api/'):
#             response = self.get_response(request)
#             return response
#
#         # Get tenant from subdomain or header
#         tenant = self.get_tenant(request)
#
#         if tenant:
#             request.tenant = tenant
#         else:
#             # For development, use the first available tenant
#             try:
#                 request.tenant = Tenant.objects.filter(is_active=True).first()
#             except Tenant.DoesNotExist:
#                 request.tenant = None
#
#         response = self.get_response(request)
#         return response
#
#     def get_tenant(self, request):
#         """
#         Resolve tenant from request.
#         """
#         # Try to get tenant from subdomain
#         host = request.get_host()
#         if '.' in host:
#             subdomain = host.split('.')[0]
#             try:
#                 return Tenant.objects.get(
#                     name__iexact=subdomain,
#                     is_active=True
#                 )
#             except Tenant.DoesNotExist:
#                 pass
#
#         # Try to get tenant from header (for API calls)
#         tenant_id = request.headers.get('X-Tenant-ID')
#         if tenant_id:
#             try:
#                 return Tenant.objects.get(
#                     tenant_id=tenant_id,
#                     is_active=True
#                 )
#             except Tenant.DoesNotExist:
#                 pass
#
#         return None
#