# import logging
# from datetime import datetime

# import stripe
# from django.conf import settings
# from django.http import HttpResponse, JsonResponse
# from django.views.decorators.csrf import csrf_exempt
# from rest_framework.parsers import JSONParser
# from rest_framework.views import APIView

# from core.models import Plan, Session, User

# logger = logging.getLogger(__name__)


# class Callback(APIView):
#     parser_classes = [JSONParser]

#     # TODO: make async
#     @csrf_exempt
#     def post(self, request):
#         payload = request.body
#         sig_header = request.META["HTTP_STRIPE_SIGNATURE"]
#         try:
#             stripe.Webhook.construct_event(
#                 payload, sig_header, settings.STRIPE_ENDPOINT_SECRET
#             )
#         except ValueError:
#             # Invalid payload
#             logger.error("Invalid payload")
#             return HttpResponse(status=400)
#         except stripe.error.SignatureVerificationError:
#             # Invalid signature
#             logger.error("Invalid signature")
#             return HttpResponse(status=400)

#         if request.data is None:
#             return JsonResponse({"success": False}, status=500)
#         if "type" in request.data.keys():
#             rtype = request.data["type"]
#             if rtype == "checkout.session.completed":
#                 session = request.data["data"]["object"]["id"]
#                 subscription_id = request.data["data"]["object"]["subscription"]
#                 session_map = Session.objects.get(session=session)
#                 if not session_map:
#                     return JsonResponse({"success": False}, status=500)
#                 user = session_map.user
#                 session_map.subscription_id = subscription_id
#                 session_map.save()

#             if rtype == "customer.subscription.updated":
#                 stripe_id = request.data["data"]["object"]["customer"]
#                 if not stripe_id:
#                     logging.error("No stripe id")
#                     return JsonResponse({"success": False}, status=500)
#                 user = User.objects.get(stripe_id=stripe_id)
#                 # ssubscription_active
#                 subscription_id = request.data["data"]["object"]["id"]
#                 sessions = Session.objects.filter(user=user)
#                 session = None
#                 for session_iter in sessions:
#                     if session_iter.subscription_id == subscription_id:
#                         session = session_iter
#                 if not session:
#                     logging.error(
#                         f"No session found for subscription id {subscription_id}"
#                     )
#                     return JsonResponse({"success": False}, status=500)
#                 # query Session objects
#                 # iterate and check against product_id
#                 session.request = request.data["request"]["id"]
#                 product_id = request.data["data"]["object"]["plan"]["id"]
#                 plan = Plan.objects.get(product_id=product_id)
#                 if not plan:
#                     logging.error(f"Plan not found: {product_id}")
#                     return JsonResponse({"success": False}, status=500)
#                 session.plan = plan
#                 session.save()

#             elif rtype == "payment_intent.succeeded":
#                 customer = request.data["data"]["object"]["customer"]
#                 user = User.objects.get(stripe_id=customer)
#                 if not user:
#                     logging.error(f"No user found for customer: {customer}")
#                     return JsonResponse({"success": False}, status=500)
#                 session = Session.objects.get(request=request.data["request"]["id"])

#                 user.plans.add(session.plan)
#                 user.last_payment = datetime.utcnow()
#                 user.save()

#             elif rtype == "customer.subscription.deleted":
#                 customer = request.data["data"]["object"]["customer"]
#                 user = User.objects.get(stripe_id=customer)
#                 if not user:
#                     logging.error(f"No user found for customer {customer}")
#                     return JsonResponse({"success": False}, status=500)
#                 product_id = request.data["data"]["object"]["plan"]["id"]
#                 plan = Plan.objects.get(product_id=product_id)
#                 user.plans.remove(plan)
#                 user.save()
#         else:
#             return JsonResponse({"success": False}, status=500)
#         return JsonResponse({"success": True})