from django.http.response import HttpResponse
from django.shortcuts import get_object_or_404
from django.views.decorators.csrf import csrf_exempt

from shop.models import Order
from shop.utils import add_payment_to_order, validate_payment_for_order


@csrf_exempt
def webhook(request, uuid):
    order = get_object_or_404(Order, uuid=uuid)

    try:
        amount_paid = validate_payment_for_order(request, order)
        add_payment_to_order(order, amount_paid)

        return HttpResponse(status=200)
    except Exception:
        order.status = Order.Statuses.STATUS_ERROR
        order.save()

        return HttpResponse(status=409)