import logging
from rest_framework import generics, views
from rest_framework.authentication import TokenAuthentication, BasicAuthentication
from rest_framework.response import Response
from .serializers import SiteSerializer, ServiceSerializer

LOGGER = logging.getLogger(__name__)


# authentication class for the client api
AUTHENTICATION_CLASSES = (BasicAuthentication, )


class DeploymentsView(generics.RetrieveAPIView):
    authentication_classes = AUTHENTICATION_CLASSES
    serializer_class = SiteSerializer

    def get_object(self):
        return self.request.user.site


# the client has to fetch the configuration (like services etc.) here
class ConfigurationView(generics.ListAPIView):
    authentication_classes = AUTHENTICATION_CLASSES
    serializer_class = ServiceSerializer

    def get_queryset(self):
        site = self.request.user.site
        return site.services.all()


class AckView(views.APIView):
    authentication_classes = AUTHENTICATION_CLASSES

    def delete(self, request, task_id=None):
        # find the corresponding task for this item
        for item in request.user.site.task_items.all():
            if item.task.id == int(task_id):
                item.task.item_finished(request.user.site)
                return Response({'ok': True})

        # this is no critical
        LOGGER.info('%s executed the obsolete task#%s', request.user, task_id)
        return Response({'ok': True})