import logging

from notes.models import Note, Session

from rest_framework import viewsets

from ..permissions import NotePermission, SessionPermission

from ..serializers.core import (DetailNoteSerializer, DetailSessionSerializer,

                                ListNoteSerializer, ListSessionSerializer)

logger = logging.getLogger(__name__)

class SessionViewSet(viewsets.ModelViewSet):

    """

    API endpoint that allow sessions ro be viewed or edited

    """

    serializer_class = ListSessionSerializer

    lookup_field = 'ext_id'

    serializers = {

        'list': ListSessionSerializer,

        'retrieve':  DetailSessionSerializer,

    }

    permission_classes = (SessionPermission,)

    def get_serializer_class(self):

        return self.serializers.get(self.action, ListSessionSerializer)

    def get_queryset(self):

        return Session.objects.filter(owner=self.request.user)

class NoteViewSet(viewsets.ModelViewSet):

    serializers = {

        'list': ListNoteSerializer,

        'retrieve': DetailNoteSerializer,

        'create': DetailNoteSerializer,

        'update': DetailNoteSerializer,

    }

    lookup_field = 'ext_id'

    permission_classes = (NotePermission,)

    def get_serializer_class(self):

        return self.serializers.get(self.action, ListNoteSerializer)

    def get_queryset(self):

        return Note.objects.filter(

            session__ext_id=self.kwargs['session_ext_id'],

            session__owner=self.request.user)