from management.models.tag import Tag
from management.repositories.gruppo import GruppoRepository
from management.repositories.tag import TagRepository
from management.serializers.gruppo_serializer import GruppoSerializer
from management.serializers.tag_serializer import TagSerializer

from .base import *


class TagAPIView(GenericViewSet):
    authentication_classes = [TokenAuthentication]
    _repository = TagRepository()

    @requires_auth(permission=[os.getenv('GESTORE'), os.getenv('INCARICATO')])
    def get_list(self, request: Request):
        try:
            tags = Tag.objects.all()
            serializer = TagSerializer(tags, many=True)
            data = serializer.data

            return Response(data, status=status.HTTP_200_OK)

        except Exception as e:
            print(e)
            return Response({'detail': 'An error occurred.'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
    

    @requires_auth(permission=[os.getenv('GESTORE'), os.getenv('INCARICATO')])
    def get_items(self, request: Request):
        try:
            args: FilterAndSorting = json.loads(request.body, object_hook=objJsonDecode)   
            filtered_set = self._repository.filtered(args)             
            serializer = TagSerializer(filtered_set, many=True)
            data = serializer.data
            return Response(data, status=status.HTTP_200_OK)

        except Exception as e:
            print(e)
            return Response({'detail': 'An error occurred.'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
        
    @requires_auth(permission=[os.getenv('GESTORE'), os.getenv('INCARICATO')])
    def save_item(self, request: Request):
        try:
            with transaction.atomic():
                dto = request.data.dict() if hasattr(request.data, 'dict') else dict(request.data)    
                status_result, group = self._repository.save(dto)
            
                if not status_result:
                    return Response({'detail': 'An error occurred.'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)

                return Response(group)
        except Exception as e:
            handle_exception(e)