from rest_framework import generics , status
from rest_framework.decorators import action
from rest_framework.permissions import IsAuthenticated, IsAuthenticatedOrReadOnly
from rest_framework.response import Response 

from system.comments.models import Comment
from system.comments.serializers import CommentSerializer


"""class CommentView(generics.ListCreateAPIView):
    queryset = Comment.objects.all()
    serializer_class = CommentSerializer
    permission_classes=[IsAuthenticated,]

    def get_permissions(self):
        if self.request.method == 'GET':
            return [IsAuthenticatedOrReadOnly()]
        return super().get_permissions()


    def post(self, request, slug, *args, **kwargs):
        try:

            article = Article.objects.get(slug=slug)
            comment_data = request.data.get('comment')

            serializer_context = self.get_serializer_context()
            serializer_context['article'] = article

            serializer = self.get_serializer(data=comment_data, context=serializer_context)
            serializer.is_valid(raise_exception=True)
            self.perform_create(serializer)

            return Response({"comment": serializer.data}, status=status.HTTP_200_OK)

        except Exception:
            return Response({"errors": {
                "body": [
                    "Bad Request"
                ]
            }}, status=status.HTTP_404_NOT_FOUND)



    def list(self, request, slug, *args, **kwargs):
        try:

            article = Article.objects.get(slug=slug)
            comments = Comment.objects.filter(article=article).order_by('-created')

            serializer = self.get_serializer(comments, many=True)

            response = {
                'comments': serializer.data,
            }

            return Response(response)

        except Exception:
            return Response({"errors": {
                "body": [
                    "Bad Request"
                ]
            }}, status=status.HTTP_404_NOT_FOUND)


class DeleteCommentView(generics.DestroyAPIView):

    def destroy(self, request, slug, id, *args, **kwargs):
        try:

            Article.objects.get(slug=slug)
            comment = Comment.objects.get(id=id)
            self.perform_destroy(comment)
            return Response(status=status.HTTP_204_NO_CONTENT)

        except Exception:
            return Response({"errors": {
                    "body": [
                        "Bad Request"
                    ]
                }}, status=status.HTTP_404_NOT_FOUND)

"""