from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import permissions, status
from rest_framework.authentication import SessionAuthentication
from django.core import serializers
from django.utils.translation import gettext as _
from .models import BlockModel, FriendModel


class BlocksView(APIView):
    permission_classes = (permissions.IsAuthenticated,)
    authentication_classes = (SessionAuthentication,)

    def get(self, request):
        blocked_profiles = BlockModel.objects.filter(blocker=request.user.pk)
        response_status: int = status.HTTP_204_NO_CONTENT if blocked_profiles else status.HTTP_204_NO_CONTENT
        return Response(serializers.serialize("json", blocked_profiles), response_status)

    def post(self, request, pk=None):
        if (pk == request.user.pk):
            return Response(_('You can\'t block yourself.'), status.HTTP_400_BAD_REQUEST)

        if (BlockModel.objects.filter(blocker=request.user.pk, blocked=pk)):
            return Response(_('You already blocked this user.'), status=status.HTTP_409_CONFLICT)

        BlockModel(blocker=request.user.pk, blocked=pk).save()

        return Response(status=status.HTTP_201_CREATED)

    def delete(self, request):
        data: dict = request.data
        users_id = request.data.get("users_id", None)

        if (users_id == None):
            return Response({"Error"}, status=status.HTTP_400_BAD_REQUEST)

        if (users_id[0] == None or users_id[1] == None):
            return Response({"Error send blocker/ed None"}, status=status.HTTP_400_BAD_REQUEST)

        block = BlockModel.objects.filter(blocker=users_id[0], blocked=users_id[1])

        if (block.count() > 1):
            return Response("Not normal >:[", status=status.HTTP_500_INTERNAL_SERVER_ERROR)
        
        if (not block):
            return Response("Don't exist", status=status.HTTP_404_NOT_FOUND)

        block.delete()
        return Response("Deleted", status=status.HTTP_200_OK)

class FriendsView(APIView):
    permission_classes = (permissions.IsAuthenticated,)
    authentication_classes = (SessionAuthentication,)

    def get(self, request):
        friends = FriendModel().getFriends(request.user.pk)
        if (friends):
            return Response({"friends": friends, "user_id": request.user.pk}, status=status.HTTP_200_OK)
        return Response({}, status=status.HTTP_204_NO_CONTENT)