from django.contrib.auth.models import User
from django.shortcuts import get_object_or_404
from rest_framework.views import APIView

from api.serializers.event import EventSerializer
from common.build_response import build_response
from web.models import Event, EventComment


class EventCommentView(APIView):
    def post(self, request, event_id):
        try:
            event = get_object_or_404(Event, pk=event_id)
        except Exception:
            return build_response(404, message='Unable to find related event!')

        data = request.POST

        try:
            user = User.objects.filter(email=data.get('created_by')).first()
        except Exception:
            return build_response(500, message="Could not find user!")

        try:
            new_comment = EventComment(
                event=event,
                content=data.get('content'),
                submitted_by=user
            )

            new_comment.save()
        except Exception:
            return build_response(500, message='Unable to create new comment!')

        try:
            event_serializer = EventSerializer(event)
        except Exception:
            return build_response(422)

        return build_response(data=event_serializer.data)

    def put(self, request, event_id, comment_id):
        try:
            event = get_object_or_404(Event, pk=event_id)
        except Exception:
            return build_response(404, message='Unable to find related event!')

        data = request.POST

        try:
            comment = get_object_or_404(EventComment, pk=comment_id)
        except Exception:
            return build_response(404, message='Unable to find comment!')

        try:
            comment.content = data.get('content', comment.content)
            comment.save()
        except Exception:
            return build_response(500, message='Unable to edit comment')

        try:
            event_serializer = EventSerializer(event)
        except Exception:
            return build_response(422)

        return build_response(data=event_serializer.data)

    def delete(request, event_id, comment_id):
        try:
            event = get_object_or_404(Event, pk=event_id)
        except Exception:
            return build_response(404, message='Unable to find related event!')

        try:
            comment = get_object_or_404(EventComment, pk=comment_id)
        except Exception:
            return build_response(404, message='Unable to find comment!')

        try:
            comment.active = False
            comment.save()
        except Exception:
            return build_response(500, message='Unable to delete comment!')

        try:
            event_serializer = EventSerializer(event)
        except Exception:
            return build_response(422)

        return build_response(data=event_serializer.data)