from drf_spectacular.utils import extend_schema
from rest_framework import status
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.views import APIView

from apps.contacts.api.serializers import (
    ContactSubmissionCreateSerializer,
    ContactSubmissionResponseSerializer,
)
from apps.contacts.api.throttles import ContactSubmissionThrottle


def _get_client_ip(request):
    forwarded_for = request.META.get("HTTP_X_FORWARDED_FOR")
    if forwarded_for:
        return forwarded_for.split(",")[0].strip()
    return request.META.get("REMOTE_ADDR")


class ContactSubmissionView(APIView):
    permission_classes = (AllowAny,)
    throttle_classes = (ContactSubmissionThrottle,)
    serializer_class = ContactSubmissionCreateSerializer

    @extend_schema(
        request=ContactSubmissionCreateSerializer,
        responses={201: ContactSubmissionResponseSerializer},
    )
    def post(self, request):
        serializer = self.serializer_class(data=request.data)
        serializer.is_valid(raise_exception=True)
        submission = serializer.save(
            ip_address=_get_client_ip(request),
            user_agent=request.META.get("HTTP_USER_AGENT", ""),
        )
        return Response(
            ContactSubmissionResponseSerializer(submission).data,
            status=status.HTTP_201_CREATED,
        )