from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.permissions import IsAuthenticated
from rest_framework import status
from apps.core.utils.cloudflare import get_direct_upload_url
from django.core.exceptions import ImproperlyConfigured
import requests
import logging

logger = logging.getLogger(__name__)

class GenerateUploadURLView(APIView):
    permission_classes = [IsAuthenticated]

    def post(self, request):
        try:
            # Pass user_id for metadata if needed
            result = get_direct_upload_url(user_id=str(request.user.id))
            return Response(result, status=status.HTTP_200_OK)
        except ImproperlyConfigured as e:
            logger.error(f"Configuration Error: {e}")
            return Response(
                {"detail": "Server configuration error."},
                status=status.HTTP_500_INTERNAL_SERVER_ERROR
            )
        except requests.RequestException as e:
            logger.error(f"Cloudflare API Error: {e}")
            return Response(
                {"detail": "Failed to generate upload URL."},
                status=status.HTTP_502_BAD_GATEWAY
            )
        except Exception as e:
            logger.exception("Unexpected error generating upload URL")
            return Response(
                {"detail": "An unexpected error occurred."},
                status=status.HTTP_500_INTERNAL_SERVER_ERROR
            )