from rest_framework import generics
from ..models import BookReference
from ..serializers.reference_v2 import BookReferenceV2DetailSerializer
from drf_yasg.utils import swagger_auto_schema

class BookReferenceV2DetailView(generics.RetrieveAPIView):
    """
    V2 View to retrieve Book Reference details, formatted with tabs
    (Information, Excerpts, Volumes) and supporting multiple editions per book.
    """
    queryset = BookReference.objects.all()
    serializer_class = BookReferenceV2DetailSerializer
    lookup_field = 'slug'

    def get_queryset(self):
        return (
            BookReference.objects
            .filter(slug=self.kwargs.get('slug'))
            .prefetch_related(
                'authors',
                'editions__volumes',
                'volumes',
                'hadis_references__hadis'
            )
        )

    @swagger_auto_schema(
        operation_summary="Get V2 Book Reference Detail",
        operation_description="Retrieve structured metadata for a book reference, including its editions, related hadiths (excerpts), and volumes.",
        tags=['Dobodbi - Hadis (V2)'],
        responses={200: BookReferenceV2DetailSerializer}
    )
    def get(self, request, *args, **kwargs):
        return super().get(request, *args, **kwargs)

from utils.pagination import NoPagination
from ..serializers.reference_v2 import BookReferenceV2SyncSerializer

class BookReferenceV2SyncView(generics.ListAPIView):
    """
    API view to sync all V2 book reference data for offline mode
    Returns all book references with editions, volumes, and related hadises
    """
    serializer_class = BookReferenceV2SyncSerializer
    pagination_class = NoPagination

    @swagger_auto_schema(
        operation_summary="Sync V2 Book References",
        operation_description="Returns all book references for offline sync.",
        tags=['Dobodbi - Hadis (V2)'],
        responses={200: BookReferenceV2SyncSerializer(many=True)}
    )
    def get(self, request, *args, **kwargs):
        return super().get(request, *args, **kwargs)

    def get_queryset(self):
        return (
            BookReference.objects
            .select_related()
            .prefetch_related(
                'authors',
                'attributes',
                'images',
                'editions__volumes',
                'volumes',
                'hadis_references__hadis'
            )
            .order_by('id')
        )