from django_filters.rest_framework import DjangoFilterBackend
from rest_framework import viewsets
from rest_framework.filters import OrderingFilter, SearchFilter
from rest_framework.permissions import IsAuthenticated

from apps.books.models import Book
from apps.books.serializers import BookListSerializer, BookSerializer


class BookViewSet(viewsets.ModelViewSet):
    """CRUD for books."""

    queryset = Book.objects.all()
    permission_classes = [IsAuthenticated]
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_fields = ["author"]
    search_fields = ["title", "author"]
    ordering_fields = ["title", "author", "created_at"]
    ordering = ["title"]

    def get_serializer_class(self):
        if self.action == "list":
            return BookListSerializer
        return BookSerializer