views.py

# Create your views here.
from rest_framework import generics, permissions, filters  # type: ignore
from rest_framework.response import Response  # type: ignore
from rest_framework.decorators import api_view  # type: ignore # Added import
from .models import Product, Cart, CartItem
from .serializers import ProductSerializer, CartSerializer, CartItemSerializer  # type: ignore
from django_filters.rest_framework import DjangoFilterBackend  # type: ignore

class ProductListView(generics.ListAPIView):
    queryset = Product.objects.all()
    serializer_class = ProductSerializer
    filter_backends = [DjangoFilterBackend, filters.SearchFilter]
    filterset_fields = ['category']
    search_fields = ['name', 'description']

class ProductDetailView(generics.RetrieveAPIView):
    queryset = Product.objects.all()
    serializer_class = ProductSerializer

class CartView(generics.RetrieveAPIView):
    serializer_class = CartSerializer
    permission_classes = [permissions.IsAuthenticated]

    def get_object(self):
        cart, created = Cart.objects.get_or_create(user=self.request.user)
        return cart

class AddToCartView(generics.CreateAPIView):
    serializer_class = CartItemSerializer
    permission_classes = [permissions.IsAuthenticated]

    def perform_create(self, serializer):
        cart, created = Cart.objects.get_or_create(user=self.request.user)
        serializer.save(cart=cart)

# New function-based view
@api_view(['GET'])
def product_list(request):
    return Response({"message": "This will be your product list API"})