from django.shortcuts import render
from django.views.generic import ListView, DetailView
from .models import Product
from django.contrib.auth import get_user_model
from django.shortcuts import get_object_or_404
from django.http import Http404
from carts.models import Cart

User = get_user_model()

class ProductListView(ListView):
    queryset = Product.objects.all()
    template_name = "products/list.html"

    # def get_context_data(self, *args, **kwargs):
    #     context = super().get_context_data(*args, **kwargs)
    #     return context


class ProductDetailView(DetailView):
    queryset = Product.objects.all()
    template_name = "products/details.html"

    def get_context_data(self, *args, **kwargs):
        context = super().get_context_data(*args, **kwargs)

        cart_obj, new_cart = Cart.objects.new_or_get(self.request)
        context["cart"] = cart_obj
        return context

    def get_object(self, *args, **kwargs):
        # request = self.request
        slug = self.kwargs.get('slug')
        inst = get_object_or_404(Product, slug=slug)
        # if inst is None:
        #     raise Http404("Product doesn't exist")
        # return inst
        # try:
        #     inst = Product.objects.get(slug=slug)
        #
        # except ObjectDoesNotExist:
        #     raise Http404("not found...")
        # except Product.MultipleObjectsReturned:
        #     inst = Product.objects.filter(slug=slug)[0]
        return inst