from django.shortcuts import render
from django.views.generic import TemplateView
from shop.filters import ProductFilter
from shop.models import Product, Cart, ProductPrice
from web.mixins import FilteredQuerysetMixin, PaginatedQuerysetMixin
from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
from web.utils import get_or_create_cart


class ListProducts(TemplateView, FilteredQuerysetMixin, PaginatedQuerysetMixin):
    template_name = "web/list_products.html"
    queryset = Product.objects.all().prefetch_related('images', )
    filter_class = ProductFilter

    def get_context_data(self, **kwargs):
        qs = self.get_queryset()
        page = self.get_paginated_queryset(qs)

        return {
            "page": page,
            "has_next_page": page.has_next(),
            "has_previous_page": page.has_previous(),
        }


def cart_dropdown(request, *args, **kwargs):
    cart, created = get_or_create_cart(request)

    response = render(
        request,
        "components/cart/cart_navbar.html",
        context={
            "cart": cart,
        },
    )

    if not request.user.is_authenticated:
        response.set_cookie(ANONYMOUS_CART_ID_COOKIE_NAME, cart.uuid)
    return response


list_products = ListProducts.as_view()