from django.contrib.auth import get_user_model
from django.views.generic import DetailView, ListView

from backoffice.mixins import BackofficeCRUDMixin, BackofficeHtmxMixin
from shop.models import CustomerAddress, Order

User = get_user_model()

SECTION = 'customers'


class CustomerListView(BackofficeCRUDMixin, BackofficeHtmxMixin, ListView):
    model = User
    permission_required = 'auth.view_user'
    section = SECTION
    paginate_by = 20
    template_name = 'backoffice/generic/list.html'
    fragment_template_name = 'backoffice/generic/_list_fragment.html'

    def get_queryset(self):
        return super().get_queryset().filter(is_staff=False).order_by('email')

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context.update(
            {
                'title': 'Clientes',
                'columns': [('E-mail', 'email'), ('Nombre', 'first_name'), ('Apellidos', 'last_name')],
                'detail_url_name': 'backoffice:customer_detail',
            }
        )
        return context


class CustomerDetailView(BackofficeCRUDMixin, DetailView):
    model = User
    permission_required = 'auth.view_user'
    section = SECTION
    template_name = 'backoffice/customers/customer_detail.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context.update(
            {
                'addresses': CustomerAddress.objects.filter(user=self.object),
                'orders': Order.objects.filter(user=self.object),
            }
        )
        return context

# CRUD pendiente: la edición/borrado de clientes ya se gestiona a través del
# admin de Django (auth.User) — aquí solo se expone consulta.