from django.db.models import Q
from django.views.generic import ListView

from apps.customers.models import Customer


class CustomerListView(ListView):
    model = Customer
    template_name = 'customers/customer_list.html'
    context_object_name = 'customers'
    paginate_by = 10

    def get_queryset(self):
        queryset = Customer.objects.select_related('owner').all()
        query = self.request.GET.get('q', '').strip()
        if query:
            queryset = queryset.filter(
                Q(full_name__icontains=query)
                | Q(company_name__icontains=query)
                | Q(email__icontains=query)
            )
        return queryset

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['q'] = self.request.GET.get('q', '').strip()
        return context