import django_filters
from .models import Device
from django.db.models import Q


class DeviceFilter(django_filters.FilterSet):
    name = django_filters.CharFilter(lookup_expr="icontains")
    mac = django_filters.CharFilter(lookup_expr="icontains")
    vendor = django_filters.CharFilter(lookup_expr="icontains")
    user = django_filters.CharFilter(method="filter_user_search")

    def filter_user_search(self, queryset, name, value):
        """
        Search across multiple user fields: first_name, last_name, id_card, mobile
        """
        return queryset.filter(
            Q(user__first_name__icontains=value)
            | Q(user__last_name__icontains=value)
            | Q(user__id_card__icontains=value)
            | Q(user__mobile__icontains=value)
        )

    class Meta:
        model = Device
        fields = "__all__"