import imp
from django import forms
from django.conf import settings
from django.utils.translation import gettext as _

from extras.models import Tag
from dcim.models import Device, Site, Region, DeviceRole, Location
from tenancy.models import TenantGroup, Tenant
from tenancy.forms import TenancyFilterForm
from django.conf import settings

from utilities.forms import (TagFilterField,  DynamicModelMultipleChoiceField, FilterForm)
allow_coordinates_saving = settings.PLUGINS_CONFIG["netbox_topology_views"]["allow_coordinates_saving"]

class DeviceFilterForm(TenancyFilterForm, FilterForm):
    model = Device
    field_groups = [
        ['q', 'hide_unconnected', 'save_coords'],
        ['tenant_group_id', 'tenant_id'],
        ['region_id', 'site_id', 'location_id'],
        ['device_role_id'],
        ['tag'],
    ]

    region_id = DynamicModelMultipleChoiceField(
        queryset=Region.objects.all(),
        required=False,
        label=_('Region')
    )
    device_role_id = DynamicModelMultipleChoiceField(
        queryset=DeviceRole.objects.all(),
        required=False,
        label=_('Device Role')
    )
    site_id = DynamicModelMultipleChoiceField(
        queryset=Site.objects.all(),
        required=False,
        query_params={
            'region_id': '$region_id',
        },
        label=_('Site')
    )
    location_id = DynamicModelMultipleChoiceField(
        queryset=Location.objects.all(),
        required=False,
        query_params={
            'region_id': '$region_id',
            'site_id': '$site_id',
        },
        label=_('Location')
    )

    hide_unconnected = forms.BooleanField(
        label=_("Hide Unconnected"),
        required=False,
        initial=False)

    save_coords = forms.BooleanField(
        label=_("Save Coordinates"),
        required=False,
        disabled=(not allow_coordinates_saving),
        initial=False)

    tag = TagFilterField(model)