from django.utils.translation import gettext_lazy as _

from circuits.choices import CircuitCommitRateChoices, CircuitTerminationPortSpeedChoices
from circuits.models import *
from dcim.models import Site
from ipam.models import ASN
from netbox.forms import NetBoxModelForm
from tenancy.forms import TenancyForm
from utilities.forms.fields import CommentField, DynamicModelChoiceField, DynamicModelMultipleChoiceField, SlugField
from utilities.forms.rendering import FieldSet, TabbedGroups
from utilities.forms.widgets import DatePicker, NumberWithOptions

__all__ = (
    'CircuitForm',
    'CircuitGroupAssignmentForm',
    'CircuitGroupForm',
    'CircuitTerminationForm',
    'CircuitTypeForm',
    'ProviderForm',
    'ProviderAccountForm',
    'ProviderNetworkForm',
)


class ProviderForm(NetBoxModelForm):
    slug = SlugField()
    asns = DynamicModelMultipleChoiceField(
        queryset=ASN.objects.all(),
        label=_('ASNs'),
        required=False
    )
    comments = CommentField()

    fieldsets = (
        FieldSet('name', 'slug', 'asns', 'description', 'tags'),
    )

    class Meta:
        model = Provider
        fields = [
            'name', 'slug', 'asns', 'description', 'comments', 'tags',
        ]


class ProviderAccountForm(NetBoxModelForm):
    provider = DynamicModelChoiceField(
        label=_('Provider'),
        queryset=Provider.objects.all()
    )
    comments = CommentField()

    class Meta:
        model = ProviderAccount
        fields = [
            'provider', 'name', 'account', 'description', 'comments', 'tags',
        ]


class ProviderNetworkForm(NetBoxModelForm):
    provider = DynamicModelChoiceField(
        label=_('Provider'),
        queryset=Provider.objects.all()
    )
    comments = CommentField()

    fieldsets = (
        FieldSet('provider', 'name', 'service_id', 'description', 'tags'),
    )

    class Meta:
        model = ProviderNetwork
        fields = [
            'provider', 'name', 'service_id', 'description', 'comments', 'tags',
        ]


class CircuitTypeForm(NetBoxModelForm):
    slug = SlugField()

    fieldsets = (
        FieldSet('name', 'slug', 'color', 'description', 'tags'),
    )

    class Meta:
        model = CircuitType
        fields = [
            'name', 'slug', 'color', 'description', 'tags',
        ]


class CircuitForm(TenancyForm, NetBoxModelForm):
    provider = DynamicModelChoiceField(
        label=_('Provider'),
        queryset=Provider.objects.all(),
        selector=True
    )
    provider_account = DynamicModelChoiceField(
        label=_('Provider account'),
        queryset=ProviderAccount.objects.all(),
        required=False,
        query_params={
            'provider_id': '$provider',
        }
    )
    type = DynamicModelChoiceField(
        queryset=CircuitType.objects.all()
    )
    comments = CommentField()

    fieldsets = (
        FieldSet('provider', 'provider_account', 'cid', 'type', 'status', 'description', 'tags', name=_('Circuit')),
        FieldSet('install_date', 'termination_date', 'commit_rate', name=_('Service Parameters')),
        FieldSet('tenant_group', 'tenant', name=_('Tenancy')),
    )

    class Meta:
        model = Circuit
        fields = [
            'cid', 'type', 'provider', 'provider_account', 'status', 'install_date', 'termination_date', 'commit_rate',
            'description', 'tenant_group', 'tenant', 'comments', 'tags',
        ]
        widgets = {
            'install_date': DatePicker(),
            'termination_date': DatePicker(),
            'commit_rate': NumberWithOptions(
                options=CircuitCommitRateChoices
            ),
        }


class CircuitTerminationForm(NetBoxModelForm):
    circuit = DynamicModelChoiceField(
        label=_('Circuit'),
        queryset=Circuit.objects.all(),
        selector=True
    )
    site = DynamicModelChoiceField(
        label=_('Site'),
        queryset=Site.objects.all(),
        required=False,
        selector=True
    )
    provider_network = DynamicModelChoiceField(
        label=_('Provider network'),
        queryset=ProviderNetwork.objects.all(),
        required=False,
        selector=True
    )

    fieldsets = (
        FieldSet(
            'circuit', 'term_side', 'description', 'tags',
            TabbedGroups(
                FieldSet('site', name=_('Site')),
                FieldSet('provider_network', name=_('Provider Network')),
            ),
            'mark_connected', name=_('Circuit Termination')
        ),
        FieldSet('port_speed', 'upstream_speed', 'xconnect_id', 'pp_info', name=_('Termination Details')),
    )

    class Meta:
        model = CircuitTermination
        fields = [
            'circuit', 'term_side', 'site', 'provider_network', 'mark_connected', 'port_speed', 'upstream_speed',
            'xconnect_id', 'pp_info', 'description', 'tags',
        ]
        widgets = {
            'port_speed': NumberWithOptions(
                options=CircuitTerminationPortSpeedChoices
            ),
            'upstream_speed': NumberWithOptions(
                options=CircuitTerminationPortSpeedChoices
            ),
        }


class CircuitGroupForm(TenancyForm, NetBoxModelForm):
    slug = SlugField()

    fieldsets = (
        FieldSet('name', 'slug', 'description', 'tags', name=_('Circuit Group')),
        FieldSet('tenant_group', 'tenant', name=_('Tenancy')),
    )

    class Meta:
        model = CircuitGroup
        fields = [
            'name', 'slug', 'description', 'tenant_group', 'tenant', 'tags',
        ]


class CircuitGroupAssignmentForm(NetBoxModelForm):
    group = DynamicModelChoiceField(
        label=_('Group'),
        queryset=CircuitGroup.objects.all(),
    )
    circuit = DynamicModelChoiceField(
        label=_('Circuit'),
        queryset=Circuit.objects.all(),
        selector=True
    )

    class Meta:
        model = CircuitGroupAssignment
        fields = [
            'group', 'circuit', 'priority', 'tags',
        ]