import os
import sys
from django.db.models import Q, F
from synchronizers.new_base.modelaccessor import *
from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible

parentdir = os.path.join(os.path.dirname(__file__), "..")
sys.path.insert(0, parentdir)

class SyncVSGWUTenant(SyncInstanceUsingAnsible):
    provides = [VSGWUTenant]

    observes = VSGWUTenant

    requested_interval = 0

    template_name = "vsgwutenant_playbook.yaml"

    service_key_name = "/opt/xos/configurations/mcord/mcord_private_key"

    def __init__(self, *args, **kwargs):
        super(SyncVSGWUTenant, self).__init__(*args, **kwargs)

#    def fetch_pending(self, deleted):
#        if (not deleted):
#            objs = VSGWUTenant.get_tenant_objects().filter(
#                Q(enacted__lt=F('updated')) | Q(enacted=None), Q(lazy_blocked=False))
#        else:
#            # If this is a deletion we get all of the deleted tenants..
#            objs = VSGWUTenant.get_deleted_tenant_objects()
#
#        return objs

    # Gets the attributes that are used by the Ansible template but are not
    # part of the set of default attributes
    def get_extra_attributes(self, o):
        fields = {}
        shared_net_id = Network.objects.get(name='shared_network').id
        wan_net_id = Network.objects.get(name='wan_network').id

        try:
            sgwu = Port.objects.get(network_id=shared_net_id, instance_id=o.instance_id)
            fields['sgwu_shared_ip'] = sgwu.ip
            fields['sgwu_shared_mac'] = sgwu.mac
        except Exception:
            print '{} does not have an instance'.format(o.name)

        try:
            pgwu = TenantWithContainer.objects.get(provider_service_id=Service.objects.get(name='vpgwu').id, subscriber_tenant_id=o.subscriber_tenant_id)
            fields['pgwu_wan_ip'] = Port.objects.get(network_id=wan_net_id, instance_id=pgwu.instance_id).ip
            fields['pgwu_wan_mac'] = Port.objects.get(network_id=wan_net_id, instance_id=pgwu.instance_id).mac
        except Exception:
            print '{} does not have a VPGWU instance'.format(o.subscriber_tenant.name)

        return fields