import os
import sys
from django.db.models import Q, F
from services.vpgwc.models import VPGWCService, VPGWCTenant
from synchronizers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible

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

class SyncVPGWCTenant(SyncInstanceUsingAnsible):

    provides = [VPGWCTenant]

    observes = VPGWCTenant

    requested_interval = 0

    template_name = "sync_vpgwc.yaml"

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

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

    def fetch_pending(self, deleted):

        if (not deleted):
            objs = VPGWCTenant.get_tenant_objects().filter(
                Q(enacted__lt=F('updated')) | Q(enacted=None), Q(lazy_blocked=False))
        else:

            objs = VPGWCTenant.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):
        return {"display_message": o.display_message, 
                "s5s8_pgw_tag": o.s5s8_pgw_tag, 
                "image_name": o.image_name,
               }