# Copyright 2013 VMware, Inc.
#
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from neutron.openstack.common import log as logging
from neutron.plugins.vmware.dbexts import vcns_models

LOG = logging.getLogger(__name__)


def add_vcns_router_binding(session, router_id, vse_id, lswitch_id, status):
    with session.begin(subtransactions=True):
        binding = vcns_models.VcnsRouterBinding(
            router_id=router_id,
            edge_id=vse_id,
            lswitch_id=lswitch_id,
            status=status)
        session.add(binding)
        return binding


def get_vcns_router_binding(session, router_id):
    with session.begin(subtransactions=True):
        return (session.query(vcns_models.VcnsRouterBinding).
                filter_by(router_id=router_id).first())


def update_vcns_router_binding(session, router_id, **kwargs):
    with session.begin(subtransactions=True):
        binding = (session.query(vcns_models.VcnsRouterBinding).
                   filter_by(router_id=router_id).one())
        for key, value in kwargs.iteritems():
            binding[key] = value


def delete_vcns_router_binding(session, router_id):
    with session.begin(subtransactions=True):
        binding = (session.query(vcns_models.VcnsRouterBinding).
                   filter_by(router_id=router_id).one())
        session.delete(binding)
