# 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 neutronclient.common.exceptions import NeutronException
from neutronclient.neutron import client as neutronclient


class NeutronHealth(object):

    def __init__(self, creds):
        self.neutron_client = neutronclient.Client('2.0', **creds)

    def neutron_agent_list(self):
        try:
            agent_list = self.neutron_client.list_agents()
        except (NeutronException, Exception) as e:
            return (404, e.message, [])
        return (200, "success", agent_list['agents'])

    def neutron_list_networks(self):
        try:
            net_list = self.neutron_client.list_networks()
        except (NeutronException, Exception) as e:
            return (404, e.message, [])
        return (200, "success", net_list['networks'])

    def network_create(self, network_name):
        try:
            self.neutronclient.format = 'json'
            network = {'name': network_name, 'admin_state_up': True}
            res = self.neutronclient.create_network({'network': network})
        except (NeutronException, Exception) as e:
            return (404, e.message, [])
        return (200, "success", res)

    def subnet_create(self, network_id, network_cidr):
        try:
            self.neutronclient.format = 'json'
            subnet = {
                "name": "cpulse_test",
                "network_id": network_id,
                "ip_version": 4,
                "cidr": network_cidr
            }
            res = self.neutronclient.create_subnet({'subnet': subnet})
        except (NeutronException, Exception) as e:
            return (404, e.message, [])
        return (200, "success", res)

    def network_delete(self, network_id):
        try:
            self.neutronclient.format = 'json'
            res = self.neutronclient.delete_network(network_id)
        except (NeutronException, Exception) as e:
            return (404, e.message, [])
        return (200, "success", res)