# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
#
# 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.
"""
global flags
"""

from distutils.version import LooseVersion

from ryu import cfg

CONF = cfg.CONF

CONF.register_cli_opts([
    # tests/switch/tester
    cfg.StrOpt('target', default='0000000000000001', help='target sw dp-id'),
    cfg.StrOpt('tester', default='0000000000000002', help='tester sw dp-id'),
    cfg.IntOpt('target_recv_port', default=1,
               help='target sw receiving port '
               '(default: 1)'),
    cfg.IntOpt('target_send_port_1', default=2,
               help='target sw sending port 1 '
               '(default: 2)'),
    cfg.IntOpt('target_send_port_2', default=3,
               help='target sw sending port 2  '
               '(default: 3)'),
    cfg.IntOpt('tester_send_port', default=1,
               help='tester sw sending port '
               '(default: 1)'),
    cfg.IntOpt('tester_recv_port_1', default=2,
               help='tester sw receiving port 1 '
               '(default: 2)'),
    cfg.IntOpt('tester_recv_port_2', default=3,
               help='tester sw receiving port 2 '
               '(default: 3)'),
    cfg.StrOpt('dir', default='ryu/tests/switch/of13',
               help='test files directory'),
    cfg.StrOpt('target-version', default='openflow13',
               help='target sw OFP version '
               '[openflow10|openflow13|openflow14] '
               '(default: openflow13)'),
    cfg.StrOpt('tester-version', default='openflow13',
               help='tester sw OFP version '
               '[openflow10|openflow13|openflow14] '
               '(default: openflow13)'),
    cfg.IntOpt('interval', default=0,
               help='interval time in seconds of each test '
               '(default: 0)'),
], group='test-switch')


DEFAULT_RPC_PORT = 50002
DEFAULT_RPC_HOST = '0.0.0.0'

CONF.register_cli_opts([
    cfg.IntOpt('rpc-port', default=DEFAULT_RPC_PORT,
               help='Port for RPC server (default: %s)' % DEFAULT_RPC_PORT),
    cfg.StrOpt('rpc-host', default=DEFAULT_RPC_HOST,
               help='IP for RPC server (default: %s)' % DEFAULT_RPC_HOST),
    cfg.StrOpt('config-file', default=None,
               help='The config file formatted in Python source file. '
                    'Please refer to "bgp_sample_conf.py" for details.')
], group='bgp-app')


DEFAULT_ZSERV_HOST = '/var/run/quagga/zserv.api'
DEFAULT_ZSERV_PORT = 2600
DEFAULT_ZSERV_VERSION = 2  # Version of Ubuntu 16.04 LTS packaged Quagga
DEFAULT_ZSERV_CLIENT_ROUTE_TYPE = 'BGP'
DEFAULT_ZSERV_INTERVAL = 10
DEFAULT_ZSERV_DATABASE = 'sqlite:///zebra.db'
DEFAULT_ZSERV_ROUTER_ID = '1.1.1.1'
# For the backward compatibility with Quagga, the default FRRouting version
# should be None.
DEFAULT_ZSERV_FRR_VERSION = '0.0'

# Hack: In oslo_config.cfg.Opt, ConfigType might access __class__ attribute
# for equal comparison, but on Python 2, LooseVersion does not have __class__
# attribute and it causes AttributeError. So here inject __class__ attribute
# into LooseVersion class.
if not hasattr(LooseVersion, '__class__'):
    LooseVersion.__class__ = LooseVersion

CONF.register_cli_opts([
    cfg.StrOpt(
        'server-host', default=DEFAULT_ZSERV_HOST,
        help='Path to Unix Socket or IP address of Zebra server '
             '(default: %s)' % DEFAULT_ZSERV_HOST),
    cfg.IntOpt(
        'server-port', default=DEFAULT_ZSERV_PORT,
        help='Port number of Zebra server '
             '(default: %s)'
        % DEFAULT_ZSERV_PORT),
    cfg.IntOpt(
        'server-version', default=DEFAULT_ZSERV_VERSION,
        help='Zebra protocol version of Zebra server '
             '(default: %s)' % DEFAULT_ZSERV_VERSION),
    cfg.StrOpt(
        'client-route-type', default=DEFAULT_ZSERV_CLIENT_ROUTE_TYPE,
        help='Zebra route type advertised by Zebra client service. '
             '(default: %s)' % DEFAULT_ZSERV_CLIENT_ROUTE_TYPE),
    cfg.IntOpt(
        'retry-interval', default=DEFAULT_ZSERV_INTERVAL,
        help='Retry interval connecting to Zebra server '
             '(default: %s)' % DEFAULT_ZSERV_INTERVAL),
    cfg.StrOpt(
        'db-url', default=DEFAULT_ZSERV_DATABASE,
        help='URL to database used by Zebra protocol service '
             '(default: %s)' % DEFAULT_ZSERV_DATABASE),
    cfg.StrOpt(
        'router-id', default=DEFAULT_ZSERV_ROUTER_ID,
        help='Initial Router ID used by Zebra protocol service '
             '(default: %s)' % DEFAULT_ZSERV_ROUTER_ID),
    cfg.Opt(
        'frr-version', LooseVersion, default=DEFAULT_ZSERV_FRR_VERSION,
        help='FRRouting version when integrated with FRRouting (e.g., 3.0)'),
], group='zapi')