# 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 tempest import config


CONF = config.CONF


class Config(object):

    """Parses configuration to attributes required for auth and test data"""

    @classmethod
    def set_admin_creds(cls, config):
        cls.admin_user = CONF.auth.admin_username
        cls.admin_passwd = CONF.auth.admin_password
        cls.admin_tenant = CONF.auth.admin_tenant_name

    @classmethod
    def set_user_creds(cls, config):
        # normal user creds
        cls.user = CONF.identity.username
        cls.passwd = CONF.identity.password
        cls.tenant = CONF.identity.tenant_name

    @classmethod
    def set_auth_version(cls, config):
        # auth version for client authentication
        cls.auth_version = CONF.identity.auth_version

    @classmethod
    def set_auth_url(cls, config):
        # auth_url for client authentication
        if cls.auth_version == 'v3':
            cls.auth_v3_url = CONF.identity.uri_v3
        else:
            if 'uri' not in CONF.identity:
                raise Exception('config missing auth_url key')
            cls.auth_url = CONF.identity.uri

    @classmethod
    def set_admin_role(cls, config):
        # admin_role for client authentication
        if cls.auth_version == 'v3':
            cls.admin_role = CONF.identity.admin_role
        else:
            cls.admin_role = 'admin'

    @classmethod
    def set_region(cls, config):
        if 'region' in CONF.identity:
            cls.region = CONF.identity.region
        else:
            cls.region = 'RegionOne'

    @classmethod
    def set_image_id(cls, config):
        if 'image_id' not in CONF.magnum:
            raise Exception('config missing image_id key')
        cls.image_id = CONF.magnum.image_id

    @classmethod
    def set_nic_id(cls, config):
        if 'nic_id' not in CONF.magnum:
            raise Exception('config missing nic_id key')
        cls.nic_id = CONF.magnum.nic_id

    @classmethod
    def set_keypair_id(cls, config):
        if 'keypair_id' not in CONF.magnum:
            raise Exception('config missing keypair_id key')
        cls.keypair_id = CONF.magnum.keypair_id

    @classmethod
    def setUp(cls):
        cls.set_admin_creds(config)
        cls.set_user_creds(config)
        cls.set_auth_version(config)
        cls.set_auth_url(config)
        cls.set_admin_role(config)

        cls.set_region(config)
        cls.set_image_id(config)
        cls.set_nic_id(config)
        cls.set_keypair_id(config)