# Copyright 2016 Red Hat, 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.
import logging

from glanceclient.v2 import client as glanceclient
from heatclient.v1 import client as heatclient
from ironicclient.v1 import client as ironicclient
from mistral.actions import base
from mistral import context
from mistral.utils.openstack import keystone as keystone_utils
from mistralclient.api import client as mistral_client
from swiftclient import client as swift_client


LOG = logging.getLogger(__name__)


class TripleOAction(base.Action):

    def __init__(self):
        super(TripleOAction, self).__init__()

    def _get_object_client(self):
        ctx = context.ctx()
        obj_ep = keystone_utils.get_endpoint_for_project('swift')

        kwargs = {
            'preauthurl': obj_ep.url % {'tenant_id': ctx.project_id},
            'preauthtoken': ctx.auth_token
        }

        return swift_client.Connection(**kwargs)

    def _get_baremetal_client(self):
        ctx = context.ctx()

        ironic_endpoint = keystone_utils.get_endpoint_for_project('ironic')

        return ironicclient.Client(
            ironic_endpoint.url,
            token=ctx.auth_token,
            region_name=ironic_endpoint.region,
            os_ironic_api_version='1.11'
        )

    def _get_image_client(self):
        ctx = context.ctx()

        glance_endpoint = keystone_utils.get_endpoint_for_project('glance')
        return glanceclient.Client(
            glance_endpoint.url,
            token=ctx.auth_token,
            region_name=glance_endpoint.region
        )

    def _get_orchestration_client(self):
        ctx = context.ctx()
        heat_endpoint = keystone_utils.get_endpoint_for_project('heat')

        endpoint_url = keystone_utils.format_url(
            heat_endpoint.url,
            {'tenant_id': ctx.project_id}
        )

        return heatclient.Client(
            endpoint_url,
            region_name=heat_endpoint.region,
            token=ctx.auth_token,
            username=ctx.user_name
        )

    def _get_workflow_client(self):
        ctx = context.ctx()
        mistral_endpoint = keystone_utils.get_endpoint_for_project('mistral')

        mc = mistral_client.client(auth_token=ctx.auth_token,
                                   mistral_url=mistral_endpoint.url)

        return mc