# Copyright 2014 - Mirantis, Inc.
# Copyright 2015 - StackStorm, Inc.
#
#    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 copy
import six

from oslo_utils import importutils

from mistralclient.api import httpclient
from mistralclient.api.v2 import action_executions
from mistralclient.api.v2 import actions
from mistralclient.api.v2 import cron_triggers
from mistralclient.api.v2 import environments
from mistralclient.api.v2 import executions
from mistralclient.api.v2 import members
from mistralclient.api.v2 import services
from mistralclient.api.v2 import tasks
from mistralclient.api.v2 import workbooks
from mistralclient.api.v2 import workflows
from mistralclient import auth


osprofiler_profiler = importutils.try_import("osprofiler.profiler")

_DEFAULT_MISTRAL_URL = "http://localhost:8989/v2"


class Client(object):
    def __init__(self, auth_type='keystone', **kwargs):
        req = copy.deepcopy(kwargs)
        mistral_url = req.get('mistral_url')
        auth_url = req.get('auth_url')
        auth_token = req.get('auth_token')
        project_id = req.get('project_id')
        user_id = req.get('user_id')
        profile = req.get('profile')

        if mistral_url and not isinstance(mistral_url, six.string_types):
            raise RuntimeError('Mistral url should be a string.')

        if auth_url and not auth_token:
            auth_handler = auth.get_auth_handler(auth_type)
            auth_response = auth_handler.authenticate(req) or {}
            mistral_url = auth_response.get('mistral_url') or mistral_url
            req['auth_token'] = auth_response.get('token')
            req['project_id'] = auth_response.get('project_id') or project_id
            req['user_id'] = auth_response.get('user_id') or user_id

        if not mistral_url:
            mistral_url = _DEFAULT_MISTRAL_URL

        if profile:
            osprofiler_profiler.init(profile)

        http_client = httpclient.HTTPClient(mistral_url, **req)

        # Create all resource managers.
        self.workbooks = workbooks.WorkbookManager(http_client)
        self.executions = executions.ExecutionManager(http_client)
        self.tasks = tasks.TaskManager(http_client)
        self.actions = actions.ActionManager(http_client)
        self.workflows = workflows.WorkflowManager(http_client)
        self.cron_triggers = cron_triggers.CronTriggerManager(http_client)
        self.environments = environments.EnvironmentManager(http_client)
        self.action_executions = action_executions.ActionExecutionManager(
            http_client)
        self.services = services.ServiceManager(http_client)
        self.members = members.MemberManager(http_client)