# -*- encoding: utf-8 -*-
# Copyright (c) 2015 b<>com
#
# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
#
# 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 concurrent.futures import ThreadPoolExecutor

from oslo_log import log

from watcher.decision_engine.audit.default import DefaultAuditHandler

LOG = log.getLogger(__name__)


class AuditEndpoint(object):
    def __init__(self, messaging, max_workers):
        self._messaging = messaging
        self._executor = ThreadPoolExecutor(max_workers=max_workers)

    @property
    def executor(self):
        return self._executor

    @property
    def messaging(self):
        return self._messaging

    def do_trigger_audit(self, context, audit_uuid):
        audit = DefaultAuditHandler(self.messaging)
        audit.execute(audit_uuid, context)

    def trigger_audit(self, context, audit_uuid):
        LOG.debug("Trigger audit %s" % audit_uuid)
        self.executor.submit(self.do_trigger_audit,
                             context,
                             audit_uuid)
        return audit_uuid