#    Copyright 2013 Mirantis, 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.

from oslo.config import cfg
import pecan

from fuel_plugin.ostf_adapter.wsgi import hooks

CONF = cfg.CONF


def setup_config(custom_pecan_config):
    '''
    Updates defaults values for pecan server
    by those supplied via command line arguments
    when ostf-server is started
    '''
    config_to_use = {
        'server': {
            'host': CONF.adapter.server_host,
            'port': CONF.adapter.server_port
        },
        'dbpath': CONF.adapter.dbpath,
        'debug': CONF.debug,
        'debug_tests': CONF.debug_tests,
        'lock_dir': CONF.adapter.lock_dir,
        'nailgun': {
            'host': CONF.adapter.nailgun_host,
            'port': CONF.adapter.nailgun_port
        },
        'app': {
            'root': 'fuel_plugin.ostf_adapter.wsgi.root.RootController',
            'modules': ['fuel_plugin.ostf_adapter.wsgi']
        },
    }
    config_to_use.update(custom_pecan_config)
    pecan.conf.update(config_to_use)


def setup_app(config=None):
    setup_config(config or {})
    app = pecan.make_app(
        pecan.conf.app.root,
        debug=pecan.conf.debug,
        force_canonical=True,
        hooks=[hooks.CustomTransactionalHook(dbpath=pecan.conf.dbpath)]
    )
    return app