# Copyright 2017 The Armada Authors.
#
# 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 cliff import command as cmd
import yaml

from armada.utils.lint import validate_armada_documents, validate_armada_object
from armada.handlers.manifest import Manifest

from oslo_config import cfg
from oslo_log import log as logging

LOG = logging.getLogger(__name__)

CONF = cfg.CONF


def validateYaml(args):
    documents = yaml.safe_load_all(open(args.file).read())
    manifest_obj = Manifest(documents).get_manifest()
    obj_check = validate_armada_object(manifest_obj)
    doc_check = validate_armada_documents(documents)

    try:
        if doc_check and obj_check:
            LOG.info('Successfully validated: %s', args.file)
    except Exception:
        raise Exception('Failed to validate: %s', args.file)


class ValidateYamlCommand(cmd.Command):
    def get_parser(self, prog_name):
        parser = super(ValidateYamlCommand, self).get_parser(prog_name)
        parser.add_argument('file', type=str, metavar='FILE',
                            help='Armada yaml file to validate')
        return parser

    def take_action(self, parsed_args):
        validateYaml(parsed_args)