# Copyright 2014 Intel Corp.
#
# 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.


"""
SoftwareConfig object
"""


from oslo_versionedobjects import base
from oslo_versionedobjects import fields

from heat.db import api as db_api
from heat.objects import fields as heat_fields


class SoftwareConfig(base.VersionedObject,
                     base.VersionedObjectDictCompat,
                     base.ComparableVersionedObject):
    fields = {
        'id': fields.StringField(),
        'name': fields.StringField(nullable=True),
        'group': fields.StringField(nullable=True),
        'tenant': fields.StringField(nullable=True),
        'config': heat_fields.JsonField(nullable=True),
        'created_at': fields.DateTimeField(read_only=True),
        'updated_at': fields.DateTimeField(nullable=True),
    }

    @staticmethod
    def _from_db_object(context, config, db_config):
        for field in config.fields:
            config[field] = db_config[field]
        config._context = context
        config.obj_reset_changes()
        return config

    @classmethod
    def create(cls, context, values):
        return cls._from_db_object(
            context, cls(), db_api.software_config_create(context, values))

    @classmethod
    def get_by_id(cls, context, config_id):
        return cls._from_db_object(
            context, cls(), db_api.software_config_get(context, config_id))

    @classmethod
    def delete(cls, context, config_id):
        db_api.software_config_delete(context, config_id)