# Copyright 2012 Managed I.T.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# 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 os
import pkg_resources
import json
from monikerclient import exceptions


def resource_string(*args):
    if len(args) == 0:
        raise ValueError()

    resource_path = os.path.join('resources', *args)

    if not pkg_resources.resource_exists('monikerclient', resource_path):
        raise exceptions.ResourceNotFound('Could not find the requested '
                                          'resource: %s' % resource_path)

    return pkg_resources.resource_string('monikerclient', resource_path)


def load_schema(version, name):
    schema_string = resource_string('schemas', version, '%s.json' % name)

    return json.loads(schema_string)