# Copyright (c) 2016 Red Hat, 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 sahara.api import acl
from sahara.service.api.v2 import cluster_templates as api
from sahara.service import validation as v
from sahara.service.validations import cluster_template_schema as ct_schema
from sahara.service.validations import cluster_templates as v_ct
import sahara.utils.api as u


rest = u.RestV2('cluster-templates', __name__)


@rest.get('/cluster-templates')
@acl.enforce("data-processing:cluster-templates:get_all")
def cluster_templates_list():
    return u.render(
        cluster_templates=[t.to_dict() for t in api.get_cluster_templates(
            **u.get_request_args().to_dict())])


@rest.post('/cluster-templates')
@acl.enforce("data-processing:cluster-templates:create")
@v.validate(ct_schema.CLUSTER_TEMPLATE_SCHEMA,
            v_ct.check_cluster_template_create)
def cluster_templates_create(data):
    return u.render(api.create_cluster_template(data).to_wrapped_dict())


@rest.get('/cluster-templates/<cluster_template_id>')
@acl.enforce("data-processing:cluster-templates:get")
@v.check_exists(api.get_cluster_template, 'cluster_template_id')
def cluster_templates_get(cluster_template_id):
    return u.to_wrapped_dict(api.get_cluster_template, cluster_template_id)


@rest.put('/cluster-templates/<cluster_template_id>')
@acl.enforce("data-processing:cluster-templates:modify")
@v.check_exists(api.get_cluster_template, 'cluster_template_id')
@v.validate(ct_schema.CLUSTER_TEMPLATE_UPDATE_SCHEMA,
            v_ct.check_cluster_template_update)
def cluster_templates_update(cluster_template_id, data):
    return u.to_wrapped_dict(
        api.update_cluster_template, cluster_template_id, data)


@rest.delete('/cluster-templates/<cluster_template_id>')
@acl.enforce("data-processing:cluster-templates:delete")
@v.check_exists(api.get_cluster_template, 'cluster_template_id')
@v.validate(None, v_ct.check_cluster_template_usage)
def cluster_templates_delete(cluster_template_id):
    api.terminate_cluster_template(cluster_template_id)
    return u.render()