# Copyright 2014
# The Cloudscaling Group, 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 gceapi.api import common as gce_common
from gceapi.api import scopes
from gceapi.api import snapshot_api
from gceapi.api import wsgi as gce_wsgi
from gceapi import exception


class Controller(gce_common.Controller):
    """GCE Snapshot controller"""

    def __init__(self, *args, **kwargs):
        super(Controller, self).__init__(snapshot_api.API(), *args, **kwargs)

    def format_item(self, request, snapshot, scope):
        result_dict = {
            "creationTimestamp": self._format_date(snapshot["created_at"]),
            "status": snapshot["status"],
            "diskSizeGb": snapshot["size"],
            "name": snapshot["name"],
            "description": snapshot["display_description"],
            }
        disk = snapshot.get("disk")
        if disk is not None:
            result_dict["sourceDisk"] = self._qualify(
                request, "disks", disk["display_name"],
                scopes.ZoneScope(disk["availability_zone"]))
            result_dict["sourceDiskId"] = self._get_id(
                result_dict["sourceDisk"])

        return self._format_item(request, result_dict, scope)

    def create(self, req, body, scope):
        raise exception.NotFound


def create_resource():
    return gce_wsgi.GCEResource(Controller())