# Copyright (C) 2018 Verizon. All Rights Reserved
#
# 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 rest_framework import serializers

from .link import linkSerializer
from .lccn_filter_data import LifeCycleChangeNotificationsFilter


class LinkSerializer(serializers.Serializer):
    self = linkSerializer(
        help_text="URI of this resource.",
        required=True,
        allow_null=False)


class LccnSubscriptionSerializer(serializers.Serializer):
    id = serializers.CharField(
        help_text="Identifier of this subscription resource.",
        max_length=255,
        required=True,
        allow_null=False)
    callbackUri = serializers.CharField(
        help_text="The URI of the endpoint to send the notification to.",
        max_length=255,
        required=True,
        allow_null=False)
    filter = LifeCycleChangeNotificationsFilter(
        help_text="Filter settings for this subscription, to define the " +
        "of all notifications this subscription relates to.",
        required=False)
    _links = LinkSerializer(
        help_text="Links to resources related to this resource.",
        required=True)