# Copyright 2023 Google, 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.

require "google/cloud/pubsub"

def dead_letter_remove subscription_id:
  # [START pubsub_dead_letter_remove]
  # subscription_id = "your-subscription-id"

  pubsub = Google::Cloud::PubSub.new
  subscription_admin = pubsub.subscription_admin

  subscription = subscription_admin.get_subscription \
    subscription: pubsub.subscription_path(subscription_id)
  subscription.dead_letter_policy = nil

  subscription_admin.update_subscription subscription: subscription,
                                         update_mask: {
                                           paths: ["dead_letter_policy"]
                                         }

  puts "Removed dead letter topic from #{subscription_id} subscription."
  # [END pubsub_dead_letter_remove]
end
