# Copyright 2017 Google LLC
#
# 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.
"""Clean up documents leaked by system tests."""
from google.cloud.firestore import Client


def zap_document(document):
    print("Zapping document: {}".format(document.path))
    for collection in document.collections():
        zap_collection(collection)
    document.delete()


def zap_collection(collection):
    for document in collection.list_documents():
        zap_document(document)


def main():
    client = Client()

    for collection in client.collections():
        zap_collection(collection)


if __name__ == "__main__":
    main()
