text: # Copyright 2020 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.
  
  """This script is used to synthesize generated parts of this library."""
  
  import synthtool as s
  import synthtool.gcp as gcp
  import logging
  
  logging.basicConfig(level=logging.DEBUG)
  
  gapic = gcp.GAPICBazel()
  
  library = gapic.php_library(
      service="billing",
      version="v1",
      bazel_target='//google/cloud/billing/v1:google-cloud-billing-v1-php',
  )
  
  # copy all src
  s.move(library / f"src/V1")
  
  # copy proto files to src also
  s.move(library / f"proto/src/Google/Cloud/Billing", f"src/")
  s.move(library / f"tests/")
  
  # copy GPBMetadata file to metadata
  s.move(library / f'proto/src/GPBMetadata/Google/Cloud/Billing', f"metadata/")
  
  # document and utilize apiEndpoint instead of serviceAddress
  s.replace(
      "**/Gapic/*GapicClient.php",
      r"serviceAddress =>",
      r"apiEndpoint =>")
  s.replace(
      "**/Gapic/*GapicClient.php",
      r"@type string \$serviceAddress\n\s+\*\s+The address",
      r"""@type string $serviceAddress
       *           **Deprecated**. This option will be removed in a future major release. Please
       *           utilize the `$apiEndpoint` option instead.
       *     @type string $apiEndpoint
       *           The address""")
  s.replace(
      "**/Gapic/*GapicClient.php",
      r"\$transportConfig, and any \$serviceAddress",
      r"$transportConfig, and any `$apiEndpoint`")
  
  # V1 is GA, so remove @experimental tags
  s.replace(
      'src/V1/**/*Client.php',
      r'^(\s+\*\n)?\s+\*\s@experimental\n',
      '')
  
  # fix year
  s.replace(
      "src/**/**/*.php",
      r"Copyright d{4}",
      r"Copyright 2020)")
  s.replace(
      "tests/**/**/*Test.php",
      r"Copyright d{4}",
      r"Copyright 2020")
  
  # Change the wording for the deprecation warning.
  s.replace(
      "src/*/*_*.php",
      r"will be removed in the next major release",
      "will be removed in a future release")
  
  ### [START] protoc backwards compatibility fixes
  
  # roll back to private properties.
  s.replace(
      "src/**/V*/**/*.php",
      r"Generated from protobuf field ([^\n]{0,})\n\s{5}\*/\n\s{4}protected \$",
      r"""Generated from protobuf field \1
       */
      private $""")
  
  # prevent proto messages from being marked final
  s.replace(
      "src/**/V*/**/*.php",
      r"final class",
      r"class")
  
  # Replace "Unwrapped" with "Value" for method names.
  s.replace(
      "src/**/V*/**/*.php",
      r"public function ([s|g]\w{3,})Unwrapped",
      r"public function \1Value"
  )
  
  ### [END] protoc backwards compatibility fixes
  
  