# Copyright 2015 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Updates the various BadMessage enums in histograms.xml file with values read
from the corresponding bad_message.h files.

If the file was pretty-printed, the updated version is pretty-printed too.
"""

from __future__ import print_function

import os
import sys

import setup_modules  # pylint: disable=unused-import

from chromium_src.tools.metrics.histograms.update_histogram_enum import (
  UpdateHistogramEnum,
)

if __name__ == '__main__':
  if len(sys.argv) > 1:
    print('No arguments expected!', file=sys.stderr)
    sys.stderr.write(__doc__)
    sys.exit(1)

  histograms = {
    'chrome/browser/bad_message.h': {
      'name': 'BadMessageReasonChrome',
    },
    'content/browser/bad_message.h': {'name': 'BadMessageReasonContent'},
    'components/guest_view/browser/bad_message.h': {
      'name': 'BadMessageReasonGuestView'
    },
    'components/password_manager/content/browser/bad_message.h': {
      'name': 'BadMessageReasonPasswordManager'
    },
    'extensions/browser/bad_message.h': {'name': 'BadMessageReasonExtensions'},
  }

  for header_file, details in histograms.items():
    end_marker = details.get('end_marker', '^BAD_MESSAGE_MAX')
    strip_k_prefix = details.get('strip_k_prefix', False)
    UpdateHistogramEnum(
      'tools/metrics/histograms/metadata/stability/enums.xml',
      histogram_enum_name=details['name'],
      source_enum_path=header_file,
      start_marker='^enum (class )?BadMessageReason {',
      end_marker=end_marker,
      strip_k_prefix=strip_k_prefix,
      calling_script=os.path.basename(__file__),
    )