# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Update and upload markdown files using the output of fiddlecli."""


import argparse
import os
import subprocess
import sys

import git_utils


SKIA_COMMITTER_EMAIL = 'update-docs@skia.org'
SKIA_COMMITTER_NAME = 'Update Docs'
SKIA_REPO = 'https://skia.googlesource.com/skia.git'
COMMIT_MSG = '''Update markdown files

Automatic commit by the Housekeeper-Nightly-Bookmaker bot.

TBR=%s
NO_MERGE_BUILDS
''' % SKIA_COMMITTER_EMAIL
CC_LIST = ['rmistry@google.com', 'caryclark@google.com']


def main():
  parser = argparse.ArgumentParser()
  parser.add_argument("--gitcookies")
  parser.add_argument("--bookmaker_binary")
  parser.add_argument("--fiddlecli_output")
  args = parser.parse_args()

  with git_utils.NewGitCheckout(repository=SKIA_REPO):
    config_dict = {
        'user.name': SKIA_COMMITTER_NAME,
        'user.email': SKIA_COMMITTER_EMAIL,
        'http.cookiefile': args.gitcookies,
    }
    # Skip GCE Auth in depot_tools/gerrit_utils.py. Use gitcookies instead.
    os.environ['SKIP_GCE_AUTH_FOR_GIT'] = 'True'
    os.environ['GIT_COOKIES_PATH'] = args.gitcookies

    with git_utils.GitLocalConfig(config_dict):
      with git_utils.GitBranch(branch_name='update_md_files',
                               commit_msg=COMMIT_MSG,
                               commit_queue=True,
                               upload=False,
                               cc_list=CC_LIST) as git_branch:
        # Run bookmaker binary.
        cmd = [args.bookmaker_binary,
               '-b', 'docs',
               '-f', args.fiddlecli_output,
               '-r', 'site/user/api',
               ]
        try:
          subprocess.check_call(cmd)
        except subprocess.CalledProcessError as e:
          print >> sys.stderr, (
              'Running %s failed, not uploading markdowns update:\n\n%s' % (
                  cmd, e.output))
          sys.exit(1)

          # Verify that only files in the expected directory are going to be
          # committed and uploaded.
        diff_files = subprocess.check_output(['git', 'diff', '--name-only'])
        for diff_file in diff_files.split():
          if not diff_file.startswith('site/user/api/'):
            print >> sys.stderr, (
              'Some files in %s were not in the site/user/api dir. '
              'Not uploading them' % diff_files)
            sys.exit(1)
        if diff_files:
          subprocess.check_call(['git', 'add', '-u'])
          git_branch.commit_and_upload(True)
        else:
          print 'No changes so nothing to upload.'


if '__main__' == __name__:
  main()