# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
#
# 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.
# ==============================================================================
"""Generate Java reference docs for MediaPipe."""
import pathlib

from absl import app
from absl import flags

from tensorflow_docs.api_generator import gen_java

_JAVA_ROOT = flags.DEFINE_string('java_src', None,
                                 'Override the Java source path.',
                                 required=False)

_OUT_DIR = flags.DEFINE_string('output_dir', '/tmp/mp_java/',
                               'Write docs here.')

_SITE_PATH = flags.DEFINE_string('site_path', '/mediapipe/api_docs/java',
                                 'Path prefix in the _toc.yaml')

_ = flags.DEFINE_string('code_url_prefix', None,
                        '[UNUSED] The url prefix for links to code.')

_ = flags.DEFINE_bool(
    'search_hints', True,
    '[UNUSED] Include metadata search hints in the generated files')


def main(_) -> None:
  if not (java_root := _JAVA_ROOT.value):
    # Default to using a relative path to find the Java source.
    mp_root = pathlib.Path(__file__)
    while (mp_root := mp_root.parent).name != 'mediapipe':
      # Find the nearest `mediapipe` dir.
      pass
    java_root = mp_root / 'tasks/java'

  gen_java.gen_java_docs(
      package='com.google.mediapipe',
      source_path=pathlib.Path(java_root),
      output_dir=pathlib.Path(_OUT_DIR.value),
      site_path=pathlib.Path(_SITE_PATH.value))


if __name__ == '__main__':
  app.run(main)