# -*- coding: utf-8 -*-
# Copyright 2023 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.
#
# pytype: skip-file
r"""Api reference docs generation script, using tensorflow_docs

This script generates API reference docs for the reference doc generator.

$> pip install -U git+https://github.com/tensorflow/docs
$> python build_docs.py
"""

import pathlib
import re
import textwrap
import typing

from absl import app
from absl import flags

import google
from google.ai import generativelanguage as glm

import grpc
import jinja2  # must be imported before turning on TYPE_CHECKING
import pydantic  # must be imported before turning on TYPE_CHECKING
from IPython import display  # must be imported before turning on TYPE_CHECKING
import PIL.Image  # must be imported before turning on TYPE_CHECKING

# For showing the conditional imports and types in `content_types.py`
# grpc must be imported first.
typing.TYPE_CHECKING = True
from google import generativeai as genai

from tensorflow_docs.api_generator import doc_controls
from tensorflow_docs.api_generator import generate_lib
from tensorflow_docs.api_generator import public_api
from tensorflow_docs.api_generator import parser
from tensorflow_docs.api_generator.pretty_docs import base_page

import yaml

HERE = pathlib.Path(__file__).parent

PROJECT_SHORT_NAME = "genai"
PROJECT_FULL_NAME = "Generative AI - Python"

_OUTPUT_DIR = flags.DEFINE_string(
    "output_dir",
    default=str(HERE / "api/"),
    help="Where to write the resulting docs to.",
)

_SEARCH_HINTS = flags.DEFINE_bool(
    "search_hints", True, "Include metadata search hints in the generated files"
)

_SITE_PATH = flags.DEFINE_string("site_path", "/api/python", "Path prefix in the _toc.yaml")

_CODE_URL_PREFIX = flags.DEFINE_string(
    "code_url_prefix",
    "https://github.com/google/generative-ai-python/blob/master/google/generativeai",
    "where to find the project code",
)

parser.ITEMS_TEMPLATE = textwrap.dedent(
    """\
  <tr>
  <td>

  {name}{anchor}

  </td>
  <td>

  {description}

  </td>
  </tr>"""
)

parser.TEXT_TEMPLATE = textwrap.dedent(
    """\
  <tr class="alt">
  <td colspan="2">

  {text}

  </td>
  </tr>"""
)

base_page.TABLE_HEADER = '<table class="tfo-notebook-buttons tfo-api nocontent">'

base_page.TemplatePageBuilder.get_devsite_headers = lambda x: ""


def gen_api_docs():
    """Generates api docs for the generative-ai package."""
    for name in dir(google):
        if name not in ("generativeai", "ai"):
            delattr(google, name)
    google.__name__ = "google"
    google.__doc__ = textwrap.dedent(
        """\
        This is the top-level google namespace.
        """
    )

    doc_generator = generate_lib.DocGenerator(
        root_title=PROJECT_FULL_NAME,
        py_modules=[("google.generativeai", genai)],
        base_dir=(
            pathlib.Path(genai.__file__).parent,
            pathlib.Path(glm.__file__).parent.parent,
        ),
        code_url_prefix=(
            _CODE_URL_PREFIX.value,
            "https://github.com/googleapis/google-cloud-python/tree/main/packages/google-ai-generativelanguage/google/ai",
        ),
        search_hints=_SEARCH_HINTS.value,
        site_path=_SITE_PATH.value,
        callbacks=[public_api.explicit_package_contents_filter],
    )

    out_path = pathlib.Path(_OUTPUT_DIR.value)
    doc_generator.build(out_path)

    # clear `oneof` junk from proto pages
    for fpath in out_path.rglob("*.md"):
        old_content = fpath.read_text()
        new_content = old_content
        new_content = re.sub(r"\.\. _oneof:.*?\n", "", new_content)
        new_content = re.sub(r".*?`oneof`_ ``_.*?\n", "", new_content, re.MULTILINE)
        new_content = re.sub(r"\.\. code-block:: python.*?\n", "", new_content)

        new_content = re.sub(r"generativelanguage_\w+\.types", "generativelanguage", new_content)

        if new_content != old_content:
            fpath.write_text(new_content)

    print("Output docs to: ", _OUTPUT_DIR.value)


def main(_):
    gen_api_docs()


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