#
#  Copyright 2024 The InfiniFlow 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.
#
import subprocess

def get_ragflow_version() -> str:
    return RAGFLOW_VERSION_INFO


RAGFLOW_VERSION_INFO = "dev"


def get_closest_tag_and_count():
    try:
        # Get the current commit hash
        commit_id = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).strip().decode('utf-8')
        # Get the closest tag
        closest_tag = subprocess.check_output(['git', 'describe', '--tags', '--abbrev=0']).strip().decode('utf-8')
        # Get the commit hash of the closest tag
        closest_tag_commit = subprocess.check_output(['git', 'rev-list', '-n', '1', closest_tag]).strip().decode(
            'utf-8')
        # Get the commit count since the closest tag
        process = subprocess.Popen(['git', 'rev-list', '--count', f'{closest_tag}..HEAD'], stdout=subprocess.PIPE)
        commits_count, _ = process.communicate()
        commits_count = int(commits_count.strip())

        if commits_count == 0:
            return closest_tag
        else:
            return f"{commit_id}({closest_tag}~{commits_count})"
    except Exception:
        return 'unknown'


if RAGFLOW_VERSION_INFO == 'dev':
    RAGFLOW_VERSION_INFO = get_closest_tag_and_count()