#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright (c) 2020 PaddlePaddle 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.
"""
usage: pull_request.py files pull_id
 pull_request.py diff pull_id
"""

import argparse
import os

from github import Github

token = os.getenv('GITHUB_API_TOKEN')


def get_pull(pull_id):
 """
 Args:
 pull_id (int): Pull id.

 Returns:
 github.PullRequest.PullRequest
 """
 github = Github(token, timeout=60)
 repo = github.get_repo('PaddlePaddle/Paddle')
 pull = repo.get_pull(pull_id)

 return pull


def get_files(args):
 """
 Args:
 args (argparse.ArgumentParser().parse_args()): Arguments. 

 Returns:
 None.
 """

 pull = get_pull(args.pull_id)

 for file in pull.get_files():
 print('/paddle/{}'.format(file.filename))


def diff(args):
 """
 Args:
 args (argparse.ArgumentParser().parse_args()): Arguments. 

 Returns:
 None.
 """

 pull = get_pull(args.pull_id)

 for file in pull.get_files():
 print('+++ {}'.format(file.filename))
 print(file.patch)


if __name__ == '__main__':
 parser = argparse.ArgumentParser()
 subparsers = parser.add_subparsers()

 files_parser = subparsers.add_parser('files')
 files_parser.add_argument('pull_id', type=int)
 files_parser.set_defaults(func=get_files)

 diff_parser = subparsers.add_parser('diff')
 diff_parser.add_argument('pull_id', type=int)
 diff_parser.set_defaults(func=diff)

 args = parser.parse_args()
 args.func(args)