#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2021
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program.  If not, see [http://www.gnu.org/licenses/].
"""Provide a bot to tests"""
import json
import base64
import os
import random
import pytest
from telegram.utils.request import Request
from telegram.error import RetryAfter, TimedOut

# Provide some public fallbacks so it's easy for contributors to run tests on their local machine
# These bots are only able to talk in our test chats, so they are quite useless for other
# purposes than testing.
FALLBACKS = (
    'W3sidG9rZW4iOiAiNTc5Njk0NzE0OkFBRnBLOHc2emtrVXJENHhTZVl3RjNNTzhlLTRHcm1jeTdjIiwgInBheW1lbnRfc'
    'HJvdmlkZXJfdG9rZW4iOiAiMjg0Njg1MDYzOlRFU1Q6TmpRME5qWmxOekk1WWpKaSIsICJjaGF0X2lkIjogIjY3NTY2Nj'
    'IyNCIsICJzdXBlcl9ncm91cF9pZCI6ICItMTAwMTMxMDkxMTEzNSIsICJjaGFubmVsX2lkIjogIkBweXRob250ZWxlZ3J'
    'hbWJvdHRlc3RzIiwgImJvdF9uYW1lIjogIlBUQiB0ZXN0cyBmYWxsYmFjayAxIiwgImJvdF91c2VybmFtZSI6ICJAcHRi'
    'X2ZhbGxiYWNrXzFfYm90In0sIHsidG9rZW4iOiAiNTU4MTk0MDY2OkFBRndEUElGbHpHVWxDYVdIdFRPRVg0UkZyWDh1O'
    'URNcWZvIiwgInBheW1lbnRfcHJvdmlkZXJfdG9rZW4iOiAiMjg0Njg1MDYzOlRFU1Q6WWpFd09EUXdNVEZtTkRjeSIsIC'
    'JjaGF0X2lkIjogIjY3NTY2NjIyNCIsICJzdXBlcl9ncm91cF9pZCI6ICItMTAwMTIyMTIxNjgzMCIsICJjaGFubmVsX2l'
    'kIjogIkBweXRob250ZWxlZ3JhbWJvdHRlc3RzIiwgImJvdF9uYW1lIjogIlBUQiB0ZXN0cyBmYWxsYmFjayAyIiwgImJv'
    'dF91c2VybmFtZSI6ICJAcHRiX2ZhbGxiYWNrXzJfYm90In1d'
)

GITHUB_ACTION = os.getenv('GITHUB_ACTION', None)
BOTS = os.getenv('BOTS', None)
JOB_INDEX = os.getenv('JOB_INDEX', None)
if GITHUB_ACTION is not None and BOTS is not None and JOB_INDEX is not None:
    BOTS = json.loads(base64.b64decode(BOTS).decode('utf-8'))
    JOB_INDEX = int(JOB_INDEX)

FALLBACKS = json.loads(base64.b64decode(FALLBACKS).decode('utf-8'))


def get(name, fallback):
    # If we have TOKEN, PAYMENT_PROVIDER_TOKEN, CHAT_ID, SUPER_GROUP_ID,
    # CHANNEL_ID, BOT_NAME, or BOT_USERNAME in the environment, then use that
    val = os.getenv(name.upper())
    if val:
        return val

    # If we're running as a github action then fetch bots from the repo secrets
    if GITHUB_ACTION is not None and BOTS is not None and JOB_INDEX is not None:
        try:
            return BOTS[JOB_INDEX][name]
        except KeyError:
            pass

    # Otherwise go with the fallback
    return fallback


def get_bot():
    return {k: get(k, v) for k, v in random.choice(FALLBACKS).items()}


# Patch request to xfail on flood control errors and TimedOut errors
original_request_wrapper = Request._request_wrapper


def patient_request_wrapper(*args, **kwargs):
    try:
        return original_request_wrapper(*args, **kwargs)
    except RetryAfter as e:
        pytest.xfail(f'Not waiting for flood control: {e}')
    except TimedOut as e:
        pytest.xfail(f'Ignoring TimedOut error: {e}')


Request._request_wrapper = patient_request_wrapper