import asyncio
import glob
import os
import sys
from pathlib import Path
from unittest.mock import Mock

import pytest
from pytest_mock import MockerFixture

# Add source to PATH such that imports within src modules are properly resolved.
SRC_PATH = str(Path(__file__).parent / '..' / 'src')
sys.path.insert(0, SRC_PATH)

from bot import Music


@pytest.fixture(scope='session', autouse=True)
def global_teardown():
  yield
  logs = glob.glob('*.log')
  for log in logs:
    os.remove(log)


@pytest.fixture
def bot(mocker: MockerFixture):
  bot_mock = mocker.patch('discord.ext.commands.Bot', autospec=True)
  bot_mock.loop = Mock()
  yield bot_mock


@pytest.fixture
def mbot(bot):
  mbot_mock = Music(bot)
  yield mbot_mock
  mbot_mock.cog_unload()


@pytest.fixture
def ctx(mocker: MockerFixture):
  ctx_mock = mocker.patch('discord.ext.commands.Context', autospec=True)
  ctx_mock.voice_client.stop = lambda: ctx_mock.voice_client.play.call_args.kwargs['after'](None)
  return ctx_mock


@pytest.fixture
def event_loop():
  loop = asyncio.get_event_loop()
  yield loop
  pending = asyncio.all_tasks(loop=loop)
  asyncio.ensure_future(asyncio.gather(*pending))