import pytest

from data.database import LogEntry, User
from data.model import config as _config
from data.model.log import log_action

from mock import patch, Mock, DEFAULT, sentinel
from peewee import PeeweeException


@pytest.fixture(scope='function')
def app_config():
  with patch.dict(_config.app_config, {}, clear=True):
    yield _config.app_config

@pytest.fixture()
def logentry_kind():
  kinds = {'pull_repo': 'pull_repo_kind',  'push_repo': 'push_repo_kind'}
  with patch('data.model.log.get_log_entry_kinds', return_value=kinds, spec=True):
    yield kinds

@pytest.fixture()
def logentry(logentry_kind):
  with patch('data.database.LogEntry.create', spec=True):
    yield LogEntry

@pytest.fixture()
def user():
  with patch.multiple('data.database.User', username=DEFAULT, get=DEFAULT, select=DEFAULT) as user:
    user['get'].return_value = Mock(id='mock_user_id')
    user['select'].return_value.tuples.return_value.get.return_value = ['default_user_id']
    yield User

@pytest.mark.parametrize('action_kind', [('pull'), ('oops')])
def test_log_action_unknown_action(action_kind):
  ''' test unknown action types throw an exception when logged '''
  with pytest.raises(Exception):
    log_action(action_kind, None)


@pytest.mark.parametrize('user_or_org_name,account_id,account', [
  ('my_test_org', 'N/A',             'mock_user_id'   ),
  (None,          'test_account_id', 'test_account_id'),
  (None,           None,             'default_user_id')
])
@pytest.mark.parametrize('unlogged_pulls_ok,action_kind,db_exception,throws', [
  (False, 'pull_repo', None,            False),
  (False, 'push_repo', None,            False),
  (False, 'pull_repo', PeeweeException, True ),
  (False, 'push_repo', PeeweeException, True ),

  (True,  'pull_repo', PeeweeException, False),
  (True,  'push_repo', PeeweeException, True ),
  (True,  'pull_repo', Exception,       True ),
  (True,  'push_repo', Exception,       True )
])
def test_log_action(user_or_org_name, account_id, account, unlogged_pulls_ok, action_kind,
                      db_exception, throws, app_config, logentry, user):
  log_args = {
    'performer'  : Mock(id='TEST_PERFORMER_ID'),
    'repository' : Mock(id='TEST_REPO'),
    'ip'         : 'TEST_IP',
    'metadata'   : { 'test_key' : 'test_value' },
    'timestamp'  : 'TEST_TIMESTAMP'
  }
  app_config['SERVICE_LOG_ACCOUNT_ID'] = account_id
  app_config['ALLOW_PULLS_WITHOUT_STRICT_LOGGING'] = unlogged_pulls_ok

  logentry.create.side_effect = db_exception

  if throws:
    with pytest.raises(db_exception):
      log_action(action_kind, user_or_org_name, **log_args)
  else:
    log_action(action_kind, user_or_org_name, **log_args)

  logentry.create.assert_called_once_with(kind=action_kind+'_kind', account=account,
                                          performer='TEST_PERFORMER_ID', repository='TEST_REPO',
                                          ip='TEST_IP', metadata_json='{"test_key": "test_value"}',
                                          datetime='TEST_TIMESTAMP')