import logging
import time

import features

from app import app, authentication
from data.users.teamsync import sync_teams_to_groups
from workers.worker import Worker
from util.timedeltastring import convert_to_timedelta

logger = logging.getLogger(__name__)

WORKER_FREQUENCY = app.config.get('TEAM_SYNC_WORKER_FREQUENCY', 60)
STALE_CUTOFF = convert_to_timedelta(app.config.get('TEAM_RESYNC_STALE_TIME', '30m'))

class TeamSynchronizationWorker(Worker):
  """ Worker which synchronizes teams with their backing groups in LDAP/Keystone/etc.
  """
  def __init__(self):
    super(TeamSynchronizationWorker, self).__init__()
    self.add_operation(self._sync_teams_to_groups, WORKER_FREQUENCY)

  def _sync_teams_to_groups(self):
    sync_teams_to_groups(authentication, STALE_CUTOFF)


def main():
  logging.config.fileConfig('conf/logging_debug.conf', disable_existing_loggers=False)

  if not features.TEAM_SYNCING or not authentication.federated_service:
    logger.debug('Team syncing is disabled; sleeping')
    while True:
      time.sleep(100000)

  worker = TeamSynchronizationWorker()
  worker.start()


if __name__ == "__main__":
  main()