import uuid
import json

from calendar import timegm

from data import model


class SharedModel:
  def queue_logs_export(self, start_datetime, end_datetime, export_action_logs_queue,
                        namespace_name=None, repository_name=None, callback_url=None,
                        callback_email=None, filter_kinds=None):
    """ Queues logs between the start_datetime and end_time, filtered by a repository or namespace,
        for export to the specified URL and/or email address. Returns the ID of the export job
        queued or None if error.
    """
    export_id = str(uuid.uuid4())
    namespace = model.user.get_namespace_user(namespace_name)
    if namespace is None:
      return None

    repository = None
    if repository_name is not None:
      repository = model.repository.get_repository(namespace_name, repository_name)
      if repository is None:
        return None

    export_action_logs_queue.put([namespace_name],
                                 json.dumps({
                                   'export_id': export_id,
                                   'repository_id': repository.id if repository else None,
                                   'namespace_id': namespace.id,
                                   'namespace_name': namespace.username,
                                   'repository_name': repository.name if repository else None,
                                   'start_time': start_datetime.strftime('%m/%d/%Y'),
                                   'end_time': end_datetime.strftime('%m/%d/%Y'),
                                   'callback_url': callback_url,
                                   'callback_email': callback_email,
                                 }), retries_remaining=3)

    return export_id


def epoch_ms(dt):
  return (timegm(dt.timetuple()) * 1000) + (dt.microsecond / 1000)


def get_kinds_filter(kinds):
  """ Given a list of kinds, return the set of kinds not that are not part of that list.
      i.e Returns the list of kinds to be filtered out. """
  kind_map = model.log.get_log_entry_kinds()
  kind_map = {key: kind_map[key] for key in kind_map if not isinstance(key, int)}
  return [kind_name for kind_name in kind_map if kind_name not in kinds]