"""Record event log message."""

from auditlogger.event import Event


class RecordEvent(Event):
    """Represent a record event."""

    RECORD_EVENTS = ["create", "update", "delete"]
    ES_INDEX = "record-event"
    OS_INDEX = "record_event"

    def __init__(self, target_type, target_id, event_name, changeset,
                 user_type, user_id):
        """Return the event.

        Args:
            target_type (str): The name of the model.
            target_id (str): The ID for the model.
            event_name (str): One of the known record events.
            changeset (dict): A dict containing
                dicts under the keys "original" and "updated".
            user_type (str): The type of user.
            user_id (str): The unique ID of the user of this type.
        """
        if event_name not in self.RECORD_EVENTS:
            raise Exception("unexpected record event: {}".format(event_name))

        super().__init__()
        self.data["target_type"] = target_type
        self.data["target_id"] = target_id
        self.data["event_name"] = event_name
        self.data["changeset"] = changeset
        self.data["user_type"] = user_type
        self.data["user_id"] = user_id