from controllers.base import Controller
from engine.record import Record
from resources import types
from resources.base import SYSTEM
from controllers.rules import Rules
from controllers.marks import action

SENDERS: dict = {}


def sender(record: Record) -> str:
    key = (str(record.root), record.env)
    if key in SENDERS:
        return SENDERS[key]
    from controllers.environments import Environments
    place = Environments(record, actor=SYSTEM).rows.by_title(record.env)
    if place is None:
        return ""
    SENDERS[key] = place.launched_from if place.helping else ""
    return SENDERS[key]


class Facts(Controller):
    resource = types.Fact

    def _also(self) -> list:
        sent_from = sender(self.record)
        return Facts(Record(self.record.root, sent_from), actor=SYSTEM).rows.standing() if sent_from else []

    @action
    def promote(self, n: int):
        return self._carried(n, Rules(self.record, actor=self.actor), "promoted to")