from shared.db import current_week, get_form_status, set_form_status


def _dispatch_job(payload: dict) -> None:
    from server.jobs import enqueue_job

    enqueue_job(payload)


def lambda_handler(event, context):
    # Scheduler fires Thursday 23:59 America/New_York. Do not skip on wall
    # clock: a delayed SQS delivery must still close the week. already-closed
    # is the idempotency gate for redelivery.
    week = event.get("week", current_week())

    status = get_form_status(week)
    if status == "closed":
        return {"status": "already_closed", "week": week}

    set_form_status(week, "closed")

    _dispatch_job({"event": "aggregate", "week": week})

    return {"status": "closed", "week": week, "aggregate_triggered": True}