"""Prune — Alte/archivierte Daten entfernen."""

import logging
import time
from pathlib import Path

from hermes_memory.config import load_config
from hermes_memory.tier2.schema import connect

logger = logging.getLogger(__name__)


def run_prune(profile: str = "default") -> dict:
    """Entfernt archivierte Fakten und alte Embeddings."""
    config = load_config(profile)
    db_path = Path(config["tier2"]["db_path"].format(
        HERMES_HOME=Path.home() / ".hermes",
        profile=profile,
    ))
    conn = connect(db_path)
    now = time.time()
    ttl = config["limits"]["fact_ttl_days"] * 86400

    # Archivierte Fakten älter als TTL löschen
    cur = conn.execute(
        "DELETE FROM facts WHERE is_archived = 1 AND updated_at < ?",
        (now - ttl,),
    )
    deleted_facts = cur.rowcount

    # Verarbeitete Queue-Einträge älter als 7 Tage löschen
    cur = conn.execute(
        "DELETE FROM embedding_queue WHERE processed = 1 AND queued_at < ?",
        (now - 7 * 86400,),
    )
    deleted_queue = cur.rowcount

    conn.commit()
    logger.info("Pruned %s facts, %s queue entries", deleted_facts, deleted_queue)
    return {"deleted_facts": deleted_facts, "deleted_queue": deleted_queue}