#!/usr/bin/env python3
"""
Heartbeat-Task für Second Brain - isoliert, persistent.
"""

import json
import os
import sys
from pathlib import Path
from datetime import datetime, timezone

BRAIN_DIR = Path("/root/.openclaw/workspace/second-brain")
sys.path.insert(0, str(BRAIN_DIR))

from src.engram import Engram, Grounding
from src.store import EngramStore

def main():
    output_file = os.environ.get("CRON_OUTPUT_FILE", "/tmp/heartbeat_result.json")
    brain_db = os.environ.get("BRAIN_DB", str(BRAIN_DIR / "data" / "brain.sqlite"))
    store = EngramStore(brain_db)

    egs = store.get_all(limit=50)
    unconfirmed = [eg for eg in egs if not eg.correctness.confirmed and eg.compute_confidence() > 0.5][:5]
    errors = store.search_tag("error", limit=5)

    result = {
        "timestamp": datetime.now(timezone.utc).isoformat(),
        "total_engrams": len(egs),
        "unconfirmed_count": len(unconfirmed),
        "error_count": len(errors),
        "has_action": bool(unconfirmed) or len(errors) >= 3,
        "message": None,
    }

    if unconfirmed:
        contents = "\n".join([f"  - {eg.content[:80]}" for eg in unconfirmed])
        result["message"] = f"🧠 Unbestätigte Engramme:\n{contents}"
    elif len(errors) >= 3:
        result["message"] = f"⚠️ {len(errors)} Fehler-Engramme gespeichert."

    Path(output_file).write_text(json.dumps(result, indent=2))
    print(f"HEARTBEAT: {result['unconfirmed_count']} unconfirmed, {result['error_count']} errors")
    return 0

if __name__ == "__main__":
    sys.exit(main())