#!/usr/bin/env python3
"""EL-KADI Home Security Agent — autonome loop."""
import os
import sys
import time
from pathlib import Path

# Package root on path
ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT))

from dotenv import load_dotenv

load_dotenv(ROOT / ".env")

from agent.brain import decide, should_notify
from agent.observer import load_yaml, run_observation
from agent.pg_store import (
    persist_incident as pg_record_incident,
    persist_observation,
    was_notified_recently_pg,
)
from agent.state import log_run, record_incident, was_notified_recently
from agent.telegram_notify import format_alert, send_message


def _record_incident(
    run_id,
    fingerprint: str,
    severity: str,
    title: str,
    body: str,
    notified: bool,
) -> None:
    record_incident(fingerprint, severity, title, body, notified)
    pg_record_incident(run_id, fingerprint, severity, title, body, notified)


def run_once() -> int:
    policies = load_yaml("policies.yaml")
    report = run_observation()
    decision = decide(report)
    log_run(decision.title, report.to_dict())
    run_id = persist_observation(report, decision)

    print(f"[{report.timestamp}] {decision.severity}: {decision.title} (alert={decision.alert})")
    if run_id:
        print(f"  → PostgreSQL run #{run_id}")

    if not should_notify(decision, policies):
        if decision.alert:
            _record_incident(run_id, decision.fingerprint, decision.severity, decision.title, decision.body, False)
        return 0

    dedupe = int(policies.get("dedupe_minutes", 30))
    if was_notified_recently(decision.fingerprint, dedupe) or was_notified_recently_pg(
        decision.fingerprint, dedupe
    ):
        print(f"  dedupe skip ({decision.fingerprint})")
        return 0

    text = format_alert(decision.severity, decision.title, decision.body, decision.actions)
    if send_message(text):
        _record_incident(run_id, decision.fingerprint, decision.severity, decision.title, decision.body, True)
        print("  → Telegram verzonden")
        return 0

    print("  → Telegram mislukt (check TELEGRAM_BOT_TOKEN / TELEGRAM_CHAT_ID)")
    _record_incident(run_id, decision.fingerprint, decision.severity, decision.title, decision.body, False)
    return 1


def main():
    if len(sys.argv) > 1 and sys.argv[1] == "once":
        sys.exit(run_once())

    policies = load_yaml("policies.yaml")
    interval = int(policies.get("interval_seconds", 300))
    print(f"EL-KADI Security Agent — loop elke {interval}s (Ctrl+C stop)")
    while True:
        try:
            run_once()
        except KeyboardInterrupt:
            raise
        except Exception as e:
            print(f"run error: {e}")
        time.sleep(interval)


if __name__ == "__main__":
    main()