from __future__ import annotations

from pathlib import Path
import json
import os
import sys

ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from src.services.decision import DecisionPacketService


def main(env=None) -> int:
    env = os.environ if env is None else env
    instrument_id = int(env.get("DECISION_PACKET_INSTRUMENT_ID", "1"))
    output_json = _get_bool(env, "DECISION_PACKET_OUTPUT_JSON", False)
    payload = DecisionPacketService().build_persist_and_alert(instrument_id=instrument_id)
    if output_json:
        print(json.dumps(payload, ensure_ascii=False, sort_keys=True))
    else:
        print(f"Decision packet: {payload.get('status')} / {payload.get('action_recommendation')}")
        print(f"Why blocked: {', '.join(payload.get('why_blocked') or []) or 'none'}")
    return 0


def _get_bool(env, key: str, default: bool = False) -> bool:
    value = env.get(key)
    if value is None or value == "":
        return default
    return str(value).strip().lower() in {"1", "true", "yes", "on"}


if __name__ == "__main__":
    raise SystemExit(main())