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.alerts import OperatorDigestService


def main(env=None) -> int:
    env = os.environ if env is None else env
    instrument_id = int(env.get("OPERATOR_DIGEST_INSTRUMENT_ID", "1"))
    alert_limit = int(env.get("OPERATOR_DIGEST_LIMIT", "50"))
    visual_limit = int(env.get("OPERATOR_DIGEST_VISUAL_LIMIT", "50"))
    top_limit = int(env.get("OPERATOR_DIGEST_TOP_LIMIT", "10"))
    output_json = _get_bool(env, "OPERATOR_DIGEST_OUTPUT_JSON", False)
    payload = OperatorDigestService().build_digest(
        instrument_id=instrument_id,
        alert_limit=alert_limit,
        visual_review_limit=visual_limit,
        top_limit=top_limit,
    )

    if output_json:
        print(json.dumps(payload, ensure_ascii=False, sort_keys=True, default=str))
    else:
        counts = dict(payload.get("summary_counts") or {})
        print(f"Operator digest status: {payload.get('status', 'unknown')}")
        print(payload.get("operator_summary") or "Operator digest unavailable.")
        print(
            "Alerts / suppressed / failed-retry / visual mismatches / pending feedback: "
            f"{counts.get('recent_alert_count', 0)} / "
            f"{counts.get('suppressed_delivery_count', 0)} / "
            f"{counts.get('failed_or_retry_delivery_count', 0)} / "
            f"{counts.get('visual_mismatch_count', 0)} / "
            f"{counts.get('pending_feedback_count', 0)}"
        )
        print(f"Review queue items: {len(payload.get('review_queue') or [])}")
        for item in payload.get("review_queue") or []:
            print(
                f"- {item.get('priority', 'unknown')} {item.get('queue_type', 'unknown')} "
                f"alert={item.get('alert_id', 'n/a')} review={item.get('visual_review_id', 'n/a')} "
                f"reason={item.get('reason', 'n/a')}"
            )
        if payload.get("warnings"):
            print(f"Warnings: {', '.join(payload.get('warnings') or [])}")
    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())