#!/usr/bin/env python3
"""WBS-7.6(2026-06-21) — 실거래 슬리피지 실측 캡처/비교 CLI.

사용법:
  실측 1건 기록(주문 실행은 여전히 사람이 HTS에서 수동 실행 — 이 도구는 API로
  체결을 가져오지 않는다. governance/rules/06_no_direct_api_trading.yaml 준수):
    python tools/evaluate_execution_slippage_v1.py record --ticker 005930 --side BUY \
      --intended-price 71000 --actual-price 71050 --recorded-at 2026-06-21

  누적 표본과 가정치(5bps) 비교 리포트:
    python tools/evaluate_execution_slippage_v1.py report
"""
from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

if sys.stdout.encoding and sys.stdout.encoding.lower() not in ("utf-8", "utf8"):
    sys.stdout = open(sys.stdout.fileno(), mode="w", encoding="utf-8", buffering=1)

from src.quant_engine.execution_slippage_store_v1 import (
    build_slippage_comparison_report,
    default_execution_slippage_store_path,
    insert_realized_slippage_sample,
)

OUTPUT = ROOT / "Temp" / "execution_slippage_report_v1.json"


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--db", type=Path, default=None)
    sub = parser.add_subparsers(dest="command", required=True)

    record = sub.add_parser("record")
    record.add_argument("--ticker", required=True)
    record.add_argument("--side", required=True, choices=["BUY", "SELL", "buy", "sell"])
    record.add_argument("--intended-price", type=float, required=True)
    record.add_argument("--actual-price", type=float, required=True)
    record.add_argument("--recorded-at", required=True)
    record.add_argument("--note", default=None)

    sub.add_parser("report")

    args = parser.parse_args()
    db_path = args.db or default_execution_slippage_store_path(ROOT)

    if args.command == "record":
        result = insert_realized_slippage_sample(
            db_path,
            ticker=args.ticker,
            side=args.side,
            intended_price=args.intended_price,
            actual_fill_price=args.actual_price,
            recorded_at=args.recorded_at,
            note=args.note,
        )
        print(json.dumps(result, ensure_ascii=False, indent=2))
        return 0

    report = build_slippage_comparison_report(db_path)
    OUTPUT.parent.mkdir(parents=True, exist_ok=True)
    OUTPUT.write_text(json.dumps(report, ensure_ascii=False, indent=2), encoding="utf-8")
    print(json.dumps(report, ensure_ascii=False, indent=2))
    return 0


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