#!/usr/bin/env python3
"""
env_config → env_config(공통) + config_{전략} 분리 마이그레이션.

1) config_scalp / config_short / config_momentum / config_breakout / config_updow 테이블 생성·컬럼 보강
2) 기존 env_config 최신 행 + env_config_ext 값을 테이블별로 INSERT
3) 공통 키만 env_config 에 새 스냅샷 INSERT

실행:
  cd ~/kis_bot && python3 -m kis_trader.scripts.migrate_split_env_config
"""
from __future__ import annotations

import sys
from pathlib import Path

_ROOT = Path(__file__).resolve().parents[2]
if str(_ROOT) not in sys.path:
    sys.path.insert(0, str(_ROOT))

from config_schema import CONFIG_TABLE_NAMES, classify_config_key  # noqa: E402
from database import (  # noqa: E402
    CONFIG_TABLE_KEYS,
    ENV_CONFIG_KEYS,
    TradeDB,
)


def _load_legacy_flat(db: TradeDB) -> dict:
    """기존 fat env_config 1행 + env_config_ext."""
    flat = {}
    try:
        row = db.conn.execute(
            "SELECT * FROM env_config ORDER BY id DESC LIMIT 1"
        ).fetchone()
        if row:
            rk = row.keys() if hasattr(row, "keys") else []
            for k in ENV_CONFIG_KEYS:
                if k in rk and row[k] is not None and str(row[k]).strip() != "":
                    flat[k] = str(row[k])
    except Exception as e:
        print(f"legacy env_config 읽기 실패: {e}")
    try:
        ext = db.conn.execute(
            "SELECT env_key, env_value FROM env_config_ext"
        ).fetchall()
        for er in ext or []:
            ek = er["env_key"] if isinstance(er, dict) else er[0]
            ev = er["env_value"] if isinstance(er, dict) else er[1]
            if ek:
                flat[str(ek)] = "" if ev is None else str(ev)
    except Exception:
        pass
    return flat


def main() -> int:
    db = TradeDB()
    db._migrate_config_table_columns()

    flat = _load_legacy_flat(db)
    if not flat:
        merged = db.get_merged_env_snapshot()
        if merged:
            flat = dict(merged)
    if not flat:
        print("❌ 마이그레이션할 env 데이터 없음")
        db.close()
        return 1

    print(f"소스 키 {len(flat)}개 → 테이블별 INSERT")
    eid = db.insert_env_snapshot(flat)
    if not eid:
        print("❌ insert_env_snapshot 실패")
        db.close()
        return 1

    snap = db.get_merged_env_snapshot()
    print(f"\n✅ 완료 env_config id={eid}")
    print(f"병합 snapshot 키 수: {len(snap)}")
    for tbl in CONFIG_TABLE_NAMES:
        n = len(CONFIG_TABLE_KEYS.get(tbl, ()))
        filled = sum(1 for k in CONFIG_TABLE_KEYS.get(tbl, ()) if snap.get(k))
        print(f"  {tbl}: 컬럼 {n} / 값 있음 {filled}")

    checks = [
        "KIS_APP_KEY_REAL",
        "SCALP_STOP_LOSS_PCT",
        "TAIL_ATR_TP_MAX_PCT",
        "SHOULDER_MIN_HIGH_PCT",
        "MOMENTUM_SLOT_MONEY",
        "UPDOW_MAX_BUY_AMOUNT",
        "SELL_USE_ORDERBOOK_ON_PROFIT",
    ]
    print("\n검증:")
    for k in checks:
        tbl = classify_config_key(k)
        print(f"  {k} [{tbl}] = {snap.get(k, '(없음)')}")

    db.close()
    return 0


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