"""中控台持仓：一键保本（成交价 ± 偏移%）。"""
from typing import Any, Callable, Optional, Tuple


def calc_manual_breakeven_stop(direction: str, entry_price: float, offset_pct: float) -> Optional[float]:
    try:
        e = float(entry_price)
        pct = float(offset_pct)
    except (TypeError, ValueError):
        return None
    if e <= 0 or pct < 0:
        return None
    direction = (direction or "long").strip().lower()
    if direction == "short":
        return e * (1.0 - pct / 100.0)
    return e * (1.0 + pct / 100.0)


def apply_order_manual_breakeven(
    row: Any,
    offset_pct: float,
    *,
    calc_stop_fn: Callable[..., Optional[float]],
    round_price_fn: Callable[[str, float], Any],
    resolve_ex_sym_fn: Callable[[Any], str],
    get_position_fn: Callable[[str, str], Any],
    replace_tpsl_fn: Callable[[Any, float, float], None],
    entry_price_key: str = "trigger_price",
) -> Tuple[bool, Optional[str], Optional[float]]:
    if (row["status"] or "").strip() != "active":
        return False, "持仓已结束", None
    entry = float(row[entry_price_key] or 0)
    if entry <= 0:
        return False, "缺少有效成交价", None
    direction = (row["direction"] or "long").lower()
    take_profit = float(row["take_profit"] or 0)
    if take_profit <= 0:
        return False, "缺少有效止盈价，无法更新交易所委托", None
    ex_sym = resolve_ex_sym_fn(row)
    pos = get_position_fn(ex_sym, direction)
    if pos is None or float(pos) <= 0:
        return False, "交易所当前无该方向持仓", None
    new_sl_raw = calc_stop_fn(direction, entry, offset_pct)
    if new_sl_raw is None:
        new_sl_raw = calc_manual_breakeven_stop(direction, entry, offset_pct)
    if new_sl_raw is None:
        return False, "保本价计算失败", None
    new_sl = round_price_fn(ex_sym, new_sl_raw)
    if new_sl is None:
        return False, "保本价经交易所精度舍入后无效", None
    new_sl = float(new_sl)
    cur_sl = float(row["stop_loss"] or 0)
    if direction == "long":
        if cur_sl > 0 and new_sl <= cur_sl:
            return False, f"新止损 {new_sl} 未高于当前止损 {cur_sl}（多仓需上移）", None
    else:
        if cur_sl > 0 and new_sl >= cur_sl:
            return False, f"新止损 {new_sl} 未低于当前止损 {cur_sl}（空仓需下移）", None
    try:
        replace_tpsl_fn(row, new_sl, take_profit)
    except Exception as e:
        return False, str(e), None
    return True, None, new_sl