# Copyright (c) 2025-2026 马建军. All rights reserved.
# 专有软件 — 未经授权禁止复制、传播、转售。
# 严禁用于：带单/代客理财、向他人推荐期货品种或买卖建议、融资配资等业务。
# 详见 LICENSE.zh-CN.txt 与 docs/软件购买与使用协议.md

"""顶栏导航项显示开关（系统设置）。"""
from __future__ import annotations

import json
from typing import Callable

# 可在系统设置中开关的导航项
NAV_TOGGLES: dict[str, str] = {
    "fees": "手续费配置",
    "plans": "开单计划",
    "market": "行情K线",
    "strategy": "策略交易",
}

DEFAULT_NAV: dict[str, bool] = {k: True for k in NAV_TOGGLES}


def get_nav_items(get_setting: Callable[[str, str], str]) -> dict[str, bool]:
    raw = (get_setting("nav_items", "") or "").strip()
    out = dict(DEFAULT_NAV)
    if not raw:
        return out
    try:
        data = json.loads(raw)
        if isinstance(data, dict):
            for k in NAV_TOGGLES:
                if k in data:
                    out[k] = bool(data[k])
    except json.JSONDecodeError:
        pass
    return out


def save_nav_items(set_setting: Callable[[str, str], None], items: dict[str, bool]) -> None:
    merged = dict(DEFAULT_NAV)
    for k in NAV_TOGGLES:
        if k in items:
            merged[k] = bool(items[k])
    set_setting("nav_items", json.dumps(merged, ensure_ascii=False))


def nav_enabled(get_setting: Callable[[str, str], str], key: str) -> bool:
    if key not in NAV_TOGGLES:
        return True
    return get_nav_items(get_setting).get(key, True)