"""全局系统配置存储（sqlite settings 表，覆盖所有平台）。"""
import sqlite3
from pathlib import Path

from conf import BASE_DIR

_DB_PATH = Path(BASE_DIR / "db" / "database.db")


def _ensure_table(conn):
    conn.execute("CREATE TABLE IF NOT EXISTS settings (key TEXT PRIMARY KEY, value TEXT)")


def get_setting(key: str, default=None):
    try:
        with sqlite3.connect(_DB_PATH) as conn:
            _ensure_table(conn)
            cur = conn.cursor()
            cur.execute("SELECT value FROM settings WHERE key = ?", (key,))
            row = cur.fetchone()
            return row[0] if row else default
    except Exception:
        return default


def get_bool(key: str, default: bool = False) -> bool:
    val = get_setting(key, None)
    if val is None:
        return default
    return str(val).lower() in ("1", "true", "yes", "on")


def set_setting(key: str, value) -> None:
    with sqlite3.connect(_DB_PATH) as conn:
        _ensure_table(conn)
        conn.execute("INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)", (key, str(value)))
        conn.commit()