"""
淡化 Playwright 启动时的自动化指纹，减轻 Google 账号页「此浏览器或应用可能不安全」类拦截。

关闭：环境变量 OPENCLAW_PLAYWRIGHT_STEALTH=0（或 false/off/no）。
"""

from __future__ import annotations

import os

STEALTH_INIT_SCRIPT = """
(() => {
  try {
    Object.defineProperty(navigator, "webdriver", { get: () => undefined });
  } catch (e) {}
})();
"""


def stealth_enabled() -> bool:
    v = (os.environ.get("OPENCLAW_PLAYWRIGHT_STEALTH") or "1").strip().lower()
    return v not in ("0", "false", "no", "off")


def persistent_context_launch_parts(
    *,
    extra_args: list[str] | None = None,
) -> tuple[list[str], list[str] | None]:
    """
    返回 (args, ignore_default_args)。
    ignore_default_args 为 None 时不应传给 launch_persistent_context。
    """
    args = ["--start-maximized"]
    if extra_args:
        args = args + list(extra_args)
    if not stealth_enabled():
        return args, None
    if "--disable-blink-features=AutomationControlled" not in args:
        args.append("--disable-blink-features=AutomationControlled")
    return args, ["--enable-automation"]