"""Tool helpers.

This package contains wrappers around external tools (e.g. yt-dlp) so cmdlets can share
common defaults (cookies, timeouts, format selectors) and users can override them via
`config.conf`.
"""
from __future__ import annotations

# Lazy-loaded to avoid pulling in yt_dlp, playwright, and their heavy transitive
# dependencies (~1–2 s) at package import time. Each submodule is loaded only when
# a name from it is first accessed through this package namespace.

__all__ = [
    "YtDlpTool",
    "YtDlpDefaults",
    "PlaywrightTool",
    "PlaywrightDefaults",
    "FlorenceVisionTool",
    "FlorenceVisionDefaults",
]

_MODULE_ATTRS = {
    "YtDlpTool": ".ytdlp",
    "YtDlpDefaults": ".ytdlp",
    "PlaywrightTool": ".playwright",
    "PlaywrightDefaults": ".playwright",
    "FlorenceVisionTool": ".florencevision",
    "FlorenceVisionDefaults": ".florencevision",
}


def __getattr__(name: str) -> object:
    submod = _MODULE_ATTRS.get(name)
    if submod is None:
        raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
    from importlib import import_module
    mod = import_module(submod, package=__name__)
    obj = getattr(mod, name)
    # Cache on this module so subsequent accesses bypass __getattr__.
    globals()[name] = obj
    return obj