# Copyright (C) 2024–present  Loren Eteval & contributors <loren.eteval@proton.me>
#
# This file is part of Furious.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

"""Expose official backend plugin types without importing runtimes eagerly."""

from __future__ import annotations

__all__ = ['OFFICIAL_PLUGIN_TYPES']


def __getattr__(name: str):
    """Load official plugin types only when the application requests them."""
    if name != 'OFFICIAL_PLUGIN_TYPES':
        raise AttributeError(name)

    from .Hysteria1.Plugin import Hysteria1Plugin
    from .Hysteria2.Plugin import Hysteria2Plugin
    from .ExternalCore.Plugin import ExternalCorePlugin
    from .Xray.Plugin import XrayPlugin

    pluginTypes = (
        XrayPlugin,
        Hysteria1Plugin,
        Hysteria2Plugin,
        ExternalCorePlugin,
    )
    globals()[name] = pluginTypes

    return pluginTypes