#!/usr/bin/env python3

# Libervia XMPP
# Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

class JSProxy:
    def __init__(self):
        self._module = None

    @property
    def js_module(self):
        return self._module

    @js_module.setter
    def js_module(self, module):
        if self._module is not None:
            raise Exception("Module is already set!")
        self._module = module

    def __getattr__(self, name):
        if self._module is None:
            raise RuntimeError("The module has not been loaded yet")
        return getattr(self._module, name)

    def __call__(self, *args):
        if self._module is None:
            raise RuntimeError("The module has not been loaded yet")
        return self._module(*args)