#!/usr/bin/python3

# Copyright (C) 2007-2010 www.stani.be
#
# 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 http://www.gnu.org/licenses/

import platform
import os
import sysconfig

from gi.repository import Gio, GObject


class CManager:
    def __init__(self):
        self.extension_point = Gio.io_extension_point_register ("cinnamon-control-center-1")
        self.modules = []

        # get the arch-specific triplet, e.g. 'x86_64-linux-gnu' or 'arm-linux-gnueabihf'
        # see also: https://wiki.debian.org/Python/MultiArch
        triplet = sysconfig.get_config_var('MULTIARCH')
        paths = ["/usr/lib", "/usr/lib64", f"/usr/lib/{triplet}"]

        # On x86 archs, iterate through multiple paths
        # For instance, on a Mint i686 box, the path is actually /usr/lib/i386-linux-gnu
        architecture = platform.machine()
        x86archs = ["i386", "i486", "i586", "i686"]
        if architecture in x86archs:
            for arch in x86archs:
                paths += [f"/usr/lib/{arch}"]
        else:
            paths += [f"/usr/lib/{architecture}"]

        for path in paths:
            if not os.path.islink(path):
                path = os.path.join(path, "cinnamon-control-center-1/panels")
                if os.path.exists(path):
                    try:
                        self.modules = self.modules + Gio.io_modules_load_all_in_directory(path)
                    except Exception as e:
                        print(f"capi failed to load multiarch modules from {path}: ", e)

    def get_c_widget(self, mod_id):
        extension = self.extension_point.get_extension_by_name(mod_id)
        if extension is None:
            print(f"Could not load {mod_id} module; is the cinnamon-control-center package installed?")
            return None
        panel_type = extension.get_type()
        return GObject.new(panel_type)

    def lookup_c_module(self, mod_id):
        extension = self.extension_point.get_extension_by_name(mod_id)
        if extension is None:
            print(f"Could not find {mod_id} module; is the cinnamon-control-center package installed?")
            return False
        else:
            return True
