#!/usr/bin/python3
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#  
#  Copyright (c) 2004-2012 Canonical
#                2004-2008 Michael Vogt
#                2004 Michiel Sikkes
#  
#  Author: Michiel Sikkes <michiel@eyesopened.nl>
#          Michael Vogt <mvo@debian.org>
# 
#  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 2 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, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#  USA

from __future__ import print_function

from gi.repository import Gtk
import gi
gi.require_version("Gtk", "3.0")

import os
import sys

from DistUpgrade.DistUpgradeVersion import VERSION
from DistUpgrade.DistUpgradeController import DistUpgradeController
import locale
import gettext

from optparse import OptionParser

if __name__ == "__main__":

    Gtk.init_check(sys.argv)
    Gtk.Window.set_default_icon_name("system-software-update")

    #FIXME: Workaround a bug in optparser which doesn't handle unicode/str
    #       correctly, see http://bugs.python.org/issue4391
    #       Should be resolved by Python3
    gettext.bindtextdomain("ubuntu-release-upgrader", "/usr/share/locale")
    gettext.textdomain("ubuntu-release-upgrader")
    translation = gettext.translation("ubuntu-release-upgrader", fallback=True)
    if sys.version >= '3':
        _ = translation.gettext
    else:
        _ = translation.ugettext

    try:
        locale.setlocale(locale.LC_ALL, "")
    except:
        pass

    # Begin parsing of options
    parser = OptionParser()
    parser.add_option ("-V", "--version", action="store_true",
                       dest="show_version", default=False,
                       help=_("Show version and exit"))
    parser.add_option ("--data-dir", "", 
                       default="/usr/share/ubuntu-release-upgrader/",
                       help=_("Directory that contains the data files"))
    parser.add_option ("-f", "--frontend", default="DistUpgradeViewText",
                       dest="frontend", 
                       help=_("Run the specified frontend"))

    (options, args) = parser.parse_args()

    data_dir = os.path.normpath(options.data_dir)+"/"

    if options.show_version:
        print("%s: version %s" % (os.path.basename(sys.argv[0]), VERSION))
        sys.exit(0)

    module_name = "DistUpgrade." + options.frontend
    module = __import__(module_name)
    submodule = getattr(module, options.frontend)
    view_class = getattr(submodule, options.frontend)
    view = view_class(data_dir)
    if options.frontend == "DistUpgradeViewGtk3":
        view.label_title.set_markup("<b><big>%s</big></b>" %
                                    _("Running partial upgrade"))
    controller = DistUpgradeController(view, datadir=data_dir)
    controller.doPartialUpgrade()