#!/usr/bin/python2
# -*- coding:utf-8 -*-
# -----------------------------------------------------------------------------
# Getting Things GNOME! - A personal organizer for the GNOME desktop
# Copyright (c) 2008-2013 Lionel Dricot & Bertrand Rousseau
#
# 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/>.
# -----------------------------------------------------------------------------

""" Main script which parse arguments and launch GTG """

import sys

from optparse import OptionParser
from gtk.gdk import Screen

from GTG import info
from GTG.tools.import_liblarch import import_liblarch


def x_is_running():
    """ Return True if GTG could be displayed on the current XServer """
    try:
        if Screen().get_display():
            return True
    except RuntimeError:
        pass
    return False


def main():
    """ Parse arguments and run GTG

    Importing GTG.gtg must be done after importing and setting up paths
    for Liblarch """

    parser = OptionParser()
    parser.add_option('-b', '--boot-test', action='store_true',
                      dest='boot_test', help="Exit after completing \
                                                    boot-up actions",
                      default=False)
    parser.add_option('-c', '--no-crash-handler', action='store_true',
                      dest='no_crash_handler', help="Disable the automatic \
                                                             crash handler",
                      default=False)
    parser.add_option('-d', '--debug', action='store_true', dest='debug',
                      help="Enable debug output", default=False)
    parser.add_option('-l', '--local-liblarch', action='store_true',
                      dest='local_liblarch', default=False,
                      help="Use local liblarch located in ../liblarch if it is\
                                                                      posible")
    parser.add_option('-t', '--title', action='store',
                      help="Use special title for windows' title")
    parser.add_option('-v', '--version', action='store_true',
                      dest='print_version', help="Print GTG's version number",
                      default=False)
    (options, args) = parser.parse_args()

    if options.title is not None:
        info.NAME = options.title

    if options.print_version:
        print "GTG (Getting Things GNOME!)", info.VERSION
        print
        print "For more information:", info.URL
        sys.exit(0)

    elif not x_is_running():
        print "Could not open X display"
        sys.exit(1)

    elif import_liblarch(options.local_liblarch):
        from GTG import gtg
        sys.exit(gtg.main(options, args))

if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        sys.exit(1)
