#!/usr/bin/env python
# -*- coding: utf-8 -*-

#Copyright (C) Fiz Vazquez vud1@sindominio.net

#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

import sys
import os
import glob
import platform

def _max(one, two):
    '''Function to determine the max of two versions of format /xx/xxx/????-1.2.3 '''
    if one is None:
        return two
    elif two is None:
        return one
    try:
        one_v = os.path.basename(one).split('-')[1]
        two_v = os.path.basename(two).split('-')[1]
    except IndexError:
        #Got format that doesnt fit what we expect
        #Do simple comparison
        if os.path.basename(one) > os.path.basename(two):
            return one
        else:
            return two

    one_v_nos = one_v.split('.')
    two_v_nos = two_v.split('.')

    for index, no in enumerate(one_v_nos):
        if index >= len(two_v_nos):
            return one
        elif no > two_v_nos[index]:
            return one
        elif no < two_v_nos[index]:
            return two
        else:
            pass
    if len(one_v_nos) >= len(two_v_nos):
        return one
    return two


def _get_installation_paths(orig_path):
    base_path = os.path.dirname(bin_path)
    # Get the version of the running python interpreter
    ver = platform.python_version_tuple()

    if (os.path.exists(base_path + "/INSTALL")
        and os.path.exists(base_path + "/setup.py")
        and os.path.exists(base_path + "/pytrainer/main.py")
        and os.path.exists(base_path + "/locale")):
        print("running pytrainer from source path")
        site_path = base_path
        gettext_path = base_path + "/locale"
    else:
        print("running pytrainer from egg installation")
        parts = os.path.split(base_path)
        if parts[1] == 'EGG-INFO':
            base_path = parts[0]
        site_path = "%s/lib/python%s.%s/site-packages" % (base_path, ver[0], ver[1])
        gettext_path = base_path + "/share/locale"
    return gettext_path, site_path


# directory that the pytrainer script executes from e.g. /usr/bin or /usr/local/bin
bin_path = os.path.realpath(os.path.dirname(__file__))
gettext_path, site_path = _get_installation_paths(bin_path)

print("gettext_path:", gettext_path)
print("site_path:", site_path)

# ensure pytrainer directory is included in import path
sys.path.insert(0, site_path)


def main():
    import pytrainer.lib.localization
    pytrainer.lib.localization.initialize_gettext(gettext_path)
    from pytrainer.main import pyTrainer
    pytrainer = pyTrainer()


if __name__ == "__main__":
    main()
