#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
#  main.py
#
#  Copyright 2015 Elia Argentieri <elia.argentieri@openmailbox.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 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, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.


import pygame
import argparse
import traceback
import logging
import os
import sys
import gettext

import utils
import resources

os.chdir(os.path.dirname(os.path.abspath(__file__)))

VERSION = utils.get_version()

# Gettext work around for Windows
if sys.platform.startswith('win'):
    logging.debug('Windows detected')
    import locale

    if os.getenv('LANG') is None:
        logging.debug('Windows did not provide the LANG environment variable.')
        lang, enc = locale.getdefaultlocale()
        os.environ['LANG'] = lang
        logging.debug('Language: %s' % lang)
gettext.install('ice-emblem', resources.LOCALE_PATH)  # load translations

# command-line argument parsing
parser = argparse.ArgumentParser(description=_('Ice Emblem, the free software clone of Fire Emblem'))
parser.add_argument('--version', action='version', version='Ice Emblem ' + VERSION)
parser.add_argument('-s', '--skip', action='store_true', help=_('Skip main menu'), required=False)
parser.add_argument('-m', '--map', action='store', help=_('Which map to load'), default=None, required=False)
parser.add_argument('-l', '--logging', action='store', help=_('Choose logging level'), default=20, type=int,
                    required=False)
parser.add_argument('-d', '--debug', action='store_const', help=_('Debug mode'), const=0, dest='logging')
parser.add_argument('-f', '--file', action='store', help=_('Log file'), default=None, required=False)
args = parser.parse_args()

# log to screen
logging.basicConfig(level=args.logging, filename=args.file, filemode='a')
logging.info(_('Welcome to %s!') % ('Ice Emblem ' + VERSION))
logging.info(_('You are using Pygame version %s.') % pygame.version.ver)
if pygame.version.vernum < (2, 0, 0):
    logging.warning(_('You are running a version of Pygame that might be outdated.'))
    logging.warning(_('Ice Emblem is tested only with Pygame 2.0.0+.'))


def launch():
    import display

    display.initialize()

    import game

    map_file = None
    if args.map is not None:
        map_file = resources.map_path(args.map)
        logging.debug(_('Loading map: %s') % map_file)
    elif args.skip:
        map_file = resources.map_path('default.tmx')
        logging.debug(_('Loading default map: %s') % map_file)
    else:
        logging.debug(_('No map on command line: choose the map via the main menu'))

    game.play(map_file)


if args.logging < 20:
    # When in debug mode launch without kind error message
    launch()
else:
    try:
        launch()
    except (KeyboardInterrupt, SystemExit):
        # game was interrupted by the user
        print(_("Interrupted by user, exiting."))

        # we're not playing anymore, go away
        utils.return_to_os()

    except:
        # other error
        kind_error_message = _("Oops, something went wrong. Dumping brain contents:\n"
                               "\n"
                               "%s\n"
                               "%s\n"
                               "%s\n"
                               "\n"
                               "Please open a report on our issue tracker located at %s\n"
                               "along with a short description of what you did when this crash happened\n"
                               "so that the error can be fixed.\n"
                               "\n"
                               "Thank you!\n"
                               "-- the Ice Emblem team\n"
                               ) % ('-' * 80 + '\n', traceback.format_exc(), '-' * 80,
                                    "https://gitlab.com/Elinvention/ice-emblem/issues")

        print(kind_error_message)

        fname = args.file if args.file else "traceback.log"
        with open(fname, 'a') as f:
            traceback.print_exc(file=f)
            f.write('\n' + '-' * 80 + '\n\n')

        # we're not playing anymore, go away
        utils.return_to_os()

# we got here, so everything was normal
print()
print("-" * 80)
print(_("Game terminated normally."))

utils.return_to_os()