#!${MODPY_BIN}

"""Comix - GTK Comic Book Viewer

Copyright (C) 2005-2009 Pontus Ekberg
<herrekberg@users.sourceforge.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
# -------------------------------------------------------------------------

import os
import sys
import gettext
import getopt

# add path for comix python modules
sys.path.insert(0, '${PREFIX}/share/comix/src')

import constants
import deprecated
import filehandler
import locale
import main
import icons
import preferences

#Check for PyGTK and PIL dependencies.
try:
    import pygtk
    pygtk.require('2.0')
    import gtk
    assert gtk.gtk_version >= (2, 12, 0)
    assert gtk.pygtk_version >= (2, 12, 0)
except AssertionError:
    print "You don't have the required versions of GTK+ and/or PyGTK",
    print 'installed.'
    print 'Installed GTK+ version is: %s' % (
        '.'.join([str(n) for n in gtk.gtk_version]))
    print 'Required GTK+ version is: 2.12.0 or higher\n'
    print 'Installed PyGTK version is: %s' % (
        '.'.join([str(n) for n in gtk.pygtk_version]))
    print 'Required PyGTK version is: 2.12.0 or higher'
    sys.exit(1)
except ImportError:
    print 'PyGTK version 2.12.0 or higher is required to run Comix.'
    print 'No version of PyGTK was found on your system.'
    sys.exit(1)

try:
    import Image
    assert Image.VERSION >= '1.1.5'
except AssertionError:
    print "You don't have the required version of the Python Imaging",
    print 'Library (PIL) installed.'
    print 'Installed PIL version is: %s' % Image.VERSION
    print 'Required PIL version is: 1.1.5 or higher'
    sys.exit(1)
except ImportError:
    print 'Python Imaging Library (PIL) 1.1.5 or higher is required.'
    print 'No version of the Python Imaging Library was found on your',
    print 'system.'
    sys.exit(1)


def print_help():
    """Print the command-line help text and exit."""
    print 'Usage:'
    print '  comix [OPTION...] [PATH]'
    print '\nView images and comic book archives.\n'
    print 'Options:'
    print '  -h, --help              Show this help and exit.'
    print '  -f, --fullscreen        Start the application in fullscreen mode.'
    print '  -l, --library           Show the library on startup.'
    sys.exit(1)


def run():
    """Run the program."""
    # Use gettext translations as found in the source dir, otherwise based on
    # the install path.
    exec_path = os.path.abspath(sys.argv[0])
    base_dir = os.path.dirname(os.path.dirname(exec_path))
    if os.path.isdir(os.path.join(base_dir, 'messages')):
        gettext.install('comix', os.path.join(base_dir, 'messages'),
            unicode=True)
    else:
        gettext.install('comix', os.path.join(base_dir, 'share/locale'),
            unicode=True)

    fullscreen = False
    show_library = False
    open_path = None
    open_page = 1
    try:
        opts, args = getopt.gnu_getopt(sys.argv[1:], 'fhl',
            ['fullscreen', 'help', 'library'])
    except getopt.GetoptError:
        print_help()
    for opt, value in opts:
        if opt in ('-h', '--help'):
            print_help()
        elif opt in ('-f', '--fullscreen'):
            fullscreen = True
        elif opt in ('-l', '--library'):
            show_library = True

    if not os.path.exists(constants.DATA_DIR):
        os.makedirs(constants.DATA_DIR, 0700)
    if not os.path.exists(constants.CONFIG_DIR):
        os.makedirs(constants.CONFIG_DIR, 0700)
    deprecated.move_files_to_xdg_dirs()
    preferences.read_preferences_file()
    icons.load_icons()
    
    if len(args) >= 1:
        param_path = os.path.abspath(args[0])
        if os.path.isdir(param_path):
            dir_files = os.listdir(param_path)
            dir_files.sort(locale.strcoll)
            for filename in dir_files:
                full_path = os.path.join(param_path, filename)
                if filehandler.is_image_file(full_path):
                    open_path = full_path
                    break
        else:
            open_path = param_path
    elif preferences.prefs['auto load last file']:
        open_path = preferences.prefs['path to last file']
        open_page = preferences.prefs['page of last file']
    
    window = main.MainWindow(fullscreen=fullscreen, show_library=show_library,
        open_path=open_path, open_page=open_page)
    deprecated.check_for_deprecated_files(window)
    try:
        gtk.main()
    except KeyboardInterrupt: # Will not always work because of threading.
        window.terminate_program()


if __name__ == '__main__':
    run()
