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

# Mitter, a Maemo client for Twitter.
# Copyright (C) 2007, 2008  Julio Biason
#
# 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/>.

import time
import urllib
import os
import logging
import warnings

import mitterlib.network as network

from mitterlib.configopt import ConfigOpt
from mitterlib.network import Networks
from mitterlib.ui import Interfaces

log = logging.getLogger('mitter')


def main():
    """Main function."""

    # options

    options = ConfigOpt()
    options.add_group('General', 'General options')
    options.add_option('-d', '--debug',
            group='General',
            option='debug',
            action='store_true',
            help='Display debugging information.',
            default=False,
            is_config_option=False)
    options.add_option('-i', '--interface',
            group='General',
            option='interface',
            default=None,
            metavar='INTERFACE',
            help='Interface to be used.')

    # Start the network manager (which will add the network options)
    connection = Networks(options)

    # Start the interface manager and make interfaces add their options to the
    # command line
    interfaces = Interfaces(options)
    interfaces.options()

    # Parse the command line options and the config file
    options()

    # start the logging service
    if options['General']['debug']:
        logging.basicConfig(level=logging.DEBUG)
    else:
        logging.basicConfig(level=logging.INFO)
    log = logging.getLogger('mitter')

    # disable the warnings. Interfaces may choose to receive the warnings
    # changing the filter to "error"
    warnings.simplefilter('ignore')

    # select an interface (preferably, the one the user selected in the
    # command line)
    preferred_interface = options['General']['interface']
    log.debug('Config interface: %s', preferred_interface)

    if 'interface' in options.conflicts:
        preferred_interface = options.conflicts['interface']
        log.debug('Command line interface: %s', preferred_interface)

    # load the module with the selected interface (or pick one for the user if
    # they don't chose anything.)
    display = interfaces.load(connection, preferred_interface)
    if display is None:
        log.error('Sorry, no interface could be found for your system')
        return

    # display the interface (the interface should take care of updating
    # itself)
    display()
    options.save()

if __name__ == '__main__':
    main()