#!/usr/bin/python3
# -*- coding: utf-8 -*-

import os
import sys
import logging
from configparser import ConfigParser
from hackbot import HackBot


# Setup logging.
format_string = '%(levelname)-8s %(message)s'
logging.basicConfig(level=logging.WARNING, format=format_string)

def setup_config(default_config, config_file, config):
    '''
    param 1: dictionary
    param 1: string
    param 2: configparser object
    returns: configparser object oder false
    '''
    config.read_dict(default_config)
    if not config.read(config_file):
        logging.error('Config file {} not found or not readable'.format\
                      (config_file))
        return False
    return config

def display_setup(config):
    '''
    param 1: configparser object
    '''
    for section in config.sections():
        print('Section: {}'.format(section))
        for key, value in config.items(section):
            print('\t{}: {}'.format(key, value))
        print('\n', end='')

def run_hackbot():
    '''
    Configure and starts logging and hackbot.
    '''
    log_levels = ('critical', 'error', 'warning', 'info', 'debug')
    config_file = './hackbot.conf'
    default_config = {
        'settings': {
            'loglevel': 'warning',
            'plugindir': '.'
        },
        'jabber': {
            'jid': '',
            'password': '',
            'room': '',
            'nick': ''
        }
    }
    config = ConfigParser()
    config = setup_config(default_config, config_file, config)

    if config is False:
        sys.exit()

    logger = logging.getLogger()
    if not config['settings']['loglevel'] in log_levels:
        logging.warning('Invalid loglevel given: {} Use default level: {}'.\
                        format(config['settings']['loglevel'],
                               default_config['settings']['loglevel']))
        config.set('settings', 'loglevel', \
                   default_config['settings']['loglevel'])
    logger.setLevel(config['settings']['loglevel'].upper())

    xmpp = HackBot(config['jabber']['jid'],
                   config['jabber']['password'],
                   config['jabber']['room'],
                   config['jabber']['nick'],
                   config['settings']['plugindir'])
    xmpp.run()


if __name__ == '__main__':
    run_hackbot()