# coding: utf-8

import sys
import os
import ConfigParser
from .logger import logging

default_file = '/etc/sws/cloud/node.ini'

settings_file = os.getenv('CLOUD_SETTINGS_FILE', default_file)

# setting file read
settings = ConfigParser.ConfigParser()
if os.path.exists(settings_file):
    settings.read(settings_file)

    if not settings.has_section('server'):
        logging.error("No section: 'server'")
        sys.exit()
    if not settings.has_section('node'):
        logging.error("No section: 'node'")
        sys.exit()

    if not settings.has_option('node', 'interface'):
        logging.error("No option 'interface' in section: 'node'")
        sys.exit()
    else:
        if settings.get('node', 'interface') not in os.listdir('/sys/class/net/'):
            logging.warning('Interface not found: %s' % settings.get('node', 'interface'))
            # sys.exit()
    if not settings.has_option('node', 'sleep'):
        logging.error("No option 'sleep' in section: 'node'")
        sys.exit()

    if not settings.has_option('node', 'dir'):
        logging.error("No option 'dir' in section: 'node'")
        sys.exit()
    else:
        if not os.path.exists(settings.get('node', 'dir')):
            if not os.makedirs(settings.get('node', 'dir')):
                logging.error('Not found: %s' % settings.get('node', 'dir'))
                sys.exit()

    if not settings.has_option('node', 'sleep'):
        logging.error("No option 'sleep' in section: 'node'")
        sys.exit()

    if not settings.has_option('container', 'packages'):
        logging.error("No option 'packages' in section: 'container'")
        sys.exit()
else:
    sys.exit('settings file not found: %s' % settings_file)