import os

import os.path

import json

from collections import defaultdict

from datetime import datetime

from flask import current_app

from flask_mail import Mail, Message

mail = Mail()

def _send_mail(server_name, status, last_updated):

    current_app.logger.info('Try sending mail')

    try:

        msg = Message('[Ennstatus] %s went %s' % (server_name, status),

                      sender='ennstatus@enn.lu')

        msg.add_recipient(current_app.config['SERVER_ADMINS'][server_name])

        msg.body = ('%s went to %s. I received the last update at %s'

                    % (server_name, status, last_updated))

    except KeyError:

        current_app.logger.error('Admin for %s not found!' % server_name)

    except AssertionError:

        pass

    except Exception as e:

        current_app.logger.error('Unexpected error: %s' % e,

                                 exc_info=True)

    current_app.logger.info('Finished trying!')

def _check_server(data):

    server_name = data['server_name']

    last_updated = data['last_updated']

    filename = os.path.join('data', '.'.join([server_name.lower(), 'json']))

    date = datetime.strptime(last_updated, '%d-%m-%Y %H:%M:%S')

    now = datetime.utcnow()

    delta = now - date

    if delta.days >= 7:

        os.remove(filename)

        current_app.logger.error('%s was removed!' % server_name)

        return False