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

# file: uptime.py
# date: 25.07.2020
# desc: Returns bots uptime


import time
import datetime
import logging
logging = logging.getLogger()
from manager import Plugin
from constants import Const


class Plugin(Plugin):

    '''
    Returns the hackbots uptime. The variable birth from the globalvar
    module is used to become the starttime.
    '''

    __module = __name__
    __command = 'uptime'
    __description = 'Returns hackbots uptime'

    @staticmethod
    def get_module():
        return Plugin.__module

    @staticmethod
    def get_command():
        return Plugin.__command

    @staticmethod
    def get_description():
        return Plugin.__description

    def __init__(self, callback=None):
        self.callback = callback

    def help(self):
        return ('!uptime returns hackbots uptime. There are no options. '
                '\nSyntax: !uptime')

    def run(self, stanza):
        '''
        Starts the plugin.
        '''
        const = Const()
        birth = const.birth
        uptime = self.calculate_uptime(birth)
        if uptime == False:
            logging.warning('Error while calculating uptime')
            self.callback('Error while calculating uptime')
        else:
            self.callback('My uptime is {}'.format(uptime))
            


    def calculate_uptime(self, birth):
        logging.debug('Calculate uptime since {} UTC'.format(birth))
        start = self.birth2time(birth)
        now = datetime.datetime.utcnow()
        print('*** Start: {} :: Now: {}'.format(start, now))
        try:
            uptime = now - start
            print('Uptime: {}'.format(uptime))
            return uptime
        except Exception as exc:
            logging.warning('ERROR: {}'.format(exc))
            return False
    
    
    def birth2time(self, birth):
        time_object = None
        datum, zeit = birth.split('T')
        jahr, monat, tag = datum.split('-')
        stunde, minute, sekunde = zeit.split(':')
        time_object = datetime.datetime(int(jahr), int(monat), int(tag), \
                int(stunde), int(minute), int(sekunde), 0, None)
        return time_object