#!/usr/bin/env python3

from time import sleep
from mykeys import *
from datetime import date
import random
import tweepy

lastdate = date(1,1,1)

def load():
    global lastdate

    datelog = open('datelog.txt', 'r')
    try:
        strdate = datelog.readline().split('-')
        lastdate = date(strdate[0],strdate[1],strdate[2])
        print('Log succesfully read.')
        print('Date of last change: ' + str(lastdate))
    except:
        print('Reading log failed!')
    datelog.close()
    print('---')

def pickname():
    name = None
    namelist = None
    namelist = open('namelist.txt', 'r')
    print('Reading namelist...')
    try:
        names = namelist.readlines()
        print('Success. Names list:')
        print('\n'.join(names))
    except:
        print('Reading namelist failed!')
    namelist.close()
    if namelist is not None:
        name = random.choice(names)
        print('Choosen name:' + name)

    print('---')
    return name

def changename(api):
    global lastdate
    print('Checking date...')
    change = (lastdate != date.today())
    print('Is change due? ' + str(change))

    if change:
        name = pickname()
        print('Updating profile...')
        api.update_profile(name=name)
        print('Updating date...')
        lastdate = date.today()
        print('Updating log...')
        datelog = open('datelog.txt', 'w')
        datelog.write(str(lastdate))
        print('Updated log. New date: ' + str(lastdate))
        datelog.close()
    print('---')

def main():
    global lastdate
    print('Starting the Vilius CIM Name Changer...')

    auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
    auth.set_access_token(access_token, access_token_secret)
    api = tweepy.API(auth)
    print('Done.')
    print('Reading log...')
    load()

    while True:
        changename(api)
        sleep(3600)

if __name__ == '__main__':
    main()