import datetime
from bs4 import BeautifulSoup
import re
import os
import sys
import pytz

firstCorrectTime = ""
previousCorrectTime = ""
previousWrongTime = ""
newTime = ""
referenceDate= datetime.datetime(2072,1,1,0,0,1,1)
time_zone = pytz.timezone('Europe/Budapest')
referenceDate = time_zone.localize(referenceDate)

with open(input("Kérem a feldolgozandó fájl nevét: "),'r') as f:
    xml = f.read()
    bx = BeautifulSoup(xml)
    times = bx.find_all('time')
    for stime in times:
        timestr = stime.text
        rawtime = datetime.datetime.strptime(timestr,'%Y-%m-%dT%H:%M:%S.%f%z')
        if(rawtime < referenceDate):
            firstCorrectTime = rawtime
        else:
            if(previousWrongTime == ""):
                previousWrongTime = rawtime
                newTime = firstCorrectTime + datetime.timedelta(seconds = 2)
            else:
                differenceInSeconds = (rawtime-previousWrongTime).seconds
                newTime = previousCorrectTime + datetime.timedelta(seconds = differenceInSeconds)

            #kicseréljük a rossz időbélyeget az újonnan kszámítottra
            stime.string.replace_with(newTime.strftime('%Y-%m-%dT%H:%M:%S.%f%z'))

            previousCorrectTime = newTime
            previousWrongTime = rawtime


    with open(input("Kérem a kiírandó fájl nevét: "),'w') as g:
        g.write(bx.prettify())

    print ('converted %s to %s' % ('items.xml','new_items.xml'))
    sys.stdout.flush()