from ics import Calendar, Event
import requests
import os
import re
import arrow



PUBLIC_ICAL_URL = os.environ.get('PUBLIC_ICAL_URL')
PRIVATE_ICAL_URL = os.environ.get('PRIVATE_ICAL_URL')
ical_headers = { 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8'}

public_cal_raw = requests.get(PUBLIC_ICAL_URL, headers=ical_headers).text
private_cal_raw = requests.get(PRIVATE_ICAL_URL, headers=ical_headers).text



pub_cal = Calendar(public_cal_raw)
priv_cal = Calendar(private_cal_raw)

# print(pub_cal)

final_cal = Calendar()

for event in priv_cal.events:
    event.url = None
    #event.uid = None
    event.description = None
    event.name = "Closed event - not for public"
    event.end = event.end.shift(hours=+2)
    event.begin = event.begin.shift(hours=+2)
    final_cal.events.add(event)


for event in pub_cal.events:
    event.url = None
    event.end = event.end.shift(hours=+2)
    event.begin = event.begin.shift(hours=+2)
    event.description = event.description.split("\n",2)[2] # Remove forum URL from description
    final_cal.events.add(event)

raw_cal = final_cal.serialize()
raw_cal = raw_cal.replace('DTSTART:', 'DTSTART;TZID=Europe/Prague:')
raw_cal = raw_cal.replace('DTEND:', 'DTEND;TZID=Europe/Prague:')
raw_cal = raw_cal.replace('00Z', '00')

print(raw_cal)