from json import load
from datetime import time, datetime, timedelta
from ical.calendar import Calendar
from ical.event import Event
from ical.calendar_stream import IcsCalendarStream
from pathlib import Path

calendar = Calendar()
CLASS = "compsci"

CLASS_START = time(hour=1+12, minute=30)
CLASS_END = time(hour=2+12, minute=45)

this_monday = datetime.today()
if datetime.now().weekday == 4: # is a friday, go to next week
    this_monday += timedelta(days=-this_monday.weekday(), weeks=1) # black magic
else: # not a friday, go to this week
    this_monday -= timedelta(days=this_monday.weekday()) # black magic

print(this_monday)

weekday = 0

for title in Path("compsci.txt").read_text().splitlines():
    day = this_monday + timedelta(days=weekday)
    weekday += 1

    if title.strip == "":
        continue
    
    calendar.events.append(
        Event(summary=title, start=datetime.combine(day, CLASS_START), end=datetime.combine(day, CLASS_END))
    )

with open(f"{CLASS}.ics", "w") as ics_file:
    ics_file.write(IcsCalendarStream.calendar_to_ics(calendar))