import csv
from datetime import datetime, timedelta
from caldav import DAVClient, Calendar
from caldav.elements import dav, cdav
from icalendar import Event, Alarm

def csv_to_caldav(csv_file_path, caldav_url, username, password, calendar_name, date_format='%d.%m.%Y'):
    client = DAVClient(url=caldav_url, username=username, password=password)
    principal = client.principal()
    calendars = principal.calendars()

    # Znalezienie kalendarza o podanej nazwie
    calendar = None
    for cal in calendars:
        if cal.name == calendar_name:
            calendar = cal
            break
    
    if not calendar:
        raise ValueError(f"Kalendarz o nazwie '{calendar_name}' nie został znaleziony.")

    with open(csv_file_path, mode='r', encoding='utf-8') as csv_file:
        csv_reader = csv.DictReader(csv_file, delimiter=';')


        for row in csv_reader:
            event = Event()
            
            start_date = datetime.strptime(row['Start'], date_format).date()
            end_date = datetime.strptime(row['Koniec'], date_format).date() + timedelta(days=1)
            
            event.add('summary', row['Temat'])
            event.add('dtstart', start_date)
            event.add('dtend', end_date)
            event.add('description', row['Tagi'])
            event.add('transp', 'TRANSPARENT')

            # Dodanie przypomnienia
            alarm = Alarm()
            alarm.add('action', 'DISPLAY')
            alarm.add('description', 'Przypomnienie: ' + row['Temat'])
            alarm.add('trigger', timedelta(minutes=-30))  # Przypomnienie 30 minut przed
            event.add_component(alarm)
            
            # Przesłanie zdarzenia do kalendarza CalDAV
            calendar.add_event(event.to_ical())

# Ścieżka do pliku CSV
csv_file_path = 'events.csv'
# Dane do logowania CalDAV
caldav_url = 'https://cal.dexterlab.pl/remote.php/dav/'
username = 'dexter'
password = 'Proton!19'
calendar_name = 'Holidays'

# Wywołanie funkcji
csv_to_caldav(csv_file_path, caldav_url, username, password, calendar_name)