#!/usr/bin/env python3
from pprint import pprint
import sys
import yaml
from box import Box
from pathlib import Path

from contactdates import calendar, addressbook, addressbook_utils

def load_config():
    CONFIG_PATH = Path(__file__).parent / "config.yaml"

    with open(CONFIG_PATH) as f:
        return Box(yaml.safe_load(f))
  
def handle_contact_change(action: str, path: str, user: str):
    config = load_config()
  
    base_path = Path(config.calendars[user].base.dir)
    target_calendar = config.calendars[user].dates_target

    dir = base_path / target_calendar

    print(f"Reading contact {path}")

    card, events = addressbook.read_contact(path)
    name = addressbook_utils.get_contact_name(card)
    id = card.contents["uid"][0].value.strip()


    print(f"Writing contact \"{name}\" {len(events)} events to {dir}")

    for event in events:
        evtid, evt = calendar.create_event(name, f"{id}-{event.id}", event)
        print(f"Writing contact \"{name}\" event {evtid}")
        with open(dir / f"{evtid}.ics", 'w') as f:
            f.write(evt)

def handle_change():
    user    = sys.argv[1] if len(sys.argv) > 1 else "?"
    path    = sys.argv[2] if len(sys.argv) > 2 else "?"
    request = sys.argv[3] if len(sys.argv) > 3 else "?"

    # Distinguish contacts (CardDAV) vs calendar (CalDAV) by path
    if ".vcf" in path:
        kind = "CONTACT"
    elif ".ics" in path:
        kind = "EVENT"
    else:
        kind = "COLLECTION"

    print(f"{request} {user} {kind} {path}")

    if kind == "CONTACT":
        handle_contact_change(request, path, user)

def main():
    handle_change()

if __name__ == "__main__":
    main()