#!/usr/bin/env python3
from pprint import pprint
import sys
import yaml
import glob
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 process_contact(file: Path, target_dir: Path, user: str):
    # print(f"Reading {user} contact {file.name}")
    
    card, events = addressbook.read_contact(str(file))
    name = addressbook_utils.get_contact_name(card)
    id = card.contents["uid"][0].value.strip()

    if len(events):
        print(f"Reading {user} contact {file.name}")
        # pprint(card)
        print(f"Writing contact \"{name}\" {len(events)} events to {target_dir}")

        for file_to_delete in target_dir.glob(f"{id}-*.ics"):
            print(f"Deleting old contact event {file_to_delete.name}")
            file_to_delete.unlink()

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

def handle_rescan(user: str):
    print(f"Rescanning {user} addressbooks")

    config = load_config()

    user_config = config.calendars[user]

    pprint(user_config)
    
    base_path = Path(config.calendars[user].base.dir)
    target_calendar = base_path / config.calendars[user].dates_target
    addressbooks = user_config.rescan

    for ab in addressbooks:
        dir = base_path / ab.path
        print(f"Rescanning {user} addressbook {dir}")

        files = dir.glob("*.vcf")
        for file in files:
            process_contact(file, target_calendar, user)

def main():    
    user    = sys.argv[1] if len(sys.argv) > 1 else "?"
    handle_rescan(user)

if __name__ == "__main__":
    main()