#!/usr/bin/env python3

import json
from mastodon import Mastodon
import datetime
import sys

CONFIG_FILE = "config.json"

try:
    with open(CONFIG_FILE, "r") as f:
        config = json.load(f)
        API_BASE_URL = config["server_url"]
        ACCESS_TOKEN = config["access_token"]
except Exception as e:
    sys.exit(f"Fehler beim Laden der Konfigurationsdatei {CONFIG_FILE}: {e}")

try:
    mastodon = Mastodon(
        access_token=ACCESS_TOKEN,
        api_base_url=API_BASE_URL
    )
    
    my_account = mastodon.me()
except Exception as e:
    sys.exit(f"Fehler beim Verbinden mit der Instanz: {e}")

my_id = my_account['id']

print("Lade alle Accounts, denen Du folgst...\n")
following = []
accounts = mastodon.account_following(my_id)
following.extend(accounts)

while accounts:
    accounts = mastodon.fetch_next(accounts)
    if accounts:
        following.extend(accounts)

print(f"Du folgst insgesamt {len(following)} Accounts.\n")

now = datetime.datetime.now(datetime.timezone.utc)
threshold_date = now - datetime.timedelta(days=180)

unfollowed_users = []

for account in following:
    account_id = account['id']
    
    full_acct = account.get('acct', account.get('username', 'Unbekannt'))
    
    
    last_activity = None
    if account.get('statuses_count', 0) > 0:
        try:
            statuses = mastodon.account_statuses(account_id, limit=1)
        except Exception as e:
            print(f"Fehler beim Abruf der Status für {full_acct}: {e}")
            continue
        if statuses:
            last_activity = statuses[0]['created_at']
    
    if last_activity is None:
        last_activity = account.get('created_at', None)
    
    if last_activity is None:
        print(f"Keine Aktivitätsdaten für {full_acct}. Überspringe diesen Account.")
        continue

    if last_activity < threshold_date:
        try:
            mastodon.account_unfollow(account_id)
            unfollowed_users.append((full_acct, last_activity))
            print(f"Entfolgt: {full_acct} – Letzte Aktivität: {last_activity.date()}")
        except Exception as e:
            print(f"Fehler beim Entfolgen von {full_acct}: {e}")

if unfollowed_users:
    print("\nZusammenfassung der entfolgten Accounts:")
    for acct, last in unfollowed_users:
        print(f"- {acct}: Letzte Aktivität am {last.date()}")
else:
    print("Es wurden keine Accounts gefunden, die seit mehr als 6 Monaten inaktiv sind.")

print("\nUnd wie der legendäre Giovanni Trapatoni einst sagte: 'Ich habe fertig!'\n")