import git
from git.exc import GitCommandError
import requests
from datetime import datetime

# Konfiguration
REPO_PATH = '/home/pi/solar_collector'  # Pfad zum lokalen Git-Repository
GIT_REPO_URL = 'https://g.tbsgl.xyz:443/tsi/solar_collector.git'  # SSH URL des Git-Repositories
bot_token = '949332240:AAHNsQEmCW4it86Esa7F5o07XxwrotSM7s8'
chat_id = '-914111351'

def send_telegram_message(bot_token, chat_id, message):
    """Sendet eine Nachricht über Telegram."""
    bot_url = f'https://api.telegram.org/bot{bot_token}/sendMessage'
    payload = {'chat_id': chat_id, 'text': message}
    try:
        response = requests.post(bot_url, data=payload)
        response.raise_for_status()
    except requests.exceptions.RequestException as e:
        print(f"Fehler beim Senden der Telegram-Nachricht: {e}")

def git_pull(repo_path, repo_url):
    """Führt ein git pull im angegebenen Repository aus."""
    try:
        repo = git.Repo(repo_path)
    except git.exc.InvalidGitRepositoryError:
        # Falls das Verzeichnis kein Git-Repo ist, klone es
        git.Repo.clone_from(repo_url, repo_path)
        return "Repository geklont"
    
    current = repo.head.commit
    repo.remotes.origin.pull()
    new = repo.head.commit

    if current != new:
        return "Neue Daten erfolgreich ausgerollt"
    else:
        return "Keine neuen Daten zum Ausrollen"

def main():
    message = git_pull(REPO_PATH, GIT_REPO_URL)
    send_telegram_message(bot_token, chat_id, message)

if __name__ == "__main__":
    main()