from contextlib import asynccontextmanager
from .main import QBotApp

@asynccontextmanager
async def default_lifespan(app: QBotApp):
    
    app.logger.debug("starting qbot app")
    
    if app.config.USE_NGROK:
        try:
            from pyngrok import ngrok
            from pyngrok.conf import PyngrokConfig
        
        except ImportError:
            app.logger.error("pyngrok is not installed")
            raise
        
        tunnel = ngrok.connect(app.config.API_PORT, pyngrok_config = PyngrokConfig(auth_token = app.config.NGROK_AUTH_TOKEN))
        app.config.NGROK_URL = tunnel.public_url
    
    await app.bot.set_webhook(url = f"{app.config.API_URL}/api/telegram/webhook",
                        drop_pending_updates = True,
                        allowed_updates = ['message', 'callback_query', 'pre_checkout_query'],
                        secret_token = app.bot_auth_token) 
    
    app.logger.info("qbot app started")
    
    if app.lifespan:
        async with app.lifespan(app):
            yield
    else:
        yield
    
    app.logger.info("stopping qbot app")

    await app.bot.delete_webhook()
    if app.config.USE_NGROK:
        ngrok.disconnect(app.config.NGROK_URL)
        ngrok.kill()
    app.logger.info("qbot app stopped")