import logging
from modules.services import getInterface as getServices

logger = logging.getLogger(__name__)

async def start(eventUser) -> None:
    """ Start feature triggers and background managers 
    
    Args:
        eventUser: System-level event user for background operations (provided by app.py)
    """

    # Feature Workflow (Automation)
    if eventUser:
        try:
            from modules.features.workflow import syncAutomationEvents
            from modules.shared.callbackRegistry import callbackRegistry
            
            # Get services for event user (provides access to interfaces)
            services = getServices(eventUser, None)
            
            # Register callback for automation changes
            async def onAutomationChanged(chatInterface):
                """Callback triggered when automations are created/updated/deleted."""
                # Get services for event user to pass to syncAutomationEvents
                eventServices = getServices(eventUser, None)
                await syncAutomationEvents(eventServices, eventUser)
            
            callbackRegistry.register('automation.changed', onAutomationChanged)
            logger.info("Workflow: Registered change callback")
            
            # Initial sync on startup - use services
            await syncAutomationEvents(services, eventUser)
            logger.info("Workflow: Events synced on startup")
        except Exception as e:
            logger.error(f"Workflow: Error setting up events on startup: {str(e)}")
            # Don't fail startup if automation sync fails


    # Feature ...

    return True



async def stop(eventUser) -> None:
    """ Stop feature triggers and background managers 
    
    Args:
        eventUser: System-level event user (provided by app.py)
    """

    # Feature Workflow (Automation)
    # Callbacks will remain registered (acceptable for shutdown)
    logger.info("Workflow: Callbacks remain registered (will be cleaned up on shutdown)")


    # Feature ...

    return True