import asyncio
import logging

logger = logging.getLogger(__name__)

class SessionRecoveryManager:
    def __init__(self, orchestrator):
        self.orchestrator = orchestrator

    async def handle_invalidation(self, session_id: str, reason: str):
        """
        Recovery strategies based on invalidation reason.
        """
        logger.warning(f"Session {session_id} invalidated. Reason: {reason}")
        
        if reason == 'cf_clearance_expired':
            # Normal expiration: re-authenticate
            logger.info(f"Triggering re-auth for {session_id} (Expired)")
            # self.orchestrator.trigger_reauth(session_id)
            pass # Hook to orchestrator needed
            
        elif reason == 'ip_reputation_drop':
            # Proxy burned: rotate and re-authenticate
            logger.info(f"Triggering proxy rotation for {session_id} (IP Burned)")
            # await self.orchestrator.proxy_rotator.blacklist...
            # await self.orchestrator.trigger_reauth(session_id, force_new_proxy=True)
            pass
            
        elif reason == 'fingerprint_detected':
            # Fingerprint burned: generate new profile
            logger.info(f"Triggering profile regeneration for {session_id} (Fingerprint Detected)")
            pass
        
        elif reason == 'rate_limit':
            # Backoff with exponential delay
             logger.info(f"Backing off {session_id} (Rate Limit)")
             await asyncio.sleep(60)
