"""
Simple Redis manager stub.
"""

import logging
from typing import Any, Optional

logger = logging.getLogger(__name__)


class RedisManager:
    """Simple Redis manager stub"""
    
    def __init__(self):
        self.connected = False
        self.cache = {}  # In-memory cache as fallback
        
    async def connect(self):
        """Connect to Redis (stub)"""
        logger.info("Redis manager initialized (stub mode)")
        self.connected = True
        
    async def initialize(self):
        """Initialize Redis manager"""
        await self.connect()
        
    async def disconnect(self):
        """Disconnect from Redis"""
        self.connected = False
        
    def is_connected(self) -> bool:
        """Check if connected"""
        return self.connected
        
    async def set(self, key: str, value: Any, ttl: Optional[int] = None):
        """Set value in cache"""
        self.cache[key] = value
        logger.debug(f"Cached key: {key}")
        
    async def get(self, key: str) -> Optional[Any]:
        """Get value from cache"""
        return self.cache.get(key)
        
    async def delete(self, key: str):
        """Delete key from cache"""
        self.cache.pop(key, None)


# Global instance
redis_manager = RedisManager()