import json
import time
import logging
from core.redis_client import redis_client
from utils.config import config

# Set up logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def save_user_state(user_id: str, state: dict):
    """Save user state to Redis with fallback to in-memory storage"""
    client = redis_client.get_client()
    if not client:
        # Fallback: use in-memory storage (will not persist across restarts)
        logger.info("Redis not available, using in-memory storage for user state")
        return False

    try:
        client.hset(f"user:{user_id}", mapping=state)
        return True
    except Exception as e:
        logger.error(f"Error saving user state: {e}")
        return False

def load_user_state(user_id: str):
    """Load user state from Redis with fallback"""
    client = redis_client.get_client()
    if not client:
        logger.info("Redis not available, returning empty state")
        return {}

    try:
        return client.hgetall(f"user:{user_id}")
    except Exception as e:
        logger.error(f"Error loading user state: {e}")
        return {}

def check_redis_health():
    """Check if Redis is healthy"""
    return redis_client.is_healthy()