import asyncio
import logging
from app.core.config import settings
from app.services.cache import cache_service

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

async def clear_all_cache():
    """
    Clears all cache from Redis and local memory.
    """
    logger.info("🧹 Starting cache clearing process...")
    
    # 1. Clear Redis Cache
    if hasattr(cache_service, 'redis_client') and cache_service.redis_client:
        try:
            cache_service.redis_client.flushdb()
            logger.info("✅ Redis cache flushed successfully.")
        except Exception as e:
            logger.error(f"❌ Failed to flush Redis: {e}")
    elif hasattr(cache_service, 'redis') and cache_service.redis:
         # In case the attribute name is just 'redis' (checking implementation details)
         try:
            cache_service.redis.flushdb()
            logger.info("✅ Redis cache flushed successfully.")
         except Exception as e:
            logger.error(f"❌ Failed to flush Redis: {e}")
    else:
        # Check if REDIS_AVAILABLE global is true in the module, but here we work with the instance
        # The instance uses 'redis_client' variable in the module scope, but doesn't expose it as self.redis_client 
        # Wait, looking at the code:
        # redis_client is a global variable in the module, not a class attribute of CacheService instance (unless assigned).
        # But wait, looking at lines 27/39/57 of cache.py, it uses the global `redis_client`.
        # To access it from outside, we need to import it or usage method. 
        # Use direct redis connection to be sure.
        try:
            import redis
            r = redis.from_url(settings.REDIS_URL)
            r.flushdb()
            logger.info("✅ Redis cache flushed via direct connection.")
        except Exception as e:
            logger.warning(f"⚠️ Could not connect/flush Redis directly (might not be configured): {e}")

    # 2. Clear Local Cache
    if hasattr(cache_service, 'local_cache'):
        count = len(cache_service.local_cache)
        cache_service.local_cache.clear()
        logger.info(f"✅ Local dictionary cache cleared ({count} items removed).")
    
    logger.info("✨ System cache cleared successfully.")

if __name__ == "__main__":
    asyncio.run(clear_all_cache())