import psutil
import logging
import gc

logger = logging.getLogger("webtapi.memory")

class MemoryManager:
    def __init__(self):
        self.warning_threshold = 0.8  # 80% of limit
    
    def check_memory_usage(self):
        """Check current memory usage"""
        process = psutil.Process()
        memory_info = process.memory_info()
        return memory_info.rss  # Resident Set Size in bytes
    
    def optimize_memory(self):
        """Free up memory by cleaning up and garbage collection"""
        logger.info("Optimizing memory usage...")
        
        # Force garbage collection
        gc.collect()
        
        current_usage_mb = self.check_memory_usage() / (1024 * 1024)
        logger.info(f"Current memory usage: {current_usage_mb:.2f} MB")
        
        return current_usage_mb

# Global instance
memory_manager = MemoryManager()