"""
Enhanced bridge adapter that will evolve through the stages.
"""

from typing import Any, Dict, Optional
import logging

logger = logging.getLogger(__name__)


class EnhancedBridge:
    """
    Enhanced bridge adapter with session support.
    
    This is a minimal implementation for Stage 0.
    It will be significantly expanded in subsequent stages.
    """
    
    def __init__(self):
        self.session_context = None
        self.initialized = False
        
    def set_session_context(self, session_context):
        """Set the session context for this adapter instance."""
        self.session_context = session_context
        if hasattr(session_context, 'session_id'):
            logger.info(f"Session context set: {session_context.session_id}")
    
    async def initialize(self):
        """Initialize the adapter with any necessary setup."""
        # Future: Register built-in tools
        # Future: Set up framework integrations
        
        self.initialized = True
        if self.session_context and hasattr(self.session_context, 'session_id'):
            logger.info(f"Adapter initialized for session: {self.session_context.session_id}")
        else:
            logger.info("Adapter initialized")
    
    async def cleanup(self):
        """Clean up adapter resources."""
        if self.session_context:
            logger.info(f"Cleaning up adapter for session: {self.session_context.session_id}")
        
        self.initialized = False
    
    def get_info(self) -> Dict[str, Any]:
        """Get adapter information."""
        return {
            "adapter": "EnhancedBridge",
            "version": "0.1.0",
            "stage": 0,
            "initialized": self.initialized,
            "session_id": self.session_context.session_id if self.session_context else None,
            "features": {
                "variables": False,  # Stage 1
                "tools": False,      # Stage 2
                "streaming": False,  # Stage 3
                "optimization": False # Stage 4
            }
        }