"""
Consensus broadcasting for multi-agent handoffs.
"""

from typing import Callable, Any, Optional, List
from functools import wraps


class Consensus:
    """
    Consensus manager for multi-agent workflows.
    """
    
    @staticmethod
    def broadcast(target_agents: List[str], timeout: float = 5.0):
        """
        Decorator to broadcast message to other agents with consensus.
        
        Args:
            target_agents: List of agent IDs to receive the message
            timeout: Timeout for consensus acknowledgment
        
        Usage:
            @consensus.broadcast(["agent_b", "agent_c"])
            async def handoff(data):
                return data
        """
        def decorator(func: Callable) -> Callable:
            @wraps(func)
            async def wrapper(*args, **kwargs):
                # Execute function
                result = await func(*args, **kwargs)
                
                # TODO: Broadcast result to target agents via Consensus Coordinator
                # await broadcast_message(result, target_agents, timeout)
                
                return result
            return wrapper
        return decorator


# Global consensus instance
consensus = Consensus()

