class CommunicationManager:
    def __init__(self):
        self.handlers = {}
        self.conversations = {}

    def register_handler(self, speech_act, handler_func):
        self.handlers[speech_act] = handler_func

    def receive_message(self, message):
        handler = self.handlers.get(message.speech_act)
        if handler:
            response = handler(message)
            if response:
                self.send_message(response)

from dataclasses import dataclass
from typing import Any, Callable, Dict, List
from enum import Enum
import uuid

class SpeechAct(Enum):
    INFORM = "inform"
    REQUEST = "request"
    QUERY_IF = "query-if"
    PROPOSE = "propose"
    ACCEPT_PROPOSAL = "accept-proposal"
    REFUSE = "refuse"

@dataclass
class Message:
    sender: str
    receiver: str
    speech_act: SpeechAct
    content: Any
    conversation_id: str
    reply_to: str = None

class Agent:
    def __init__(self, agent_id: str):
        self.id = agent_id
        self.inbox: List[Message] = []
        self.handlers: Dict[SpeechAct, Callable] = {}
        self.knowledge_base: Dict[str, Any] = {}
        self.commitments: List[Dict] = []

    def register_handler(self, speech_act: SpeechAct, handler: Callable):
        """Register a handler for a specific speech act"""
        self.handlers[speech_act] = handler

    def send(self, receiver: str, speech_act: SpeechAct,
             content: Any, conversation_id: str = None) -> Message:
        """Send a message to another agent"""
        msg = Message(
            sender=self.id,
            receiver=receiver,
            speech_act=speech_act,
            content=content,
            conversation_id=conversation_id or str(uuid.uuid4())
        )
        return msg

    def receive(self, message: Message):
        """Process an incoming message"""
        self.inbox.append(message)
        handler = self.handlers.get(message.speech_act)

        if handler:
            response = handler(message)
            if response:
                return response
        else:
            # Default: refuse unknown speech acts
            return self.send(
                message.sender,
                SpeechAct.REFUSE,
                {"reason": "No handler for this speech act"},
                message.conversation_id
            )

# Example: Information Sharing Agent
class InfoAgent(Agent):
    def __init__(self, agent_id: str):
        super().__init__(agent_id)
        self.register_handler(SpeechAct.QUERY_IF, self.handle_query)
        self.register_handler(SpeechAct.INFORM, self.handle_inform)

    def handle_query(self, message: Message):
        """Respond to queries about our knowledge"""
        query_key = message.content.get("key")

        if query_key in self.knowledge_base:
            return self.send(
                message.sender,
                SpeechAct.INFORM,
                {"key": query_key, "value": self.knowledge_base[query_key]},
                message.conversation_id
            )
        else:
            return self.send(
                message.sender,
                SpeechAct.REFUSE,
                {"reason": f"Unknown key: {query_key}"},
                message.conversation_id
            )

    def handle_inform(self, message: Message):
        """Update our knowledge base with new information"""
        key = message.content.get("key")
        value = message.content.get("value")
        if key and value:
            self.knowledge_base[key] = value
            print(f"[{self.id}] Updated knowledge: {key} = {value}")

# Example: Task Executor Agent
class ExecutorAgent(Agent):
    def __init__(self, agent_id: str):
        super().__init__(agent_id)
        self.register_handler(SpeechAct.REQUEST, self.handle_request)
        self.capabilities = {"calculate", "search", "summarize"}

    def handle_request(self, message: Message):
        """Handle action requests"""
        action = message.content.get("action")

        if action in self.capabilities:
            # Simulate action execution
            result = f"Completed {action}"
            print(f"[{self.id}] Executing: {action}")

            return self.send(
                message.sender,
                SpeechAct.INFORM,
                {"result": result},
                message.conversation_id
            )
        else:
            return self.send(
                message.sender,
                SpeechAct.REFUSE,
                {"reason": f"Cannot perform: {action}"},
                message.conversation_id
            )

# Simple Message Bus for Coordination
class MessageBus:
    def __init__(self):
        self.agents: Dict[str, Agent] = {}

    def register_agent(self, agent: Agent):
        self.agents[agent.id] = agent

    def deliver(self, message: Message):
        """Route message to recipient"""
        receiver = self.agents.get(message.receiver)
        if receiver:
            response = receiver.receive(message)
            if response:
                self.deliver(response)  # Handle response
        else:
            print(f"Agent {message.receiver} not found")

# Usage Example
if __name__ == "__main__":
    bus = MessageBus()

    # Create agents
    info_agent = InfoAgent("info_agent_1")
    info_agent.knowledge_base = {"weather": "sunny", "temperature": 72}

    executor = ExecutorAgent("executor_1")

    bus.register_agent(info_agent)
    bus.register_agent(executor)

    # Scenario 1: Query information
    print("=== Scenario 1: Information Query ===")
    query_msg = executor.send(
        "info_agent_1",
        SpeechAct.QUERY_IF,
        {"key": "weather"}
    )
    bus.deliver(query_msg)

    # Scenario 2: Request action
    print("\n=== Scenario 2: Action Request ===")
    request_msg = info_agent.send(
        "executor_1",
        SpeechAct.REQUEST,
        {"action": "calculate"}
    )
    bus.deliver(request_msg)

    # Scenario 3: Share information
    print("\n=== Scenario 3: Information Sharing ===")
    inform_msg = executor.send(
        "info_agent_1",
        SpeechAct.INFORM,
        {"key": "status", "value": "operational"}
    )
    bus.deliver(inform_msg)

from langgraph.graph import StateGraph, END
from typing import TypedDict, Annotated
import operator

class AgentMessage(TypedDict):
    sender: str
    speech_act: str
    content: dict

class MultiAgentState(TypedDict):
    messages: Annotated[list[AgentMessage], operator.add]
    current_speaker: str

def researcher_node(state: MultiAgentState):
    # Process messages addressed to researcher
    incoming = [m for m in state["messages"] if m.get("receiver") == "researcher"]

    # Generate response
    response = {
        "sender": "researcher",
        "receiver": "coordinator",
        "speech_act": "inform",
        "content": {"findings": "Research complete"}
    }

    return {"messages": [response], "current_speaker": "coordinator"}

# Build graph with agent nodes
graph = StateGraph(MultiAgentState)
graph.add_node("researcher", researcher_node)
# ... add more agent nodes

from autogen import ConversableAgent, GroupChat, GroupChatManager

# Define agents with clear communication roles
coordinator = ConversableAgent(
    name="coordinator",
    system_message="You coordinate tasks. Use REQUEST when asking for work.",
    llm_config=llm_config
)

worker = ConversableAgent(
    name="worker",
    system_message="You execute tasks. Reply with INFORM when done.",
    llm_config=llm_config
)

# Create group chat (implicit message bus)
group_chat = GroupChat(
    agents=[coordinator, worker],
    messages=[],
    max_round=10
)

system_prompt = """
You are an agent in a multi-agent system. When communicating:
- Use REQUEST(action) to ask other agents to do something
- Use INFORM(fact) to share information
- Use PROPOSE(plan) to suggest solutions
Always specify the recipient agent by name.
"""

def semantic_match(message_content, known_intents, threshold=0.85):
    message_embedding = embed(message_content)
    similarities = [cosine_sim(message_embedding, embed(intent))
                    for intent in known_intents]
    best_match = max(similarities)
    return best_match > threshold

class ManagerAgent(Agent):
    def initiate_contract_net(self, task, workers, deadline):
        conversation_id = str(uuid.uuid4())
        # Send CFP to all workers
        # Collect proposals
        # Select winner
        # Award contract
        pass

class WorkerAgent(Agent):
    def __init__(self, agent_id, capabilities, cost, speed):
        super().__init__(agent_id)
        self.capabilities = capabilities
        self.cost = cost
        self.speed = speed
        self.register_handler(SpeechAct.CALL_FOR_PROPOSALS, self.handle_cfp)
        self.register_handler(SpeechAct.ACCEPT_PROPOSAL, self.handle_accept)

    def handle_cfp(self, message):
        # Decide whether to bid
        # Generate proposal or refuse
        pass