from typing import Callable

from langchain_core.messages import ToolMessage
from erp_core.state_definer import State

def create_entry_node(assistant_name: str, new_dialog_state: str) -> Callable:
    def entry_node(state: State) -> dict:
        tool_call_id = state["messages"][-1].tool_calls[0]["id"]
        return {
            "messages": [
                ToolMessage(
                    content=f"The assistant is now the {assistant_name}. Reflect on the above conversation between the host assistant and the user."
                    f" The user's intent is unsatisfied. Use the provided tools to assist the user. Remember, you are {assistant_name},"
                    " and the booking, update, other other action is not complete until after you have successfully invoked the appropriate tool."
                    " If the user changes their mind or needs help for other tasks, call the CompleteOrEscalate function to let the primary host assistant take control."
                    " Do not mention who you are - just act as the proxy for the assistant.",
                    tool_call_id=tool_call_id,
                )
            ],
            "dialog_state": new_dialog_state,
        }

    return entry_node