from langchain_core.messages import HumanMessage, RemoveMessage

from tradingagents.agents.utils.core_stock_tools import get_stock_data
from tradingagents.agents.utils.fundamental_data_tools import (
    get_balance_sheet,
    get_cashflow,
    get_fundamentals,
    get_income_statement,
)
from tradingagents.agents.utils.news_data_tools import (
    get_global_news,
    get_insider_sentiment,
    get_insider_transactions,
    get_news,
)
from tradingagents.agents.utils.technical_indicators_tools import get_indicators


def create_msg_delete():
    def delete_messages(state):
        """Clear messages and add placeholder for Anthropic compatibility"""
        messages = state["messages"]
        removal_operations = [RemoveMessage(id=m.id) for m in messages]
        placeholder = HumanMessage(content="Continue")
        return {"messages": removal_operations + [placeholder]}

    return delete_messages