"""Define your LangChain chatbot."""
import re
from abc import abstractmethod

from telegram import Update
import telegram
from telegram.ext import (
    ConversationHandler,
    CallbackContext,
)

from agent.tools.text_summary import ConversationSummary

SELECT_COMMAND, GET_TEXT = range(2)


class LangChainAgentBot(ConversationSummary):
    def is_verbose_logging_enabled(self):
        return True

    def send_message(self, message: str, update: Update) -> str:
        """Send a message to Telegram.

        Note: This is a private endpoint that requires authentication."""
        update.message.reply_text(message)
        return "ok"

    def _invoke_later(self, delay_ms: int, message: str, chat_id: str):
        self.invoke_later(
            "send_message",
            delay_ms=delay_ms,
            arguments={
                "message": message,
                "chat_id": chat_id,
            },
        )

    async def cancel(update: Update, context: CallbackContext) -> int:
        """Cancel the conversation."""
        await update.message.reply_text("Oops, glad to help you.")
        return ConversationHandler.END


    async def create_response(self, update: Update, context: CallbackContext) -> None:
        await update.message.chat.send_action(action=telegram.constants.ChatAction.TYPING)
        await update.message.reply_text(update.message.text)