# -*- coding: utf-8 -*-
"""
Created on Sat Oct 26 15:35:19 2024

@author: BM109X32G-10GPU-02
"""

from langchain_community.embeddings import OllamaEmbeddings
from langchain.tools import BaseTool
from langchain_openai import ChatOpenAI
from langchain_core.messages import HumanMessage, SystemMessage
from langchain.base_language import BaseLanguageModel
import os

class codewriter(BaseTool):
    name:str = "codewriter"
    description:str = (
        "Useful to answer questions that require writing codes "
        "return the usage and instruction of codes"
    )
    openai_api_key: str = None
    llm: BaseLanguageModel = None
    def __init__(self,llm, openai_api_key):
        super().__init__()
        self.llm = ChatOpenAI(model="gpt-4o-2024-11-20",api_key=os.getenv("OPENAI_API_KEY"),
             base_url=os.getenv("OPENAI_API_BASE"))
        # api keys

    def _run(self, query) -> str:
        messages = [
            SystemMessage(content="You are an expert at writing code, write the corresponding code based on the inputs"),
            HumanMessage(content=query),
        ]
        
        response =  self.llm.invoke(messages)
        return response

    async def _arun(self, query) -> str:
        """Use the tool asynchronously."""
        raise NotImplementedError("this tool does not support async")