import streamlit as st

from langchain.schema import HumanMessage, SystemMessage, AIMessage
from langchain.chat_models import ChatOpenAI

## Stream UI
st.set_page_config(page_title="Conversational Chat Bot")
st.header("Hey Lets chat")

from dotenv import load_dotenv

load_dotenv()

import os

chat=ChatOpenAI(temperature=0.7)

if 'flowmessages' not in st.session_state:
    st.session_state["flowmessages"]=[
        SystemMessage(content="You are Spoken english class teacher")
    ]

#functions to load open ai models and get responses

def get_chatmodel_response(question):

    st.session_state["flowmessages"].append(HumanMessage(content=question))
    answer=chat(st.session_state["flowmessages"])
    st.session_state["flowmessages"].append(AIMessage(content=answer.content))
    return answer.content


input=st.text_input("Input: ",key="input")
response=get_chatmodel_response(input)

submit=st.button("Ask the question")

## If ask button is clicked

if submit:
    st.subheader("The Response is")
    st.write(response)