import streamlit as st
import requests
from init import init
import os

try:
    from dotenv import load_dotenv

    load_dotenv()
except ModuleNotFoundError:
    pass

init()

url = os.getenv("ENDPOINT_URL")

st.set_page_config(page_title="Chat")


def send_chat_request():
    data = dict(
        chat_history=[
            {
                "role": "system",
                "content": st.session_state.system_prompt,
            },
            *st.session_state.messages,
        ],
        **st.session_state.params,
    )

    with requests.Session() as session:
        response = session.post(f"{url}/chat", json=data)

    return response.json()["response"]


def reset():
    st.session_state.messages = []


st.button("Reset", on_click=reset)

for message in st.session_state.messages:
    with st.chat_message(message["role"]):
        st.markdown(message["content"])

if prompt := st.chat_input("What is up?"):
    st.chat_message("user").markdown(prompt)
    st.session_state.messages.append({"role": "user", "content": prompt})

    response = send_chat_request()
    with st.chat_message("assistant"):
        st.markdown(response)
    st.session_state.messages.append({"role": "assistant", "content": response})