app.py

import streamlit as st
from openai import OpenAI
import time

st.set_page_config(page_title="Basic Chatbot with Streamlit and OpenAI Assistant")

st.title("Basic Chatbot with Streamlit and OpenAI Assistant")
st.caption("Features text streaming using OpenAI Assistants API")

# Sidebar for API Key input and file uploads
with st.sidebar:
    OPENAI_API_KEY = st.text_input("Enter your OpenAI API Key", type="password")
    st.subheader("Minutes Uploads")
    uploaded_files = st.file_uploader("Upload meeting minutes (PDF/DOCX)", type=["pdf", "docx"], accept_multiple_files=True)

    if uploaded_files:
        st.write("### Uploaded Files:")
        for uploaded_file in uploaded_files:
            st.write(f"- {uploaded_file.name}")

# Initialize OpenAI client
if OPENAI_API_KEY:
    client = OpenAI(api_key=OPENAI_API_KEY)
else:
    st.error("Please enter your OpenAI API key to continue.")
    st.stop()

ASSISTANT_ID = "asst_rd9h8PfYuOmHbkvOF3RTmVfn"

# Session state for chat messages
if "messages" not in st.session_state:
    st.session_state["messages"] = []

# Display all chat messages
for message in st.session_state.messages:
    role, content = message["role"], message["content"]
    if role == "assistant" and "|" in content:  # Detect table formatting
        st.chat_message(role).write(content, unsafe_allow_html=True)
    else:
        st.chat_message(role).write(content)

# User input
if prompt := st.chat_input():
    st.session_state.messages.append({"role": "user", "content": prompt})
    st.chat_message("user").write(prompt)

    # Send message to OpenAI Assistant
    try:
        thread = client.beta.threads.create()
        thread_id = thread.id
        client.beta.threads.messages.create(
            thread_id=thread_id,
            role="user",
            content=prompt
        )
        
        run = client.beta.threads.runs.create(
            thread_id=thread_id,
            assistant_id=ASSISTANT_ID
        )

        while True:
            run_status = client.beta.threads.runs.retrieve(thread_id=thread_id, run_id=run.id)
            if run_status.status == "completed":
                break
            time.sleep(1)

        messages = client.beta.threads.messages.list(thread_id=thread_id)
        assistant_message = messages.data[0].content[0].text.value

        # Detect table format and use Markdown
        if "|" in assistant_message and "---" in assistant_message:
            formatted_message = f"```\n{assistant_message}\n```"
            st.chat_message("assistant").write(formatted_message, unsafe_allow_html=True)
        else:
            st.chat_message("assistant").write(assistant_message)

        st.session_state.messages.append({"role": "assistant", "content": assistant_message})

    except Exception as e:
        st.error(f"Error: {str(e)}")