app.py

import time
import os
import streamlit as st
from together import Together

# Set the Streamlit page configuration and theme
st.set_page_config(page_title="AURA", layout="centered")

# Display the logo image
col1, col2, col3 = st.columns([1, 30, 1])
with col2:
    st.image("img/AURA.png", use_column_width=True)  # Adjusted the path to use the uploaded image

st.write("""
    🌟 **Greetings!** 🌟 I am **AURA**: your **Artificial Understanding and Responsive Assistant**.
    Whether you're navigating stormy seas or dancing under starlit skies, I'm here to lend an empathetic ear,
    offer thoughtful guidance, and illuminate your digital journey. Let's explore life's pathways together! 🤖✨
""")


def hide_hamburger_menu():
    st.markdown("""
        <style>
            #MainMenu {visibility: hidden;}
            footer {visibility: hidden;}
        </style>
        """, unsafe_allow_html=True)


hide_hamburger_menu()

# Initialize Together client with API key
API_KEY = os.getenv('together_api')
client = Together(api_key=API_KEY)


def generate_response(messages):
    try:
        response = client.chat.completions.create(
            model="meta-llama/Llama-3-70b-chat-hf",
            messages=messages
        )
        return response.choices[0].message.content
    except Exception as e:
        print(f"Error generating response: {e}")
        return None


# Initialize session state for messages
if "messages" not in st.session_state:
    st.session_state.messages = [
        {"role": "system",
         "content": "You are an empathetic companion named AURA. Provide concise responses and use emojis to enhance the conversation."},
    ]


def reset_conversation():
    st.session_state.messages = [
        {"role": "system",
         "content": "You are an empathetic companion named AURA. Provide concise responses and use emojis to enhance the conversation."},
    ]


# Display chat history
for message in st.session_state.messages:
    if message["role"] != "system":  # Skip system messages
        with st.chat_message(message["role"]):
            st.write(message["content"])

# User input
input_prompt = st.chat_input("Say something...")
if input_prompt:
    with st.chat_message("user"):
        st.markdown(f"**You:** {input_prompt}")

    st.session_state.messages.append({"role": "user", "content": input_prompt})
    with st.chat_message("assistant"):
        with st.spinner("Thinking 💡..."):
            # Include system message in the messages sent to the API but not in the displayed chat
            messages_for_api = [msg for msg in st.session_state.messages if msg["role"] != "system"]
            messages_for_api.insert(0, {"role": "system",
                                        "content": "You are an empathetic companion named AURA. Provide concise responses and use emojis to enhance the conversation."})

            response = generate_response(messages_for_api)
            message_placeholder = st.empty()
            answer = response or "Sorry, I couldn't generate a response."

            # Initialize the response message
            full_response = ""
            for chunk in answer:
                # Simulate typing by appending chunks of the response over time
                full_response += chunk
                time.sleep(0.02)  # Adjust the sleep time to control the "typing" speed
                message_placeholder.markdown(full_response + " |", unsafe_allow_html=True)

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

if st.button('🗑️ Reset All Chat', on_click=reset_conversation):
    st.experimental_rerun()