app.py

import streamlit as st

# ✅ Ensure this is the first Streamlit command
st.set_page_config(page_title="Gemini Chatbot", layout="wide")

st.markdown("""
    <h1 style="text-align:center; color: #FF4500;">Welcome To Gemini CodeReviewer using Gemini API.....</h1>
""", unsafe_allow_html=True)


import google.generativeai as genai


# Configure Gemini API Key
genai.configure(api_key="AIzaSyBNuAnoR316s3mlaVY6zsgtmarKR4ZbajE")


# Function to get Gemini response
def get_gemini_response(prompt):
    model = genai.GenerativeModel("models/gemini-2.0-flash")
    response = model.generate_content(prompt)
    return response.text if response.text else "Sorry, I couldn't understand that."

# Chat interface
if "messages" not in st.session_state:
    st.session_state.messages = []

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

user_input = st.chat_input("Type your message...")

if user_input:
    st.session_state.messages.append({"role": "user", "content": user_input})
    with st.chat_message("user"):
        st.markdown(user_input)

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