import streamlit as st
import requests

st.set_page_config(page_title="AI Chat Client", layout="wide")
st.title("AI Chat Client")

# FastAPI 服务器的 URL
fastapi_server_url = "http://127.0.0.1:8000/get_ai_response/"

# 用户输入
url = st.text_input("Enter the URL to chat with:")
question = st.text_input("Enter your question:")

# 当用户点击按钮时
if st.button('Get AI Response'):
    if url and question:
        with st.spinner('Fetching AI response...'):
            # 构造请求
            data = {"url": url, "question": question}
            # 发送请求到 FastAPI 服务器
            response = requests.post(fastapi_server_url, json=data)
            
            if response.status_code == 200:
                # 显示 AI 的回答
                ai_response = response.json().get("AI Response", "No response received.")
                st.write("AI Response:", ai_response)
            else:
                # 显示错误信息
                st.error("Error in fetching response from AI server.")
    else:
        st.warning("Please enter both URL and a question.")