import os
import gradio as gr
from google import genai

# 初始化 Gemini client
api_key = os.getenv("GOOGLE_API_KEY")
client = genai.Client(api_key=api_key)
chat = client.chats.create(model="gemini-2.0-flash")
system_prompt = "You are a helpful assistant and always respond in Traditional Chinese."

# 回應函數（符合 type="messages" 的格式）
def respond(message,history):
    response = chat.send_message(f"{system_prompt}:{message}")
    return response.text

# Gradio Chat Interface
demo = gr.ChatInterface(
    fn=respond,
    type="messages",
    title="Gemini Chatbot",
)

if __name__ == "__main__":
    demo.launch()