import gradio as gr

def demo_interface(image):
    if image is None:
        return "請先上傳一張圖片。"

    return (
        "圖片已成功上傳。\n\n"
        "這是 HAM10000 Skin Cancer Classification Demo 介面。\n"
        "目前版本僅展示上傳介面，不進行模型預測。"
    )

demo = gr.Interface(
    fn=demo_interface,
    inputs=gr.Image(type="pil", label="Upload Skin Lesion Image"),
    outputs=gr.Textbox(label="Result", lines=6),
    title="HAM10000 Skin Cancer Classification",
    description="Upload a skin lesion image. This interface is for project demonstration only."
)

demo.launch()