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import gradio as gr

from backend.app.models.schemas import ChatMessage
from backend.app.services.inference_service import generate_response


def respond(message: str, language: str, region: str) -> str:
    result = generate_response([ChatMessage(role="user", content=message)], language=language, region=region)
    return f"{result.answer}\n\nConfidence: {result.confidence:.2f}"


def build_ui() -> gr.Blocks:
    with gr.Blocks(title="WorldDisasterLM-8B Demo") as demo:
        gr.Markdown("# WorldDisasterLM-8B\nDisaster guidance and crisis intelligence demo")
        with gr.Row():
            language = gr.Dropdown(
                [
                    "English",
                    "Nepali",
                    "Spanish",
                    "French",
                    "Arabic",
                    "Hindi",
                    "Telugu",
                    "Chinese",
                    "Japanese",
                    "Korean",
                    "Portuguese",
                ],
                value="English",
                label="Language",
            )
            region = gr.Textbox(value="global", label="Region")
        message = gr.Textbox(label="Emergency Query")
        output = gr.Textbox(label="Guidance")
        submit = gr.Button("Generate Guidance")
        submit.click(fn=respond, inputs=[message, language, region], outputs=output)
    return demo


def main() -> None:
    build_ui().launch(server_name="0.0.0.0", server_port=7860)


if __name__ == "__main__":
    main()