import asyncio
import tempfile
import gradio as gr
import edge_tts

VOICE = "de-DE-KatjaNeural"

def synthesize(text: str) -> str:
    async def run():
        communicate = edge_tts.Communicate(text, VOICE)
        with tempfile.NamedTemporaryFile(suffix=".mp3", delete=False) as f:
            path = f.name
        await communicate.save(path)
        return path

    return asyncio.run(run())

demo = gr.Interface(
    fn=synthesize,
    inputs=gr.Textbox(label="Text"),
    outputs=gr.Audio(label="Audio"),
    api_name="synthesize",
    title="Witz TTS",
    description="German TTS via Microsoft Edge neural voice (de-DE-KatjaNeural).",
)

demo.launch()