import gradio as gr
import requests

API_URL = "https://kazakh-stemmer-590833642796.europe-west1.run.app/demo/stem/batch"

def stem(text):
    words = [w for w in text.replace("\n", " ").split() if w]
    if not words:
        return "Введите хотя бы одно слово."
    r = requests.post(API_URL, json={"words": words[:50]}, timeout=15)
    r.raise_for_status()
    rows = r.json()
    return "\n".join(f"{x['word']} → {x['stem']}  ({x['confidence']})" for x in rows)

demo = gr.Interface(
    fn=stem,
    inputs=gr.Textbox(lines=4, label="Казахский текст / Kazakh words",
                      placeholder="балаларымызда кітабым қаладағы"),
    outputs=gr.Textbox(label="Корни / Stems"),
    title="Kazakh Stemmer",
    description="Morphological stemmer/lemmatizer for Kazakh (Turkic, agglutinative). "
                "78% exact-match on UD Kazakh KTB, zero over-stemming (Paice OI=0).",
)

demo.launch()