import torch, gradio as gr
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM, pipeline

MODEL_ID = "ogrnz/t5-chat-titles"
TOKENIZER_ID = "google-t5/t5-small"

tokenizer = AutoTokenizer.from_pretrained(TOKENIZER_ID)
model = AutoModelForSeq2SeqLM.from_pretrained(MODEL_ID)
device = 0 if torch.cuda.is_available() else -1
summarizer = pipeline("summarization", model=model, tokenizer=tokenizer, device=device)
summarizer("warm‑up")

def make_title(prompt: str) -> str:
    return summarizer(prompt, max_length=16, min_length=3)[0]["summary_text"]

with gr.Blocks(title="Title Generator") as demo:
    gr.Markdown("# Title Generator")
    inp = gr.Textbox(label="Prompt", placeholder="Enter your message…")
    out = gr.Textbox(label="Generated Title")
    btn = gr.Button("Generate")
    btn.click(fn=make_title, inputs=inp, outputs=out)

demo.queue().launch(server_name="0.0.0.0", server_port=5000, show_api=True)