app.py

import gradio as gr


def format_prompts(moment: str) -> tuple[str, str, str, str]:
    tweet = (
        f"Write a punchy viral tweet — max 240 chars, 2-3 emojis, end with "
        f"#WorldCup2026, output ONLY the tweet text:\n\n{moment}"
    )
    instagram = (
        f"Write an Instagram caption — strong hook on the first line, 3-4 vivid "
        f"emotional sentences, then 12-15 hashtags on a new line:\n\n{moment}"
    )
    linkedin = (
        f"Write a LinkedIn post — bold opening statement, use this sports moment as a "
        f"lens for leadership or teamwork, 150-200 words, no hashtags, end with a "
        f"question to drive comments:\n\n{moment}"
    )
    scene = (
        f"One sentence only, starting with 'Transform into a cinematic World Cup 2026 "
        f"poster,' — describe the visual for this moment:\n\n{moment}"
    )
    return tweet, instagram, linkedin, scene


demo = gr.Workflow(
    graph="workflow.json",
    bind={"Prompt Formatter": format_prompts},
)

if __name__ == "__main__":
    demo.launch()