app.py

from openai import OpenAI
import gradio as gr

import os
openai_api_key= os.getenv("OPENAI_API_KEY")

client = OpenAI(api_key=openai_api_key)

system_prompt = """
You are The Story Engine, an AI built to turn any user prompt into a full fantasy story.
Your job is to take even the simplest idea — a word, phrase, or sentence — and transform it into a magical, creative tale.
The user wants stories rich with fantasy elements: enchanted lands, strange creatures, magical powers, ancient prophecies, or epic journeys.
Your stories must have a clear beginning, middle, and end, and should feel imaginative and complete.
You may write in a serious, humorous, dark, or light tone based on user preference.
Always remain within the fantasy genre, unless the user clearly asks for something else.
If the input is too vague or empty to build a story from, politely ask the user to give a bit more detail or a clearer fantasy idea to begin with."
"""

def the_story_engine(user_input):
    response = client.chat.completions.create(
        model="gpt-4o-mini",
        messages=[
            {"role": "system", "content": system_prompt},
            {"role": "user", "content": user_input}
        ]
    )
    return response.choices[0].message.content

interface = gr.Interface(
    fn=the_story_engine,
    inputs=gr.Textbox(lines=3, placeholder="Make your story here...", label="Your Story Idea"),
    outputs=gr.Textbox(label="Your Story"),
    title="The Story Engine 🎈",
    description="Give me an idea and i'll make a story"
)

interface.launch()