import gradio as gr
import os, shutil
from typing import Any

# ----------------------------------
#  Clean out stale Gradio cache
# ----------------------------------
if os.path.isdir(".gradio/cached_examples"):
    shutil.rmtree(".gradio/cached_examples")

# ----------------------------------
#  Load the model
# ----------------------------------
model = gr.load("models/jbigs/stellathedog")

examples = [
    ["Stella the dog running in a park"],
    ["Stella the dog on a beach at sunset"],
]

# ----------------------------------
#  Utility to pull an image‑like object
# ----------------------------------
def _extract_image(x: Any):
    if isinstance(x, (tuple, list)):        # first element from tuple/list
        return _extract_image(x[0])
    if isinstance(x, dict):                 # common keys or first value
        for k in ("image", "img", "picture", "output", "result"):
            if k in x:
                return _extract_image(x[k])
        return _extract_image(next(iter(x.values())))
    return x                                # assume already Gradio‑compatible

# ----------------------------------
#  Interface callback
# ----------------------------------
def generate_output(prompt: str):
    raw = model(prompt)
    return _extract_image(raw)

demo = gr.Interface(
    fn=generate_output,
    inputs=gr.Textbox(label="Input"),
    outputs=gr.Image(label="Output"),
    examples=examples,
)

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