"""Chinese GroundingPI Studio with a pinned public checkpoint."""
import os

from grounding_demo.client import zerogpu_configured
from grounding_demo.model_spec import MODEL_REPO, MODEL_REVISION, MODEL_NAME

os.environ.setdefault("GROUNDING_BACKEND", "zerogpu")
if not os.getenv("GROUNDING_MODEL_PATH"):
    # This release deliberately replaces the older Space's model variables.
    os.environ["GROUNDING_MODEL_REPO"] = MODEL_REPO
    os.environ["GROUNDING_MODEL_REVISION"] = MODEL_REVISION
os.environ["GROUNDING_MODEL"] = MODEL_NAME
os.environ["GROUNDING_BACKEND"] = os.environ["GROUNDING_BACKEND"].strip().lower()
os.environ.setdefault("GRADIO_ANALYTICS_ENABLED", "False")

if os.environ["GROUNDING_BACKEND"] == "zerogpu" and zerogpu_configured():
    from grounding_demo import zerogpu_backend  # noqa: F401 - install hooks and load model

# Unconfigured CPU preview needs no spaces/torch import. Configured serving still
# places the model at startup, before Gradio, never lazily inside a GPU request.

from app import demo


if __name__ == "__main__":
    demo.queue(default_concurrency_limit=1, max_size=8).launch(
        server_name="0.0.0.0", server_port=int(os.getenv("DEMO_PORT", "7860")),
        root_path=os.getenv("DEMO_ROOT_PATH") or None,
        max_file_size="30mb", show_error=True,
    )