#!/usr/bin/env python3
"""Download the informative-drawings line-art ONNX model from HuggingFace."""

from huggingface_hub import hf_hub_download
import shutil
from pathlib import Path


def download_model(dest_dir: str = "models") -> str:
    dest = Path(dest_dir)
    dest.mkdir(exist_ok=True)

    output_path = dest / "model.onnx"
    if output_path.exists():
        print(f"Model already exists at {output_path}")
        return str(output_path)

    print("Downloading informative-drawings-line-art-onnx...")
    downloaded = hf_hub_download(
        repo_id="rocca/informative-drawings-line-art-onnx",
        filename="model.onnx",
    )
    shutil.copy(downloaded, output_path)
    print(f"Model saved to {output_path}")
    return str(output_path)


if __name__ == "__main__":
    download_model()