import os
import sys
from huggingface_hub import HfApi, snapshot_download
from pathlib import Path

REPO_ID = os.environ.get("DATASET_REPO_ID")
TOKEN = os.environ.get("HF_TOKEN")
# We only want to pull/push from this subfolder
TARGET_DIR = Path("/app/data/paperclip_app")

if not REPO_ID or not TOKEN:
    print("Secrets not set. Skipping download.")
    sys.exit(0)

print(f"Checking for existing Paperclip data in {REPO_ID}...")

try:
    # This downloads only the 'paperclip_app' folder from your dataset if it exists
    snapshot_download(
        repo_id=REPO_ID,
        repo_type="dataset",
        local_dir="/app/data",
        allow_patterns="paperclip_app/*",
        token=TOKEN
    )
    print("Download complete.")
except Exception as e:
    print(f"No existing paperclip data found (Starting fresh): {e}")