#!/usr/bin/env bash
set -euo pipefail

if [ "$#" -ne 2 ]; then
  echo "Usage: scripts/download_from_hf.sh <namespace/dataset_repo> <local_dir>" >&2
  exit 2
fi

repo_id="$1"
local_dir="$2"

if ! command -v hf >/dev/null 2>&1; then
  echo "ERROR: hf CLI not found. Install it with: pip install -U huggingface_hub[cli]" >&2
  exit 127
fi

hf download "$repo_id" --repo-type dataset --local-dir "$local_dir" --max-workers 4