"""
Download all files for the SynthesizeAIWS25 dataset using a mainland China mirror by default.

Usage:
    uv run python scripts/download_aiws_full.py
Override endpoint (e.g., official HF) if needed:
    HF_ENDPOINT=https://huggingface.co uv run python scripts/download_aiws_full.py
"""

import os
from pathlib import Path

from huggingface_hub import snapshot_download


repo_id = "tancilon/SynthesizeAIWS25"

project_root = Path(__file__).resolve().parent.parent
local_dir = project_root / "data" / "SynthesizeAIWS25"
cache_dir = project_root / ".hf_cache"

# Prefer mainland mirror; allow override via HF_ENDPOINT.
hf_endpoint = os.environ.get("HF_ENDPOINT", "https://hf-mirror.com")

local_dir.mkdir(parents=True, exist_ok=True)
cache_dir.mkdir(parents=True, exist_ok=True)

snapshot_download(
    repo_id=repo_id,
    repo_type="dataset",
    local_dir=local_dir,
    cache_dir=cache_dir,
    local_dir_use_symlinks=False,
    max_workers=18,
    endpoint=hf_endpoint,
)