import os
import boto3
import tarfile
from pathlib import Path

KENDEX_TARBALL = "Kendex.tar.gz"


def main():
    repo_dir = Path(__file__).resolve().parent.parent
    data_dir = os.path.join(repo_dir, "data")
    kendex_dir = os.path.join(data_dir, "Kendex")

    if not Path(os.path.join(data_dir, KENDEX_TARBALL)).exists():
        s3 = boto3.resource("s3")
        kendex = s3.Bucket("kendex")
        kendex.download_file(KENDEX_TARBALL, os.path.join(data_dir, KENDEX_TARBALL))
        print(f"downloaded {KENDEX_TARBALL}")

    if not Path(kendex_dir).exists():
        file = tarfile.open(os.path.join(data_dir, KENDEX_TARBALL))
        file.extractall(data_dir)
        file.close()
        print(f"extracted {KENDEX_TARBALL}")


if __name__ == "__main__":
    main()