# src/data/hf_blender_extract.py
import os
import sys
import time
from pathlib import Path

def _parse(argv):
    # argv comes after `--`
    args = {"input": None, "output_dir": None, "target_count": 50000}
    it = iter(argv)
    for k in it:
        if k == "--input":
            args["input"] = next(it)
        elif k == "--output_dir":
            args["output_dir"] = next(it)
        elif k == "--target_count":
            args["target_count"] = int(next(it))
    if not args["input"] or not args["output_dir"]:
        raise SystemExit("Usage: --input <file> --output_dir <dir> [--target_count N]")
    return args

def main():
    argv = sys.argv
    if "--" in argv:
        argv = argv[argv.index("--") + 1 :]
    else:
        argv = []
    args = _parse(argv)

    # Ensure output dir
    out = Path(args["output_dir"])
    out.mkdir(parents=True, exist_ok=True)

    from src.data.extract import extract_builtin, get_files

    files = get_files(
        data_name="raw_data.npz",
        inputs=str(args["input"]),
        input_dataset_dir=None,
        output_dataset_dir=str(out),
        force_override=True,
        warning=False,
    )
    if not files:
        raise RuntimeError("No files to extract")

    timestamp = str(int(time.time()))
    extract_builtin(
        output_folder=str(out),
        target_count=int(args["target_count"]),
        num_runs=1,
        id=0,
        time=timestamp,
        files=files,
    )

if __name__ == "__main__":
    main()