import argparse
import json
import shutil
from pathlib import Path


MHB_ROOT = Path(__file__).resolve().parent.parent


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("data_dir", type=Path)
    args = parser.parse_args()

    data_dir = args.data_dir.expanduser().resolve()
    assert data_dir.is_dir(), f"Not found: {data_dir}"

    count = 0
    with (MHB_ROOT / "meta_data.jsonl").open("r", encoding="utf-8") as f:
        for line in f:
            if not line.strip():
                continue
            record = json.loads(line)
            if record["task_name"] != "Yaseen":
                continue

            name = f"{record['id']}.wav"
            category = record["id"].split("_")[1]
            src = data_dir / f"{category}_New_3주기" / name
            dst = MHB_ROOT / record["input_ts"]["path"]

            assert src.is_file(), f"Missing: {src}"
            assert dst.name == name
            dst.parent.mkdir(parents=True, exist_ok=True)
            shutil.copy2(src, dst)
            count += 1

    assert count == 200, f"Expected 200, got {count}"
    print(f"Yaseen: copied {count} WAV files")


if __name__ == "__main__":
    main()