import json
from pathlib import Path
from typing import Any


def save_to_json(data: Any, filename: str | Path) -> None:
    path = Path(filename)
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(json.dumps(data, ensure_ascii=False, indent=2), encoding="utf-8")


def deep_find_key(obj, target_keys: set[str], max_depth: int = 64, _depth: int = 0) -> list:
    found = []
    if _depth >= max_depth:
        return found
    if isinstance(obj, dict):
        for key, value in obj.items():
            if key.lower() in target_keys:
                found.append(value)
            found.extend(deep_find_key(value, target_keys, max_depth=max_depth, _depth=_depth + 1))
    elif isinstance(obj, list):
        for item in obj:
            found.extend(deep_find_key(item, target_keys, max_depth=max_depth, _depth=_depth + 1))
    return found