from pathlib import Path
import os
import sys
from typing import Callable

def for_each_file(path: Path, extensions: list[str] | None, func: Callable):
    for eachFile in get_files_recursive(path, extensions):
        func(eachFile)

def get_files_recursive(path: Path, extensions: list[str] | None) -> list[Path]:
    if not extensions:
        return list(path.rglob("*.*"))
    else:
        paths_list = [list(path.rglob(f"*.{ext}")) for ext in extensions]
        return [p for paths in paths_list for p in paths]

def get_empty_dirs(path: Path) -> list[Path]:
    return [curdir
            for curdir, subdirs, files in os.walk(path)
            if len(subdirs)==0 and len(files) == 0]
    
def _delete_empty_dirs(path: Path) -> bool:
    empty_dirs = get_empty_dirs(path)
    map(os.rmdir, empty_dirs)
    return bool(empty_dirs)

def delete_empty_dirs_recursive(path: Path):
    found_empty = True
    while found_empty:
        found_empty = _delete_empty_dirs(path)

def replace_filename(path: Path, replacement: str) -> Path:
    return path.parent / (replacement + path.suffix)

def move_file_new_name(src: Path, dst: Path, name: str):
    os.makedirs(dst, exist_ok=True)
    shutil.move(src, dst / f"{name}{src.suffix}")