import yaml, pathlib

def load_conf():
	p = pathlib.Path('conf.yml')
	if not p.exists():
		return None
	with open(p) as fp:
		return yaml.safe_load(fp.read())

def read_file(path:pathlib.PosixPath):
	if not path.exists():
		print(f"File {path} does not exist...")
		return  None
	with open(path) as fp:
			return fp.read()

def save_file(path:pathlib.PosixPath, contents:str, overwrite=False, mkdirs=False):
	if path.exists() and not overwrite:
		print(f"File {path} already exists and overwrite is False...")
		return

	if not path.parent.exists() and not mkdirs:
		print(f"Directory {path.parent} does not exists and mkdirs is False...")
		return

	if mkdirs:
		path.parent.mkdir(parents=True, exist_ok=True)

	with open(path, 'w') as fp:
		fp.write(contents)

def ls_dir(path:str):
	directory = pathlib.Path(path)
	if not directory.exists() and not directory.is_dir():
		return None
	return list(directory.iterdir())

def get_files_in_subdir(path:str, subdir:str, suffix:str):
	template = pathlib.Path(path)
	if template.exists() and template.is_dir():
		partials_path = template / subdir;
		if partials_path.exists() and partials_path.is_dir():
			files = list(partials_path.glob('**/*.' + suffix))
			partials = [a.stem for a in files]
			return dict(zip(partials, files))
	return None