extends Node
class_name FileUtilitiesClass 

func get_file_paths_by_extension(directoryPath: String, extension: String, recursive: bool = false) -> Array:
    
	var dir : DirAccess = DirAccess.open(directoryPath)
	
	if !dir:
		printerr("Warning: could not open directory: ", directoryPath)
		return []
    
	if dir.list_dir_begin() != OK:
		printerr("Warning: could not list contents of: ", directoryPath)
		return []

	var filePaths := []
	var fileName := dir.get_next()

	while fileName != "":
		if dir.current_is_dir():
			if recursive:
				var dirPath : String = dir.get_current_dir() + "/" + fileName
				filePaths += get_file_paths_by_extension(dirPath, extension, recursive)
		else:
			if fileName.get_extension() == extension:
				var filePath : String = dir.get_current_dir() + "/" + fileName
				filePaths.append(filePath)
    
		fileName = dir.get_next()
    
	return filePaths