/******************************************************************************
 * Copyright (C) Ultraleap, Inc. 2011-2021.                                   *
 *                                                                            *
 * Use subject to the terms of the Apache License 2.0 available at            *
 * http://www.apache.org/licenses/LICENSE-2.0, or another agreement           *
 * between Ultraleap and you, your company or other organization.             *
 ******************************************************************************/

using System;
using System.IO;
using System.Linq;
using UnityEditor;
using UnityEngine;

public static class EmptyFolderUtility
{

    [MenuItem("Assets/Delete Empty Folders")]
    public static void DeleteEmptyFolders()
    {
        string[] directories = Directory.GetDirectories("Assets", "*", SearchOption.AllDirectories);

        foreach (var directory in directories)
        {
            try
            {
                if (!Directory.Exists(directory))
                {
                    continue;
                }

                if (Directory.GetFiles(directory, "*", SearchOption.AllDirectories).Count(p => Path.GetExtension(p) != ".meta") > 0)
                {
                    continue;
                }
            }
            catch (Exception e)
            {
                Debug.LogException(e);
            }

            try
            {
                Directory.Delete(directory, recursive: true);
            }
            catch (Exception e)
            {
                Debug.LogError("Could not delete directory " + directory);
                Debug.LogException(e);
            }

        }

        AssetDatabase.Refresh();
    }
}