/******************************************************************************
 * Copyright (C) Leap Motion, Inc. 2011-2018.                                 *
 * Leap Motion proprietary and confidential.                                  *
 *                                                                            *
 * Use subject to the terms of the Leap Motion SDK Agreement available at     *
 * https://developer.leapmotion.com/sdk_agreement, or another agreement       *
 * between Leap Motion 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();
  }
}