namespace deleteUtility
{


using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEngine;

public class DeleteUtility : MonoBehaviour
{
    #region Config

    public string Folder;
    
    #endregion

    [MenuItem("Assets/RecycleAll", false, 0)]
    public static void RecycleAll()
    {
        if (!EditorUtility.DisplayDialog("注意", "回收选择的对象?", "确定", "取消"))
        {
            return;
        }

        for (int i = 0; i < Selection.objects.Length; i++)
        {
            string path = AssetDatabase.GetAssetPath(Selection.objects[i]);
            string metaFilePath = path + ".meta";
            bool isDirectory = Directory.Exists(path);
            if (isDirectory)
            {
                List<string> childPathes = new List<string>();
                childPathes = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories).ToList();
                for (int j = 0; j < childPathes.Count; j++)
                {
                    BlockObect(childPathes[j]);
                }
            }
            else
            {
                BlockObect(path);
            }
            DeleteUtility instance = InstanceManager.SearchInstance<DeleteUtility>();
            if (isDirectory)
            {
                string recyclePath = $"{instance.Folder}{Path.DirectorySeparatorChar}{Path.GetFileName(path)}";
                recyclePath = recyclePath.GetUnRepeatDirectoryName();
                Directory.Move(path, recyclePath);
                File.Delete(metaFilePath);
                Debug.LogWarning($"回收文件夹 {Selection.objects[i].name}");
                AssetDatabase.Refresh();
            }
            else
            {
                string recyclePath = $"{instance.Folder}{Path.DirectorySeparatorChar}{Path.GetFileName(path)}";
                recyclePath = recyclePath.GetUnRepeatFileName();
                File.Move(path, recyclePath);
                File.Delete(metaFilePath);
                Debug.Log($"回收文件 {Selection.objects[i].name}");
                AssetDatabase.Refresh();
            }
        }
	}

    private static void BlockObect(string path)
    {
        if (path.EndsWith(".cs"))
        {
            StringBuilder stringBuilder = new StringBuilder();
            StreamReader streamReader = new StreamReader(path);
            while (!streamReader.EndOfStream)
            {
                stringBuilder.AppendLine("//" + streamReader.ReadLine());
            }
            streamReader.Close();
            StreamWriter streamWriter = new StreamWriter(path);
            streamWriter.Write(stringBuilder.ToString());
            streamWriter.Close();
        }

        AssetImporter assetImporter = AssetImporter.GetAtPath(path);
        if (assetImporter != null && assetImporter.assetBundleName != "" && assetImporter.assetBundleVariant != "")
        {
            assetImporter.SetAssetBundleNameAndVariant("", "");
            assetImporter.SaveAndReimport();
        }

        TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
        if (textureImporter != null && textureImporter.spritePackingTag != "")
        {
            textureImporter.spritePackingTag = "";
            textureImporter.SaveAndReimport();
        }
    }
}


}