using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

/// <summary>
/// 替换预设中Text文字工具
/// </summary>
public class PrefabTextReplaceTools : EditorWindow
{
    private static PrefabTextReplaceTools instance;
    static string _targetTxt;                                     //被替换的文字内容
    static string _replaceTxt = "";                               //要替换的文字内容
    static string _pathRoot;                                      //查找文件路径
    static int _rate = 100;
    static int _ratePrefab = 10;
    static int _successCount = 0;

    private static void Init()
    {
        instance = EditorWindow.GetWindow<PrefabTextReplaceTools>("替换预设文字内容");
        _pathRoot = Application.dataPath + "/LuaFramework/AssetBundleRes/ui";
        instance.position = new Rect(new Vector2(604, 290), new Vector2(650, 400));
    }


    [MenuItem("Tools/替换预设Text组件text属性内容")]
    static void ShowExcelTools()
    {
        Init();
        instance.Show();
    }

    void OnGUI()
    {
        DrawOptions();
    }

    private void DrawOptions()
    {
        _targetTxt = EditorGUILayout.TextField("被替换文字内容", _targetTxt);
        _replaceTxt = EditorGUILayout.TextField("要替换文字内容", _replaceTxt);
        EditorGUILayout.Space();
        _pathRoot = EditorGUILayout.TextField("查找目录", _pathRoot);
        EditorGUILayout.Space();
        if (GUILayout.Button("转换"))
        {
            EditorCoroutineRunner.StartEditorCoroutine(Conver());
        }
        EditorGUILayout.Space();
        EditorGUILayout.Space();
        EditorGUILayout.Space();
        _rate = EditorGUILayout.IntField("每帧处理 文件 数", _rate);
        _ratePrefab = EditorGUILayout.IntField("每帧处理 预设 数", _ratePrefab);
        EditorGUILayout.HelpBox("每帧处理文件数，如果处理过程太卡，可以减少，当然也可以增加。\n目的是为了不让进程出现（未响应）", MessageType.Info);
    }

    IEnumerator Conver()
    {
        _successCount = 0;
        var files = Directory.GetFiles(_pathRoot, "*prefab*", SearchOption.AllDirectories);
        List<string> prefabsPath = new List<string>();
        //找到所有预设
       float count = 0;
        foreach (var file in files)
        {
            count++;
            if (file.EndsWith(".prefab"))
            {
                var clearPaht = file.Replace(Application.dataPath, "Assets");
                prefabsPath.Add(clearPaht);
                
                if (count % _rate == 0)
                {
                    yield return 1;
                }
                EditorUtility.DisplayProgressBar("查找文件中的预设···", "查找中 " + file, count / files.Length);
            }
        }
        count = 0;
        foreach (var singlePaht in prefabsPath)
        {   
            
            count++;
            var prefab = AssetDatabase.LoadAssetAtPath<GameObject>(singlePaht);
            
            if (prefab)
            {
                //boo = false;
                CheckSingPrefab(prefab);
                //if (boo)
                //{
                //    Debug.Log(prefab.name);
                //}
            }
            if (count % _ratePrefab == 0)
            {
                yield return 1;
            }
            EditorUtility.DisplayProgressBar("替换当前预设中Text内容", "当前 " + singlePaht, count / prefabsPath.Count);
        }
        yield return 1;
       
        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
        EditorUtility.ClearProgressBar();
        EditorUtility.DisplayDialog("提示", "查找完成，一共替换 " + _successCount + " 处", "好的呢", "");
    }
    //private bool boo = false;
    /// <summary>
    /// 循环遍历对象的每一个子对象，执行检查操作
    /// </summary>
    /// <param name="go"></param>
    void CheckSingPrefab(GameObject go)
    {

        CheckSingGameObject(go);
        foreach (Transform child in go.transform)
        {
            if (child.childCount > 0)
            {
                CheckSingPrefab(child.gameObject);
            }
            CheckSingGameObject(child.gameObject);
        }
    }

    /// <summary>
    /// 检查当前对象上是否有Text组件，如果有检查文字内容是否包含指定的内容，如果有就替换成要被替换的文字内容
    /// </summary>
    /// <param name="go"></param>
    void CheckSingGameObject(GameObject go)
    {
        var Txt = go.GetComponent<Text>();
        if (Txt)
        {
            string curStr = Txt.text;
            curStr = curStr.ToLower();
            if (curStr.Contains(_targetTxt))
            {
               string new_Str =  curStr.Replace(_targetTxt, _replaceTxt);
                _successCount++;
                //boo = true;
                Txt.text = new_Str;
                EditorUtility.SetDirty(Txt);     //必须要先一下这个 才能保存到磁盘  当资源已改变并需要保存到磁盘，Unity内部使用dirty标识来查找
            }
        
        }
    }
}