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

namespace Thousandto.Package
{
    public class CheckZValue
    {
        private const string SOURCE_PATH = "Assets/GameAssets/Resources/GameUI/Form";

        public static void Check()
        {
            EditorUtility.DisplayProgressBar("检查transform的Z值", "", 0);
            var files = GetUIPrefabs();
            var len = (float)files.Length;
            for(int i = 0; i < len; ++i)
            {
                EditorUtility.DisplayProgressBar("检查transform的Z值", Path.GetFileName(files[i]), i / len);
                var go = AssetDatabase.LoadAssetAtPath<GameObject>(files[i]);
                if (go == null)
                    continue;
                bool isChecked = false;
                CheckTransform(go.transform, (_trans) =>
                {
                    if (_trans.GetComponent<UIPanel>() != null)
                        return;

                    if (_trans.localPosition.z != 0)
                    {
                        var temp = _trans.localPosition;
                        temp.z = 0;
                        _trans.localPosition = temp;

                        isChecked = true;
                     }
                });

                if (isChecked)
                    UnityEngine.Debug.LogError("有改动的UI：" + Path.GetFileName(files[i]));
            }

            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();

            EditorUtility.ClearProgressBar();
        }

        private static string[] GetUIPrefabs()
        {
            var files = Directory.GetFiles(SOURCE_PATH, "*.prefab", SearchOption.AllDirectories);
            return files;
        }

        private static void CheckTransform(Transform trans, Action<Transform> action)
        {
            var count = trans.childCount;
            for(int i = 0; i < count; ++i)
            {
                var child = trans.GetChild(i);
                if (action != null)
                    action(child);

                CheckTransform(child, action);
            }
        }
    }
}