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

public class BatchModify
{
    //要处理的目录
    private static string modify_path = "D:/_mrzj/develop/code/u3d/Assets/LuaFramework/AssetBundleRes/scene/terrain/map";


    static bool isChange = false;

    [MenuItem("MixTool/BatchModifyPrefab")]
    static void BatchModifyPrefab()
    {
        string[] cacheLog = { "已经处理的按钮记录:" };
        string[] curPrefabs = { "", "", "" };
        int startIndex = 0;
        string[] files = Directory.GetFiles(modify_path, "*.prefab", SearchOption.AllDirectories);
        EditorApplication.update = delegate ()
        {
            string filePath = GetRelativeAssetsPath(files[startIndex]);
            GameObject _prefab = AssetDatabase.LoadAssetAtPath(filePath, typeof(GameObject)) as GameObject;
            if (_prefab == null)
            {
                Debug.Log("该路径不能正常加载预制体 = >>> " + filePath);
                return;
            }
            GameObject find_obj = PrefabUtility.InstantiatePrefab(_prefab) as GameObject;
            if (find_obj == null)
            {
                Debug.Log("该路径不实例化预制体 = >>> " + filePath);
                return;
            }
            isChange = false;
            bool isCancel = EditorUtility.DisplayCancelableProgressBar(string.Format("资源处理中({0}/{1})", startIndex, files.Length), find_obj.name, (float)startIndex / (float)files.Length);
            
            CloseLightData(find_obj);
            //这里是修改带Text的RecTransform大小
            // ChangeTransformDeltaSize(find_obj.transform);


            if (isChange)
            {
                PrefabUtility.ReplacePrefab(find_obj, _prefab, ReplacePrefabOptions.Default);
                cacheLog[0] = CacheLog(cacheLog[0], "已经处理" + find_obj.gameObject.name, curPrefabs[0], find_obj.gameObject.name);
            }
            MonoBehaviour.DestroyImmediate(find_obj);
            startIndex++;

            if (isCancel || startIndex >= files.Length)
            {
                AssetDatabase.Refresh();
                AssetDatabase.SaveAssets();
                EditorUtility.ClearProgressBar();
                EditorApplication.update = null;
                startIndex = 0;
                Debug.Log("处理完成");
                foreach (var item in cacheLog)
                {
                    Debug.Log(item);
                }
            }
        };
    }

    static private string CacheLog(string cacheLog, string log, string lastPrefab, string curPrefab)
    {
        string str = "";
        if (lastPrefab != curPrefab)
        {
            str = "\n\n[" + curPrefab + "]\n" + log;
        }
        else
            str = "\n" + log;
        str = cacheLog + str;
        return str;
    }

    static private string GetRelativeAssetsPath(string path)
    {
        return "Assets" + Path.GetFullPath(path).Replace(Path.GetFullPath(Application.dataPath), "").Replace('\\', '/');
    }

    static private void ChangeTransformDeltaSize(Transform transform)
    {
        Text tx = transform.GetComponent<Text>();
        if (tx != null)
        {
            RectTransform rt = transform.GetComponent<RectTransform>();
            if (rt != null)
            {
                if (rt.sizeDelta.y > 20 && rt.sizeDelta.y < 30)
                {
                    rt.sizeDelta = new Vector2(rt.sizeDelta.x, 30);
                    isChange = true;
                    Debug.Log("==>" + transform.name + "  delta y = " + rt.sizeDelta);
                }
            }
        }

        int child_num = transform.childCount;
        if (child_num > 0)
        {
            for(int i = 0; i< child_num; ++i)
            {
                Transform temp_tf = transform.GetChild(i);
                if (temp_tf != null)
                {
                    ChangeTransformDeltaSize(temp_tf);
                }
            }
        }
    }

    static private void CloseLightData(GameObject go)
    {
        MeshRenderer img2 = go.GetComponent<MeshRenderer>();
        if (img2 != null)
            {
                img2.lightProbeUsage = UnityEngine.Rendering.LightProbeUsage.Off;
                isChange = true;
                // if (img2.receiveShadows || img2.lightProbeUsage != UnityEngine.Rendering.LightProbeUsage.Off || img2.reflectionProbeUsage != UnityEngine.Rendering.ReflectionProbeUsage.Off || img2.shadowCastingMode != UnityEngine.Rendering.ShadowCastingMode.Off || img2.motionVectorGenerationMode != MotionVectorGenerationMode.ForceNoMotion)
                // {
                //     img2.receiveShadows = false;
                //     img2.lightProbeUsage = UnityEngine.Rendering.LightProbeUsage.Off;
                //     img2.reflectionProbeUsage = UnityEngine.Rendering.ReflectionProbeUsage.Off;
                //     img2.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
                //     img2.motionVectorGenerationMode = MotionVectorGenerationMode.ForceNoMotion;
                //     isChange = true;
                // }
            }
    }
}