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

public class PrefabPostProcessor : PostProcessor
{
    private GameObject Prefab { get; set; }

    private GameObject ClonedPrefab { get; set; }

    private string PrefabPath => PrefabUtility.GetPrefabAssetPathOfNearestInstanceRoot(_processInstructor);

    protected override string ResourcesBaseDir => PREFAB_POSTPROCESS_DIR;
    protected override string PostProcessFolderName => Path.GetFileNameWithoutExtension(PrefabPath.Replace("/", "_"));
    protected override Object AssetToPostProcess => AssetDatabase.LoadAssetAtPath<GameObject>(PrefabPath);
    protected override string OutputAssetPath =>
        $"{ProcessedResourceDir}/{Prefab.name}_{SCENE_POST_PROCESS_NAME}.prefab";

    protected override void Init(PostProcessInstructor postProcessInstructor)
    {
        base.Init(postProcessInstructor);
        Prefab = PrefabUtility.GetNearestPrefabInstanceRoot(postProcessInstructor);
    }

    protected override PostProcessInstructor Clone()
    {
        PrefabUtility.ApplyPrefabInstance(Prefab, InteractionMode.AutomatedAction);
        AssetDatabase.CopyAsset(PrefabPath, OutputAssetPath);
        AssetDatabase.Refresh();
        ClonedPrefab =
            PrefabUtility.InstantiatePrefab(AssetDatabase.LoadAssetAtPath<GameObject>(OutputAssetPath)) as GameObject;
        if (ClonedPrefab == null)
        {
            Debug.LogError("Clone Prefab is null");
            return null;
        }

        var result = ClonedPrefab.GetComponentInChildren<PostProcessInstructor>();
        return result;
    }

    protected override void AfterAll(bool destroyAfterPostProcess)
    {
        PrefabUtility.ApplyPrefabInstance(ClonedPrefab, InteractionMode.AutomatedAction);
        EditorUtil.AddPathToAddressable(ProcessedResourceDir, PREFAB_ADDRESSABLE_GROUP);
        if (destroyAfterPostProcess)
            Object.DestroyImmediate(ClonedPrefab);
        //EditorGUIUtility.PingObject(ClonedPrefab);
    }
}