using UnityEditor;
using UnityEngine;
using System.Linq;

public class RenameSelectedObjects : EditorWindow
{
    private string baseName = "NewObject";

    [MenuItem("Tools/Rename Selected Objects")]
    public static void ShowWindow()
    {
        GetWindow<RenameSelectedObjects>("Rename Objects");
    }

    private void OnGUI()
    {
        GUILayout.Label("Rename Selected Objects", EditorStyles.boldLabel);
        baseName = EditorGUILayout.TextField("Base Name", baseName);

        if (GUILayout.Button("Rename"))
        {
            RenameObjects();
        }
    }

    private void RenameObjects()
    {
        var selectedObjects = Selection.gameObjects;

        if (selectedObjects.Length == 0)
        {
            EditorUtility.DisplayDialog("No Objects Selected", "Please select at least one object in the Hierarchy.", "OK");
            return;
        }

        // Sort selected objects by their sibling index (Hierarchy order)
        var sortedObjects = selectedObjects
            .OrderBy(obj => obj.transform.GetSiblingIndex())
            .ToArray();

        Undo.RecordObjects(sortedObjects, "Rename Objects");

        for (int i = 0; i < sortedObjects.Length; i++)
        {
            sortedObjects[i].name = $"{baseName} ({i + 1})";
        }

        EditorUtility.DisplayDialog("Rename Complete", $"Renamed {sortedObjects.Length} objects.", "OK");
    }
}