using System.Linq;
using InfinityCode.RealWorldTerrain;
using UnityEditor;
using UnityEngine;

public class SortTerrainsForLB: EditorWindow
{
    private RealWorldTerrainContainer container;
    private bool renameGameObjects = false;

    private void OnEnable()
    {
        container = FindObjectOfType<RealWorldTerrainContainer>();
    }

    private void OnGUI()
    {
        container = EditorGUILayout.ObjectField("Container", container, typeof(RealWorldTerrainContainer), true) as RealWorldTerrainContainer;
        if (GUILayout.Button("Sort") && container != null)
        {
            RealWorldTerrainItem[] terrains = container.terrains.OrderBy(t => t.x).ThenBy(t => t.y).ToArray();
            for (int i = 0; i < terrains.Length; i++)
            {
                if (renameGameObjects) terrains[i].gameObject.name = "Terrain " + i;
                terrains[i].transform.SetSiblingIndex(i);
            }
        }
    }

    [MenuItem("Window/Infinity Code/Real World Terrain/Tools/Sort Terrains For Landscape Builder")]
    public static void OpenWindow()
    {
        GetWindow<SortTerrainsForLB>(true, "Sort Terrains");
    }
}