using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;
using Ashwild.Network;

namespace Ashwild.EditorTools
{
    /// <summary>
    /// Editor tool that assigns a unique, stable id (>= 0) to every scene WorldObject in the open
    /// scene — Pickables and Harvestables alike, in one shared sequence. The ids are baked into the
    /// scene asset, so all clients load the exact same mapping (the scene is shared). Run after
    /// scattering or whenever scene objects are added/removed.
    /// </summary>
    public static class WorldObjectIdAssigner
    {
        #region Menu

        /// <summary>
        /// Finds all WorldObjects in the open scene and assigns them sequential unique ids.
        /// </summary>
        [MenuItem("Tools/Ashwild/Assign World Object IDs")]
        public static void Assign()
        {
            WorldObject[] objects = Object.FindObjectsByType<WorldObject>(FindObjectsInactive.Include, FindObjectsSortMode.None);
            if (objects.Length == 0)
            {
                Debug.Log("[WorldObjectIdAssigner] No WorldObject found in the open scene.");
                return;
            }

            // Deterministic order so re-runs are stable within an editor session.
            System.Array.Sort(objects, (a, b) => a.GetInstanceID().CompareTo(b.GetInstanceID()));

            int next = 0;
            foreach (WorldObject obj in objects)
            {
                SerializedObject so = new SerializedObject(obj);
                so.FindProperty("id").intValue = next++;
                so.ApplyModifiedPropertiesWithoutUndo();
                EditorUtility.SetDirty(obj);
            }

            EditorSceneManager.MarkSceneDirty(objects[0].gameObject.scene);
            Debug.Log($"[WorldObjectIdAssigner] Assigned ids to {objects.Length} WorldObject(s) (pickables + harvestables). Save the scene to bake them.");
        }

        #endregion
    }
}