#if UNITY_EDITOR
using UnityEngine;
using UnityEditor;

/// HOY Gallery V2 — Editor utility
/// Menu: HOY Gallery → Build Scene
public class GallerySceneBuilder : EditorWindow
{
    [MenuItem("HOY Gallery/Build Scene")]
    static void Build()
    {
        // Remove default directional light
        var def = GameObject.Find("Directional Light");
        if (def) Object.DestroyImmediate(def);

        // ── Gallery root ──────────────────────────────────────────────────────
        var root = new GameObject("Gallery");
        var gm   = root.AddComponent<GalleryManager>();

        // Directional light
        var lgo = new GameObject("DirLight");
        lgo.transform.SetParent(root.transform);
        var dl = lgo.AddComponent<Light>();
        dl.type = LightType.Directional; dl.intensity = 0.3f; dl.shadows = LightShadows.None;
        lgo.transform.eulerAngles = new Vector3(60, -20, 0);
        gm.mainDirectionalLight = dl;

        // ── ArtworkFrame prefab ───────────────────────────────────────────────
        var frameRoot = new GameObject("ArtworkFrame");
        frameRoot.AddComponent<ArtworkFrame>();
        var col = frameRoot.AddComponent<BoxCollider>();
        col.isTrigger = true; col.size = new Vector3(1f, 1f, 0.05f);

        // White border quad (slightly behind artwork)
        var border = GameObject.CreatePrimitive(PrimitiveType.Quad);
        border.name = "Border"; border.transform.SetParent(frameRoot.transform);
        border.transform.localPosition = Vector3.zero;
        border.transform.localScale    = new Vector3(1.05f, 1.05f, 1f);
        Object.DestroyImmediate(border.GetComponent<MeshCollider>());

        // Artwork quad
        var quad = GameObject.CreatePrimitive(PrimitiveType.Quad);
        quad.name = "ArtworkQuad"; quad.transform.SetParent(frameRoot.transform);
        quad.transform.localPosition = new Vector3(0, 0, 0.01f);
        quad.transform.localScale    = Vector3.one;
        Object.DestroyImmediate(quad.GetComponent<MeshCollider>());

        var af = frameRoot.GetComponent<ArtworkFrame>();
        af.artworkRenderer = quad.GetComponent<Renderer>();

        // Label anchor below the frame
        var la = new GameObject("LabelAnchor");
        la.transform.SetParent(frameRoot.transform);
        la.transform.localPosition = new Vector3(0, -0.6f, 0.02f);
        af.labelAnchor = la.transform;

        // Save prefab
        string path = "Assets/Resources/ArtworkFrame.prefab";
        var prefab = PrefabUtility.SaveAsPrefabAsset(frameRoot, path);
        Object.DestroyImmediate(frameRoot);
        gm.artworkFramePrefab = prefab;
        Debug.Log($"Prefab saved: {path}");

        // ── Player ────────────────────────────────────────────────────────────
        var player = new GameObject("Player");
        player.tag = "Player";
        var cc = player.AddComponent<CharacterController>();
        cc.height = 1.8f; cc.radius = 0.3f; cc.center = new Vector3(0, 0.9f, 0);
        var fps = player.AddComponent<FirstPersonController>();

        var camGO = new GameObject("PlayerCamera");
        camGO.transform.SetParent(player.transform);
        camGO.transform.localPosition = new Vector3(0, 1.65f, 0);
        camGO.tag = "MainCamera";
        var cam = camGO.AddComponent<Camera>();
        cam.fieldOfView = 75f; cam.nearClipPlane = 0.1f; cam.farClipPlane = 80f;
        camGO.AddComponent<AudioListener>();
        fps.playerCamera = cam;

        Debug.Log("[HOY Gallery V2] Scene built. Now assign Materials in GalleryManager Inspector, then Play.");
        Selection.activeGameObject = root;
        EditorUtility.SetDirty(root);
    }
}
#endif