// WL-816n — 던전(아레나 복사본) 바닥·풀 실측 프로브. 에디트 모드 전용.
public static class WL816n_Probe
{
    public static void Run()
    {
        var sb = new System.Text.StringBuilder();
        var sc = UnityEditor.SceneManagement.EditorSceneManager.OpenScene(
            "Assets/WL/Island/Scenes/WL_Dungeon01.unity", UnityEditor.SceneManagement.OpenSceneMode.Single);
        sb.AppendLine("=== WL_Dungeon01 ===  roots=" + sc.rootCount);
        foreach (var r in sc.GetRootGameObjects())
            sb.AppendLine("  ROOT " + r.name + " active=" + r.activeSelf);

        // Terrain
        var ts = UnityEngine.Object.FindObjectsByType<UnityEngine.Terrain>(
            UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None);
        sb.AppendLine("Terrain count=" + ts.Length);
        foreach (var t in ts)
        {
            var td = t.terrainData;
            sb.AppendLine(" TERRAIN " + t.name + " mat=" + (t.materialTemplate ? t.materialTemplate.name + "/" + t.materialTemplate.shader.name : "null")
                + " size=" + (td != null ? td.size.ToString() : "?") + " pos=" + t.transform.position);
            if (td != null)
            {
                for (int i = 0; i < td.terrainLayers.Length; i++)
                {
                    var L = td.terrainLayers[i];
                    if (L == null) { sb.AppendLine("  layer" + i + " null"); continue; }
                    sb.AppendLine("  layer" + i + " " + L.name + " tex=" + (L.diffuseTexture ? L.diffuseTexture.name : "-")
                        + " remapMin=" + L.diffuseRemapMin + " remapMax=" + L.diffuseRemapMax + " tile=" + L.tileSize
                        + " path=" + UnityEditor.AssetDatabase.GetAssetPath(L));
                    if (L.diffuseTexture != null) sb.AppendLine("     texAvg=" + Avg(L.diffuseTexture as UnityEngine.Texture2D));
                }
                sb.AppendLine("  detailPrototypes=" + td.detailPrototypes.Length + " detailRes=" + td.detailResolution);
                for (int i = 0; i < td.detailPrototypes.Length; i++)
                {
                    var d = td.detailPrototypes[i];
                    sb.AppendLine("   det" + i + " mesh=" + (d.prototype ? d.prototype.name : "-") + " tex=" + (d.prototypeTexture ? d.prototypeTexture.name : "-")
                        + " healthy=" + Hex(d.healthyColor) + " dry=" + Hex(d.dryColor) + " usePrototypeMesh=" + d.usePrototypeMesh + " render=" + d.renderMode
                        + " density=" + d.density + " minW=" + d.minWidth + " maxW=" + d.maxWidth);
                }
            }
        }

        // 바닥·풀 후보 렌더러
        sb.AppendLine("--- renderers with ground/grass-ish materials ---");
        var rs = UnityEngine.Object.FindObjectsByType<UnityEngine.Renderer>(
            UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None);
        var seen = new System.Collections.Generic.HashSet<string>();
        int nR = 0;
        foreach (var r in rs)
        {
            foreach (var m in r.sharedMaterials)
            {
                if (m == null) continue;
                var n = m.name.ToLower();
                if (n.Contains("grass") || n.Contains("ground") || n.Contains("terrain") || n.Contains("floor") || n.Contains("dirt") || n.Contains("land"))
                {
                    var key = m.name;
                    if (seen.Add(key))
                        sb.AppendLine("  MAT " + m.name + " sh=" + m.shader.name + " path=" + UnityEditor.AssetDatabase.GetAssetPath(m) + " ex=" + r.name);
                }
            }
            nR++;
        }
        sb.AppendLine("  renderers=" + nR);

        // 조명
        sb.AppendLine("--- lighting ---");
        sb.AppendLine(" ambientMode=" + UnityEngine.RenderSettings.ambientMode
            + " light=" + Hex(UnityEngine.RenderSettings.ambientLight)
            + " sky=" + Hex(UnityEngine.RenderSettings.ambientSkyColor)
            + " eq=" + Hex(UnityEngine.RenderSettings.ambientEquatorColor)
            + " gr=" + Hex(UnityEngine.RenderSettings.ambientGroundColor)
            + " int=" + UnityEngine.RenderSettings.ambientIntensity
            + " skybox=" + (UnityEngine.RenderSettings.skybox ? UnityEngine.RenderSettings.skybox.name : "null")
            + " fog=" + UnityEngine.RenderSettings.fog);
        foreach (var l in UnityEngine.Object.FindObjectsByType<UnityEngine.Light>(UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None))
            sb.AppendLine(" LIGHT " + l.name + " type=" + l.type + " col=" + Hex(l.color) + " int=" + l.intensity + " rot=" + l.transform.eulerAngles + " active=" + l.gameObject.activeInHierarchy);

        // Volume
        foreach (var v in UnityEngine.Object.FindObjectsByType<UnityEngine.Rendering.Volume>(UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None))
            sb.AppendLine(" VOLUME " + v.name + " global=" + v.isGlobal + " w=" + v.weight + " prio=" + v.priority + " profile=" + (v.sharedProfile ? v.sharedProfile.name : "null") + " active=" + v.gameObject.activeInHierarchy);

        System.IO.File.WriteAllText("AgentScripts/WL816n_PROBE.txt", sb.ToString());
        UnityEngine.Debug.Log("[816n] probe written\n" + sb.ToString());
    }

    static string Hex(UnityEngine.Color c)
    {
        return "#" + UnityEngine.ColorUtility.ToHtmlStringRGB(c) + "(" + c.r.ToString("F3") + "," + c.g.ToString("F3") + "," + c.b.ToString("F3") + ")";
    }

    static string Avg(UnityEngine.Texture2D t)
    {
        if (t == null) return "-";
        var p = UnityEditor.AssetDatabase.GetAssetPath(t);
        var imp = UnityEditor.AssetImporter.GetAtPath(p) as UnityEditor.TextureImporter;
        bool rw = imp != null && imp.isReadable;
        if (!rw) return "(notReadable)";
        var px = t.GetPixels32();
        long r = 0, g = 0, b = 0;
        for (int i = 0; i < px.Length; i++) { r += px[i].r; g += px[i].g; b += px[i].b; }
        return string.Format("#{0:X2}{1:X2}{2:X2} n={3}", r / px.Length, g / px.Length, b / px.Length, px.Length);
    }
}