// WL-816f — 채택값을 에셋에 굽는다(에디트 모드).
//   ① 풀 머티리얼 복사본 `Farm_Grass_Demo.mat`(데모 `Instanced_Grass` 0줄 · 복사본만)
//   ② SO: 풀 머티리얼 교체 · 밀도 2.5 → 1.8
public static class WL816f_Build
{
    const string SoPath = "Assets/WL/Look/Farm/Resources/WL/WLIslandLookSettings.asset";
    const string MatPath = "Assets/WL/Look/Farm/Materials/Farm_Grass_Demo.mat";

    public static void Run()
    {
        var sb = new System.Text.StringBuilder();
        var cfg = UnityEditor.AssetDatabase.LoadAssetAtPath<WL.Look.Farm.WLIslandLookSettings>(SoPath);
        if (cfg == null) { UnityEngine.Debug.Log("SO 없음"); return; }

        // ① 풀 머티리얼 복사본
        UnityEngine.Material grassSrc = null;
        for (int i = 0; i < cfg.scatter.Length; i++)
            if (cfg.scatter[i] != null && cfg.scatter[i].label.Contains("풀")) grassSrc = cfg.scatter[i].material;
        if (grassSrc == null) { UnityEngine.Debug.Log("풀 머티리얼 없음"); return; }

        var mat = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(MatPath);
        if (mat == null)
        {
            mat = new UnityEngine.Material(grassSrc);
            mat.name = "Farm_Grass_Demo";
            UnityEditor.AssetDatabase.CreateAsset(mat, MatPath);
            sb.AppendLine("새 머티리얼 " + MatPath + " (원본 " + grassSrc.name + " 복사)");
        }
        else sb.AppendLine("기존 머티리얼 갱신 " + MatPath);

        // 816f 실측 채택값 — 풀 화면색 ≈ 바닥 화면색(데모와 같은 「안 튀는 풀」)
        mat.SetColor("_DiffuseColor", Hex("#A6E39F"));
        mat.SetColor("_ShadowDiffuseColor", Hex("#95CC8F"));
        UnityEditor.EditorUtility.SetDirty(mat);

        // ② SO
        for (int i = 0; i < cfg.scatter.Length; i++)
        {
            var s = cfg.scatter[i];
            if (s == null) continue;
            if (s.label.Contains("풀")) { s.material = mat; s.density = 1.8f; sb.AppendLine("풀: mat→Farm_Grass_Demo · density 2.5→1.8"); }
            else if (s.label.Contains("꽃")) { s.density = 1.8f; sb.AppendLine("꽃: density 2.5→1.8 (풀과 같은 층)"); }
        }
        UnityEditor.EditorUtility.SetDirty(cfg);
        UnityEditor.AssetDatabase.SaveAssets();
        UnityEditor.AssetDatabase.Refresh();

        sb.AppendLine("soilToneEnabled=" + cfg.soilToneEnabled + " soilTint=" + cfg.soilTint + " soilCheckerContrast=" + cfg.soilCheckerContrast);
        sb.AppendLine("islandTopMaterial=" + (cfg.islandTopMaterial ? cfg.islandTopMaterial.name : "없음")
            + " _BaseMap=" + (cfg.islandTopMaterial && cfg.islandTopMaterial.GetTexture("_BaseMap")
                ? cfg.islandTopMaterial.GetTexture("_BaseMap").name : "없음"));
        System.IO.File.WriteAllText("AgentScripts/WL816f_BUILD.txt", sb.ToString());
        UnityEngine.Debug.Log(sb.ToString());
    }

    static UnityEngine.Color Hex(string h)
    { UnityEngine.Color c; UnityEngine.ColorUtility.TryParseHtmlString(h, out c); return c; }
}