// WL-816a 추가 — 물(SimpleWater)도 데모 물 색으로 맞춘다.
//   데모 Water.mat 실측: _Tint(깊은 물) = (0.13333, 0.51765, 0.74510) · _Color(얕은 물) = (0.29804, 0.80000, 1.0)
//   FarmingIsland SimpleWater 원본은 Color_A271762B(깊음) = (0, 0.31609, 0.90566) · Color_E0824245(얕음) = (0.17453, 0.59879, 1)
//   🔴 원본 .mat 은 수정하지 않는다 — 복사본을 만들어 씬에서 교체.
public static class WL816a_Water
{
    const string DstScene = "Assets/WL/Look/Farm/Scenes/WL_FarmLook.unity";
    const string SrcMat = "Assets/FarmingIsland/Materials/Environments/SimpleWater.mat";
    const string NewMat = "Assets/WL/Look/Farm/Materials/Farm_SimpleWater_Demo.mat";

    public static void Run()
    {
        var sb = new System.Text.StringBuilder();
        var src = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(SrcMat);
        if (src == null) { UnityEngine.Debug.Log("[WL816a Water] 원본 없음"); return; }

        var m = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(NewMat);
        if (m == null)
        {
            if (!UnityEditor.AssetDatabase.CopyAsset(SrcMat, NewMat)) { UnityEngine.Debug.Log("[WL816a Water] 복사 실패"); return; }
            UnityEditor.AssetDatabase.Refresh();
            m = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Material>(NewMat);
        }
        if (m == null) { UnityEngine.Debug.Log("[WL816a Water] 복사본 로드 실패"); return; }

        var deepOld = m.GetColor("Color_A271762B");
        var shallowOld = m.GetColor("Color_E0824245");
        m.SetColor("Color_A271762B", new UnityEngine.Color(0.13333334f, 0.5176471f, 0.74509805f, deepOld.a));
        m.SetColor("Color_E0824245", new UnityEngine.Color(0.2980392f, 0.8000001f, 1f, shallowOld.a));
        UnityEditor.EditorUtility.SetDirty(m);
        sb.AppendLine("물 복사본 " + NewMat);
        sb.AppendLine("  깊은물 " + deepOld + " → " + m.GetColor("Color_A271762B"));
        sb.AppendLine("  얕은물 " + shallowOld + " → " + m.GetColor("Color_E0824245"));

        var scene = UnityEditor.SceneManagement.EditorSceneManager.OpenScene(
            DstScene, UnityEditor.SceneManagement.OpenSceneMode.Single);
        var comp = UnityEngine.Object.FindFirstObjectByType<WL.Look.Farm.WLFarmLook>(UnityEngine.FindObjectsInactive.Include);
        if (comp == null) { UnityEngine.Debug.Log("[WL816a Water] WLFarmLook 없음"); return; }

        var rends = UnityEngine.Object.FindObjectsByType<UnityEngine.Renderer>(
            UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None);
        var list = new System.Collections.Generic.List<WL.Look.Farm.WLFarmLook.Entry>(comp.entries);
        int n = 0;
        for (int i = 0; i < rends.Length; i++)
        {
            var r = rends[i];
            if (r == null || r is UnityEngine.ParticleSystemRenderer) continue;
            var ms = r.sharedMaterials;
            bool hit = false;
            for (int s = 0; s < ms.Length; s++) if (ms[s] == src) hit = true;
            if (!hit) continue;
            var nw = (UnityEngine.Material[])ms.Clone();
            for (int s = 0; s < nw.Length; s++) if (nw[s] == src) nw[s] = m;
            list.Add(new WL.Look.Farm.WLFarmLook.Entry
            { target = r, original = ms, toonTex = nw, toonFlat = nw });
            r.sharedMaterials = nw;
            UnityEditor.EditorUtility.SetDirty(r);
            n++;
        }
        comp.entries = list.ToArray();
        UnityEditor.EditorUtility.SetDirty(comp);
        UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(scene);
        UnityEditor.SceneManagement.EditorSceneManager.SaveScene(scene);
        UnityEditor.AssetDatabase.SaveAssets();
        sb.AppendLine("물 렌더러 교체 " + n + " · entries " + comp.entries.Length);
        UnityEngine.Debug.Log("[WL816a Water]\n" + sb.ToString());
    }
}