// WL-814j 셋업 (게임 코드 아님 · 에디트 모드 전용)
//   asset:   unity command run_script --file AgentScripts/WL814j_Setup.cs --entry WL814j_Setup.MakeSettings
//   feature: unity command run_script --file AgentScripts/WL814j_Setup.cs --entry WL814j_Setup.AddFeature
// 🔴 URP 에셋 디스크 수정은 「인게임 렌더러 피처 1건」만(814c AddOutlineFeature 선례 그대로 · 디스크 기본 m_Active: 0).

using System;
using System.IO;
using System.Text;
using UnityEditor;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
using WL.Look.Palette;

public static class WL814j_Setup
{
    const string kSoDir = "Assets/WL/Look/Palette/Resources/WL";
    const string kSoPath = kSoDir + "/WLPaletteSettings.asset";
    const string kRendererPath = "Assets/Settings/URP-Balanced-Renderer.asset";

    static StringBuilder s_sb;
    static int s_pass, s_fail;
    static void L(string s) { s_sb.AppendLine(s); Debug.Log("[WL814j] " + s); }
    static void Chk(string n, bool ok, string d) { if (ok) s_pass++; else s_fail++; L((ok ? "  PASS " : "  FAIL ") + n + " — " + d); }
    static void Write(string p) { File.WriteAllText(p, s_sb.ToString(), new UTF8Encoding(false)); Debug.Log("[WL814j] → " + p); }

    // ═════════════════════════════════════════════════════════════════════════
    //  ① 값 SO 생성 (발주서 기본값 · C8 enabled_ = 1)
    // ═════════════════════════════════════════════════════════════════════════
    public static void MakeSettings()
    {
        s_sb = new StringBuilder(); s_pass = 0; s_fail = 0;
        L("WL-814j 팔레트 설정 SO 생성 · " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
        try
        {
            Directory.CreateDirectory(kSoDir);
            AssetDatabase.Refresh();

            var so = AssetDatabase.LoadAssetAtPath<WLPaletteSettings>(kSoPath);
            bool made = false;
            if (so == null)
            {
                so = ScriptableObject.CreateInstance<WLPaletteSettings>();
                AssetDatabase.CreateAsset(so, kSoPath);
                made = true;
            }

            // 발주서 §1 기본값 — 권장 기본 = levels 6 · dither 0.6 · 4×4 · 보정 전부 무보정
            so.enabled_ = true;
            so.verboseLog = false;
            so.minCameraMode = 1;
            so.requirePixelRig = true;
            so.mode = WLPaletteMode.ChannelLevels;
            so.levels = 6;
            so.paletteTex = null;
            so.paletteCount = 0;
            so.ditherStrength = 0.6f;
            so.dither8x8 = false;
            so.saturation = 1f;
            so.contrast = 1f;
            so.tintColor = Color.white;
            so.tintStrength = 0f;
            so.afterPostProcessing = true;
            so.quantizeInGammaSpace = true;
            EditorUtility.SetDirty(so);
            AssetDatabase.SaveAssetIfDirty(so);
            AssetDatabase.ImportAsset(kSoPath, ImportAssetOptions.ForceUpdate);

            WLPaletteSettings.ClearCache();
            var re = WLPaletteSettings.Instance;
            Chk("S SO 로드", re != null, (made ? "새로 만듦 " : "기존 갱신 ") + kSoPath);
            Chk("S Resources 경로", re != null, "Resources.Load(\"" + WLPaletteSettings.ResourcesPath + "\") = " + (re != null ? re.name : "null"));
            if (re != null)
                L("  값: enabled " + re.enabled_ + " · minCameraMode " + re.minCameraMode + " · levels " + re.levels +
                  " · dither " + re.ditherStrength + " (" + (re.dither8x8 ? "8x8" : "4x4") + ")" +
                  " · sat " + re.saturation + " · contrast " + re.contrast + " · tint " + re.tintStrength +
                  " · afterPost " + re.afterPostProcessing + " · gamma " + re.quantizeInGammaSpace);
        }
        catch (Exception ex) { s_fail++; L("EXCEPTION " + ex); }
        L("");
        L("RESULT " + (s_fail == 0 ? "PASS" : "FAIL") + " · " + s_pass + "/" + (s_pass + s_fail) + " · FAIL " + s_fail);
        Write("AgentScripts/WL814j_SETUP.txt");
    }

    // ═════════════════════════════════════════════════════════════════════════
    //  ② 렌더러 피처 추가 (🔴 URP 에셋 디스크 수정은 이 1건만)
    // ═════════════════════════════════════════════════════════════════════════
    public static void AddFeature()
    {
        s_sb = new StringBuilder(); s_pass = 0; s_fail = 0;
        L("WL-814j 팔레트 렌더러 피처 추가 · " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
        try
        {
            var urp = GraphicsSettings.currentRenderPipeline as UniversalRenderPipelineAsset;
            L("  활성 URP 에셋 = " + (urp != null ? AssetDatabase.GetAssetPath(urp) : "(없음)"));
            var rd = AssetDatabase.LoadAssetAtPath<ScriptableRendererData>(kRendererPath);
            Chk("F 렌더러 에셋", rd != null, kRendererPath);
            if (rd == null) return;

            L("  추가 전 피처 " + rd.rendererFeatures.Count + "개:");
            foreach (var f in rd.rendererFeatures)
                L("    - " + (f == null ? "(null)" : f.name + " [" + f.GetType().Name + "] active=" + f.isActive));

            var type = typeof(PaletteDitherFeature);
            foreach (var f in rd.rendererFeatures)
                if (f != null && f.GetType() == type)
                { Chk("F 이미 있음(추가 0)", true, f.name + " active=" + f.isActive); Write("AgentScripts/WL814j_FEATURE.txt"); return; }

            var feature = (ScriptableRendererFeature)ScriptableObject.CreateInstance(type);
            feature.name = "WLPaletteDither";
            feature.hideFlags = HideFlags.HideInHierarchy;
            feature.SetActive(false);        // 🔴 디스크 기본값 = off → 타이틀/로비 비용 0 · 런타임이 도트 모드에서만 켠다
            AssetDatabase.AddObjectToAsset(feature, rd);

            var so = new SerializedObject(rd);
            var feats = so.FindProperty("m_RendererFeatures");
            var map = so.FindProperty("m_RendererFeatureMap");
            feats.arraySize++;
            feats.GetArrayElementAtIndex(feats.arraySize - 1).objectReferenceValue = feature;

            // m_RendererFeatureMap = 각 피처 localFileId 를 8바이트 리틀엔디언으로 이어붙인 hex 문자열
            long id; string guid;
            AssetDatabase.TryGetGUIDAndLocalFileIdentifier(feature, out guid, out id);
            map.stringValue = map.stringValue + Hex8(id);
            so.ApplyModifiedPropertiesWithoutUndo();

            EditorUtility.SetDirty(rd);
            AssetDatabase.SaveAssets();
            AssetDatabase.ImportAsset(kRendererPath, ImportAssetOptions.ForceUpdate);

            var reload = AssetDatabase.LoadAssetAtPath<ScriptableRendererData>(kRendererPath);
            int n = 0;
            foreach (var f in reload.rendererFeatures) if (f != null && f.GetType() == type) n++;
            Chk("F 추가 확인", n == 1, "피처 " + reload.rendererFeatures.Count + "개 · WLPaletteDither " + n + "개 · map=" +
                new SerializedObject(reload).FindProperty("m_RendererFeatureMap").stringValue);
            foreach (var f in reload.rendererFeatures)
                L("    - " + (f == null ? "(null)" : f.name + " [" + f.GetType().Name + "] active=" + f.isActive));
            foreach (var f in reload.rendererFeatures)
                if (f != null && f.GetType() == type) Chk("F 디스크 기본 off", !f.isActive, "m_Active=" + (f.isActive ? 1 : 0));
        }
        catch (Exception ex) { s_fail++; L("EXCEPTION " + ex); }
        L("");
        L("RESULT " + (s_fail == 0 ? "PASS" : "FAIL") + " · " + s_pass + "/" + (s_pass + s_fail) + " · FAIL " + s_fail);
        Write("AgentScripts/WL814j_FEATURE.txt");
    }

    // ═════════════════════════════════════════════════════════════════════════
    //  ③ 손으로 넣은 YAML 을 다시 읽어 확인 (🔴 SaveAssets 0 — 저장하면 Unity 가 m_AssetVersion 2→3 으로 올린다)
    // ═════════════════════════════════════════════════════════════════════════
    public static void Reimport()
    {
        s_sb = new StringBuilder(); s_pass = 0; s_fail = 0;
        L("WL-814j 렌더러 에셋 재임포트 확인 · " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
        try
        {
            AssetDatabase.ImportAsset(kRendererPath, ImportAssetOptions.ForceUpdate | ImportAssetOptions.ForceSynchronousImport);
            var rd = AssetDatabase.LoadAssetAtPath<ScriptableRendererData>(kRendererPath);
            Chk("R 로드", rd != null, kRendererPath);
            if (rd == null) return;
            int pal = 0, nulls = 0;
            for (int i = 0; i < rd.rendererFeatures.Count; i++)
            {
                var f = rd.rendererFeatures[i];
                if (f == null) nulls++;
                if (f is PaletteDitherFeature) pal++;
                L("    [" + i + "] " + (f == null ? "(null)" : f.name + " [" + f.GetType().Name + "] active=" + f.isActive));
            }
            Chk("R 피처 3건", rd.rendererFeatures.Count == 3, rd.rendererFeatures.Count + "건");
            Chk("R null 0", nulls == 0, nulls + "건");
            Chk("R 팔레트 1건 · 디스크 off", pal == 1, "WLPaletteDither " + pal + "개");
            var so = new SerializedObject(rd);
            var mp = so.FindProperty("m_RendererFeatureMap");
            Chk("R 피처맵 길이 = 피처 수", mp != null && mp.arraySize == rd.rendererFeatures.Count,
                (mp != null ? mp.arraySize.ToString() : "?") + " / " + rd.rendererFeatures.Count);
            if (mp != null)
                for (int i = 0; i < mp.arraySize; i++)
                {
                    long id = 0; string guid;
                    if (rd.rendererFeatures[i] != null) AssetDatabase.TryGetGUIDAndLocalFileIdentifier(rd.rendererFeatures[i], out guid, out id);
                    Chk("R 맵[" + i + "]", mp.GetArrayElementAtIndex(i).longValue == id,
                        "map " + mp.GetArrayElementAtIndex(i).longValue + " vs localId " + id);
                }
            L("  🔴 AssetDatabase.SaveAssets 호출 0 — 디스크 m_AssetVersion 은 2 그대로.");
        }
        catch (Exception ex) { s_fail++; L("EXCEPTION " + ex); }
        L("");
        L("RESULT " + (s_fail == 0 ? "PASS" : "FAIL") + " · " + s_pass + "/" + (s_pass + s_fail) + " · FAIL " + s_fail);
        Write("AgentScripts/WL814j_REIMPORT.txt");
    }

    static string Hex8(long id)
    {
        var b = BitConverter.GetBytes(id);
        var sb = new StringBuilder(16);
        for (int i = 0; i < 8; i++) sb.Append(b[i].ToString("x2"));
        return sb.ToString();
    }
}