// WL-816f — PD 경로 Play 에서 ⓓ성능 ⓔ기능(걷기·농사·건설/확장) ⓕ되돌리기를 실측한다.
public static class WL816f_Verify
{
    public static void Start()
    {
        var go = UnityEngine.GameObject.Find("~WL816fVerify");
        if (go != null) UnityEngine.Object.DestroyImmediate(go);
        go = new UnityEngine.GameObject("~WL816fVerify");
        go.AddComponent<WL816f_VerifyRunner>();
    }
}

public class WL816f_VerifyRunner : UnityEngine.MonoBehaviour
{
    const string Dir = "Screenshots_WL/WL816f/";
    static System.Text.StringBuilder sb;
    void Start() { StartCoroutine(Co()); }

    System.Collections.IEnumerator Co()
    {
        sb = new System.Text.StringBuilder();
        if (UnityEngine.SceneManagement.SceneManager.sceneCount < 2)
        {
            var op = UnityEngine.SceneManagement.SceneManager.LoadSceneAsync("Level01", UnityEngine.SceneManagement.LoadSceneMode.Additive);
            while (op != null && !op.isDone) yield return null;
        }
        for (int i = 0; i < 6; i++) yield return new UnityEngine.WaitForSeconds(1f);

        L("=== WL-816f 검증 (PD 경로 · InGame 활성 + Level01 Additive) ===");
        L("풀 : " + WL.Look.Farm.WLIslandGrass.LastLog);
        L("Soil 톤 : farm " + WL.Look.Farm.WLIslandLook.SoilFarmsToned + " · 타일 " + WL.Look.Farm.WLIslandLook.SoilTilesRepainted);

        // ── ⓓ 성능 : 같은 카메라로 60프레임 오프스크린 렌더 ─────────
        var cam = FindLiveCam();
        L("");
        L("[성능] 카메라 " + (cam ? cam.name : "없음"));
        float onMs = RenderBench(cam, 60);
        var g = UnityEngine.Object.FindFirstObjectByType<WL.Look.Farm.WLIslandGrass>(UnityEngine.FindObjectsInactive.Include);
        int instOn = WL.Look.Farm.WLIslandGrass.Instances;
        long triOn = WL.Look.Farm.WLIslandGrass.Triangles;
        if (g != null) g.enabled = false;                 // 풀만 끈 상태
        yield return null; yield return null;
        float offMs = RenderBench(cam, 60);
        if (g != null) g.enabled = true;
        yield return null; yield return null;
        L("풀 켬 " + onMs.ToString("F3") + " ms/frame · 풀 끔 " + offMs.ToString("F3") + " ms/frame · 델타 " + (onMs - offMs).ToString("F3") + " ms");
        L("인스턴스 " + instOn + " · 삼각형(풀) " + triOn + " · 드로우콜 +" + WL.Look.Farm.WLIslandGrass.DrawnConfigs);

        // ── ⓔ 기능 ─────────────────────────────────────────────────
        L("");
        L("[기능]");
        // 풀 콜라이더 0 · 레이캐스트 · NavMesh
        int colliders = 0;
        var gobj = g != null ? g.gameObject : null;
        if (gobj != null) colliders = gobj.GetComponentsInChildren<UnityEngine.Collider>(true).Length;
        L("풀 오브젝트 콜라이더 = " + colliders + " (0 이어야 한다)");

        int hit = 0, nav = 0;
        for (int i = 0; i < 100; i++)
        {
            var p = new UnityEngine.Vector3(UnityEngine.Random.Range(-7f, 7f), 3f, UnityEngine.Random.Range(-7f, 7f));
            UnityEngine.RaycastHit h;
            if (UnityEngine.Physics.Raycast(p, UnityEngine.Vector3.down, out h, 10f)) hit++;
            UnityEngine.AI.NavMeshHit nh;
            if (UnityEngine.AI.NavMesh.SamplePosition(new UnityEngine.Vector3(p.x, 0f, p.z), out nh, 1.5f, ~0)) nav++;
        }
        L("풀밭 100점 아래 레이캐스트 적중 " + hit + "/100 · NavMesh 샘플 " + nav + "/100");

        // 걷기 — FI PlayerController 의 CharacterController
        var cc = UnityEngine.Object.FindFirstObjectByType<UnityEngine.CharacterController>(UnityEngine.FindObjectsInactive.Exclude);
        if (cc != null)
        {
            var p0 = cc.transform.position;
            var dir = new UnityEngine.Vector3(1f, 0f, 1f).normalized;
            float moved = 0f;
            for (int i = 0; i < 120; i++) { cc.Move(dir * 0.05f + UnityEngine.Vector3.down * 0.02f); yield return null; }
            moved = UnityEngine.Vector3.Distance(new UnityEngine.Vector3(p0.x, 0f, p0.z), new UnityEngine.Vector3(cc.transform.position.x, 0f, cc.transform.position.z));
            L("걷기 : " + p0.ToString("F2") + " → " + cc.transform.position.ToString("F2") + " = " + moved.ToString("F2") + " m · grounded=" + cc.isGrounded);
        }
        else L("걷기 : CharacterController 없음(미확인)");

        // 농사 — Farm/Soil 개수 + 씨뿌리기 상태 전환
        var farms = UnityEngine.Object.FindObjectsByType<CryingSnow.FarmingIsland.Farm>(UnityEngine.FindObjectsInactive.Exclude, UnityEngine.FindObjectsSortMode.None);
        var soils = UnityEngine.Object.FindObjectsByType<CryingSnow.FarmingIsland.Soil>(UnityEngine.FindObjectsInactive.Exclude, UnityEngine.FindObjectsSortMode.None);
        L("농사 : Farm " + farms.Length + " · Soil " + soils.Length);
        int painted = 0;
        for (int i = 0; i < soils.Length; i++)
        {
            var r = soils[i].GetComponentInChildren<UnityEngine.Renderer>(true);
            if (r != null && r.sharedMaterial != null) painted++;
        }
        L("Soil 렌더러 살아있음 " + painted + "/" + soils.Length + " · 첫 Soil 색 " +
          (soils.Length > 0 && soils[0].GetComponentInChildren<UnityEngine.Renderer>(true) != null
           ? UnityEngine.ColorUtility.ToHtmlStringRGB(soils[0].GetComponentInChildren<UnityEngine.Renderer>(true).material.color) : "-"));

        // 확장 — 섬 타일 수
        var islands = UnityEngine.Object.FindObjectsByType<CryingSnow.FarmingIsland.Island>(UnityEngine.FindObjectsInactive.Include, UnityEngine.FindObjectsSortMode.None);
        int unlocked = 0; for (int i = 0; i < islands.Length; i++) if (islands[i].IsUnlocked && islands[i].gameObject.activeInHierarchy) unlocked++;
        L("확장 : 섬 타일 전체 " + islands.Length + " · 열린 타일 " + unlocked + " · 풀 깔린 타일 " + WL.Look.Farm.WLIslandGrass.Tiles);

        // ── 최종 캡처 ───────────────────────────────────────────────
        Shot(FindLiveCam(), Dir + "d_final_wide.png");

        System.IO.File.WriteAllText("AgentScripts/WL816f_VERIFY.txt", sb.ToString());
        UnityEngine.Debug.Log("[816f verify]\n" + sb.ToString());
    }

    static void L(string s) { sb.AppendLine(s); }

    static UnityEngine.Camera FindLiveCam()
    {
        var cams = UnityEngine.Object.FindObjectsByType<UnityEngine.Camera>(UnityEngine.FindObjectsInactive.Exclude, UnityEngine.FindObjectsSortMode.None);
        UnityEngine.Camera top = null;
        for (int i = 0; i < cams.Length; i++)
        {
            var c = cams[i];
            if (!c.enabled || c.targetTexture != null) continue;
            if (top == null || c.depth > top.depth) top = c;
        }
        return top;
    }

    static float RenderBench(UnityEngine.Camera cam, int frames)
    {
        if (cam == null) return -1f;
        var rt = new UnityEngine.RenderTexture(1080, 1920, 24, UnityEngine.RenderTextureFormat.ARGB32, UnityEngine.RenderTextureReadWrite.sRGB);
        rt.antiAliasing = 1; rt.Create();
        var prev = cam.targetTexture; cam.targetTexture = rt;
        cam.Render();                                             // 워밍업
        var sw = System.Diagnostics.Stopwatch.StartNew();
        for (int i = 0; i < frames; i++) cam.Render();
        sw.Stop();
        cam.targetTexture = prev;
        rt.Release(); UnityEngine.Object.DestroyImmediate(rt);
        return (float)sw.Elapsed.TotalMilliseconds / frames;
    }

    static void Shot(UnityEngine.Camera cam, string path)
    {
        if (cam == null) return;
        System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(path));
        var rt = new UnityEngine.RenderTexture(1080, 1920, 24, UnityEngine.RenderTextureFormat.ARGB32, UnityEngine.RenderTextureReadWrite.sRGB);
        rt.antiAliasing = 1; rt.Create();
        var prevT = cam.targetTexture; var prevA = UnityEngine.RenderTexture.active;
        cam.targetTexture = rt; cam.Render();
        UnityEngine.RenderTexture.active = rt;
        var tex = new UnityEngine.Texture2D(1080, 1920, UnityEngine.TextureFormat.RGB24, false);
        tex.ReadPixels(new UnityEngine.Rect(0, 0, 1080, 1920), 0, 0); tex.Apply();
        System.IO.File.WriteAllBytes(path, UnityEngine.ImageConversion.EncodeToPNG(tex));
        UnityEngine.RenderTexture.active = prevA; cam.targetTexture = prevT;
        UnityEngine.Object.DestroyImmediate(tex);
        rt.Release(); UnityEngine.Object.DestroyImmediate(rt);
        L("캡처 " + path);
    }
}