// WL-816b — 무기 12종 메시·텍스처 실측 (에디트 모드 · 렌더 없음)
//   unity command run_script --file AgentScripts/WL816b_Probe.cs --entry WL816b_Probe.Run
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEngine;

public static class WL816b_Probe
{
    static readonly StringBuilder sb = new StringBuilder();
    static void L(string s) { sb.AppendLine(s); }

    public const string WDIR = "Assets/Res_Addr/Weapon/";

    /// <summary>비readable 텍스처를 임포터를 건드리지 않고 sRGB 바이트로 읽는다(원본 meta 수정 0).</summary>
    public static Texture2D ReadAny(Texture src)
    {
        var rt = RenderTexture.GetTemporary(src.width, src.height, 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.sRGB);
        var prevF = (src as Texture2D) != null ? (src as Texture2D).filterMode : FilterMode.Point;
        if (src is Texture2D) ((Texture2D)src).filterMode = FilterMode.Point;
        Graphics.Blit(src, rt);
        if (src is Texture2D) ((Texture2D)src).filterMode = prevF;
        var prev = RenderTexture.active; RenderTexture.active = rt;
        var t = new Texture2D(src.width, src.height, TextureFormat.RGBA32, false);
        t.ReadPixels(new Rect(0, 0, src.width, src.height), 0, 0); t.Apply();
        RenderTexture.active = prev; RenderTexture.ReleaseTemporary(rt);
        return t;
    }

    public static void Run()
    {
        sb.Length = 0;
        L("=== WL-816b 무기 프로브 ===");
        var files = Directory.GetFiles(WDIR, "*.prefab").OrderBy(f => f).ToArray();
        foreach (var f in files)
        {
            var p = f.Replace('\\', '/');
            var go = AssetDatabase.LoadAssetAtPath<GameObject>(p);
            if (go == null) { L(Path.GetFileNameWithoutExtension(p) + " : 로드 실패"); continue; }
            var mfs = go.GetComponentsInChildren<MeshFilter>(true);
            var smrs = go.GetComponentsInChildren<SkinnedMeshRenderer>(true);
            var rends = go.GetComponentsInChildren<Renderer>(true);
            int tris = 0, verts = 0, subs = 0;
            var bb = new Bounds(Vector3.zero, Vector3.zero); bool first = true;
            foreach (var mf in mfs)
            {
                var m = mf.sharedMesh; if (m == null) continue;
                verts += m.vertexCount; subs += m.subMeshCount;
                for (int s = 0; s < m.subMeshCount; s++) tris += (int)(m.GetIndexCount(s) / 3);
                var b = m.bounds; if (first) { bb = b; first = false; } else bb.Encapsulate(b);
            }
            var texs = new List<string>();
            foreach (var r in rends)
                foreach (var mt in r.sharedMaterials)
                {
                    if (mt == null) { texs.Add("(null mat)"); continue; }
                    Texture t = null;
                    if (mt.HasProperty("_BaseMap")) t = mt.GetTexture("_BaseMap");
                    if (t == null && mt.HasProperty("_MainTex")) t = mt.GetTexture("_MainTex");
                    string tp = t == null ? "(no tex)" : AssetDatabase.GetAssetPath(t);
                    var ti = string.IsNullOrEmpty(tp) ? null : AssetImporter.GetAtPath(tp) as TextureImporter;
                    texs.Add(mt.name + "[" + mt.shader.name + "] tex=" + (t == null ? "-" : t.name + " " + t.width + "x" + t.height
                        + " fmt=" + ((t as Texture2D) != null ? ((Texture2D)t).format.ToString() : "?")
                        + " filt=" + t.filterMode + " mip=" + t.mipmapCount
                        + (ti != null ? " imp(max=" + ti.maxTextureSize + " comp=" + ti.textureCompression + " read=" + ti.isReadable + ")" : ""))
                        + " path=" + tp);
                }
            L(string.Format("{0,-26} rend={1} mf={2} smr={3} verts={4} tris={5} sub={6} size={7} ",
                Path.GetFileNameWithoutExtension(p), rends.Length, mfs.Length, smrs.Length, verts, tris, subs,
                first ? "-" : bb.size.ToString("F4")));
            foreach (var t in texs.Distinct()) L("      " + t);
            foreach (var r in rends) L("      rend '" + r.name + "' type=" + r.GetType().Name + " mats=" + r.sharedMaterials.Length);
        }

        // 텍스처 읽기 검증 — 비readable 원본을 RT 블릿으로 읽는다
        L("");
        L("=== 텍스처 읽기(블릿) 검증 ===");
        foreach (var tp in new[] {
            "Assets/ResWork/PurePoly/Fantasy RPG Weapons/Textures/PP_Color_Palette.png",
            "Assets/ResWork/Elven Weapons/Textures/Elven_Sword_01.psd",
            "Assets/ResWork/Suriyun/Cute_Goblin/Textures/Weapon/T_Dagger.png" })
        {
            var t = AssetDatabase.LoadAssetAtPath<Texture2D>(tp);
            if (t == null) { L(tp + " : 로드 실패"); continue; }
            var rd = ReadAny(t);
            var px = rd.GetPixels32();
            var set = new HashSet<int>();
            for (int i = 0; i < px.Length; i++) set.Add((px[i].r << 16) | (px[i].g << 8) | px[i].b);
            L(string.Format("{0} {1}x{2} fmt={3} 고유색={4} 샘플=({5},{6},{7})", Path.GetFileName(tp), rd.width, rd.height, t.format, set.Count, px[px.Length / 2].r, px[px.Length / 2].g, px[px.Length / 2].b));
            UnityEngine.Object.DestroyImmediate(rd);
        }

        Directory.CreateDirectory("AgentScripts");
        File.WriteAllText("AgentScripts/WL816b_PROBE.txt", sb.ToString(), new UTF8Encoding(true));
        Debug.Log("[WL816b] probe done → AgentScripts/WL816b_PROBE.txt");
    }
}