// WL760_Play.cs — PD 지시 #760 2-A Play 검증 probe (런타임 전용 · 서버 쓰기 없음 · Assets 무수정)
//   unity command run_script --file AgentScripts/WL760_Play.cs --entry WL760_Play.State
//   unity command run_script --file AgentScripts/WL760_Play.cs --entry WL760_Play.SetClass --args '[10101]'
//   unity command run_script --file AgentScripts/WL760_Play.cs --entry WL760_Play.Attack
//   unity command run_script --file AgentScripts/WL760_Play.cs --entry WL760_Play.Cap --args '["10101_1"]'
//   unity command run_script --file AgentScripts/WL760_Play.cs --entry WL760_Play.Mask
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using UnityEngine;

public static class WL760_Play
{
    const string OutDir = "Screenshots_WL/combat2";
    const BindingFlags BF = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;

    static MyActor Me()
    {
        return UnityEngine.Object.FindObjectsByType<MyActor>(FindObjectsInactive.Exclude, FindObjectsSortMode.None)
                                 .FirstOrDefault();
    }

    static double HP(Actor a)
    {
        var mi = typeof(Actor).GetMethod("Get_HP", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
        if (mi == null) return double.NaN;
        return Convert.ToDouble(mi.Invoke(a, null));
    }

    // ── 현재 상태 ────────────────────────────────────────────────────────────
    public static object State()
    {
        var sb = new StringBuilder();
        sb.AppendLine("playing=" + Application.isPlaying + " scene=" +
                      UnityEngine.SceneManagement.SceneManager.GetActiveScene().name +
                      " loaded=" + string.Join("+", Enumerable.Range(0, UnityEngine.SceneManagement.SceneManager.sceneCount)
                          .Select(i => UnityEngine.SceneManagement.SceneManager.GetSceneAt(i).name)));
        var me = Me();
        if (me == null) { sb.AppendLine("MyActor: none"); return sb.ToString(); }

        var anim = me.GetComponentInChildren<Animator>();
        sb.AppendLine("MyActor pos=" + me.transform.position.ToString("F1") +
                      " ctrl=" + (anim != null && anim.runtimeAnimatorController != null ? anim.runtimeAnimatorController.name : "(null)") +
                      " hp=" + HP(me).ToString("F0"));
        if (anim != null && anim.layerCount > 0)
        {
            var ci = anim.GetCurrentAnimatorClipInfo(0);
            sb.AppendLine("  playing clip=" + (ci.Length > 0 ? ci[0].clip.name : "(none)"));
        }

        var mobs = UnityEngine.Object.FindObjectsByType<MobActor>(FindObjectsInactive.Exclude, FindObjectsSortMode.None);
        sb.AppendLine("MobActor alive=" + mobs.Length);
        foreach (var m in mobs.OrderBy(m => Vector3.Distance(m.transform.position, me.transform.position)).Take(4))
            sb.AppendLine("  " + m.name + " d=" + Vector3.Distance(m.transform.position, me.transform.position).ToString("F1") +
                          " hp=" + HP(m).ToString("F0"));
        return sb.ToString();
    }

    // ── 클래스 전환 (서버 쓰기 없음 · #747 선례) ─────────────────────────────
    public static object SetClass(int classId)
    {
        var me = Me();
        if (me == null) return "MyActor none";
        var pc = me as PCActor;
        if (pc == null) return "MyActor is not PCActor: " + me.GetType().Name;

        var data = table_classconfig.Ins.Get_Data_orNull(classId);
        if (data == null) return "class data null: " + classId;

        pc.Change_Class(data, true);
        var anim = me.GetComponentInChildren<Animator>();
        return "Change_Class(" + classId + ") ok  ctrl=" +
               (anim != null && anim.runtimeAnimatorController != null ? anim.runtimeAnimatorController.name : "(null)");
    }

    // ── 공격 1회 (자동 타겟) ─────────────────────────────────────────────────
    public static object Attack()
    {
        var me = Me();
        if (me == null) return "MyActor none";
        var sb = new StringBuilder();

        var mobs = UnityEngine.Object.FindObjectsByType<MobActor>(FindObjectsInactive.Exclude, FindObjectsSortMode.None)
                        .OrderBy(m => Vector3.Distance(m.transform.position, me.transform.position)).ToArray();
        if (mobs.Length == 0) return "no MobActor";
        var t = mobs[0];

        // 사거리 안으로 이동 + 바라보기 (입력 주입 없이 트랜스폼만 — 서버 쓰기 없음)
        var dir = (t.transform.position - me.transform.position); dir.y = 0f;
        if (dir.magnitude > 1.6f)
            me.transform.position = t.transform.position - dir.normalized * 1.5f;
        me.transform.LookAt(new Vector3(t.transform.position.x, me.transform.position.y, t.transform.position.z));

        var setT = typeof(Actor).GetMethod("Change_Target", BF);
        if (setT != null) { try { setT.Invoke(me, new object[] { false, (Actor)t, false }); } catch { } }

        sb.AppendLine("target=" + t.name + " hpBefore=" + HP(t).ToString("F0") +
                      " d=" + Vector3.Distance(me.transform.position, t.transform.position).ToString("F2"));

        double aspd = 1.0;
        try {
            var fi = typeof(Actor).GetField("m_Stat", BF);
            var stat = fi != null ? fi.GetValue(me) : null;
            if (stat != null) {
                var gm = stat.GetType().GetMethod("Get_Stat", new[] { typeof(eStat) });
                if (gm != null) aspd = Convert.ToDouble(gm.Invoke(stat, new object[] { eStat.FinalAttackSpeed }));
            }
        } catch { }
        me.Play_Attack(0, (float)aspd);
        sb.AppendLine("Play_Attack(0," + aspd.ToString("F2") + ") issued");
        return sb.ToString();
    }

    /// <summary>공격 후 대상 HP 를 다시 읽는다 (판정 ⓒ 데미지 0 아님).</summary>
    public static object Hp()
    {
        var me = Me();
        if (me == null) return "MyActor none";
        var mobs = UnityEngine.Object.FindObjectsByType<MobActor>(FindObjectsInactive.Exclude, FindObjectsSortMode.None)
                        .OrderBy(m => Vector3.Distance(m.transform.position, me.transform.position)).Take(3).ToArray();
        var anim = me.GetComponentInChildren<Animator>();
        string clip = "(none)";
        if (anim != null && anim.layerCount > 0)
        {
            var ci = anim.GetCurrentAnimatorClipInfo(0);
            if (ci.Length > 0) clip = ci[0].clip.name + " n=" + anim.GetCurrentAnimatorStateInfo(0).normalizedTime.ToString("F2");
        }
        return "clip=" + clip + "  " + string.Join(" | ", mobs.Select(m => m.name + " hp=" + HP(m).ToString("F0")));
    }

    // ── 캡처 (Assets 밖 · LightProbe.Render 패턴) ────────────────────────────
    public static object Cap(string tag)
    {
        var cam = Camera.main;
        if (cam == null) return "no Camera.main";
        System.IO.Directory.CreateDirectory(OutDir);
        int w = 1280, h = 720;
        var rt = new RenderTexture(w, h, 24, RenderTextureFormat.ARGB32);
        var go = new GameObject("__wl760cam");
        var c = go.AddComponent<Camera>();
        c.CopyFrom(cam); c.targetTexture = rt; c.enabled = false; c.Render();
        var prev = RenderTexture.active; RenderTexture.active = rt;
        var tex = new Texture2D(w, h, TextureFormat.RGB24, false);
        tex.ReadPixels(new Rect(0, 0, w, h), 0, 0); tex.Apply();
        RenderTexture.active = prev;

        // 마젠타(셰이더 미컴파일) 픽셀 카운트 — 판정 ⓓ
        var px = tex.GetPixels32();
        int magenta = 0;
        foreach (var p in px) if (p.r > 200 && p.b > 200 && p.g < 60) magenta++;

        var path = System.IO.Path.Combine(OutDir, tag + ".png");
        System.IO.File.WriteAllBytes(path, tex.EncodeToPNG());
        UnityEngine.Object.DestroyImmediate(tex);
        c.targetTexture = null; UnityEngine.Object.DestroyImmediate(go);
        rt.Release(); UnityEngine.Object.DestroyImmediate(rt);
        return path + "  magentaPx=" + magenta + "/" + px.Length;
    }

    /// <summary>씬 안의 살아 있는 슬래시 이펙트 인스턴스별 이미터 on/off 전수 (판정 ⓓ).</summary>
    public static object Mask()
    {
        var sb = new StringBuilder();
        var masks = UnityEngine.Object.FindObjectsByType<WL.Combat.SlashCrescentMask>(FindObjectsInactive.Include, FindObjectsSortMode.None);
        sb.AppendLine("SlashCrescentMask instances=" + masks.Length +
                      "  last=" + (WL.Combat.WeaponTrailDriver.LastMaskPrefab ?? "(none)"));
        foreach (var m in masks)
            sb.AppendLine("  " + m.gameObject.name + " active=" + m.gameObject.activeInHierarchy + " :: " + m.DumpState());

        var trails = UnityEngine.Object.FindObjectsByType<WL.Combat.BladeTrail>(FindObjectsInactive.Include, FindObjectsSortMode.None);
        sb.AppendLine("BladeTrail instances=" + trails.Length);
        foreach (var t in trails)
        {
            var mr = t.GetComponent<MeshRenderer>();
            sb.AppendLine("  " + t.gameObject.name + " enabled=" + t.enabled +
                          " rendererEnabled=" + (mr != null ? mr.enabled.ToString() : "(no MR)") +
                          " mat=" + (mr != null && mr.sharedMaterial != null ? mr.sharedMaterial.name + "/" +
                                     (mr.sharedMaterial.shader != null ? mr.sharedMaterial.shader.name : "?") : "(none)"));
        }
        return sb.ToString();
    }
}