import java.lang.instrument.Instrumentation;
import java.lang.reflect.*;
import java.net.URLClassLoader;
import java.util.*;

/**
 * 只读探针 3：把骨架里所有 GO（图片附件）连同它的插槽、变换值列出；
 * 再把皮肤 "animation" 的每个条目列出。目的是看清"多出来的那批附件"是什么。
 */
public final class Probe5 {
  static Instrumentation INST;
  static ClassLoader L;
  static Class<?> ARRAY, NODE, GN;

  public static void agentmain(String args, Instrumentation inst) {
    INST = inst;
    try { run(); } catch (Throwable e) { log("失败: " + e); e.printStackTrace(System.err); }
  }

  static void log(String m) { System.err.println("[probe5] " + m); }

  static void run() throws Exception {
    for (Class<?> c : INST.getAllLoadedClasses()) {
      if (c.getClassLoader() instanceof URLClassLoader) { L = c.getClassLoader(); break; }
    }
    if (L == null) { log("找不到编辑器类加载器"); return; }
    ARRAY = Class.forName("fI", true, L);
    NODE = Class.forName("eM", true, L);
    GN = Class.forName("Gn", true, L);
    Class<?> GP = Class.forName("GP", true, L);
    Class<?> GU = Class.forName("GU", true, L);
    Class<?> GO = Class.forName("GO", true, L);
    Class<?> GPC = Class.forName("Gp", true, L);
    Class<?> GL = Class.forName("Gl", true, L);

    Object roots = rootNodes(global("Uq"));
    Object skeleton = firstOfType(roots, GP);
    if (skeleton == null) { log("拿不到骨架"); return; }
    log("骨架 = " + nameOf(skeleton));

    // 插槽
    Object slots = arrFieldOfType(GP, skeleton, GU);
    for (int i = 0; i < size(slots); i++) {
      Object s = get(slots, i);
      log("  slot[" + i + "] name=" + nameOf(s) + " bone=" + nameOf(field(s, GU, GPC)));
    }

    // 所有 GO 附件
    for (Field f : GP.getDeclaredFields()) {
      if (Modifier.isStatic(f.getModifiers()) || f.getType() != ARRAY) continue;
      f.setAccessible(true);
      Object v = f.get(skeleton);
      if (size(v) == 0) continue;
      Class<?> et = elemClass(v);
      if (et == null || !GO.isAssignableFrom(et)) continue;
      log("GP." + f.getName() + "：" + size(v) + " 个 GO");
      for (int i = 0; i < size(v); i++) {
        Object go = get(v, i);
        log("    GO[" + i + "] name=" + nameOf(go)
            + " slot=" + nameOf(field(go, GN, GU))
            + " x=" + fval(go, "x") + " y=" + fval(go, "y") + " rot=" + fval(go, "rot")
            + " sx=" + fval(go, "sx") + " sy=" + fval(go, "sy")
            + " w=" + fval(go, "w") + " h=" + fval(go, "h"));
      }
    }

    // 皮肤条目
    Object skins = arrFieldOfType(GP, skeleton, GL);
    for (int k = 0; k < size(skins); k++) {
      Object skin = get(skins, k);
      log("皮肤[" + k + "] " + nameOf(skin));
      for (int i = 0; i < size(slots); i++) {
        Object s = get(slots, i);
        Object entry = null;
        for (Method m : GL.getDeclaredMethods()) {
          Class<?>[] p = m.getParameterTypes();
          if (p.length != 2 || p[0] != GPC || p[1] != GU) continue;
          m.setAccessible(true);
          try { entry = m.invoke(skin, field(s, GU, GPC), s); } catch (Throwable ignored) { }
          if (entry != null) break;
        }
        if (entry != null) {
          log("    条目 slot=" + nameOf(s) + " -> " + describe(entry) + fields(entry));
        }
      }
    }
  }

  /** GO 的字段语义来自编辑器自己的 JSON 写入器 sb_0.java:669-675。 */
  static String fval(Object go, String which) {
    String[] names = { "D", "B", "S", "L", "I", "C", "Z" };
    String[] keys = { "x", "y", "rot", "sx", "sy", "w", "h" };
    for (int i = 0; i < keys.length; i++) {
      if (!keys[i].equals(which)) continue;
      try {
        Field f = go.getClass().getField(names[i]);
        return String.valueOf(f.getFloat(go));
      } catch (Throwable t) { return "?"; }
    }
    return "?";
  }

  static String fields(Object o) {
    StringBuilder sb = new StringBuilder();
    for (Class<?> t = o.getClass(); t != null && t != Object.class; t = t.getSuperclass()) {
      for (Field f : t.getDeclaredFields()) {
        if (Modifier.isStatic(f.getModifiers())) continue;
        f.setAccessible(true);
        Object v;
        try { v = f.get(o); } catch (Throwable e) { continue; }
        if (v == null) continue;
        String s = String.valueOf(v);
        if (s.length() > 60) s = s.substring(0, 60) + "…";
        sb.append(" ").append(f.getName()).append('=').append(s);
      }
    }
    return sb.toString();
  }

  static Object arrFieldOfType(Class<?> owner, Object target, Class<?> elem) {
    for (Field f : owner.getDeclaredFields()) {
      if (Modifier.isStatic(f.getModifiers()) || f.getType() != ARRAY) continue;
      f.setAccessible(true);
      try {
        Object v = f.get(target);
        Class<?> et = elemClass(v);
        if (et != null && elem.isAssignableFrom(et)) return v;
      } catch (Throwable ignored) { }
    }
    return null;
  }

  static Object rootNodes(Object tree) {
    for (Class<?> t = tree.getClass(); t != null && t != Object.class; t = t.getSuperclass()) {
      for (Field f : t.getDeclaredFields()) {
        if (f.getType() != ARRAY) continue;
        f.setAccessible(true);
        try {
          Object v = f.get(tree);
          if (size(v) > 0 && NODE.isAssignableFrom(elemClass(v))) return v;
        } catch (Throwable ignored) { }
      }
    }
    return null;
  }

  static Object firstOfType(Object nodes, Class<?> type) {
    if (nodes == null) return null;
    for (int i = 0; i < size(nodes); i++) {
      Object node = get(nodes, i);
      Object obj = field(node, NODE, Object.class);
      if (obj != null && type.isInstance(obj)) return obj;
      Object deep = firstOfType(field(node, NODE, ARRAY), type);
      if (deep != null) return deep;
    }
    return null;
  }

  static Object field(Object target, Class<?> from, Class<?> type) {
    if (target == null) return null;
    for (Class<?> t = from; t != null && t != Object.class; t = t.getSuperclass()) {
      for (Field f : t.getDeclaredFields()) {
        if (Modifier.isStatic(f.getModifiers())) continue;
        if (f.getType() != type) continue;
        f.setAccessible(true);
        try { return f.get(target); } catch (Throwable ignored) { }
      }
    }
    return null;
  }

  static Object global(String typeName) {
    try {
      Class<?> og = Class.forName("OG", true, L);
      for (Field f : og.getDeclaredFields()) {
        if (!Modifier.isStatic(f.getModifiers())) continue;
        if (!f.getType().getName().equals(typeName)) continue;
        f.setAccessible(true);
        Object v = f.get(null);
        if (v != null) return v;
      }
    } catch (Throwable ignored) { }
    return null;
  }

  static String nameOf(Object o) {
    if (o == null) return "null";
    try {
      return (String) Class.forName("com.spineview.SceneObjects", true, L)
          .getMethod("nameOf", Object.class).invoke(null, o);
    } catch (Throwable t) { return "?"; }
  }

  static String describe(Object o) { return o == null ? "null" : o.getClass().getName(); }

  static int size(Object a) {
    if (a == null) return 0;
    try {
      for (Field f : ARRAY.getDeclaredFields()) {
        if (f.getType() == int.class) { f.setAccessible(true); return f.getInt(a); }
      }
    } catch (Throwable ignored) { }
    return 0;
  }

  static Object get(Object a, int i) {
    if (a == null) return null;
    try {
      for (Field f : ARRAY.getDeclaredFields()) {
        if (f.getType() == Object[].class) { f.setAccessible(true); return ((Object[]) f.get(a))[i]; }
      }
    } catch (Throwable ignored) { }
    return null;
  }

  static Class<?> elemClass(Object array) {
    for (int i = 0; i < size(array); i++) { Object o = get(array, i); if (o != null) return o.getClass(); }
    return null;
  }

  static Method method(Class<?> owner, String name, Class<?>[] params, Class<?> ret) {
    for (Class<?> t = owner; t != null && t != Object.class; t = t.getSuperclass()) {
      for (Method m : t.getDeclaredMethods()) {
        if (!m.getName().equals(name) || !Arrays.equals(m.getParameterTypes(), params)) continue;
        if (ret != null && m.getReturnType() != ret) continue;
        m.setAccessible(true);
        return m;
      }
    }
    return null;
  }
}