'use strict';
function emit(row) {
  try { send(row); } catch (e) {}
}
// dfpReport 链 Java hook: 找 dfp/udbdf 类 -> hook 请求方法 -> 抓 tReq blob + 调用栈
function bx() {
  try {
    return Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Exception").$new()).split("\n").slice(0, 14).join(" | ");
  } catch (e) { return ''; }
}
setTimeout(() => {
  try {
    Java.perform(() => {
      const hits = [];
      Java.enumerateLoadedClasses({
        onMatch(name) {
          if (/dfp|Dfp|DFP|udbdf|Udbdf/.test(name)) hits.push(name);
        },
        onComplete() {
          emit({ event: 'dfp-classes', list: hits.slice(0, 60), total: hits.length });
          for (const cn of hits.slice(0, 40)) {
            try {
              const K = Java.use(cn);
              const methods = K.class.getDeclaredMethods();
              for (const m of methods) {
                const mn = m.getName();
                if (/post|report|send|build|req|encrypt|get|init/i.test(mn) && m.getParameterTypes().length <= 6) {
                  try {
                    K[mn].overloads.forEach(ov => {
                      ov.implementation = function () {
                        const args = Array.from(arguments).map(a => {
                          try {
                            if (a === null || a === undefined) return String(a);
                            if (a instanceof Java.use("byte[]")) {
                              const arr = Java.array('byte', a);
                              return 'byte[' + arr.length + ']:' + Array.from(arr.slice(0, 48)).map(b => (b & 0xff).toString(16).padStart(2, '0')).join('');
                            }
                            const s = String(a);
                            if (s.length > 200) return s.slice(0, 80) + ('…len' + s.length);
                            if (s.indexOf('dfp') >= 0 || s.indexOf('udbdf') >= 0 || s.indexOf('571882cf') >= 0) return s;
                            return s.slice(0, 60);
                          } catch (e2) { return '<arg>'; }
                        });
                        emit({ event: 'dfp-call', cls: cn, method: mn, args: args.slice(0, 6), stack: bx() });
                        return ov.apply(this, arguments);
                      };
                    });
                  } catch (e3) {}
                }
              }
            } catch (e4) {}
          }
        },
      });
    });
  } catch (e) {
    emit({ event: 'dfp-err', msg: String(e) });
  }
}, 4000);