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// ==UserScript==

// @name         NodeSeek 侦探标签渲染器 (温和极速版)

// @namespace    https://www.nodeseek.com/

// @version      0.5.0

// @description  脱离第三方元素依赖，原生温和挂载，无全量扫描，超低内存与 CPU 占用

// @match        https://www.nodeseek.com/*

// @match        https://www.deepflood.com/*

// @run-at       document-idle

// @grant        none

// @license      MIT

// ==/UserScript==



(() => {

  "use strict";



  // 1. 目标 UID 配置

  const DETECTIVE_UIDS = ["38057"];



  const BADGE_CLASS = "nsk-detective-badge";



  // 2. 注入轻量样式

  function injectStyle() {

    if (document.getElementById("nsk-detective-style")) return;

    const style = document.createElement("style");

    style.id = "nsk-detective-style";

    style.textContent = `

      .${BADGE_CLASS} {

        display: inline-flex;

        align-items: center;

        justify-content: center;

        padding: 1px 5px;

        margin-left: 6px;

        font-size: 11px;

        line-height: 14px;

        height: 18px;

        color: #333333;

        border: 1px solid rgba(0, 0, 0, 0.35);

        border-radius: 4px;

        background: linear-gradient(180deg, #ffffff 0%, #f3f3f3 100%);

        box-shadow: 0 1px 2px rgba(0,0,0,0.06);

        letter-spacing: 0.5px;

        font-weight: 500;

        vertical-align: middle;

        user-select: none;

        box-sizing: border-box;

      }

      @media (prefers-color-scheme: dark) {

        .${BADGE_CLASS} {

          color: #e0e0e0;

          border-color: rgba(255, 255, 255, 0.3);

          background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);

          box-shadow: 0 1px 2px rgba(0,0,0,0.25);

        }

      }

    `;

    document.head.appendChild(style);

  }



  // 3. 核心挂载逻辑（直接基于原生 .author-info 容器）

  function processAuthorInfo(container) {

    if (!(container instanceof HTMLElement)) return;

    if (container.querySelector(`.${BADGE_CLASS}`)) return;



    // 锁定当前作者的原生主页链接（排除悬浮卡片等杂项）

    const authorLink = container.querySelector("a[href^='/space/']:not(.nsx-user-info-display a)");

    if (!authorLink) return;



    const match = (authorLink.getAttribute("href") || "").match(/\/space\/(\d+)/);

    if (!match) return;



    const uid = match[1];

    if (DETECTIVE_UIDS.length > 0 && !DETECTIVE_UIDS.includes(uid)) return;



    // 创建标签

    const badge = document.createElement("span");

    badge.className = BADGE_CLASS;

    badge.textContent = "侦探";

    badge.title = `侦探认证 (UID: ${uid})`;



    // 温和追加至作者信息行末尾（无论是否有管理记录或楼主标，均自动排在最后）

    container.appendChild(badge);

  }



  // 4. 增量节点扫描

  function scanNodes(root = document) {

    if (!root || !root.querySelectorAll) return;

    const targets = root.querySelectorAll(".author-info, .info-author");

    for (let i = 0; i < targets.length; i++) {

      processAuthorInfo(targets[i]);

    }

  }



  // 5. 温和监听器（仅处理新增节点，拒绝全局扫描）

  function init() {

    injectStyle();

    scanNodes(document);



    const observer = new MutationObserver((mutations) => {

      for (const m of mutations) {

        for (const node of m.addedNodes) {

          if (node.nodeType !== 1) continue; // 仅处理 ELEMENT_NODE

          if (node.classList?.contains(BADGE_CLASS) || node.classList?.contains("layui-layer")) continue;



          if (node.matches?.(".author-info, .info-author")) {

            processAuthorInfo(node);

          } else if (node.querySelectorAll) {

            scanNodes(node);

          }

        }

      }

    });



    // 仅监听主体内容区

    const targetArea = document.querySelector(".nsk-container, #nsk-body, main") || document.body;

    observer.observe(targetArea, { childList: true, subtree: true });

  }



  if (document.readyState === "loading") {

    document.addEventListener("DOMContentLoaded", init, { once: true });

  } else {

    init();

  }

})();