// ==UserScript==
// @name         百度贴吧一键签到
// @namespace    https://blog.qitongtingyu.online/
// @version      1.3
// @description  一键签到所有关注的贴吧，支持大量贴吧、智能间隔防限流、失败自动重试
// @author       栖桐听雨
// @icon         https://tb3.bdstatic.com/public/icon/favicon-v2.ico
// @match        *://tieba.baidu.com/*
// @grant        GM_xmlhttpRequest
// @grant        GM_setValue
// @grant        GM_getValue
// @connect      tieba.baidu.com
// @connect      c.tieba.baidu.com
// @require      https://unpkg.com/crypto-js@4.1.1/core.js
// @require      https://unpkg.com/crypto-js@4.1.1/md5.js
// @license      MIT
// @run-at       document-end
// ==/UserScript==

(function () {
  'use strict';

  const colors = {
    primary: '#a18276', primaryDark: '#8a6f64', primaryLight: '#b89a8f',
    accent: '#f4b886', bgPrimary: '#fefdfb', bgHighlight: 'rgba(244, 184, 134, 0.3)',
    textPrimary: '#5c4a42', textWhite: '#ffffff', border: 'rgba(92, 74, 66, 0.12)',
    success: '#7a9e7e', error: '#c97b7b', info: '#a18276',
    scrollbarTrack: 'rgba(161, 130, 118, 0.08)', scrollbarThumb: 'rgba(161, 130, 118, 0.4)',
    scrollbarThumbHover: 'rgba(161, 130, 118, 0.6)',
    shadowPrimary: 'rgba(161, 130, 118, 0.35)', shadowPrimaryHover: 'rgba(161, 130, 118, 0.45)',
    shadowPrimaryActive: 'rgba(161, 130, 118, 0.3)', shadowModal: 'rgba(0, 0, 0, 0.15)'
  };

  const svgIcons = {
    close: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M18 6L6 18M6 6l12 12"/></svg>',
    check: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M20 6L9 17l-5-5"/></svg>',
    skip: '<svg viewBox="0 0 24 24" fill="currentColor"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 14.5v-9l6 4.5-6 4.5z"/></svg>',
    warn: '<svg viewBox="0 0 24 24" fill="currentColor"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z"/></svg>'
  };

  const styles = `
    body > #tiebaAutoSignBtn,
    body > .tieba-sign-mask {
      all: initial;
    }

    body > #tiebaAutoSignBtn {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 99999;
      padding: 14px 24px;
      background: linear-gradient(135deg, ${colors.primary} 0%, ${colors.primaryDark} 100%);
      color: ${colors.textWhite};
      border: none;
      border-radius: 12px;
      cursor: pointer;
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.5px;
      box-shadow: 0 6px 20px ${colors.shadowPrimary};
      transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1),
                  box-shadow 0.15s cubic-bezier(0.2, 0.8, 0.2, 1),
                  background 0.2s ease;
      -webkit-tap-highlight-color: transparent;
      touch-action: manipulation;
      outline: none;
      display: block;
    }

    body > #tiebaAutoSignBtn:hover {
      background: linear-gradient(135deg, ${colors.primaryLight} 0%, ${colors.primary} 100%);
      box-shadow: 0 8px 28px ${colors.shadowPrimaryHover};
      transform: translateY(-2px);
    }

    body > #tiebaAutoSignBtn:active {
      transform: translateY(0) scale(0.98);
      box-shadow: 0 4px 12px ${colors.shadowPrimaryActive};
    }

    body > #tiebaAutoSignBtn:disabled {
      background: linear-gradient(135deg, #a89a90 0%, #8a7268 100%);
      cursor: not-allowed;
      transform: none;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    body > .tieba-sign-mask {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.45);
      backdrop-filter: blur(4px);
      z-index: 100000;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      touch-action: none;
    }

    @keyframes noise {
      0%, 100% { background-position: 0 0; }
      10% { background-position: -5% -10%; }
      20% { background-position: -15% 5%; }
      30% { background-position: 7% -25%; }
      40% { background-position: 20% 25%; }
      50% { background-position: -25% 10%; }
      60% { background-position: 15% 5%; }
      70% { background-position: 0 15%; }
      80% { background-position: 25% 35%; }
      90% { background-position: -10% 10%; }
    }

    @keyframes progressFlow {
      0% { background-position: 0% 0%; }
      100% { background-position: 200% 0%; }
    }

    @keyframes dialogEnter {
      0% { opacity: 0; transform: scale(0.95) translateY(10px); }
      100% { opacity: 1; transform: scale(1) translateY(0); }
    }

    .noise-bg::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0.03;
      pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
      animation: noise 8s steps(10) infinite;
    }

    .tieba-sign-dialog {
      width: 90%;
      max-width: 700px;
      max-height: 85vh;
      background: ${colors.bgPrimary};
      border-radius: 16px;
      box-shadow: 0 12px 48px ${colors.shadowModal};
      display: flex;
      flex-direction: column;
      overflow: hidden;
      animation: dialogEnter 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    }

    .tieba-sign-dialog-header {
      background: linear-gradient(135deg, ${colors.primary} 0%, ${colors.primaryDark} 100%);
      color: ${colors.textWhite};
      padding: 16px 20px;
      font-size: 17px;
      font-weight: 500;
      letter-spacing: 0.5px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .tieba-sign-close {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.12);
      color: ${colors.textWhite};
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.15s ease;
      -webkit-tap-highlight-color: transparent;
    }

    .tieba-sign-close svg {
      width: 20px;
      height: 20px;
    }

    .tieba-sign-close:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: scale(1.05);
    }

    .tieba-sign-dialog-body {
      padding: 20px;
      overflow-y: auto;
      flex: 1;
      font-size: 14px;
      line-height: 1.7;
      color: ${colors.textPrimary};
    }

    .tieba-sign-dialog-body::-webkit-scrollbar {
      width: 6px;
    }

    .tieba-sign-dialog-body::-webkit-scrollbar-track {
      background: ${colors.scrollbarTrack};
      border-radius: 3px;
    }

    .tieba-sign-dialog-body::-webkit-scrollbar-thumb {
      background: ${colors.scrollbarThumb};
      border-radius: 3px;
      transition: background 0.2s ease;
    }

    .tieba-sign-dialog-body::-webkit-scrollbar-thumb:hover {
      background: ${colors.scrollbarThumbHover};
    }

    .tieba-sign-progress-container {
      margin-bottom: 16px;
    }

    .tieba-sign-progress-info {
      display: flex;
      justify-content: space-between;
      margin-bottom: 6px;
      font-size: 13px;
    }

    .tieba-sign-progress-bar-bg {
      width: 100%;
      height: 8px;
      background: ${colors.border};
      border-radius: 4px;
      overflow: hidden;
    }

    .tieba-sign-progress-bar {
      width: 0%;
      height: 100%;
      background: linear-gradient(90deg, ${colors.primary}, ${colors.accent}, ${colors.primary});
      background-size: 200% 100%;
      border-radius: 4px;
      transition: width 0.3s ease;
    }

    .tieba-sign-progress-bar.loading {
      animation: progressFlow 1.5s linear infinite;
    }

    .tieba-sign-summary {
      background: linear-gradient(135deg, ${colors.bgHighlight} 0%, rgba(244, 184, 134, 0.1) 100%);
      padding: 16px;
      border-radius: 12px;
      margin-bottom: 12px;
      border-left: 4px solid ${colors.accent};
    }

    .tieba-sign-results {
      max-height: 40vh;
      overflow-y: auto;
      margin-top: 12px;
    }

    .tieba-sign-results::-webkit-scrollbar {
      width: 6px;
    }

    .tieba-sign-results::-webkit-scrollbar-track {
      background: ${colors.scrollbarTrack};
      border-radius: 3px;
    }

    .tieba-sign-results::-webkit-scrollbar-thumb {
      background: ${colors.scrollbarThumb};
      border-radius: 3px;
    }

    .tieba-sign-result-item {
      padding: 10px 0;
      border-bottom: 1px solid ${colors.border};
      transition: background 0.15s ease;
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .tieba-sign-result-item:hover {
      background: rgba(161, 130, 118, 0.1);
    }

    .tieba-sign-result-item:last-child {
      border-bottom: none;
    }

    .tieba-sign-result-item svg {
      flex-shrink: 0;
      width: 16px;
      height: 16px;
      margin-top: 2px;
    }

    .tieba-sign-result-item.tieba-sign-success {
      color: ${colors.success};
      font-weight: 500;
    }

    .tieba-sign-result-item.tieba-sign-existed {
      color: ${colors.info};
    }

    .tieba-sign-result-item.tieba-sign-fail {
      color: ${colors.error};
      font-weight: 500;
    }

    .tieba-sign-dialog-footer {
      padding: 16px 20px;
      text-align: right;
      border-top: 1px solid ${colors.border};
    }

    .tieba-sign-confirm {
      padding: 10px 24px;
      background: linear-gradient(135deg, ${colors.primary} 0%, ${colors.primaryDark} 100%);
      color: ${colors.textWhite};
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.5px;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      min-height: 44px;
      min-width: 88px;
    }

    .tieba-sign-confirm:hover {
      box-shadow: 0 4px 16px ${colors.shadowPrimary};
      transform: translateY(-1px);
    }

    @media (max-width: 480px) {
      body > #tiebaAutoSignBtn {
        padding: 12px 20px;
        font-size: 14px;
        bottom: 16px;
        right: 16px;
        border-radius: 24px;
      }

      .tieba-sign-dialog {
        width: 95%;
        max-height: 80vh;
        border-radius: 12px;
      }

      .tieba-sign-dialog-header {
        padding: 12px 16px;
        font-size: 16px;
      }

      .tieba-sign-close {
        width: 32px;
        height: 32px;
        border-radius: 8px;
      }

      .tieba-sign-dialog-body {
        padding: 16px;
        font-size: 13px;
      }

      .tieba-sign-summary {
        padding: 12px;
      }

      .tieba-sign-confirm {
        padding: 8px 20px;
        font-size: 14px;
        min-height: 40px;
      }
    }

    @media (min-width: 481px) and (max-width: 768px) {
      body > #tiebaAutoSignBtn {
        padding: 14px 22px;
        font-size: 15px;
        bottom: 20px;
        right: 20px;
      }

      .tieba-sign-dialog {
        width: 85%;
        max-height: 80vh;
      }
    }

    @media (orientation: landscape) and (max-height: 500px) {
      .tieba-sign-dialog {
        max-height: 90vh;
        width: 80%;
      }

      body > #tiebaAutoSignBtn {
        bottom: 12px;
        padding: 10px 18px;
        font-size: 13px;
      }
    }
  `;

  const CACHE_KEY = 'tieba_sign_cache_v2';
  const FAKE_VERSION = '9.7.8.0';

  function makeFakeParams(obj) {
    return Object.assign({
      _client_type: 4,
      _client_version: FAKE_VERSION,
      _phone_imei: '0'.repeat(15),
      model: 'HUAWEI P40',
      net_type: 1,
      stErrorNums: 1,
      stMethod: 1,
      stMode: 1,
      stSize: 320,
      stTime: 117,
      stTimesNum: 1,
      timestamp: Date.now()
    }, obj);
  }

  function sign(payload) {
    const sortKeys = Object.keys(payload).sort();
    let str = sortKeys.reduce((acc, key) => acc += `${key}=${payload[key]}`, '');
    str += 'tiebaclient!!!';
    return CryptoJS.MD5(str).toString();
  }

  function getTodayCache() {
    const today = new Date();
    const dateStr = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}-${String(today.getDate()).padStart(2, '0')}`;
    const cache = JSON.parse(GM_getValue(CACHE_KEY, '{}'));
    if (cache.date !== dateStr) {
      GM_setValue(CACHE_KEY, JSON.stringify({ date: dateStr, signed: {} }));
      return new Map();
    }
    return new Map(Object.entries(cache.signed || {}));
  }

  function saveToCache(forumName) {
    const today = new Date();
    const dateStr = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}-${String(today.getDate()).padStart(2, '0')}`;
    const cache = JSON.parse(GM_getValue(CACHE_KEY, '{}'));
    if (cache.date !== dateStr) {
      cache.date = dateStr;
      cache.signed = {};
    }
    cache.signed[forumName] = true;
    GM_setValue(CACHE_KEY, JSON.stringify(cache));
  }

  function createStyles() {
    const style = document.createElement('style');
    style.textContent = styles;
    document.head.appendChild(style);
  }

  function isMobile() {
    return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) || window.innerWidth <= 768;
  }

  function createProgressDialog(title) {
    document.querySelector('.tieba-sign-mask')?.remove();
    const mask = document.createElement('div');
    mask.className = 'tieba-sign-mask';
    mask.innerHTML = `
      <div class="tieba-sign-dialog noise-bg">
        <div class="tieba-sign-dialog-header">
          <span>${title}</span>
          <button class="tieba-sign-close">${svgIcons.close}</button>
        </div>
        <div class="tieba-sign-dialog-body">
          <div class="tieba-sign-progress-container">
            <div class="tieba-sign-progress-info">
              <span class="tieba-sign-progress-text">准备中...</span>
              <span class="tieba-sign-progress-percent">0%</span>
            </div>
            <div class="tieba-sign-progress-bar-bg">
              <div class="tieba-sign-progress-bar"></div>
            </div>
          </div>
          <div class="tieba-sign-summary"></div>
          <div class="tieba-sign-results"></div>
        </div>
        <div class="tieba-sign-dialog-footer">
          <button class="tieba-sign-confirm">确定</button>
        </div>
      </div>
    `;
    document.body.appendChild(mask);
    document.body.style.overflow = 'hidden';

    const el = {
      progressText: mask.querySelector('.tieba-sign-progress-text'),
      progressPercent: mask.querySelector('.tieba-sign-progress-percent'),
      progressBar: mask.querySelector('.tieba-sign-progress-bar'),
      summary: mask.querySelector('.tieba-sign-summary'),
      results: mask.querySelector('.tieba-sign-results'),
      closeBtn: mask.querySelector('.tieba-sign-close'),
      confirmBtn: mask.querySelector('.tieba-sign-confirm')
    };

    let aborted = false;
    const close = () => {
      aborted = true;
      mask.remove();
      document.body.style.overflow = '';
    };

    el.closeBtn.addEventListener('click', close);
    el.confirmBtn.addEventListener('click', close);
    el.confirmBtn.addEventListener('touchend', e => { e.preventDefault(); close(); });
    mask.addEventListener('click', e => e.target === mask && close());

    return {
      updateProgress: (current, total) => {
        if (aborted) return;
        const percent = total > 0 ? Math.round((current / total) * 100) : 0;
        el.progressText.textContent = `处理中：${current}/${total}`;
        el.progressPercent.textContent = `${percent}%`;
        el.progressBar.style.width = `${percent}%`;
        el.progressBar.classList.remove('loading');
      },
      appendResult: (status, text) => {
        if (aborted) return;
        const item = document.createElement('div');
        item.className = `tieba-sign-result-item tieba-sign-${status}`;
        let icon = svgIcons.warn;
        if (status === 'success') icon = svgIcons.check;
        if (status === 'existed') icon = svgIcons.skip;
        item.innerHTML = `${icon}<span>${text.replace(/\n/g, '<br>')}</span>`;
        el.results.appendChild(item);
        el.results.scrollTop = el.results.scrollHeight;
      },
      updateSummary: (success, existed, fail, totalContSign, totalCount) => {
        if (aborted) return;
        el.summary.innerHTML = `<strong>签到汇总</strong><br>总数：<strong>${totalCount}</strong> | 成功：<strong>${success}</strong> | 跳过：<strong>${existed}</strong> | 失败：<strong>${fail}</strong><br>累计连续签到：<strong>${totalContSign}</strong>天`;
      },
      setLoading: (text) => {
        if (aborted) return;
        el.progressText.textContent = text;
        el.progressBar.style.width = '30%';
        el.progressBar.classList.add('loading');
      },
      setComplete: () => {
        if (aborted) return;
        el.progressText.textContent = '完成';
        el.confirmBtn.textContent = '确定';
        el.progressBar.classList.remove('loading');
      },
      getAborted: () => aborted
    };
  }

  function createSignButton() {
    if (document.getElementById('tiebaAutoSignBtn')) return;
    const btn = document.createElement('button');
    btn.id = 'tiebaAutoSignBtn';
    btn.textContent = '贴吧一键签到';
    btn.className = 'noise-bg';
    btn.addEventListener('click', async () => {
      if (btn.disabled) return;
      btn.disabled = true;
      btn.textContent = '签到中...';
      await autoSign();
      btn.disabled = false;
      btn.textContent = '贴吧一键签到';
    });
    document.body.appendChild(btn);
  }

  function extractTiebaNamesFromHtml(html) {
    const names = new Set();
    const regex = /<a href="\/f\?kw=([^"]+)" title="([^"]+)">([^<]+)<\/a>/g;
    let match;
    while ((match = regex.exec(html)) !== null) {
      const name = (match[2] || match[3]).trim();
      if (name) names.add(name);
    }
    if (names.size === 0) {
      const regex2 = /balvname="([^"]+)"/g;
      while ((match = regex2.exec(html)) !== null) {
        const name = match[1].trim();
        if (name) names.add(name);
      }
    }
    return [...names];
  }

  function showErrorPrompt(message) {
    const defaultTieba = 'redstone_machinery_communication';
    const input = prompt(`${message}\n\n已为你填充默认贴吧：${defaultTieba}\n如需添加其他贴吧，请用英文逗号分隔`, defaultTieba);
    return input ? input.split(',').map(name => name.trim()).filter(name => name).map(name => ({ forum_name: name })) : [];
  }

  async function getFollowedTieba() {
    const forumMap = new Map();

    const addForums = (forums) => {
      forums.forEach(f => {
        const name = f.forum_name?.trim() || f.name?.trim();
        const id = f.forum_id?.toString() || f.id?.toString();
        if (name) {
          if (id && forumMap.has(id)) {
            forumMap.get(id).forum_name = name;
          } else {
            forumMap.set(id || name, { forum_name: name });
          }
        }
      });
    };

    const fromPage = () => {
      const html = document.querySelector('html')?.innerHTML || '';
      const forumIndex = html.indexOf('{"forumArr":');
      if (forumIndex !== -1) {
        try {
          const content = html.slice(forumIndex);
          const forumEnd = content.indexOf(');');
          const jsonStr = content.slice(0, forumEnd);
          const data = JSON.parse(jsonStr);
          if (data.forumArr && Array.isArray(data.forumArr)) {
            addForums(data.forumArr);
          }
        } catch (e) { }
      }
    };

    const fromNewmoindex = async () => {
      return new Promise(resolve => {
        GM_xmlhttpRequest({
          method: 'POST',
          url: 'https://tieba.baidu.com/mo/q/newmoindex',
          headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
            'Cookie': document.cookie,
            'User-Agent': navigator.userAgent
          },
          timeout: 20000,
          onload: r => {
            try {
              const data = JSON.parse(r.responseText || '{}');
              if (data.data?.like_forum && Array.isArray(data.data.like_forum)) {
                addForums(data.data.like_forum);
              }
            } catch { }
            resolve();
          },
          onerror: () => resolve(),
          ontimeout: () => resolve()
        });
      });
    };

    const fromAppApi = async () => {
      const appCommonHeader = {
        'User-agent': `bdtb for Android ${FAKE_VERSION}`,
        Accept: '',
        'Content-Type': 'application/x-www-form-urlencoded'
      };

      let page = 1;
      let hasMore = true;

      while (hasMore && page <= 50) {
        const baseParams = makeFakeParams({
          BDUSS: document.cookie.match(/BDUSS=([^;]+)/)?.[1] || '',
          page_no: page,
          page_size: 200
        });
        const params = { ...baseParams, sign: sign(baseParams) };

        const dataStr = Object.keys(params).map(k => `${k}=${encodeURIComponent(params[k])}`).join('&');

        const response = await new Promise(resolve => {
          GM_xmlhttpRequest({
            method: 'POST',
            url: 'https://c.tieba.baidu.com/c/f/forum/like',
            headers: { ...appCommonHeader, 'Cookie': document.cookie },
            data: dataStr,
            timeout: 20000,
            onload: r => {
              try {
                resolve(JSON.parse(r.responseText || '{}'));
              } catch {
                resolve({});
              }
            },
            onerror: () => resolve({}),
            ontimeout: () => resolve({})
          });
        });

        if (response.forum_list) {
          const forums = [];
          if (response.forum_list.non_gconforum) {
            const list = Array.isArray(response.forum_list.non_gconforum) ? response.forum_list.non_gconforum : [];
            forums.push(...list);
          }
          if (response.forum_list.gconforum) {
            const list = Array.isArray(response.forum_list.gconforum) ? response.forum_list.gconforum : [];
            forums.push(...list);
          }
          if (Array.isArray(response.forum_list)) {
            forums.push(...response.forum_list);
          }
          addForums(forums);
        }

        hasMore = response.has_more === '1' || response.has_more === 1;
        page++;
        await new Promise(r => setTimeout(r, 200));
      }
    };

    const fromMylike = async () => {
      let page = 1;
      while (page <= 50) {
        const html = await new Promise(resolve => {
          GM_xmlhttpRequest({
            method: 'GET',
            url: `https://tieba.baidu.com/f/like/mylike?pn=${page}`,
            headers: { 'Cookie': document.cookie, 'User-Agent': navigator.userAgent },
            timeout: 20000,
            onload: r => resolve(r.responseText || ''),
            onerror: () => resolve(''),
            ontimeout: () => resolve('')
          });
        });
        const names = extractTiebaNamesFromHtml(html);
        names.forEach(name => {
          if (name) forumMap.set(name, { forum_name: name });
        });
        if (names.length < 20) break;
        await new Promise(r => setTimeout(r, 300));
        page++;
      }
    };

    fromPage();
    await fromNewmoindex();
    await fromAppApi();
    await fromMylike();

    const tiebaList = [...forumMap.values()];
    return tiebaList.length > 0 ? tiebaList : showErrorPrompt('自动提取贴吧列表失败');
  }

  async function getTBS() {
    return new Promise(resolve => {
      GM_xmlhttpRequest({
        method: 'GET',
        url: 'https://tieba.baidu.com/dc/common/tbs',
        headers: { 'Cookie': document.cookie },
        timeout: 10000,
        onload: r => {
          try { resolve(JSON.parse(r.responseText).tbs || ''); }
          catch { resolve(''); }
        },
        onerror: () => resolve('')
      });
    });
  }

  async function signSingleTieba(name) {
    return new Promise(async resolve => {
      const tbs = await getTBS();
      const data = `ie=utf-8&kw=${encodeURIComponent(name)}${tbs ? `&tbs=${tbs}` : ''}`;
      GM_xmlhttpRequest({
        method: 'POST',
        url: 'https://tieba.baidu.com/sign/add',
        data: data,
        headers: {
          'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
          'Referer': `https://tieba.baidu.com/f?kw=${encodeURIComponent(name)}`,
          'Cookie': document.cookie
        },
        timeout: 15000,
        onload: r => {
          try {
            const res = JSON.parse(r.responseText);
            switch (res.no) {
              case 0: resolve({ status: 'success', msg: `${name}：签到成功\n连续签到：${res.data?.uinfo?.cont_sign_num || 0}天 | 总签到：${res.data?.uinfo?.total_sign_num || 0}次\n本吧排名：${res.data?.finfo?.current_rank_info?.sign_count || 0}` }); break;
              case 1101: resolve({ status: 'existed', msg: `${name}：今日已签到` }); break;
              case 100002: resolve({ status: 'fail', msg: `${name}：未登录/登录过期` }); break;
              case 34004: resolve({ status: 'fail', msg: `${name}：需要验证` }); break;
              default: resolve({ status: 'fail', msg: `${name}：失败（${res.error || '未知错误'}）` }); break;
            }
          } catch { resolve({ status: 'fail', msg: `${name}：解析失败` }); }
        },
        onerror: () => resolve({ status: 'fail', msg: `${name}：网络错误` }),
        ontimeout: () => resolve({ status: 'fail', msg: `${name}：请求超时` })
      });
    });
  }

  async function autoSign() {
    const dialog = createProgressDialog('贴吧一键签到');
    try {
      dialog.setLoading('获取关注贴吧列表...');
      const tiebaList = await getFollowedTieba();
      if (dialog.getAborted()) return;

      if (tiebaList.length === 0) {
        dialog.appendResult('fail', '未获取到任何需要签到的贴吧');
        dialog.updateSummary(0, 0, 1, 0, 0);
        dialog.setComplete();
        return;
      }

      const cache = getTodayCache();
      const toSign = [];
      const skipped = [];
      const failedList = [];

      for (const t of tiebaList) {
        if (cache.has(t.forum_name)) {
          skipped.push({ status: 'existed', msg: `${t.forum_name}：今日已签到（缓存）` });
        } else {
          toSign.push(t);
        }
      }

      let [success, existed, fail, contSign] = [0, skipped.length, 0, 0];
      dialog.updateSummary(success, existed, fail, contSign, tiebaList.length);

      skipped.forEach((res, index) => {
        dialog.appendResult(res.status, res.msg);
        dialog.updateProgress(skipped.length + index + 1, tiebaList.length);
      });

      if (toSign.length === 0) {
        dialog.appendResult('existed', '所有贴吧今日均已签到');
        dialog.updateProgress(tiebaList.length, tiebaList.length);
        dialog.setComplete();
        return;
      }

      const baseDelay = isMobile() ? 1500 : 1200;
      const batchDelay = 5000;
      const batchSize = 5;

      for (let i = 0; i < toSign.length; i++) {
        if (dialog.getAborted()) break;

        dialog.updateProgress(skipped.length + i + 1, tiebaList.length);

        const res = await signSingleTieba(toSign[i].forum_name);
        dialog.appendResult(res.status, res.msg);

        if (res.status === 'success') {
          success++;
          saveToCache(toSign[i].forum_name);
          const match = res.msg.match(/连续签到：(\d+)天/);
          if (match) contSign += parseInt(match[1]);
        } else if (res.status === 'existed') {
          existed++;
          saveToCache(toSign[i].forum_name);
        } else {
          fail++;
          failedList.push(toSign[i]);
        }

        dialog.updateSummary(success, existed, fail, contSign, tiebaList.length);

        if (i !== toSign.length - 1) {
          if (dialog.getAborted()) break;
          const randomOffset = Math.floor(Math.random() * 500);
          await new Promise(r => setTimeout(r, baseDelay + randomOffset));
        }

        if ((i + 1) % batchSize === 0 && i !== toSign.length - 1) {
          if (dialog.getAborted()) break;
          await new Promise(r => setTimeout(r, batchDelay));
        }
      }

      if (failedList.length > 0 && !dialog.getAborted()) {
        dialog.appendResult('info', `准备重试 ${failedList.length} 个失败的贴吧...`);
        await new Promise(r => setTimeout(r, 10000));

        for (let j = 0; j < failedList.length; j++) {
          if (dialog.getAborted()) break;

          const name = failedList[j].forum_name;
          dialog.updateProgress(skipped.length + toSign.length + j + 1, tiebaList.length + failedList.length);

          const res = await signSingleTieba(name);
          dialog.appendResult(res.status, res.msg);

          if (res.status === 'success') {
            success++;
            fail--;
            saveToCache(name);
            const match = res.msg.match(/连续签到：(\d+)天/);
            if (match) contSign += parseInt(match[1]);
          } else if (res.status === 'existed') {
            existed++;
            fail--;
            saveToCache(name);
          }

          dialog.updateSummary(success, existed, fail, contSign, tiebaList.length);

          if (j !== failedList.length - 1) {
            if (dialog.getAborted()) break;
            await new Promise(r => setTimeout(r, 3000 + Math.floor(Math.random() * 2000)));
          }
        }
      }

      dialog.updateProgress(tiebaList.length, tiebaList.length);
      dialog.setComplete();
    } catch {
      if (!dialog.getAborted()) {
        dialog.appendResult('fail', '签到过程出错');
        dialog.updateSummary(0, 0, 1, 0, 0);
        dialog.setComplete();
      }
    }
  }

  function init() {
    createStyles();
    setTimeout(createSignButton, isMobile() ? 3000 : 2000);
  }

  document.readyState === 'complete' ? init() : window.addEventListener('load', init);
})();