// ==UserScript==
// @name         库库AI 连签助手
// @name:zh-CN   库库AI 连签助手
// @namespace    https://github.com/Walvez/kuku-ai-signin
// @version      1.0.0
// @description  打开库库AI网页即自动完成每日连签：自动打开连签活动页并点击「立即签到」，当天签到后不再打扰。
// @author       Walvez
// @match        https://kuku.baidu.com/*
// @match        https://kukuai.cn/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_notification
// @grant        GM_openInTab
// @grant        GM_log
// @storageName  kuku_ai_signin
// @run-at       document-idle
// @tag          库库AI
// @tag          自动签到
// @tag          连签
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  var ACT_URL = 'https://kuku.baidu.com/operation/activitys/kukuPcSignAct/main';
  var AUTO_MARK = '#kuku-auto=1';
  var IS_ACT = /\/operation\/activitys\/kukuPcSignAct\//.test(location.pathname) && /kuku\.baidu\.com$/i.test(location.hostname);

  function pad(n) { return String(n).padStart(2, '0'); }
  var DAY = (function () { var d = new Date(); return d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate()); })();

  function sleep(ms) { return new Promise(function (r) { setTimeout(r, ms); }); }
  function g(k, d) { try { return GM_getValue(k, d); } catch (e) { return d; } }
  function s(k, v) { try { GM_setValue(k, v); } catch (e) {} }
  function log(m) { try { if (typeof GM_log === 'function') GM_log('[kuku] ' + m); } catch (e) {} }
  function notify(m) { try { if (typeof GM_notification === 'function') GM_notification({ title: '库库AI 连签', text: m, timeout: 5000 }); } catch (e) {} }
  function markDone(m) { s('doneDay', DAY); s('lastMessage', m); log(m); notify(m); }

  function btnEl() { return document.querySelector('button.pc-sign-btn'); }
  function btnText() { var b = btnEl(); return b ? (b.innerText || b.textContent || '').trim() : ''; }
  function bodyText() { return (document.body && (document.body.innerText || document.body.textContent)) || ''; }

  function clickLikeUser(el) {
    var x = 0, y = 0;
    try { var r = el.getBoundingClientRect(); x = r.left + r.width / 2; y = r.top + r.height / 2; } catch (e) {}
    var seq = ['pointerover', 'pointerenter', 'pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click'];
    for (var i = 0; i < seq.length; i++) {
      var t = seq[i];
      var Ev = (t.indexOf('pointer') === 0 && typeof PointerEvent === 'function') ? PointerEvent : MouseEvent;
      try {
        el.dispatchEvent(new Ev(t, { bubbles: true, cancelable: true, composed: true, view: window, clientX: x, clientY: y, button: 0 }));
      } catch (e) {}
    }
    try { el.click(); } catch (e) {}
  }

  async function pageSignin() {
    for (var i = 0; i < 60; i++) {
      var b = btnEl();
      if (b) {
        var t = btnText();
        if (/今日已签|已签到/.test(t) || b.disabled) { markDone('今日已签到'); return 'already'; }
        if (/立即签到/.test(t)) {
          clickLikeUser(b);
          for (var j = 0; j < 24; j++) {
            await sleep(500);
            var nb = btnEl();
            if ((nb && (/今日已签|已签到/.test((nb.innerText || nb.textContent || '').trim()) || nb.disabled)) ||
                /签到成功|已连续|再签/.test(bodyText())) {
              markDone('签到成功'); return 'ok';
            }
          }
          markDone('已点击签到，请查看页面结果'); return 'clicked';
        }
      }
      if (/登录后领取|立即登录|请先登录/.test(bodyText()) && !b) { markDone('未登录，请先登录库库AI'); return 'login'; }
      await sleep(500);
    }
    log('未找到签到按钮（页面结构可能变化）');
    return 'nobtn';
  }

  async function main() {
    if (IS_ACT) {
      var selfOpened = false;
      try { selfOpened = sessionStorage.getItem('kuku_auto') === '1' || location.hash.indexOf('kuku-auto=1') >= 0; } catch (e) {}
      var r = await pageSignin();
      if (selfOpened && (r === 'ok' || r === 'already')) {
        setTimeout(function () { try { window.close(); } catch (e) {} }, 1500);
      }
      return;
    }

    // 非活动页：仅当今天还没签、且距上次尝试超过 10 分钟时，后台打开活动页触发签到
    if (g('doneDay', '') === DAY) return;
    var now = Date.now();
    var last = Number(g('lastOpen', 0)) || 0;
    if (now - last < 10 * 60 * 1000) return;
    s('lastOpen', now);

    try {
      if (typeof GM_openInTab === 'function') {
        GM_openInTab(ACT_URL + AUTO_MARK, { active: false, insert: false, setParent: true });
      } else {
        window.open(ACT_URL + AUTO_MARK, '_blank');
      }
      notify('已打开连签活动页，正在自动签到…');
    } catch (e) {
      log('打开活动页失败：' + e);
    }
  }

  main().catch(function (e) { log("运行异常：" + e); });
})();