// ==UserScript==
// @name         🚀云班课一键完成所有资源(AI修复版)🚀
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  修复由于蓝墨云班课页面更新导致的按钮消失和统计崩溃问题
// @author       Key77 ( With Gemini3Pro ) Handsomedog
// @match        https://www.mosoteach.cn/web*/index.php?c=res&m=index&clazz_course_id=*
// @icon
// @grant        GM_addStyle
// @license      MIT
// @downloadURL https://update.greasyfork.icu/scripts/573913/%F0%9F%9A%80%E4%BA%91%E7%8F%AD%E8%AF%BE%E4%B8%80%E9%94%AE%E5%AE%8C%E6%88%90%E6%89%80%E6%9C%89%E8%B5%84%E6%BA%90%28AI%E4%BF%AE%E5%A4%8D%E7%89%88%29%F0%9F%9A%80.user.js
// @updateURL https://update.greasyfork.icu/scripts/573913/%F0%9F%9A%80%E4%BA%91%E7%8F%AD%E8%AF%BE%E4%B8%80%E9%94%AE%E5%AE%8C%E6%88%90%E6%89%80%E6%9C%89%E8%B5%84%E6%BA%90%28AI%E4%BF%AE%E5%A4%8D%E7%89%88%29%F0%9F%9A%80.meta.js
// ==/UserScript==

(function () {
  'use strict';

  // 1. 获取课程ID
  var courseIdElem = document.getElementsByName("clazz_course_id")[0];
  if (!courseIdElem) return; // 如果不在资源页面则安全退出
  var courseId = courseIdElem.value;

  var pendingTasks = []; // 待完成的任务列表

  // 2. 遍历所有资源，动态、健壮地提取数据
  $('div[data-mime]').each(function() {
    var $res = $(this);
    var type = $res.attr("data-mime");
    var value = $res.attr("data-value");

    // 查找当前资源特有的完成状态（拖拽状态）
    var $finishSpan = $res.find('span[data-is-drag]').first();
    var finish = $finishSpan.attr("data-is-drag");

    // 如果状态为 N (未完成)，则加入任务队列
    if (finish === 'N') {
      var task = { type: type, value: value };

      if (type === 'video') {
        // 使用正则提取视频时间，避免以前脆弱的下标定位 (children[4])
        var boxText = $res.find('.create-box.manual-order-hide-part').text();
        var timeMatch = boxText.match(/(\d{2}):(\d{2}):(\d{2})/);
        if (timeMatch) {
          var hour = Number(timeMatch[1]);
          var minute = Number(timeMatch[2]);
          var second = Number(timeMatch[3]);
          task.alltime = (hour * 60 * 60) + (minute * 60) + second;
        } else {
          task.alltime = 300; // 匹配不到时间时，默认给5分钟容错时长
        }
      }
      pendingTasks.push(task);
    }
  });

  var leaveres = pendingTasks.length;
  var deepen = 0;
  var nowdeep = 0;

  // 3. 插入按钮 (增加 z-index 确保显示在最上层)
  $("#cc-main").append('<div class="progress"><div class="progressBar"><span class="progressBar-value">一键完成所有资源</span></div></div>');
  GM_addStyle(".progress {position: absolute; right: 20px; top: 75px; width: 180px; height: 25px; background: #e5e5e5; border-radius: 4px; overflow: hidden; cursor: pointer; z-index: 9999; box-shadow: 0 2px 5px rgba(0,0,0,0.2);}");
  GM_addStyle(".progressBar { width: 180px; height: 100%; display: flex; justify-content: center; align-items: center; background: cornflowerblue; background-image: linear-gradient(45deg, rgba(255, 255, 255, .15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%, transparent 75%, transparent); background-size: 40px 40px; transition: width .6s ease; border-radius: 4px; animation: progressBar 2s linear infinite;}");
  GM_addStyle(".progressBar-value { font-size: 13px; font-weight: bold; color: white; margin-right: 0px; text-shadow: 1px 1px 2px rgba(0,0,0,0.3);}");
  GM_addStyle("@keyframes progressBar { from { background-position: 40px 0; } to { background-position: 0 0; }}");

  var progressBar = document.getElementsByClassName("progressBar")[0];
  var progressBarValue = document.getElementsByClassName("progressBar-value")[0];

  if (leaveres === 0) {
    progressBarValue.innerHTML = `很厉害哦,都完成啦!!!`;
    progressBar.style.cursor = "default";
  } else {
    progressBarValue.innerHTML = `剩余 ${leaveres} 个任务 (点击开始)`;
  }

  // 4. 点击事件与请求派发
  $(".progress").click(function () {
    if (leaveres > 0) {
      deepen = (100 / leaveres).toFixed(1);
      progressBarValue.innerHTML = `进度：0%`;
      progressBar.style.width = '80px';
      progressBar.style.justifyContent = 'flex-end';
      progressBarValue.style.marginRight = '5px';
    } else {
      return;
    }

    // 错峰发送请求，防止同一时间并发过高被服务器拦截
    pendingTasks.forEach(function(task, index) {
      setTimeout(function() {
        if (task.type === 'video') {
          getVideo(task.value, task.alltime);
        } else {
          getResource(task.value);
        }
      }, index * 400); // 每个请求间隔 400 毫秒
    });
  });

  function updateProgress() {
    leaveres -= 1;
    if (leaveres <= 0) {
      progressBarValue.innerHTML = `进度：100%`;
      progressBar.style.width = '180px';
      setTimeout(() => location.reload(), 1000); // 跑完后延迟1秒刷新页面
    } else {
      nowdeep = getNowDeep(nowdeep);
      progressBar.style.width = Number(nowdeep) + 80 + 'px';
      progressBarValue.innerHTML = `进度：${nowdeep}%`;
    }
  }

  function getResource(value) {
    $.ajax({
      type: 'head',
      url: 'index.php?c=res&m=online_preview&clazz_course_id=' + courseId + '&file_id=' + value,
      complete: function () {
        updateProgress();
      }
    });
  }

  function getVideo(value, alltime) {
    $.ajax({
      type: 'post',
      dataType: 'json',
      url: 'index.php?c=res&m=save_watch_to',
      data: {
        clazz_course_id: courseId,
        res_id: value,
        watch_to: alltime,
        duration: alltime,
        current_watch_to: 0
      },
      success: function () {
        updateProgress();
      },
      error: function () {
        console.log("视频保存失败, ID: " + value);
        updateProgress(); // 即使个别失败也推进进度条，避免卡死
      }
    });
  }

  function getNowDeep(nowdeep) {
    let nextdeep = (Number(nowdeep) + Number(deepen)).toFixed(1);
    if (nextdeep >= 100 - deepen) {
      nextdeep = 100;
    } else if (nextdeep - Math.floor(nextdeep) >= 0.5) {
      nextdeep = Math.ceil(nextdeep);
    }
    return nextdeep;
  }
})();