// ==UserScript==
// @name         天津继续医学教育培训网 - 全自动极速学习助手 (2026天津市卫生培训)秒刷
// @version      5.2.0
// @description  天津继续医学教育培训网，全自动极速学习助手 (2026天津市卫生培训)，我的课表中有多少学多少，秒刷。
// @author       Assistant & Gemini
// @license      MIT
// @match        *://tjs.cmechina.net/*
// @run-at       document-end
// @grant        unsafeWindow
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_openInTab
// ==/UserScript==

(function () {
    'use strict';

    // ------------------- 全局配置与状态通信 -------------------
    const STORAGE_RUN_STATUS = 'cme_auto_running_status_v5';
    const STORAGE_LAST_FINISHED = 'cme_last_finished_timestamp';
    const ACTION_DELAY = 2500; // 统一延迟时间：2.5秒
    const MAIN_LIST_URL = 'https://tjs.cmechina.net/sip/r/814?_item=814'; // 目标列表地址

    function getAutoStatus() { return GM_getValue(STORAGE_RUN_STATUS, false); }
    function setAutoStatus(status) { GM_setValue(STORAGE_RUN_STATUS, status); }

    function notifyCourseFinished() {
        GM_setValue(STORAGE_LAST_FINISHED, Date.now());
    }

    // 强行返回主列表页 (关页失败则直接重定向)
    function returnToMainList() {
        console.log('[全自动学习助手] 触发返回主列表流程...');
        notifyCourseFinished();

        // 1. 优先尝试关闭窗口
        try { window.close(); } catch (e) {}

        // 2. 如果窗口未被浏览器关闭，启动顶级强跳
        setTimeout(() => {
            console.log('[全自动学习助手] 窗口未关闭，强制跳转至:', MAIN_LIST_URL);
            try {
                if (window.top) window.top.location.href = MAIN_LIST_URL;
                else window.location.href = MAIN_LIST_URL;
            } catch (e) {
                window.location.href = MAIN_LIST_URL;
            }
        }, 500);
    }

    // 全局弹窗拦截
    const originalAlert = unsafeWindow.alert;
    unsafeWindow.alert = function (msg) {
        console.log('[脚本拦截 Alert]:', msg);
        if (msg && (
            msg.includes('播放完成') || msg.includes('学完') ||
            msg.includes('分数') || msg.includes('结果：') ||
            msg.includes('通过') || msg.includes('顺利完成') ||
            msg.includes('保存成功') || msg.includes('提交成功') ||
            msg.includes('请重新考试')
        )) {
            return;
        }
        originalAlert(msg);
    };

    // UI 悬浮面板 (仅在顶层窗口显示)
    function createUI(statusText) {
        if (window.self !== window.top) return;

        let panel = document.getElementById('auto-study-panel');
        if (!panel) {
            panel = document.createElement('div');
            panel.id = 'auto-study-panel';
            panel.style.cssText = `
                position: fixed; top: 20px; right: 20px; z-index: 999999;
                background: #ffffff; border: 2px solid #1890ff; border-radius: 8px;
                padding: 12px 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.15);
                font-size: 13px; color: #333; min-width: 240px; font-family: sans-serif;
            `;
            (document.body || document.documentElement).appendChild(panel);
        }

        const isRunning = getAutoStatus();
        panel.innerHTML = `
            <div style="font-weight: bold; font-size: 14px; margin-bottom: 6px; color: #1890ff;">
                ⚡ 支持代刷代学👉 微信 wkds995
            </div>
            <div id="study-status" style="margin-bottom: 10px; color: #52c41a; font-size: 12px; font-weight: bold;">
                ${statusText}
            </div>
            <button id="btn-toggle" style="
                width: 100%; background: ${isRunning ? '#ff4d4f' : '#1890ff'};
                color: #fff; border: none; padding: 7px 12px; border-radius: 4px;
                cursor: pointer; font-weight: bold; font-size: 13px;
            ">${isRunning ? '暂停自动学习' : '开始极速学习'}</button>
        `;

        document.getElementById('btn-toggle').onclick = function () {
            const nextStatus = !getAutoStatus();
            setAutoStatus(nextStatus);
            location.reload();
        };
    }

    const currentUrl = location.href;

    // =========================================================================
    // 步骤 1：主框架页面 (sip/r/814) -> 自动进入实际列表页
    // =========================================================================
    if (currentUrl.includes('/sip/r/814')) {
        setTimeout(() => {
            if (!getAutoStatus()) {
                createUI('⏸️ 主框架就绪，点击开始运行');
                return;
            }
            createUI('🔍 检测内部实际列表页...');
            const iframe = document.querySelector('iframe');
            if (iframe && iframe.src && iframe.src.includes('portalClassSchedule')) {
                window.location.href = iframe.src;
            } else {
                const realListLink = Array.from(document.querySelectorAll('a')).find(a => a.href.includes('portalClassSchedule'));
                if (realListLink) window.location.href = realListLink.href;
            }
        }, 1500);
        return;
    }

    // =========================================================================
    // 步骤 2：实际列表页 (portalClassSchedule_toCwarePage.do)
    // =========================================================================
    const isListPage = currentUrl.includes('portalClassSchedule') || currentUrl.includes('studentProjectList');
    if (isListPage) {
        let initialFinishTime = GM_getValue(STORAGE_LAST_FINISHED, 0);

        setInterval(() => {
            if (!getAutoStatus()) return;
            const latestFinishTime = GM_getValue(STORAGE_LAST_FINISHED, 0);
            if (latestFinishTime > initialFinishTime) {
                createUI('🎉 子课程已完成，刷新列表页中...');
                setTimeout(() => location.reload(), 1000);
            }
        }, 1500);

        function getPendingCourses() {
            const pendingLinks = [];
            const allLinks = document.querySelectorAll('a[onclick*="queryCardByLoginUser"]');
            allLinks.forEach(link => {
                const onclickAttr = link.getAttribute('onclick') || '';
                if (onclickAttr.includes('未学习') || onclickAttr.includes('学习中')) {
                    const isDuplicate = pendingLinks.some(item => item.getAttribute('onclick') === onclickAttr);
                    if (!isDuplicate) pendingLinks.push(link);
                }
            });
            return pendingLinks;
        }

        function openCourseInNewTab(targetCourse) {
            const onclickStr = targetCourse.getAttribute('onclick') || '';

            const windowOpenHook = window.open;
            window.open = function (url) {
                GM_openInTab(url, { active: true });
                return null;
            };

            try { targetCourse.click(); } catch (e) {
                if (onclickStr) eval(`unsafeWindow.${onclickStr}`);
            }

            setTimeout(() => { window.open = windowOpenHook; }, 1000);
        }

        setTimeout(() => {
            createUI(getAutoStatus() ? '🟢 列表页监控中...' : '⏸️ 等待开启');
            if (!getAutoStatus()) return;

            const pendingList = getPendingCourses();
            if (pendingList.length > 0) {
                createUI(`🚀 发现 ${pendingList.length} 门待学课程，2.5 秒后在新窗口打开...`);
                setTimeout(() => {
                    if (getAutoStatus()) openCourseInNewTab(pendingList[0]);
                }, ACTION_DELAY);
            } else {
                const nextPageBtn = Array.from(document.querySelectorAll('a')).find(a => a.innerText.trim().includes('下一页'));
                if (nextPageBtn) {
                    createUI('⏩ 本页课程已全部完成，2.5 秒后翻页...');
                    setTimeout(() => { if (getAutoStatus()) nextPageBtn.click(); }, ACTION_DELAY);
                } else {
                    createUI('🎉 所有课程均已全部完成！');
                    setAutoStatus(false);
                }
            }
        }, 1200);
        return;
    }

    // =========================================================================
    // 步骤 3：课程/视频学习页 (zyyPxptStudy_studyCware.do)
    // =========================================================================
    const isExamPage = currentUrl.includes('afterExam') || document.getElementById('addExam1') !== null;
    const isVideoPage = !isExamPage && (currentUrl.includes('studyCware') || document.querySelector('video') !== null);

    if (isVideoPage) {
        function getPlayer() { return unsafeWindow.player || unsafeWindow.cc_js_Player || null; }

        function triggerExam() {
            const examBtn = document.getElementById('examAfter') || document.getElementById('jinruks');
            if (examBtn && !examBtn.disabled) {
                examBtn.removeAttribute('disabled');
                if (examBtn.getAttribute('onclick')) {
                    try { eval(`unsafeWindow.${examBtn.getAttribute('onclick')}`); return true; } catch (e) {}
                }
                try { examBtn.click(); return true; } catch (e) {}
            }
            if (typeof unsafeWindow.jinruks === 'function') {
                try {
                    const logId = (document.getElementById('logId') || {}).value;
                    const cid = (document.getElementById('cid') || {}).value;
                    if (logId && cid) { unsafeWindow.jinruks(logId, cid); return true; }
                } catch (e) {}
            }
            return false;
        }

        function playThenSkip() {
            let attempts = 0;
            const checkTimer = setInterval(() => {
                attempts++;
                const player = getPlayer();
                const videoEl = document.querySelector('video');
                let duration = 0;

                if (player && typeof player.getDuration === 'function') {
                    duration = player.getDuration();
                } else if (videoEl && videoEl.duration) {
                    duration = videoEl.duration;
                }

                if (duration > 3) {
                    clearInterval(checkTimer);

                    createUI(`▶️ 检测到视频(时长 ${Math.floor(duration)}s)，已启动播放...`);
                    try {
                        if (player && typeof player.play === 'function') player.play();
                        if (videoEl) { videoEl.muted = true; videoEl.play(); }
                    } catch (e) {}

                    // 严格等待 2.5 秒后跳转
                    setTimeout(() => {
                        if (!getAutoStatus()) return;

                        const targetTime = Math.max(0, duration - 3);
                        createUI(`⚡ 已播放 2.5 秒，正在跳至结尾 (${Math.floor(targetTime)}s)...`);

                        if (player) {
                            try {
                                if (typeof player.setVolume === 'function') player.setVolume(0);
                                if (typeof player.jumpToTime === 'function') player.jumpToTime(targetTime);
                                else if (typeof player.seek === 'function') player.seek(targetTime);
                            } catch (e) {}
                        } else if (videoEl) {
                            try {
                                videoEl.currentTime = targetTime;
                                videoEl.play();
                            } catch (e) {}
                        }

                        // 监控视频结束并触发测验
                        const finishMonitor = setInterval(() => {
                            let isEnded = false;
                            if (player && typeof player.getPosition === 'function') {
                                try { if (player.getPosition() >= duration - 1) isEnded = true; } catch (e) {}
                            } else if (videoEl) {
                                if (videoEl.ended || videoEl.currentTime >= duration - 1) isEnded = true;
                            }

                            if (isEnded) {
                                clearInterval(finishMonitor);
                                createUI('📝 视频播放完成，2.5 秒后进入课后测验...');
                                setTimeout(() => {
                                    if (!getAutoStatus()) return;
                                    const hasExam = triggerExam();
                                    if (!hasExam) {
                                        createUI('✅ 该课件无测验，2.5 秒后强跳回到 sip/r/814...');
                                        setTimeout(() => returnToMainList(), ACTION_DELAY);
                                    }
                                }, ACTION_DELAY);
                            }
                        }, 1000);

                    }, ACTION_DELAY);
                }

                if (attempts > 15) {
                    clearInterval(checkTimer);
                    createUI('⚠️ 未检测到视频或视频已播放完，尝试进入测验或返回...');
                    const hasExam = triggerExam();
                    if (!hasExam) {
                        setTimeout(() => returnToMainList(), ACTION_DELAY);
                    }
                }
            }, 1000);
        }

        setTimeout(() => {
            createUI(getAutoStatus() ? '🟢 检测页面状态中...' : '⏸️ 等待开启');
            if (getAutoStatus()) playThenSkip();
        }, 1200);
        return;
    }

    // =========================================================================
    // 步骤 4：考试/答题页 (zyyPxptStudy_afterExam.do) - 严格规则重构
    // =========================================================================
    if (isExamPage) {
        function autoAnswerAndClose() {
            if (!getAutoStatus()) return;

            // 获取页面中所有带有 value="1" 属性的元素 (input/option 等)
            const value1Elements = Array.from(document.querySelectorAll('input, [value="1"]'))
                .filter(el => el.getAttribute('value') === '1' || el.value === '1');

            // 核心判定：没有 value="1" 这个标签/属性 -> 代表课程已完成！
            if (value1Elements.length === 0) {
                createUI('🎉 测验页未检测到 value="1" 标签，判定课程已完成！2.5秒后跳转 sip/r/814...');
                setTimeout(() => {
                    if (getAutoStatus()) returnToMainList();
                }, ACTION_DELAY);
                return;
            }

            // 存在 value="1" 标签 -> 属于未做测验状态，自动勾选并提交
            createUI(`🎯 检测到 ${value1Elements.length} 个正确答案标记 (value="1")，正在自动填涂...`);

            value1Elements.forEach(input => {
                if (input.tagName === 'INPUT') {
                    if (!input.checked) {
                        try { input.click(); } catch (e) {}
                        input.checked = true;
                    }
                }
            });

            createUI('✅ 正确答案填涂完成，2.5 秒后提交试卷...');

            // 提交试卷
            setTimeout(() => {
                if (!getAutoStatus()) return;

                const submitBtn = document.getElementById('addExam1');
                if (typeof unsafeWindow.addexam === 'function') {
                    try { unsafeWindow.addexam(); } catch (e) { if (submitBtn) submitBtn.click(); }
                } else if (submitBtn) {
                    submitBtn.click();
                }

                // 提交后倒计时跳转回到 sip/r/814
                setTimeout(() => {
                    if (getAutoStatus()) {
                        createUI('🚀 试卷提交成功，2.5 秒后跳转回到 sip/r/814...');
                        setTimeout(() => returnToMainList(), ACTION_DELAY);
                    }
                }, ACTION_DELAY);

            }, ACTION_DELAY);
        }

        setTimeout(() => {
            createUI(getAutoStatus() ? '📝 测验助手就绪，检测 value="1" 标记中...' : '⏸️ 等待开启');
            if (getAutoStatus()) autoAnswerAndClose();
        }, 1200);
    }

})();