// ==UserScript==
// @name         华医网助手（自动播放视频）v2.2.1
// @namespace    http://tampermonkey.net/
// @version      2.2.1
// @description  自动播放华医网视频，跳过弹窗，状态面板，智能跳课，暂时不能考试。
// @author       Yik Liu
// @match        *://*.91huayi.com/course_ware/course_ware_polyv.aspx?*
// @match        *://*.91huayi.com/course_ware/course_list.aspx?*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';

    let examErrorCount = 0;
    let lastActivityTime = Date.now();

    function createStatusPanel() {
        const panel = document.createElement("div");
        panel.id = "huayi-status";
        panel.style.cssText = `
            position: fixed; right: 10px; bottom: 10px; z-index: 9999;
            background: rgba(0,0,0,0.75); color: #fff; padding: 10px;
            border-radius: 10px; font-size: 14px; max-width: 250px;
        `;
        panel.innerHTML = `
            <div><b>华医网助手状态</b></div>
            <div id="h-status">状态: 启动中</div>
            <div id="h-action">操作: -</div>
            <div id="h-exam">考试按钮: -</div>
            <div id="h-error">异常检测: 0 次</div>
            <div id="h-title">当前视频: -</div>
            <button id="h-next" style="margin-top:5px;">强制下一课</button>
        `;
        document.body.appendChild(panel);

        document.getElementById("h-next").onclick = () => {
            autoJumpToLearningVideo();
        };
    }

    function updateStatusPanel(status, action, exam, errors, title) {
        document.getElementById("h-status").innerText = `状态: ${status}`;
        document.getElementById("h-action").innerText = `操作: ${action}`;
        document.getElementById("h-exam").innerText = `考试按钮: ${exam}`;
        document.getElementById("h-error").innerText = `异常检测: ${errors} 次`;
        document.getElementById("h-title").innerText = `当前视频: ${title}`;
    }

    function autoSkipPopup() {
        setInterval(() => {
            try {
                document.querySelector(".pv-ask-skip")?.click();
                document.querySelector(".signBtn")?.click();
                document.querySelector("button[onclick='closeProcessbarTip()']")?.click();
                document.querySelector("button.btn_sign")?.click();
                if (document.querySelector("#floatTips")?.style.display !== "none") {
                    window.closeFloatTips?.();
                }
            } catch (err) {
                console.warn("弹窗跳过失败:", err);
            }
        }, 2000);
    }

    function autoPlayVideo() {
        const video = document.querySelector("video");
        if (!video) return;

        video.volume = 0;
        video.muted = true;

        setInterval(() => {
            if (video.paused) {
                video.play().catch(() => {});
            }
        }, 1000);

        video.addEventListener("ended", () => {
            updateStatusPanel("监控中", "播放结束", "检测中", examErrorCount, document.title);
            setTimeout(() => {
                autoJumpToLearningVideo();
            }, 10000); // 10秒延迟
        });

        video.addEventListener("play", () => {
            lastActivityTime = Date.now();
            updateStatusPanel("监控中", "播放中", "检测中", examErrorCount, document.title);
        });
    }

    function monitorInactivity() {
        setInterval(() => {
            const now = Date.now();
            const video = document.querySelector("video");
            const time = video?.currentTime || 0;

            if (now - lastActivityTime > 3 * 60 * 1000 || time === 0) {
                examErrorCount++;
                updateStatusPanel("无响应", "无操作/暂停", "检测中", examErrorCount, document.title);
                if (video?.paused) video.play();
            }

            lastActivityTime = now;
        }, 3 * 60 * 1000);
    }

    function monitorExamButton() {
        setInterval(() => {
            const btn = document.getElementById("jrks");
            const disabled = btn?.getAttribute("disabled");
            const examAvailable = disabled ? "不可用" : "可用";
            updateStatusPanel("监控中", "检测考试按钮", examAvailable, examErrorCount, document.title);
            if (!disabled) {
                try {
                    autoJumpToLearningVideo();
                } catch {
                    examErrorCount++;
                }
            }
        }, 5000);
    }

    function autoJumpToLearningVideo() {
        const items = document.querySelectorAll('li.lis-inside-content');
        let target = null;
        let status = '';
        let index = -1;

        for (let i = 0; i < items.length; i++) {
            const text = items[i].innerText;
            if (text.includes('学习中')) {
                target = items[i];
                status = '学习中';
                index = i;
                break;
            }
        }

        if (!target) {
            for (let i = 0; i < items.length; i++) {
                const text = items[i].innerText;
                if (text.includes('未学习')) {
                    target = items[i];
                    status = '未学习';
                    index = i;
                    break;
                }
            }
        }

        if (!target) {
            updateStatusPanel("待命", "所有课程完成", "-", examErrorCount, document.title);
            return;
        }

        const h2 = target.querySelector('h2.must-text');
        if (h2) {
            h2.click();
            updateStatusPanel("跳转中", `点击第 ${index + 1} 个【${status}】`, "-", examErrorCount, document.title);
        }
    }

    function addDonationPanel() {
        const panel = document.createElement("div");
        panel.style.cssText = `
            position: fixed;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.95);
            padding: 10px 15px;
            border-radius: 12px;
            box-shadow: 0 0 10px rgba(0,0,0,0.2);
            z-index: 99999;
            font-family: sans-serif;
            color: #000;
            font-size: 14px;
            max-width: 200px;
            text-align: center;
        `;

        panel.innerHTML = `
            <div style="font-size: 16px; font-weight: bold; color: red; margin-bottom: 5px;">
                如果没有时间可加v：xxsrjbhyw
            </div>
            <img src="https://i.ibb.co/CKgvr8WW/20250601161310.jpg" alt="打赏二维码" style="width: 150px; border-radius: 8px;">
            <div style="margin-top: 6px; font-style: italic;">创作不易，感谢买咖啡的钱 ☕</div>
        `;

        document.body.appendChild(panel);
    }

    function init() {
        const url = window.location.href;

        if (url.includes("course_ware/course_ware_polyv.aspx")) {
            setTimeout(() => {
                if (!document.querySelector("video")) return;

                createStatusPanel();
                autoSkipPopup();
                autoPlayVideo();
                monitorInactivity();
                monitorExamButton();
                updateStatusPanel("运行中", "初始化完成", "检测中", examErrorCount, document.title);
                addDonationPanel(); // 添加打赏信息
            }, 2000);
        }

        if (url.includes("course_ware/course_list.aspx")) {
            setTimeout(() => {
                autoJumpToLearningVideo();
            }, 3000);
        }
    }

    init();
})();