// ==UserScript==
// @name         基金业协会视频自动播放
// @namespace    https://www.nekotofu.top/
// @homepage    https://www.nekotofu.top/
// @version      1.0
// @description 基金业协会视频自动下一个，但题目目前需要自己答。
// @author       misaka10032w
// @match        *://peixun.amac.org.cn/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=microsoft.com
// @noframes
// @license MIT
// @grant        GM_registerMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';
    // 检查浏览器是否支持通知并在页面加载时请求权限
    if (!("Notification" in window)) {
        console.log("浏览器不支持通知");
    } else if (Notification.permission !== "granted") {
        Notification.requestPermission().then(permission => {
            if (permission !== "granted") {
                customLog("用户拒绝了通知权限","red");
            }
        });
    }
    function sendNotification(title, content) {
        if (Notification.permission === "granted") {
            showNotification(title, content);
        } else {
            customLog("通知权限未授予，需要点击地址栏左边按钮重置通知权限","red");
        }
    }
    function showNotification(title, content) {
        const notification = new Notification(title, { body: content });
        notification.onclick = () => {
            // TODO
            customLog("用户点击了通知","green");
        };
    }
    //自定义LOG
    function customLog(message, backgroundColor, color = "white") {
        console.log(`%c${message}`, `background: ${backgroundColor}; color: ${color}; padding: 2px 4px; border-radius: 2px;`);
    }
    //关闭弹窗
    function closePopup() {
        const pop = document.querySelector(".class_float");
        if (pop.style.display != "none") {
            var close = pop.getElementsByClassName("btn-close")[0]
            close.click();
        }
    }
    //获取课程列表
    let nowPlaying;
    function getCourse() {
        const courseList = document.querySelectorAll(".catalog-content a");
        const ignoredClasses = ["studied", "test", "testRev", "testScore"];
        for (const course of courseList) {
            const hasIgnoredClass = ignoredClasses.some(cls => course.classList.contains(cls));
            if (!hasIgnoredClass) {
                customLog("存在未播放的项，播放列表未完成", "yellow", "black");
                nowPlaying = course;
                customLog(nowPlaying.textContent, "white", "black");
                if (!nowPlaying.classList.contains("cur")) {
                    customLog("当前视频已播放完毕", "green");
                    nowPlaying.click();
                }
                return nowPlaying;
            }
        }
        // 所有项都已经播放，播放列表已完成
        return false;
    }
    //注册菜单
    const defaultPlaybackRate = 1.0;
    let playBackRate = GM_getValue('playBackRate', defaultPlaybackRate);
    GM_registerMenuCommand('设置播放速率', setPlaybackRate);
    function setPlaybackRate() {
        const newRate = prompt('请输入新的播放速率，不建议太高，可能会被检测:', playBackRate);
        if (newRate !== null) {
            playBackRate = parseFloat(newRate);
            GM_setValue('playBackRate', playBackRate);
            alert(`播放速率已设置为: ${playBackRate}`);
        }
    }
    //注册播放器事件
    function setupVideoPlayerEvents(player) {
        player.addEventListener("play", function () {
            customLog("视频开始播放","green");
        });
        player.addEventListener("pause", function () {
            customLog("视频暂停，将在1000ms后继续播放","red");
            setTimeout(() => { player.play(); }, 1000);
        });
        player.addEventListener("ended", function () {
            customLog("视频播放结束","green");
        });
        player.addEventListener("timeupdate", function () {
            const currentTime = player.currentTime.toFixed(0);
            const duration = player.duration.toFixed(0);
            const currentplaybackRate=player.playbackRate;
            if(currentplaybackRate!=playBackRate){
                player.playbackRate=playBackRate;
            }
            //console.log(`当前时间: ${currentTime} / 总时长: ${duration}`);
            if (currentTime == duration && nowPlaying) {
                setTimeout(() => {
                    closePopup();
                    nowPlaying = getCourse();
                    if (!nowPlaying) {
                        console.log("课程列表播放完毕!")
                        sendNotification("当前课程播放完毕！", "当前课程列表播放完毕，请考试或者切换下一个课程！")
                        return true
                    }
                    nowPlaying.click();
                }, 5000);
            } else if (currentTime != currentTime && player.paused) {
                player.play();
            }
        })
    }
    //播放处理
    if(document.querySelectorAll(".catalog-content a").length!=0){
        nowPlaying = getCourse();
        //检查是否播放完毕，class包含studied即播放完毕
        if (!nowPlaying) {
            customLog("课程列表播放完毕","green")
            sendNotification("当前课程播放完毕！", "当前课程列表播放完毕，请切换下一个播放列表")
            return true
        }
        //检查iframe，网站的播放器是个iframe，什么鬼写法
        var iframe = document.querySelector('iframe');
        let checkInterval = setInterval(function() {
            iframe = document.querySelector('iframe');
            if(iframe){
                let iframeDocument = iframe.contentDocument || iframe.contentWindow.document;
                let player = iframeDocument.getElementsByTagName("video")[0];
                console.log('找到播放器！:', player);
                setupVideoPlayerEvents(player);
                player.muted = true;
                player.play();
                clearInterval(checkInterval);
            }
        }, 500);
    }
})();