// ==UserScript==
// @name         基金业协会视频自动播放
// @namespace    https://www.nekotofu.top/
// @homepage    https://www.nekotofu.top/
// @version      0.9
// @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
// @license MIT
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';
    function observeDOM(callback) {
        const observer = new MutationObserver((mutationsList, observer) => {
            for (const mutation of mutationsList) {
                if (mutation.type === 'childList' || mutation.type === 'subtree') {
                    var player = document.getElementsByTagName("video")[0];
                    if (player) {
                        player.addEventListener('blur', function () {
                            window.onblur = {}
                        }, false);
                        observer.disconnect(); // Stop observing once the element is found and listener is added
                        break;
                    }
                }
            }
        });
        observer.observe(document.body, { childList: true, subtree: true });
    }
    observeDOM();
    function closePopup() {
        const pop = document.querySelector(".class_float");
        if (pop.style.display != "none") {
            var close = pop.getElementsByClassName("btn-close")[0]
            close.click();
        }
    }
    function sendNotification(title, content) {
        if (!("Notification" in window)) {
            console.log("浏览器不支持通知");
            return;
        }
        if (Notification.permission !== "granted") {
            Notification.requestPermission().then(function (permission) {
                if (permission === "granted") {
                    showNotification();
                } else {
                    console.log("用户拒绝了通知权限");
                }
            });
        } else {
            showNotification();
        }
        function showNotification() {
            const notification = new Notification(title, {
                body: content,
            });
            notification.onclick = function () {
                // 在这里添加点击通知后的操作
                console.log("用户点击了通知");
            };
        }
    }
    sendNotification("授予通知权限")
    let nowPlaying;
    function getCourse() {
        const courseList = document.querySelectorAll(".catalog-content a");
        for (let i = 0; i < courseList.length; i++) {
            if (!courseList[i].classList.contains("studied") && !courseList[i].classList.contains("test")&& !courseList[i].classList.contains("testRev")&& !courseList[i].classList.contains("testScore")) {
                console.log("存在未播放的项，播放列表未完成")
                nowPlaying = courseList[i];
                console.log(nowPlaying.textContent)
                if (!nowPlaying.classList.contains("cur")) {
                    console.log("当前视频已播放完毕");
                    nowPlaying.click();
                }
                return nowPlaying;
            }
        }
        // 所有项都已经播放，播放列表已完成
        return false;
    }
    if(document.querySelectorAll(".catalog-content a").length!=0){
        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，请切换下一个播放列表")
            return true
        }
        var iframe = document.querySelector('iframe');
        // 定期检查 iframe 内部文档中的元素是否存在
        let checkInterval = setInterval(function() {
            iframe = document.querySelector('iframe');
            console.log(100)
            if(iframe){
                let iframeDocument = iframe.contentDocument || iframe.contentWindow.document;
                let player = iframeDocument.getElementsByTagName("video")[0];
                console.log('Element found:', player);
                // 在找到目标元素后，清除定时器
                clearInterval(checkInterval);
                // 在此处添加你需要对目标元素进行的操作
                player.muted = true;
                player.play();
                player.addEventListener("play", function () {
                    console.log("视频开始播放");
                })
                player.addEventListener("pause", function () {
                    console.log("视频暂停");
                    setTimeout(() => { player.play(); }, 2000)
                })
                player.addEventListener("ended", function () {
                    console.log("视频播放结束");
                });
                player.addEventListener("timeupdate", function () {
                    const currentTime = player.currentTime.toFixed(0);
                    const duration = player.duration.toFixed(0);
                    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，请切换下一个播放列表")
                                return true
                            }
                            nowPlaying.click();

                        }, 5000);
                    } else if (currentTime != currentTime && player.paused) {
                        player.play();
                    }
                })
            }
        }, 500); // 每500毫秒检查一次
        if(0){

        }
    }

})();