// ==UserScript==
// @name         我就是积极分子
// @namespace    laoxin.top
// @version      1.1beta
// @description  西南石油大学入党积极分子网课自动播放
// @author       老新
// @match        http://rdjy.swpu.edu.cn/jjfz/lesson/*
// @grant        none
// @require      https://cdn.bootcdn.net/ajax/libs/jquery/2.0.0/jquery.js

// @downloadURL none
// ==/UserScript==


(function () {
    'use strict';
    let settings = {
        // 1表示开启,0表示关闭
        jump: 1, // 自动切换视频任务点,默认开启
        video: 1, // 视频暂停自动继续,默认开启
        jPClass: 1, // 自动切换下一节,默认开启
        back: 1 // 視頻播放完成自動回到章節列表
    }
    let videoList = null;
    let $$ = top.jQuery;
    $$(() => {

        //console.log("视频数量" + $$(".video_lists li"))

        let play = setInterval(() => {
            let flag = false;
            if (settings.video) {
                flag = videoPlay(videoList);
            }
            let backFlag = false;
            if (flag) {
                if (settings.jump) {
                   backFlag = NextVideo(videoList);
                }
            }
            if (backFlag) {
                if (settings.back) {
                    goBack();
                }
            }
        }, 1000);

        let videoLists = setInterval(() => {
            if (getVideoList()) {
                videoList = getVideoList();
                if (settings.jump) {
                    if (jumpToVideo(videoList)) {
                        if (settings.back) {
                            goBack();
                        }
                    }
                }


            } else if (getClassList()) {
                videoList = getClassList()
                if (settings.jPClass){
                    jumpToClass(videoList)
                }

            }
            if (videoList) {
                clearInterval(videoLists);
            }
        }, 500);


        /**
         * 视频弹窗关闭
         */
        function videoPlay(videoList) {
            if (videoList != null) {
                if ($$(".public_submit")) {
                    //console.log("视频数量" + $$(".video_lists li"))
                    let text = $$(".public_text").text();
                    console.log(text)
                    if (text.indexOf("当前视频播放完毕") >= 0) {
                        return true;
                    } else if (text.indexOf("该课程视频你上次观看到") >= 0) {
                        $$(".public_cancel").click();
                        return false;
                    } else {
                        $$(".public_submit").click();
                        return false;
                    }
                }
            }
        }

        /**
         * 获取视频列表
         */
        function getVideoList() {
            if ($$(".video_lists li").length) {
                console.log("当前视频" + $$(".video_red1").text())
                return $$(".video_lists li");
            }
        }

        /**
         * 播放下一个视频
         * @param videoList
         * @constructor
         */
        function NextVideo(videoList) {
            let index = $$(videoList).index($$(".video_red1"));
            console.log(index)
            if (videoList[index + 1]) {
                $$(videoList[index + 1]).children("a").attr('id', 'aRemoveAllTxt');
                document.getElementById("aRemoveAllTxt").click();
                return false;
            } else {
                return true;
            }
        }


        /**
         * 跳转到未播放的视频
         * @param videoList
         */
        function jumpToVideo(videoList) {
            if ($$(".video_red1").find("a").attr("style") == "width:70%;color:red") {
                let index = $$(videoList).index($$(".video_red1"));
                if (videoList[index + 1]) {
                    $$(videoList[index + 1]).children("a").attr('id', 'aRemoveAllTxt');
                    document.getElementById("aRemoveAllTxt").click();
                } else {
                    return true;
                }
            }
        }

        /**
         * 返回课程页面
         */
        function goBack() {
            $$(".video_goback").attr('id', 'aRemoveAllTxt');
            document.getElementById("aRemoveAllTxt").click();

        }

        /**
         * 获取课程列表
         * @returns {*}
         */
        function getClassList() {
            return $$(".lesson1_a_w dl dd")
        }

        /**
         * 跳转到未观看的视频
         * @param videoList
         */
        function jumpToClass(videoList) {

            let len = $$(".dd_cut_on").length;
            $$(videoList[len]).children("a").attr('id', 'aRemoveAllTxt');
            document.getElementById("aRemoveAllTxt").click();

        }

    })
})();