// ==UserScript==
// @name         爱奇艺海外版字幕自动下载
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  爱奇艺海外版字幕自动下载，自动下载字幕
// @author       XGCM
// @match        https://www.iq.com/play/*
// @icon         https://www.iqiyipic.com/common/images/logo.ico
// @grant        GM_addElement
// @grant        GM_openInTab
// @grant        GM_download
// @downloadURL none
// ==/UserScript==

function download() {
    var tvid=playerObject._player.package.engine.adproxy.engine.movieinfo.tvid;
    var oData=playerObject._player.package.engine.adproxy.engine.episode.EpisodeStore[tvid].movieInfo.originalData;

    var prefix=oData.data.dstl;
    var subUrl=oData.data.program.stl[0].webvtt;
    var title=(document.title.indexOf("-")!=-1?document.title.substring(0,document.title.indexOf("-")):document.title.replace(/\s/,""));
    GM_download(prefix+subUrl, title);
    return subUrl;
}

(function() {
    'use strict';
    window.addEventListener('load', function() {
        var urlSearchParams = new URLSearchParams(window.location.search);
        var params = Object.fromEntries(urlSearchParams.entries());

        var button = GM_addElement(document.getElementsByClassName('episodes-filter-wrap')[0], 'button', {
            id: 'download-all-subtitles',
        });
        button.innerHTML = '下载字幕！';
        button.onclick = GM_openInTab(document.getElementsByClassName('intl-episodes-list')[0].getElementsByTagName('li')[0].getElementsByTagName('a')[0].href+'&download_subtitles=true');

        if (params.download_subtitles) {
            var selected = document.getElementsByClassName('intl-episodes-list')[0].getElementsByClassName('selected')[0];
            var subUrl = download();
            if (subUrl)
                GM_openInTab(selected.nextSibling.getElementsByTagName('a')[0].href+'&download_subtitles=true');
            else alert('字幕下载终止');
        }
    }, false);
})();