// ==UserScript==
// @name         xigua视频下载
// @namespace    http://tampermonkey.net/
// @version      0.0.16
// @description  下载xigua视频
// @author       kemalo1101
// @license      MIT License
// @run-at       document-start
// @grant        GM_download
// @include      *://*ixigua.com/*
// @require      https://greasyfork.org/scripts/440006-mono/code/mono.js?version=1042513
// @downloadURL none
// ==/UserScript==

(function () {
  var mono = window['mono-descargar'];
  var $ = mono.jQuery;
  var md5 = mono.md5;
  var filename = mono.filename;
  var onRequest = mono.onRequest;
  var idKey = 'mono-dsg-id';
  var dash = null;


  var metaCache = {}

  var origOpen = XMLHttpRequest.prototype.open;
  
  onRequest(({url, resp, _body, method}) => {
    console.log('url', url)
    if (resp && (url.indexOf('v9-xg-web-s.ixigua.com') !== -1)) {
      console.log('url', url)
      if (url.indexOf('.mpd') !== -1) {
        var urlObj = new URL('https:' + url)
        var paths = urlObj.pathname.split('/');
        paths.pop();
        console.log('resp', resp)
        metaCache.data = {
          mpd:resp,
          url:urlObj.origin + (paths.join('/')) + '/'
        };
        metaCache.dataType = 'mpd';
        console.log('metaCache', metaCache)
      } else if (url.indexOf('mime_type=video_mp4') !== -1){
        metaCache.dataType = 'merge';
        if (url.indexOf('media-audio-und-mp4a') !== -1) {
          metaCache.data = url.split('&range=')[0];
        } else if (url.indexOf('media-video-avc1') !== -1) {
          metaCache.url = url.split('&range=')[0];
        }
      }
    }
  });

  XMLHttpRequest.prototype.open = function(method, url, ...rest) {
    console.log('XMLHttpRequest url', url)
    origOpen.call(this, method, url, ...rest);
  };

  var getItemByMeta = (meta, selector='', selClass='') => {
    var id = `xigua-${md5(meta.data)}`
    if ($(`[${idKey}=${id}]`).length > 0) return null;
    var $el = null;
    if (selector) $el = $(selector)
    if ($el.length > 0 && selClass) {
      var ps = $el.parentsUntil(selClass);
      if (ps.length > 0) $el = $(ps[ps.length - 1])
    }
    if ($el.length <= 0) return null;
    var container = $el[0];

    console.log('meta', meta)

    if (meta.data.dataType === 'mpd') {
      if (!dash?.config?.DASHPlugin?.dashOpts?.drm?.clearKeys) {
        const keys = Object.keys(window)
        for (let key of keys) {
          if (key.startsWith('dash_')) {
            dash = window[key]
          }
        }
      }

      if (!dash.config?.DASHPlugin?.dashOpts?.drm?.clearKeys) return null
      meta.data.key = dash.config?.DASHPlugin?.dashOpts?.drm?.clearKeys
      return { id, url: meta.data.url || meta.url, container, meta: meta }
    } else if (meta.data.dataType === 'merge') {
      if (!meta.data || !meta.url) return null;
      return { id, url: meta.url, container, meta: meta }
    }
    return null
  }

  var cc = () => {
    var items = [];
    var selector = `.teleplayPage__playerSection__left`;
    var item = getItemByMeta(metaCache, selector, '.teleplayPage__playerSection')
    if (!item) return items
    if (item) items.push(item);
    return items
  }

  var parser = async function () {
    var url = window.location.href;
    if (url.indexOf('.ixigua.com') !== -1 && Object.keys(metaCache).length > 0) {
      return cc();
    } else {
      return [];
    }
  }

  if (mono?.init) mono.init({ parser });
})()