// ==UserScript==
// @name         WatermelonVideo
// @version      0.3
// @namespace    ShopeeProducts
// @description  西瓜视频
// @author       You
// @match        https://www.ixigua.com/*
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @grant        unsafeWindow
// @grant        GM_download
// @require      http://libs.baidu.com/jquery/2.0.0/jquery.min.js
// @run-at       document-idle
// @license      MIT
// @downloadURL https://update.greasyfork.icu/scripts/474448/WatermelonVideo.user.js
// @updateURL https://update.greasyfork.icu/scripts/474448/WatermelonVideo.meta.js
// ==/UserScript==

(function() {
    'use strict';
function waitForKeyElements (
    selectorTxt,    /* Required: The jQuery selector string that
                        specifies the desired element(s).
                    */
    actionFunction, /* Required: The code to run when elements are
                        found. It is passed a jNode to the matched
                        element.
                    */
    bWaitOnce,      /* Optional: If false, will continue to scan for
                        new elements even after the first match is
                        found.
                    */
    iframeSelector  /* Optional: If set, identifies the iframe to
                        search.
                    */
) {
    var targetNodes, btargetsFound;

    if (typeof iframeSelector == "undefined")
        targetNodes     = $(selectorTxt);
    else
        targetNodes     = $(iframeSelector).contents ()
                                           .find (selectorTxt);

    if (targetNodes  &&  targetNodes.length > 0) {
        btargetsFound   = true;
        /*--- Found target node(s).  Go through each and act if they
            are new.
        */
        targetNodes.each ( function () {
            var jThis        = $(this);
            var alreadyFound = jThis.data ('alreadyFound')  ||  false;

            if (!alreadyFound) {
                //--- Call the payload function.
                var cancelFound     = actionFunction (jThis);
                if (cancelFound)
                    btargetsFound   = false;
                else
                    jThis.data ('alreadyFound', true);
            }
        } );
    }
    else {
        btargetsFound   = false;
    }

    //--- Get the timer-control variable for this selector.
    var controlObj      = waitForKeyElements.controlObj  ||  {};
    var controlKey      = selectorTxt.replace (/[^\w]/g, "_");
    var timeControl     = controlObj [controlKey];

    //--- Now set or clear the timer as appropriate.
    if (btargetsFound  &&  bWaitOnce  &&  timeControl) {
        //--- The only condition where we need to clear the timer.
        clearInterval (timeControl);
        delete controlObj [controlKey]
    }
    else {
        //--- Set a timer, if needed.
        if ( ! timeControl) {
            timeControl = setInterval ( function () {
                    waitForKeyElements (    selectorTxt,
                                            actionFunction,
                                            bWaitOnce,
                                            iframeSelector
                                        );
                },
                300
            );
            controlObj [controlKey] = timeControl;
        }
    }
    waitForKeyElements.controlObj   = controlObj;
}

    //
    waitForKeyElements('video',jNd => {
        $(".playerBlock").prepend("<button id='getVideo'>获取视频</button>")
        $("#getVideo").click(function(){
            console.log('video')
            const video_base64 = (unsafeWindow._SSR_HYDRATED_DATA.anyVideo.gidInformation.packerData.video.videoResource.dash_120fps.video_list.video_4.main_url);
            let url = atob(video_base64);
            const title = unsafeWindow._SSR_HYDRATED_DATA.anyVideo.gidInformation.packerData.video.title;

            if(url.startsWith("https://v9"))
                url = url.replace("v9-xg-web-pc","v9-default");
            const download = GM_download({
                url: url,
                name: `${title}.mp4`,
                saveAs: true
            });
            console.log(url);
        })

    },1000)





})();