// ==UserScript==
// @name         Twitter单页视频批量提取
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take fuck the world!
// @author       李恒道
// @match        https://twitter.com/*
// @icon         https://www.google.com/s2/favicons?domain=twitter.com
// @grant        GM_setClipboard
// @grant        unsafeWindow
// @run-at document-start
// ==/UserScript==

let userlist=[]
let checkinsert=false;
let videoorpiclist=[];
function GetDownloadText(){
    let outtext=''
    let getlength=0
    for(let index=0;index<userlist.length;index++){
        let item=userlist[index]
        let textcontent=item.content.items
        if(textcontent===undefined){
            if(item.content.itemContent===undefined){
                continue;
            }
            if(item.content.itemContent.tweet_results.result.legacy===undefined){
                continue;
            }
            textcontent=item.content.itemContent.tweet_results.result.legacy.full_text+'\n'
            outtext+=textcontent
            getlength++
            outtext+='-------------------------------------\n'
        }else{
            for(let textlengh=0;textlengh<textcontent.length;textlengh++){
                let textitem=textcontent[textlengh]
                if(textitem.item.clientEventInfo.component!=="suggest_organic_conversation"){
                    continue;}
                if(textitem.item.itemContent.tweet_results.result.legacy===undefined){
                    continue;
                }
                outtext+=textitem.item.itemContent.tweet_results.result.legacy.full_text+'\n'
                getlength++
            }
            outtext+='-------------------------------------\n'
        }


    }
    GM_setClipboard(outtext)
    alert('已设置到剪辑版，共获取推文:'+getlength+'个')
}

function GetVideoorPic(media){
    if(media===undefined){
    return;
    }
        if(media.media!==undefined){
   media=media.media
    }
    for(let index=0;index<media.length;index++){
        let item=media[index]
        if(item.video_info===undefined){
            videoorpiclist.push(item.media_url_https)
        //图片
        }else{
            //视频
            videoorpiclist.push(item.video_info.variants[0].url)
        }
    }



}
function GetDownloadMedia(){
    videoorpiclist=[]
    for(let index=0;index<userlist.length;index++){
        let item=userlist[index]
        console.log(item)
        let textcontent=item.content.items
        if(textcontent===undefined){
            if(item.content.itemContent===undefined){
                continue;
            }
            if(item.content.itemContent.tweet_results.result.legacy===undefined){
                continue;
            }
            textcontent=item.content.itemContent.tweet_results.result.legacy.extended_entities
            GetVideoorPic(textcontent)
        }else{
            for(let textlengh=0;textlengh<textcontent.length;textlengh++){
                let textitem=textcontent[textlengh]
                let video=''
                if(textitem.item.clientEventInfo.component!=="suggest_organic_conversation"){
                    continue;}
                if(textitem.item.itemContent.tweet_results.result.legacy===undefined){
                    continue;
                }
                video=textitem.item.itemContent.tweet_results.result.legacy.extended_entities
                GetVideoorPic(video)

            }

        }


    }
    GM_setClipboard(videoorpiclist.join('\n'))
    alert('已设置到剪辑版，共获取链接:'+videoorpiclist.length+'个')
}
function CheckDrawerBtn(){
    if(checkinsert===false){
        let parentinsert=document.querySelector('[aria-label="开启推文通知"]')
        if(parentinsert!==null){
            checkinsert=true
        }else{
            return;
        }
        parentinsert=parentinsert.parentElement.parentElement
        let downloadtext=document.createElement("div");
        downloadtext.style.marginLeft='9.2px'
        downloadtext.innerHTML='<div aria-expanded="false" aria-haspopup="menu" aria-label="更多" role="button" tabindex="0" class="css-18t94o4 css-1dbjc4n r-1niwhzg r-1ets6dv r-sdzlij r-1phboty r-rs99b7 r-6gpygo r-1kb76zh r-2yi16 r-1qi8awa r-1ny4l3l r-o7ynqc r-6416eg r-lrvibr" data-testid="userActions"><div dir="auto" class="css-901oao r-1awozwy r-18jsvk2 r-6koalj r-18u37iz r-16y2uox r-37j5jr r-a023e6 r-b88u0q r-1777fci r-rjixqe r-bcqeeo r-q4m81j r-qvutc0" style="margin: 0px 10px;">提取文字<span class="css-901oao css-16my406 css-bfa6kz r-poiln3 r-a023e6 r-rjixqe r-bcqeeo r-qvutc0"></span></div></div>';
        downloadtext.onclick=function(event){
            GetDownloadText()
        };
        parentinsert.appendChild(downloadtext)
        let downloadmedia=document.createElement("div");
        downloadmedia.innerHTML='<div aria-expanded="false" aria-haspopup="menu" aria-label="更多" role="button" tabindex="0" class="css-18t94o4 css-1dbjc4n r-1niwhzg r-1ets6dv r-sdzlij r-1phboty r-rs99b7 r-6gpygo r-1kb76zh r-2yi16 r-1qi8awa r-1ny4l3l r-o7ynqc r-6416eg r-lrvibr" data-testid="userActions"><div dir="auto" class="css-901oao r-1awozwy r-18jsvk2 r-6koalj r-18u37iz r-16y2uox r-37j5jr r-a023e6 r-b88u0q r-1777fci r-rjixqe r-bcqeeo r-q4m81j r-qvutc0" style="margin: 0px 10px;">提取媒体<span class="css-901oao css-16my406 css-bfa6kz r-poiln3 r-a023e6 r-rjixqe r-bcqeeo r-qvutc0"></span></div></div>'
        downloadmedia.onclick=function(event){
            GetDownloadMedia()
        }
        parentinsert.appendChild(downloadmedia)

    };

}
function addXMLRequestCallback(callback){
    var oldSend, i;
    if( XMLHttpRequest.callbacks ) {
        // we've already overridden send() so just add the callback
        XMLHttpRequest.callbacks.push( callback );
    } else {
        // create a callback queue
        XMLHttpRequest.callbacks = [callback];

        // store the native send()
        oldSend = XMLHttpRequest.prototype.send;

        // override the native send()
        XMLHttpRequest.prototype.send = function(){
            // process the callback queue
            // the xhr instance is passed into each callback but seems pretty useless
            // you can't tell what its destination is or call abort() without an error
            // so only really good for logging that a request has happened
            // I could be wrong, I hope so...
            // EDIT: I suppose you could override the onreadystatechange handler though
            for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
                XMLHttpRequest.callbacks[i]( this );
            }
            // call the native send()
            oldSend.apply(this, arguments);

        }
    }
}

// e.g.
addXMLRequestCallback( function( xhr ) {
    xhr.addEventListener("load", function(){
        if ( xhr.readyState == 4 && xhr.status == 200 ) {
            CheckDrawerBtn()
            if(xhr.responseURL.indexOf('UserTweets')!==-1){
                let jsonobj=JSON.parse(xhr.response)
                let list=jsonobj.data.user.result.timeline.timeline.instructions[0].entries
                if(xhr.responseURL.indexOf('cursor')===-1){
                    //首次加载，不存在指针
                    userlist=list


                }else{
                    userlist=[...userlist,...list]
                }


                console.log( 'UserTweets',userlist);
            }


        }
    });

});