// ==UserScript==
// @name         快手视频批量采集
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       李恒道
// @match        https://live.kuaishou.com/profile/*
// @icon         https://www.google.com/s2/favicons?domain=kuaishou.com
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// @grant        GM_setClipboard
// @run-at document-start
// ==/UserScript==

let oldfetch=unsafeWindow.fetch
function newobj(){}
let savelistid=[]
let downloadurl=[]
let url=window.location.href
function fuckkuaishouvideo(id,index){
    return new Promise((resolve, reject) => {
        GM_xmlhttpRequest({
            url:"https://www.kuaishou.com/graphql",
            method :"POST",
            data:'{"operationName":"visionVideoDetail","variables":{"photoId":"'+id+'","page":"detail"},"query":"query visionVideoDetail($photoId: String, $type: String, $page: String, $webPageArea: String) {\\n  visionVideoDetail(photoId: $photoId, type: $type, page: $page, webPageArea: $webPageArea) {\\n    status\\n    type\\n    author {\\n      id\\n      name\\n      following\\n      headerUrl\\n      __typename\\n    }\\n    photo {\\n      id\\n      duration\\n      caption\\n      likeCount\\n      realLikeCount\\n      coverUrl\\n      photoUrl\\n      liked\\n      timestamp\\n      expTag\\n      llsid\\n      viewCount\\n      videoRatio\\n      stereoType\\n      croppedPhotoUrl\\n      manifest {\\n        mediaType\\n        businessType\\n        version\\n        adaptationSet {\\n          id\\n          duration\\n          representation {\\n            id\\n            defaultSelect\\n            backupUrl\\n            codecs\\n            url\\n            height\\n            width\\n            avgBitrate\\n            maxBitrate\\n            m3u8Slice\\n            qualityType\\n            qualityLabel\\n            frameRate\\n            featureP2sp\\n            hidden\\n            disableAdaptive\\n            __typename\\n          }\\n          __typename\\n        }\\n        __typename\\n      }\\n      __typename\\n    }\\n    tags {\\n      type\\n      name\\n      __typename\\n    }\\n    commentLimit {\\n      canAddComment\\n      __typename\\n    }\\n    llsid\\n    danmakuSwitch\\n    __typename\\n  }\\n}\\n"}'
            ,headers: {
                "Content-type": "application/json"
            },
            onload:function(xhr){
                let obj=JSON.parse(xhr.responseText)
                let res=obj.data.visionVideoDetail.photo
                if(res===null){
                    console.log('失败的id"',id,index)
                    resolve('success')
                }
                downloadurl.push(res.photoUrl)
                resolve('success')
            }
        });
    })

}
function fuckfetch(...bianliang){
    return new Promise(function(resolve, reject){
        oldfetch(...bianliang).then(function(response) {
            let handler = {
                get: function(target, prop, receiver) {
                    if(typeof Reflect.get(target,prop)==='function')
                    {
                        if(Reflect.get(target,prop+'proxy')===undefined)
                        {
                            target[prop+'proxy']=(...funcargs)=> {
                                let result=target[prop].call(target,...funcargs)
                                if(prop==='text'){
                                    if(bianliang.length>=2&&bianliang[1].body!==undefined)
                                    {
                                        if(bianliang[1].body.indexOf('\"operationName\":\"privateFeedsQuery\"')!==-1||bianliang[1].body.indexOf('\"operationName\":\"publicFeedsQuery\"')!==-1){
                                            if(url!==window.location.href){
                                                url=window.location.href
                                                createbtn()
                                            }
                                            return new Promise(function(resolve, reject){
                                                result.then(
                                                    function(data){
                                                        let list=JSON.parse(data)
                                                        console.log('获取了list',list)
                                                        let target=null
                                                        if(list.data.privateFeeds!==undefined){
                                                            target=list.data.privateFeeds
                                                        }
                                                        if(list.data.publicFeeds!==undefined){
                                                            target=list.data.publicFeeds
                                                        }
                                                        if(target!==null){
                                                            for(let index=0;index<target.list.length;index++){
                                                                savelistid.push(target.list[index].id)
                                                            }
                                                        }
                                                        let enddownload=document.querySelector('.enddownload')
                                                        if(enddownload!==null){
                                                            enddownload.innerHTML=''+savelistid.length
                                                        }
                                                        resolve(data)
                                                    }
                                                )
                                            })
                                        }
                                    }
                                }
                                return result
                            }

                        }
                        return Reflect.get(target,prop+'proxy')
                    }

                    return Reflect.get(target, prop);
                },

                set(target, prop, value) {
                    return Reflect.set(target, prop, value);
                },
            };
            let proxy=new Proxy(response, handler)
            resolve(proxy)
        })

    });
}

async function StatToGetVideo(){
    alert('已开始，不要重复点击!')
    for(let index=0;index<savelistid.length;index++){
        let id=savelistid[index]
        let result= await fuckkuaishouvideo(id,index)
        if(result==='success'){
            let startdownload=document.querySelector('.startdownload')
            if(startdownload!==null){
                startdownload.innerHTML=''+index
            }

        }
    }
    GM_setClipboard(downloadurl.join('\n'))
    alert(savelistid.length+'个成功:'+downloadurl.length+'可能存在图片')
    downloadurl=[]

}
unsafeWindow.fetch=fuckfetch
function createbtn(){
    if(document.querySelector('.startdownload')!=null){
        return;
    }
    savelistid=[]
    downloadurl=[]
    let div=document.createElement("div");
    div.innerHTML=`<div style="display: flex;align-items: center;margin-top: 10px;"><button type="button" class="followed pl-btn pl-btn-default pl-btn-medium pl-btn-radius" data-v-13e05b4e="" data-v-2bb7639b="" style="margin-right: 15px;">
    下载视频
</button><div><span class="startdownload">0</span>-&gt;<span class="enddownload">${savelistid.length}</span></div></div>`
    div.onclick=function(event){
        if(event.target.innerText==='下载视频'){
            StatToGetVideo()
        }
    };
    unsafeWindow.document.querySelector('.tab').append(div);

}
unsafeWindow.onload=createbtn