if (!!!backlog){
    backlog = console
}

function space(n){
    let str = ""
    for (let index = 0; index < n; index++) {
        str = str+" "
    }
    return str
}

//消息-下载录像
function DownloadRecord(url) {
    url = url||"record.json"
    REPLAY_NAME=url
    url="https://zth5.ztgame.com/record/"+url
    var httpRequest = new XMLHttpRequest();
    httpRequest.open('GET', url, true);
    httpRequest.send();

    httpRequest.onreadystatechange = function () {
        if (httpRequest.readyState == 4 && httpRequest.status == 200) {
            var json = httpRequest.responseText;
            window["REPLAY"]=JSON.parse(json)
            backlog.log("下载完成");
        }
    };
}

//消息-保存
function SaveRecord() {
    let filename = "record_"+REC.begin+".json"
    let text = JSON.stringify(REC)
    var pom = document.createElement('a');
    pom.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    pom.setAttribute('download', filename);
    if (document.createEvent) {
        var event = document.createEvent('MouseEvents');
        event.initEvent('click', true, true);
        pom.dispatchEvent(event);
    } else {
        pom.click();
    }
}

//消息-回放
function ReplayRecord(rec) {
    rec=rec||REPLAY
    let S_TIME=rec.messages[0].time
    let IDX=0
    let state = 0
    let TID = setInterval(()=>{
        S_TIME=S_TIME+1
        while(IDX<rec.messages.length && S_TIME>rec.messages[IDX].time){
            let msg={
                destinationName:rec.messages[IDX].name,
                payloadString:rec.messages[IDX].playload,
            }
            if(state==0 && msg.destinationName=="SC_OnEnterGame"){
                S_TIME=S_TIME-5 //给客户端缓冲加载时间
                state = 1
                continue
            }
            if (msg.destinationName.indexOf("HD_")!=0){
                NetWork.ExcuteMessage(msg)
            }
            IDX=IDX+1
        }
        if(IDX>=rec.messages.length){
            clearInterval(IDX)
        }
    },1000)
    return TID
}

//消息-开始录制
function StartRecord() {
    if (!window["M"]){
        window["M"] = NetWork.ExcuteMessage
        window["BACK"]=[]
    }
    
    REC={begin:new Date(),end:null, messages:[]} //记录消息内容
    
    NetWork.ExcuteMessage = (msg)=>{
        M(msg)
        REC.messages.push({
            time:G_GameData.serverTime,
            clienttime:new Date().getTime(),
            name:msg.destinationName,
            playload:msg.payloadString
        })
    }
    return "开始录制"
}

//消息-结束录制
function EndRecord() {
    if( window["M"]){
    NetWork.ExcuteMessage = window["M"]
    }
    if(REC.end==null){
        REC.end = new Date()
        BACK.push(REC)
    }
    backlog.log("结束录制")
    SaveRecord()
    return REC
}

//分析
function AnalyzRecord(rec) {
    let N = 15
    rec = rec || REPLAY
    let S = rec.messages[rec.messages.length-1].time -  rec.messages[0].time
    cnt = {}
    size = {}
    rec.messages.forEach((val)=>{
        if (!cnt[val.name]){cnt[val.name]=0}
        cnt[val.name] = cnt[val.name]+1
        if (!size[val.name]){size[val.name]=0}
        size[val.name] = size[val.name]+JSON.stringify({val}).length
    })
    l=[]
    for (k in cnt){
        l.push({name:k,count:cnt[k]})
    }
    l.sort((i,j)=>{return j.count-i.count})
    l = l.splice(0,N)


    backlog.log("%c%s 录制时长: %d 秒%c (调用次数前 %d)", "color:red;font-size:16px", REPLAY_NAME,S,"", N)
    l.forEach((val)=>{
        backlog.log("%s:%s%d%sPS:%d   Size:%fKB",
                    val.name,
                    space(28-val.name.length),
                    val.count,space(8-(""+val.count).length),
                    0.5+val.count/S,
                    0.5+size[val.name]/1024.0/S
        )
    })
}

function AnalyzRecord2(rec) {
    N = 20
    rec = rec || REPLAY
    let S = rec.messages[rec.messages.length-1].time -  rec.messages[0].time
    cnt = {}
    rec.messages.forEach((val)=>{
        if (val.name == "SC_UpdateMapBuff"){
            let obj = JSON.parse(val.playload)
            for(const key in obj.buffbox){
                const buf = obj[key]
                if (!cnt[key]){cnt[key]=0}
                cnt[key] = cnt[key]+1
            }
        }
    })
    l=[]
    for (k in cnt){
        l.push({name:k,count:cnt[k]})
    }
    l.sort((i,j)=>{return j.count-i.count})
    l = l.splice(0,N)

    backlog.log("%c%s BuffId前 %d%c", "color:red;font-size:16px", "SC_UpdateMapBuff",N,"")
    backlog.log("%c%s 录制时长: %d 秒%c", "color:red;font-size:16px", REPLAY_NAME,S,"")
    backlog.log("%s:%s%s", "BuffId",space(18-"BuffId".length), "数量")
    l.forEach((val)=>{
        backlog.log("%s:%s%d%sPS:%d",
                    val.name,
                    space(18-val.name.length),
                    val.count,
                    space(8-(""+val.count).length),
                    0.5+val.count/S,
        )
    })
    backlog.log(l)
}

backlog.log("记录消息工具加载完成")
backlog.log("开始录像  StartRecord()")
backlog.log("结束录制  EndRecord()")
backlog.log("保存文件  SaveRecord()")
backlog.log("下载录像  DownloadRecord(\"record.json\")")
backlog.log("回放  ReplayRecord()")
backlog.log("分析  AnalyzRecord()")