import { StringToUint8Array, Uint8ArrayToString } from './CovertUtil';
import pbUtile ,{MsgGameStruct} from './protobufUtil'

export default class httpManager{
    _name:string;  
    _url:string;    //
    _route:string;//url标签
    _token:string;//
    constructor(name:string){
        this._name = name
        this._token = ""
    }
    //配置服务器
    setUrlPort(url:string,route:string){
        this._url = url;
        this._route = route
    }
    setTokenStr(token:string){
        this._token = token
    }
    static getNormal(url:string,callback:Function)//普通获取http
    {
        let xhr = new XMLHttpRequest();
        let urlSave = url
        xhr.onreadystatechange = function () {
            cc.log('xhr.readyState=' + xhr.readyState + '  xhr.status=' + xhr.status);
            if (xhr.readyState === 4) {
                if(xhr.status == 200)
                {
                    let respone = xhr.responseText;
                    callback(respone);
                }
                else {
                    callback(undefined);
                }
            }
        };
        xhr.open('GET', url, true);
        xhr.timeout = 8000;// 8 seconds for timeout
        xhr.send();
    }
    //发送消息体到服务器
    sendPostPbMessage(mainId:number,subId:number,pbBody:Uint8Array|null,callback){
        let fullUrl = "http://"+this._url+this._route;
        
        let ui8Package = pbUtile.SendMsgWithToken(this._token,mainId,subId,pbBody)
        let xhr = new XMLHttpRequest();
        let _this = this;
        xhr.onreadystatechange = function () {
            cc.log('xhr.readyState=' + xhr.readyState + '  xhr.status=' + xhr.status);
            if (xhr.readyState === 4 && xhr.status == 200) {
                let respone = xhr.responseText;
                if(respone==null)
                    callback({mainId:-1,subId:0,msgBody:new Uint8Array()})
                else
                {
                    console.log("消息返回完成")
                    let tb = pbUtile.DeCodeBodyMsg(StringToUint8Array(respone))
                    if(tb.a==0)//消息体不匹配
                        callback({mainId:-1,subId:0,msgBody:new Uint8Array()})
                    else{
                        let opt = pbUtile.GetMsgHeadBody(tb.b)
                        callback(opt)
                    }
                }               
            } else {
                if (xhr.readyState === 4)
                {
                    callback({mainId:-2,subId:0,msgBody:new Uint8Array()})
                    console.log("没有收到正常消息返回 readyState:"+xhr.readyState+" status:"+xhr.status)
                }
            }
        };
        xhr.withCredentials = false;
        xhr.open('POST', fullUrl, true);
        xhr.setRequestHeader("Content-Type", "application/x-protobuf");

        xhr.timeout = 8000;// 8 seconds for timeout
        console.log("post-msg:",fullUrl,mainId,subId)
        xhr.send(Uint8ArrayToString(ui8Package));
    }

    
}