var webdav={};

webdav.set=
function(parentClass){
   this.parent=parentClass;
}
   
webdav.uploadFile=
function(file,context){

	let url=LABKEY.ActionURL.getBaseURL();
	url+='_webdav';
	url+=LABKEY.ActionURL.getContainer();
	url+='/@files';
   url+='/'+context['dirName'];

	this.parent.print('uploadFile url: '+url);
	let uploadConfig=new Object();
	uploadConfig.file=file;
	uploadConfig.context=context;
	uploadConfig.url=url;
   let that=this;
	uploadConfig.success=function(cfg){that.afterBaseDir(cfg);};
	uploadConfig.failure=function(cfg){that.tryMakeDir(cfg);};
	this.webdavCheck(uploadConfig);
}

webdav.afterBaseDir=
function(cfg){
	this.parent.print('afterBaseDir');
	cfg.url+='/'+cfg.context['ID'];
   let that=this;
	cfg.success=function(x){that.afterIDDir(x);};
	cfg.failure=function(x){that.tryMakeDir(x);};
	this.webdavCheck(cfg);
}

webdav.afterIDDir=
function(cfg){
	this.parent.print('afterIDDir');
	this.parent.print('Uploading '+cfg.file.name);
	let suf=cfg.file.name.split('.').pop();
	cfg.url+='/'+cfg.context['ID']+'.'+suf;
   cfg.data=cfg.file;
   let that=this;
	cfg.success=function(x){that.afterUpload(x);};
	cfg.failure=function(x){that.onFailure(x);};
	this.webdavPut(cfg);
}

webdav.afterUpload=
function(cfg){
	this.parent.print('afterUpload');
}

webdav.tryMakeDir=
function(cfg){
	this.parent.print('tryMakeDir '+cfg.url);
   let that=this;
	cfg.failure=function(x){that.onFailure(x);};
	this.webdavMakeDir(cfg);
}


webdav.request=
function (cfg,verb,data){
	this.parent.print('request['+verb+'] '+cfg.url);
	let connRequest=new XMLHttpRequest();
   let that=this;
   let action=function(connRequest,cfg){that.checkResponse(connRequest,cfg);};
	connRequest.addEventListener("loadend",action);
	connRequest.open(verb, cfg.url);
	connRequest.send(data);
	//this.print('request['+verb+'] sent');
}

webdav.checkResponse=
function(xrq,cfg){
	//this.print('checkResponse: readyState '+xrq.readyState);
	//this.print('checkResponse: status '+xrq.status);
	if (xrq.status<400) {
		//client errors 400-499
		//server errors 500-599
		cfg.success(cfg);
		return;
	}
	cfg.status=xrq.status;
	cfg.failure(cfg);
}

webdav.webdavMakeDir=function(cfg){ this.request(cfg,'MKCOL',null);}
webdav.webdavCheck=function(cfg) { this.request(cfg,'GET',null);}
webdav.webdavPut=function(cfg) { this.request(cfg,'PUT',cfg.data);}


webdav.onFailuer=function(cfg){
	this.parent.print('request failed with status='+cfg.status);
}