const config=new Object();

function clear(){
	let el=config.document.getElementById(config.debugId);
	if (el===null) {
		//alert("Debug section not initialized");
		return;
	}
	config.document.getElementById(config.debugId).value="";
}

function print(msg){
	let el=config.document.getElementById(config.debugId);
	if (el===null) {
		//alert("Debug section not initialized. Message: "+msg);
		return;
	}
	el.value+="\n"+msg;
}

function getCRFrefFirst(){
	//crfRef is part of html call and gets stored in the page
	return config.document.getElementById(config.crfRefId).innerHTML;
}


function getCRFref(){
	//'crfRefId'
	return	config.formConfig.crfEntry['entryId'];
}

function onFailure(errorInfo, options, responseObj){
	
	if (errorInfo && errorInfo.exception)
		alert("Failure: " + errorInfo.exception);
	else
		alert("Failure: " + responseObj.statusText);
}

function doNothing(){
	print('doNothing called');
}

function doFailure(errorInfo){
	print('Error '+errorInfo.exception);
	print('Trace '+errorInfo.stackTrace);
	alert('Failed with '+errorInfo.exception);
}

function generateDebugSection(){
	//let debug=true;
	//if (debug) print("generateDebugSection "+sectionName);

	let formName=config.debugDiv;
	let sectionName="debugSection";
	let sectionTitle="Debug Messages";
	let tb=config.document.createElement('table');
	tb.className='t2';
	let row=tb.insertRow();
	let cell=config.document.createElement('th');
	row.appendChild(cell);	
	cell.setAttribute("colspan","4");
	cell.style.fontSize="20px";
	cell.style.textAlign="center";
	let cellData=config.document.createTextNode(sectionTitle);
	cell.appendChild(cellData);
	cell=row.insertCell();
	let input=config.document.createElement("input");	
	input.type="button";
	input.value="Show";
	input.id="toggle"+sectionName+"VisbilityButton";
	input.onclick=function(){toggleVisibility(sectionName,input.id)};
	cell.appendChild(input);
	config.document.getElementById(formName).appendChild(tb);
	

	let div=config.document.createElement('div');
	div.id=sectionName;
	div.style.display="none";
	config.document.getElementById(formName).appendChild(div);	

	let debugArea=config.document.createElement('textarea');
	debugArea.rows=10;
	debugArea.cols=95;
	debugArea.id=config.debugId;
	div.appendChild(debugArea);

	//print('ver: 0.10');

}




function setAdditionalData(additionalData,entry){
	let debug=true;
	if (debug) print("setAdditionalData");
	if (entry["showFlag"]==="NONE") {
		if (debug) print("Returning empty additionalData");
		return additionalData;
	}
	if (entry["showFlag"]==="REVIEW") {
		//abuse additionalData to signal different segment
		if (debug) print("Returning additionalData that signal review form");
		additionalData.isReview=true;
		return additionalData;
	}

	additionalData.showFlag=entry["showFlag"];
	additionalData.showFlagValue=entry["showFlagValue"];
	additionalData.queryName=entry["showQuery"];
	additionalData.filters=new Object();
	additionalData.filters['crfRef']=getCRFref();
	return additionalData;
}

function fullAccessSetup(listName){
	//generate setup object whcih should contain fields:
	//readonlyFlag - whether the dataset is writeable
	//filters - selection fields that allow creation of LABKEY.Filter.create()
	//getInputId - formating of unique ids for html elements
	//addApply - whether a submit/Save button is generated
	//unique - whether entries in list are unique

	let debug=true;
	if (debug) print("fullAccessSetup");

	let setup=new Object();
	setup.readonlyFlag=function(vName){return false};
	setup.filters=new Object();
	setup.filters['crfRef']=getCRFref();
	setup.getInputId=function(vName){return listName+"_"+vName;}
	setup.addApply="Save";
	return setup;

}

function readonlySetup(listName){
	//see definition of setup object above
	let debug=true;
	if (debug) print("readonlySetup");

	let setup=new Object();
	setup.readonlyFlag=function(vName){return true};
	setup.filters=new Object();
	setup.filters['crfRef']=getCRFref();
	setup.getInputId=function(vName){return listName+'_'+vName;}
	return setup;
}

function getSetup(listName){
	let formStatus=config.formConfig.formStatus;
	if (formStatus=="Submitted")
		return readonlySetup(listName);
	if (formStatus=="Approved")
		return readonlySetup(listName);
	return fullAccessSetup(listName);
}
	
//afterFormConfig replaced by afterFormSetup

//afterFormSetupLookup replaced by afterFormDatasets

function generateSection(sectionName, sectionTitle, listName, additionalData){


	let formName=config.masterForm;//this is HTML designator of area on page
	let debug=true;
	if (debug) print("generateSection "+sectionName);
	let tb=config.document.createElement('table');
	tb.className='t2';
	let row=tb.insertRow();
	let cell=config.document.createElement('th');
	row.appendChild(cell);	
	cell.setAttribute("colspan","4");
	cell.style.fontSize="20px";
	cell.style.textAlign="center";
	let cellData=config.document.createTextNode(sectionTitle);
	cell.appendChild(cellData);
	cell=row.insertCell();
	let input=config.document.createElement("input");	
	input.type="button";
	input.value="Show";
	input.id="toggle"+sectionName+"VisbilityButton";
	input.onclick=function(){toggleVisibility(sectionName,input.id)};
	cell.appendChild(input);
	config.document.getElementById(formName).appendChild(tb);

	let div=config.document.createElement('div');
	div.id=sectionName;
	div.style.display="none";
	config.document.getElementById(formName).appendChild(div);	

	let divTable=config.document.createElement('div');
	divTable.id=sectionName+"Table";
	div.appendChild(divTable);
	
	if ("showFlag" in additionalData) {

		additionalData.divName=sectionName+"SubDiv";
		additionalData.divQueryName=sectionName+"SubDivList";

		let div1=config.document.createElement('div');
		div1.id=additionalData.divName;
		div1.style.display="none";
		div.appendChild(div1);
	
		let div2=config.document.createElement('div');
		div2.id=additionalData.divQueryName;
		div1.appendChild(div2);

	}
	if (debug) print("generate master table");

		
	let setup=getSetup(listName);
	
	if ("isReview" in additionalData){
		generateReviewSection(listName,div.id,generateReviewSectionCB);
		return;	
	}
	//master table is unique per visit

	
	setup.unique=true;
	generateTable(listName,divTable.id,additionalData,setup);
	
	if (debug) print("generate master table: done");

	let generateSubTable=true;
	if (formStatus=="Submitted")
		generateSubTable=false;
	if (formStatus=="Approved")
		generateSubTable=false;
	
	if (! ("showFlag" in additionalData) ) generateSubTable=false;
	
	if (generateSubTable){
		let qName=additionalData.queryName;
		let dName=additionalData.divName;
		

		let setup=fullAccessSetup(qName);
		//if (readonly) setup=readonlySetup(config);
		generateTable(qName,dName,additionalData,setup);
	}

	print("generate review");

	let divReviewList=config.document.createElement('div');
	divReviewList.id=sectionName+"ReviewList";
	div.appendChild(divReviewList);
	
	let divReview=config.document.createElement('div');
	divReview.id=sectionName+"Review";
	div.appendChild(divReview);


	//assume we already have listId (content of config.setupQueryName is listId)
	//we need listName also
	//qconfig.queryName=config.setupQueryName;
	generateReview(divReview.id,divReviewList.id,listName);
}

//>>>>reviewSection associated routines

function parseResponseXML(){
	//print(config.config,'Status:' +this.status);
	print('Status:'+this.status);
	if (this.status!=200) return;
	config.loadFileConfig.json=JSON.parse(this.responseText);
	config.loadFileConfig.cb();
}

function loadFile(){
	print('YY: '+config.loadFileConfig.url);

	let connRequest=new XMLHttpRequest();
	connRequest.addEventListener("loadend",parseResponseXML);
		//function(e){parseResponseXML(e,config);});
	connRequest.open("GET", config.loadFileConfig.url);
	connRequest.send();
}


function getBasePath(){
	let server=LABKEY.ActionURL.getBaseURL();
	let basePath=server+"_webdav";
	basePath+=LABKEY.ActionURL.getContainer();
	return basePath;
}


function generateReviewSection(listName,id,callback){
	//callback should be generateReviewSectionCB and it takes no arguments
	print("generateReviewSection");
	//need base path


	config.loadFileConfig=new Object();
	
	
	config.loadFileConfig.cb=callback;
	config.loadFileConfig.id=id;
	config.loadFileConfig.url=getBasePath()+'/@files/reportSetup/'+listName+'.json';
	loadFile();
	//load file and continue in the next function
}


function generateErrorMessage(id,listName,msg){
	print('generateErrorMessage:');
	let eid=listName+"_errorMsg";
	let el=config.document.getElementById(eid);
	if (el===null){
		el=config.document.createElement("p");
		config.document.getElementById(id).appendChild(el);
	}
	el.innerHTML=msg;
}

function clearErrorMessage(listName){
	let eid=listName+"_errorMsg";
	let el=config.document.getElementById(eid);
	if (el===null) return;
	el.remove();
}

function getParticipantCode(pid){
	let selectRows=new Object();
	selectRows.schemaName='lists';
	//we should now which form we are in
	let mfId=config.formConfig.form['masterQuery'];
	selectRows.queryName=config.formConfig.queryMap[mfId];
	//point to data container
	selectRows.containerPath=getContainer('data');
	

	//selectRows.queryName='PET';
	pid.afterId=setParticipantCode;
	selectRows.success=function(data){afterRegistration(pid,data);}
	selectRows.filterArray=[LABKEY.Filter.create("crfRef",getCRFref())];
	LABKEY.Query.selectRows(selectRows);
}

function visitCodeFromVisitId(visitId){
	if (visitId<0) return "NONE";
	let project=LABKEY.ActionURL.getContainer();
	print('visitCodeFromVisitId: '+project.search('retro'));
	if (project.search('retro')>-1)
		visitId-=1;
	return 'VISIT_'+visitId.toString();
}

function replaceSlash(x){
	return x.replace(/\//,'_');
}

function setParticipantCode(pid){
	let rows=pid.registration.rows;
	if (rows.length==1){
		print('setParticipantCode: '+rows[0].participantCode+'/'+rows[0].visitId);
		let visitCode=visitCodeFromVisitId(rows[0].visitId);
		print('setParticipantCode: '+pid.participantId+'/'+visitCode);
		pid.participantCode=replaceSlash(pid.participantId);
		pid.visitCode=visitCode;
	}
	generateReviewSection2(pid);
}


function generateReviewSectionCB(){

	let listName=config.loadFileConfig.listName;
	let id=config.loadFileConfig.id;

	clearErrorMessage(listName);

	let pid=new Object();
	pid.participantCode="NONE";
	pid.visitCode="NONE";
	getParticipantCode(pid);
	print('Get participant code sent');
	//involves database search, continue after callback
}

function getValueFromElement(id,defaultValue){
	let e=config.document.getElementById(id);
	if (e!=null){
		defaultValue=e.innerHTML;
	}
	return defaultValue;
}

function pickParticipantCodeFromPage(){
	let pid=new Object();
	pid.participantCode=getValueFromElement("participantCode","NIX-LJU-D2002-IRAE-A000");
	pid.visitCode=getValueFromElement("visitCode","VISIT_1");
	generateReviewSection2(pid);
}


function patternReplace(src,replacements,values){

	for (rep in replacements){
		let txt1=src.replace(new RegExp(rep),values[replacements[rep]]);
		src=txt1;
	}
	return src;

}

function plotImage(cell,k,row,rowVariable,obj,pid){
	let baseDir=patternReplace(obj.imageDir,obj.replacements,pid);
	print('Base dir: '+pid.basePath);
	pid[obj.variable]=obj.values[k];
	cell.id=pid[obj.variable]+"_"+rowVariable+pid[rowVariable];
	let img=null;
	let imgId=cell.id+'_img_';
	img=config.document.getElementById(imgId);
	if (img===null){
		img=config.document.createElement('img');
		img.id=imgId;
		cell.appendChild(img);
	}
	let imgSrc=patternReplace(obj.file,obj.replacements,pid);
	print('Image: '+imgSrc);
	let imagePath=pid.basePath+'/'+baseDir+'/'+imgSrc;
			
	img.src=imagePath;
	img.width="300";

	
}

function showReport(cell,k,row,rowVariable,obj,pid){

	cell.width="300px";
	cell.id='report_'+obj.values[k]+"_"+rowVariable+pid[rowVariable];
	let reportConfig=new Object();
	reportConfig.partName="Report";
	reportConfig.renderTo=cell.id;
	//reportConfig.showFrame=false;
	//reportConfig.width="300";
	reportConfig.frame="none";
	reportConfig.partConfig=new Object();
	reportConfig.partConfig.width="300";
	reportConfig.partConfig.title="R Report";
	reportConfig.partConfig.reportName=obj.values[k];
	for (f in obj.parameters){
		reportConfig.partConfig[f]=pid[f];
	}
	reportConfig.partConfig.showSection="myscatterplot";
	let reportWebPartRenderer = new LABKEY.WebPart(reportConfig);
	print('Render to: '+reportConfig.renderTo);
	reportWebPartRenderer.render();
}


function showProbability(cell,k,row,rowSetup,j,obj,pid){
	print('showProbability: '+rowSetup);
	let rowVariable=rowSetup.variable;	
	cell.id='prob_'+obj.values[k]+"_"+rowVariable+pid[rowVariable];

	let probDensity=new Object();
	probDensity.mean=rowSetup.mean[j];
	probDensity.sigma=rowSetup.sigma[j];

	print('showProbability: mean '+probDensity.mean+' sigma '+probDensity.sigma);


	probDensity.func=obj.values[k];
	probDensity.organCode=pid.organCode;
	pid[obj.variable]=rowSetup[obj.variable][j];
	probDensity.percentile=pid.percentile;
	let selectRows=new Object();
	selectRows.queryName=obj.queryName;
	selectRows.schemaName="study";
	selectRows.filterArray=[];
	selectRows.containerPath=getContainer('data');
	for (let f in obj.filters){
		selectRows.filterArray.push(
				LABKEY.Filter.create(f,pid[obj.filters[f]]));
		print('Filter ['+f+']: '+pid[obj.filters[f]]);
	}
	selectRows.success=function(data){
		drawProbability(data,cell,obj,pid,probDensity);}
	LABKEY.Query.selectRows(selectRows);
}

function erf(x){
	let fx=[0,0.02,0.04,0.06,0.08,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,
		1,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2,
		2.1,2.2,2.3,2.4,2.5,3,3.5];
	let fy=[0,0.222702589,0.328626759,0.428392355,0.520499878,
		0.603856091,0.677801194,0.742100965,0.796908212,
	 	0.842700793,0.880205070,0.910313978,0.934007945,
		0.952285120,0.966105146,0.976348383,
		0.983790459,0.989090502,0.992790429,0.995322265,
		0.997020533,0.998137154,0.998856823,0.999311486,
		0.999593048,0.999977910,0.999999257];
	let n=32;
	let i0=n-1;

	for (let i=1;i<n;i++){
		if (Math.abs(x)>fx[i]) continue;
		i0=i-1;
		break;
	}
	let fval=1;
	if (i0<n-1){
		//interpolate
		let y1=fy[i0+1];
		let y0=fy[i0];
		let x1=fx[i0+1];
		let x0=fx[i0];
		fval=y0+(y1-y0)/(x1-x0)*(Math.abs(x)-x0);
	}
	print('Erf: '+fval);
	if (x<0) return -fval;
	return fval;
}


function setLine(fbox,name,value,fontSize){
	let fpId=fbox.id+name;
	let fp=config.document.getElementById(fpId);
	if (fp===null){
		fp=config.document.createElement("p");
		fp.id=fpId;
		fbox.appendChild(fp);
	}
	fp.classList.add("center");
	fp.style.textAlign="center";
	fp.style.fontSize=fontSize;
	fp.innerText=value;
}	

function drawProbability(data,cell,obj,pid,probDensity){
	print('drawProbability');
	if (data.rows.length!=1){
		print("drawProbability row length mismatch: "+data.rows.length);
		return;
	}
	//possible mismatch; I assume the dataset will have a field called value
	let val=data.rows[0].value;

	let prob=0;
	let fz=-100;

	if (probDensity.func=="gaus"){
		fz=(val-probDensity.mean)/probDensity.sigma/Math.sqrt(2);
		prob=0.5+0.5*erf(fz);
	}
	let color="red";
	let fzx=fz*Math.sqrt(2);
	print('drawProbability '+fzx);

	for (let i=1;i<obj.intervals.n;i++){
		if (fzx>obj.intervals.zlimits[i]) continue;
		color=obj.intervals.colors[i-1];
		break;
	}
	
	let fboxId=cell.id+'_fbox_';
	let fbox=config.document.getElementById(fboxId);
	if (fbox===null){
		fbox=config.document.createElement("div");
		fbox.id=fboxId;
		cell.appendChild(fbox);
	}
	fbox.style.backgroundColor=color;
	fbox.style.width="180px";
	fbox.style.height="180px";
	

	print('organCode '+probDensity.organCode);
	let organName="Lung";

	if (probDensity.organCode==4){
		organName="Thyroid";
	}
	if (probDensity.organCode==5){
		organName="Bowel";
	}

	setLine(fbox,'_fp4_',organName,"16px");
	setLine(fbox,'_fp_',val.toPrecision(3),"25px");
	setLine(fbox,'_fp1_',"SUV("+probDensity.percentile+"%)","16px");
	setLine(fbox,'_fp2_',fzx.toPrecision(3),"25px");
	setLine(fbox,'_fp3_',"z-value","16px");


}

function generateReviewSection2(pid){ 
	
	let listName=config.loadFileConfig.listName;
	let id=config.loadFileConfig.id;
	
	print('generateReviewSection2: '+pid.participantCode+'/'+
		pid.visitCode);
	if (pid.participantCode=="NONE" || pid.visitCode=="NONE"){
		generateErrorMessage(id,listName,
			"ParticipantId/visitId not set");
		return;
	}
	

	print('JSON: '+config.loadFileConfig.json);

	let json=config.loadFileConfig.json;
	let nrows=json.rows.values.length;
	let ncol=json.columns.length;

	pid.basePath=getBasePath()+"/@files";
	
	
	let el=config.document.getElementById(id);
	let tableId=id+'_Table';
	let table=config.document.getElementById(tableId);
	if (table==null){
		table=config.document.createElement('table');
		table.id=tableId;
		el.appendChild(table);
	}
	table.style.tableLayout="fixed";
	table.style.columnWidth="300px";
	
	for (let i=0;i<nrows;i++){
		pid[json.rows.variable]=json.rows.values[i];
		//let organ=organs[i];
		let row=null;
		if (i<table.rows.length)
			row=table.rows[i];
		else
			row=table.insertRow();

		let ic=0;
		for (let j=0;j<ncol;j++){
			let obj=json.columns[j];
			let nv=obj.values.length;
			for (let k=0;k<nv;k++){
				let cell=null;
				if (ic<row.cells.length)
					cell=row.cells[ic];
				else
					cell=row.insertCell();
				if (obj.display=="image") 
					plotImage(cell,k,row,json.rows.variable,obj,pid);
				if (obj.display=="report") 
					showReport(cell,k,row,json.rows.variable,obj,pid);
				if (obj.display=="probability"){ 
					showProbability(cell,k,row,json.rows,i,obj,pid);
				}	
				ic++;
			}


		}
		

	}
}

///>>>>>>>>>>>>>>end of reviewSection(REPORT)

function generateReview(divReviewId,divReviewListId, listName){
	let listId=config.formConfig.fields[listName].queryId;

	let debug=true;
	if (debug) print("Generate review for: "+listId);
	
	let reviewSetup=new Object();
	reviewSetup.readonlyFlag=function(vName){
		if (vName=="queryName") return true; 
		if (vName=="queryname") return true; 
		if (vName=="ModifiedBy") return true;
		return false;};
	reviewSetup.addApply="Add Review";

	let generateTableFlag=true;
	let formStatus=config.formConfig.formStatus;
	if (formStatus == "Approved" ){
		delete reviewSetup.addApply;
		reviewSetup.readonlyFlag=function(vName){return false;}
		generateTableFlag=false;
	}
	
	reviewSetup.filters=new Object();
	reviewSetup.filters["crfRef"]=getCRFref();
	
 	reviewSetup.filters["queryName"]=listId;//entry in reviewComments list is queryname, all in small caps
	//needs listName, in argument
	
	reviewSetup.getInputId=function(vName){return listName+"_add"+vName};
	reviewSetup.divReviewListId=divReviewListId;
		

	if (debug) {
		let msg="Review: divId: "+divReviewId;
		msg+=" inputId: "+reviewSetup.getInputId;
		print(msg);
	}
	updateListDisplay(divReviewListId,"reviewComments",reviewSetup.filters,true);
	
	if (! generateTableFlag) return;

	
	generateTable("reviewComments",divReviewId,new Object(),reviewSetup);
}	

//>>>>>>>>>>trigger visibility of additional lists

function setListVisibility(setup,additionalData,readonlyFlag){
	let debug=true;
	if (debug){
		print("Set list visibility ");
		for (f in additionalData){
			print("AdditionalData["+f+"]: "+additionalData[f]);
		}
	}
	let x = config.document.getElementById(additionalData.divName);
	if (debug) print("\n Div: "+x);
	x.style.display="none";
	let eId=setup.getInputId(additionalData.showFlag);
	let e = config.document.getElementById(eId);
	
	let sText;
	if (readonlyFlag) sText=e.innerHTML;
	else sText=e.options[e.selectedIndex].text;
	
	if (debug) print("\n Selected option text: "+sText);

	if (sText == additionalData.showFlagValue){
		let filters=new Object();
		if ("filters" in additionalData) filters=additionalData.filters;
		x.style.display = "block";
		updateListDisplay(additionalData.divQueryName,
			additionalData.queryName,filters,readonlyFlag);
	}
}

//>>have list refresh when data is added (not optimal yet)

function updateListDisplay(divName,queryName,filters,readonlyFlag){
	let debug=true;

	if (debug) 
		print("UpdateListDisplay: Query - "+queryName
			+" div - "+divName);

	if (divName=="NONE") return;

	let crfRef=getCRFref();
	let div=config.document.getElementById(divName);

	if (debug)
		print("Enabling display to queryName: "+queryName);
	
	var qconfig=new Object();
	qconfig.renderTo=divName;
	//point to data container
	qconfig.containerPath=getContainer('data');
	qconfig.schemaName='lists'; 
	qconfig.queryName=queryName;
	qconfig.buttonBarPosition='top';
	qconfig.filters=[];
	for (f in filters){
		qconfig.filters.push(LABKEY.Filter.create(f, filters[f]));
	}
	qconfig.success=updateSuccess;
	qconfig.failure=updateFailure;
	//show only print button
	if (readonlyFlag){
		qconfig.buttonBar=new Object();
		qconfig.buttonBar.items=["print"];
	}

	LABKEY.QueryWebPart(qconfig);
	
}

function updateSuccess(data){
	print("Update success");
}

function updateFailure(data){
	print("Update failed");
}


//TODO: this should trigger a data refresh on section, ie populateData(field)
function toggleVisibility(divName,buttonName){

	let x = config.document.getElementById(divName);
	if (x.style.display === "none") {
		//exclude non data sections (like debug)...
		populateSection(divName);
    		x.style.display = "block";
		config.document.getElementById(buttonName).value="Hide";

  	} else {
    		x.style.display = "none";
		config.document.getElementById(buttonName).value="Show";

  	}
}

function generateButtonBU(divName,title,buttonName,callback,
	callbackParameters){
	let debug=true;
	if (debug) print("generateButtonBU");
	
	let tb=config.document.createElement('table');
	tb.className="t2";
	
	let r1=tb.insertRow();
	th=config.document.createElement('th');
	r1.appendChild(th);
	th.innerHTML=title;
	//*!*
	let c2=r1.insertCell();
	let i1=config.document.createElement("input");	
	i1.type="button";
	i1.value=buttonName;
	i1.style.fontSize="20px";
	i1.onclick=function(){callback(callbackParameters);}
	c2.appendChild(i1);	

	let c1=r1.insertCell();
	c1.setAttribute("colspan","1");
	c1.id=callbackParameters.submitReportId;

	let el=config.document.getElementById(divName);
	if (debug) print("generateButton: element["+divName+"]: "+el);
	
	
	el.appendChild(tb);
	
	
}

function generateButton(divName,title,buttonName,callback){
	let debug=true;
	if (debug) print("generateButtonX");
	
	let tb=config.document.createElement('table');
	tb.className="t2";
	
	let r1=tb.insertRow();
	th=config.document.createElement('th');
	r1.appendChild(th);
	th.innerHTML=title;
	//*!*
	let c2=r1.insertCell();
	let i1=config.document.createElement("input");	
	i1.type="button";
	i1.value=buttonName;
	i1.style.fontSize="20px";
	i1.onclick=callback;
	c2.appendChild(i1);	

	let c1=r1.insertCell();
	c1.setAttribute("colspan","1");
	c1.id=config.submitReportId;

	let el=config.document.getElementById(divName);
	if (debug) print("generateButton: element["+divName+"]: "+el);
	
	
	el.appendChild(tb);
	
	
}


//>>populate fields
//
//
//split to field generation and field population
//
function addFieldRow(tb,field,setup,additionalData){

	let vName=field.name;
	let vType=field.type;
	let isLookup=("lookup" in field);
	print("addFieldRow ["+vName+"/"+vType+'/'+isLookup+"]");
	
	let row=tb.insertRow();
	let cell=config.document.createElement('th');
	row.appendChild(cell);
	
	let text = config.document.createTextNode(field.shortCaption);
	cell.appendChild(text);
	let cell1=row.insertCell();
		
	
	let input=null;
	cell1.colSpan="3";

	let readonlyFlag=setup.readonlyFlag(vName);


	//set the html input object
	while (1){

		if (readonlyFlag){
			input=config.document.createElement('label');
			input.innerText='Loading';
			break;
		}
	

		//lookup
		if (isLookup){
			input = config.document.createElement("select");
			break;
		}

		//date
		if (vType=="date"){ 
			input = config.document.createElement("input");
			input.type="date";
			break;
		}

		//string
		if (vType=="string"){
			//we have to make sure UNDEF is carried to below
			//since we are adapting file to either show
			//current file or allow user to select a file
			//
			//TODO change this so one can always select file
			//but also show the selected file

			if(vName.search("reviewComment")>-1){
				input = config.document.createElement("textarea");
				input.cols="65";
				input.rows="5";
				break;
			}

			input=config.document.createElement('input');
			input.type="text";
			
			if (vName.search('_file_')<0) break;
			cell1.setAttribute('colspan',"1");
			let cell2=row.insertCell();
			cell2.setAttribute('colspan',"2");
			let input1=config.document.createElement('input');
			input1.type="file";
			input1.id=setup.getInputId(vName)+'_file_';
			cell2.appendChild(input1);
			break;
				
		}


		if (vType=="float"){
			input = config.document.createElement("input");
			input.type="text";
			break;
		}	
		
		
		if (vType=="boolean"){
			input = config.document.createElement("input");
			input.type="checkbox";
			print("Creating checkbox");
			break;
		}
		break;
	}
	
	input.id=setup.getInputId(vName);
	cell1.appendChild(input);
	print('Adding element '+input.id);
	print('Listing element '+config.document.getElementById(input.id));
	
	
	if (readonlyFlag) return;
	
	if (!isLookup) 	return;


	let lookup=field["lookup"];

	//get all values from config.formConfig.lookup[X]
	let lObject=config.formConfig.lookup[lookup.queryName];
	
	//debug
	print("Query: "+lookup.queryName);
	print("ElementId: "+input.id);
	print("No of options: " +lObject.LUT.length);
	print("Element: "+input);

	//set the lut value (input is text label) for readonly

   	//clear existing fields from input	
	for(let i = input.options.length; i >= 0; i--) {
		input.remove(i);
   	}
	
	//create option -1
	let opt = config.document.createElement("option");
	opt.text = "<Select>";
	opt.value = -1;
	input.options[0] = opt;
	print( "Adding <Select>");
	

	//add other, label them with LUT
	for (let v in lObject.LUT) {
		print('populating '+v+': '+lObject.LUT[v]);

		let opt = config.document.createElement("option");
		opt.text = lObject.LUT[v];
		opt.value = v;
		input.options[input.options.length] = opt;
		
	}
	input.selectedIndex=0;	

	//add watcher for showFlag field of additionalData
	if (!("showFlag" in additionalData))
		return;

	print("\n Parsing additional data ");
		
	let expId=setup.getInputId(additionalData.showFlag);
	if (expId!=input.id) {
		print("Skipping fields not flagged as showFlag:"+expId+"/"+input.id);
		return;
	}

	print("Setting onChange to "+input.id);
	
	input.onchange=function(){setListVisibility(setup,additionalData,readonlyFlag)};
	setListVisibility(setup,additionalData,readonlyFlag);

}
		
function populateFieldRow(entry,field,setup){

	print('populateFieldRow ['+field.name+']: '+entry[field.name]+' ['+
		setup.getInputId(field.name)+']');
	
	let vName=field.name;
	let vType=field.type;
	let id=setup.getInputId(vName);
	let input=config.document.getElementById(id);
	let isLookup=("lookup" in field);

	let varValue="UNDEF";
	//if (vName in setup.filters) varValue=setup.filters[vName];
	if (vName in entry) varValue=entry[vName];
	//if part of the filter, set it to value
	if (vName in setup.filters) varValue=setup.filters[vName];
		
	//date
	if (vType=="date"){
		if (varValue==="UNDEF") varValue=new Date();
		else varValue=new Date(varValue);
	}
	
	//lookup for readonly
	if (isLookup && varValue!="UNDEF"){
		let lookup=field["lookup"];
		//get all values from config.formConfig.lookup[X]
		let lObject=config.formConfig.lookup[lookup.queryName];
		varValue=lObject.LUT[varValue];
	}

	print('Element: '+input);
	//figure out the element type
	let eType=input.nodeName.toLowerCase();
	print('Element type: '+eType);

	//HTMLTextArea, createElement(textArea)
	if (eType==="textarea"){
		input.value=varValue;
		return;
	}
	//Text, createTextNode
	if (eType==="#text"){
		input.nodeValue=varValue;
		return;
	}
	//HTMLLabelElement, createElement('label')
	if (eType==="label"){
		input.innerText=varValue;
		return;
	}

	//HTMLSelectElement, createElement('select')
	if (eType==="select"){
		input.selectedIndex=0;
		for (let i=0;i<input.options.length;i++){
			let v=input.options[i].text;
			if (v!=varValue) continue;
			input.selectedIndex=i;
			break;
		}
		return;
	}

	if (eType!="input"){
		print('Unknown type: '+eType+' encountered, igonring');
		return;
	}
	
	//HTMLInputElement
	let type=input.type;

	if (type=="date"){
		input.valueAsDate=varValue;
		return;
	}
	//string,float
	if (type=="text"){
		input.value=varValue;
		return;
	}
	//boolean
	if (type=="checkbox"){
		input.checked=varValue;
		return;
	}
	print('Unknown input type: '+type+'. Ignoring.');
}


function populateTable(listName){
	
	let setup=getSetup(listName);
	let entry=new Object();
	
	//data snapshot
	let fQuery=config.formConfig.dataQueries[listName];
	
	//here I assume that listName was parsed during setDataLayout and setData 
	//so that rows was set (even if they are empty)
	print("Nrows "+fQuery.rows.length);
	
	if (fQuery.rows.length>0)
		entry=fQuery.rows[0];
	
	let fields=fQuery.fields;
		
	for (f in fields){	
		let field=fields[f];
		//each field is a new row
		print("Adding field: "+f+'/'+field.name);
		if (field.hidden) continue;
		if (field.name=="crfRef") continue;
		populateFieldRow(entry,field,setup);
		
	}

}

function generateTable(listName,divName,additionalData,setup){
	let debug=true;
	
	if (debug) print("generateTable: "+listName);
	
	//assume data is set in config.formConfig.dataQueries[data.queryName].rows;
	

	let entry=new Object();

	//data snapshot
	let fQuery=config.formConfig.dataQueries[listName];

	//here I assume that listName was parsed during setDataLayout and setData 
	//so that rows was set (even if they are empty)
	print("Nrows "+fQuery.rows.length);
	
	if (fQuery.rows.length>0)
		entry=fQuery.rows[0];
	
	let tb=config.document.createElement('table');
	tb.className="t2";
	config.document.getElementById(divName).appendChild(tb);

	//this are the fields (probably constant)
	let fields=fQuery.fields;
		
	for (f in fields){
		let field=fields[f];
		//each field is a new row
		print("Adding field: "+f+'/'+field.name);
		if (field.hidden) continue;
		if (field.name=="crfRef") continue;
		addFieldRow(tb,field,setup,additionalData);
		populateFieldRow(entry,field,setup);
		
	}
	//add comment field	
	if (!("addApply" in setup)) {
		print("populateTable: done");
		return;
	}
	
	let row=tb.insertRow();

	let th=config.document.createElement('th');
	row.appendChild(th);
	th.innerHTML=setup.addApply; 
	let cell=row.insertCell();
	//cell.setAttribute("colspan","2");
	let input=config.document.createElement("input");	
	input.type="button";
	input.value=setup.addApply;
	cell.appendChild(input);	
	let cell1=row.insertCell();
	cell1.setAttribute("colspan","2");
	cell1.id=setup.getInputId("rerviewLastSave");
	cell1.innerHTML="No recent update";
	//saveReview is a generic name for saving content of the html page to a list entry
	input.onclick=function(){saveReview(listName,cell1.id,setup)};
}	
	
function saveReview(queryName,elementId,setup){
	//loads any queryName

	let debug=true;
	if (debug) print("saveReview: elementId "+elementId+" queryName "+queryName);
	let useInsert=false;
	
	if (!("unique" in setup)) useInsert=true;

	let fQuery=config.formConfig.dataQueries[queryName];

	if (fQuery.rows.length==0) useInsert=true;
	let entry=new Object();
	
	if (!useInsert){
		entry=fQuery.rows[0];
 	}
	entry.crfRef=getCRFref();

	if (debug) print("Set crfRef="+entry.crfRef);

	//if ("queryName" in setup.filters) {
	//	entry.queryName=setup.filters["queryName"];
	//	if (debug) print("Setting queryName: "+entry.queryName);
	//}

	let fields=fQuery.fields;
	for (f in fields){

		let field=fields[f];
		if (debug) print("saveReview field: "+field.name);
		if (field.hidden) continue;
		
		let vName=field.name;
		let vType=field.type;

		if (debug) print("vType: "+vType);
		
		if (vName=="crfRef") continue;
		//need to save queryName for reviewComments
		
		let eId=setup.getInputId(vName);
		
		let el=config.document.getElementById(eId);
				
		if (!el) {
			if (debug) print("saveReview element: "+eId+" not found");
			continue;
		}
		if (debug) print("saveReview element: "+eId);

		
		let eType=el.nodeName.toLowerCase();

		if (eType==="select"){
			entry[vName]=el.options[el.selectedIndex].value;
			continue;
		}
	
		if (eType==="td"){
			entry[vName]=el.innerText;
			continue;
		}
		
		if (vType=="date"){
			let date=el.valueAsDate;
			if (date==="null") continue;
			date.setUTCHours(12);
			entry[vName]=date.toString();
			print("Setting date to "+entry[vName]);
			continue;
		}

		if (vType=="string"){
			entry[vName]=el.value;
			
			if (vName.search('_file_')<0) 
				continue;
			
			//upload file
			let id1=eId+'_file_';
			let input1=config.document.getElementById(id1);
			print('Attachment field: '+input1.value);
			//entry[vName]=el.files[0].stream();
			let ctx=new Object();
			ctx['dirName']='consent';
			ctx['ID']=entry['crfRef'];
			//should point to data container
			ctx['project']=getContainer('data');
			//need ID->crf!
			//assume crfRef will get set before this
			//element is encountered
			uploadFile(input1,ctx);
			let fv=el.value;
			let suf=fv.split('.').pop();
			entry[vName]=entry['crfRef']+'.'+suf;
			continue;
			
		}	
		if (vType=="float" || vType=="int"){
			entry[vName]=el.value;
			if (vName=="queryName") {
				print('Parsing queryName: '+el.innerText);
				entry[vName]=config.formConfig.fields[el.innerText].queryId;
				//use queryMap lookup
			}
			continue;
		}	
		if (vType=="boolean"){
			entry[vName]=el.checked;
			continue;
		}


	}
	
	let qconfig=new Object();
	qconfig.rows=[entry];
	//should point to data container
	qconfig.containerPath=getContainer('data');
	qconfig.schemaName='lists';
	qconfig.queryName=queryName;

	//only update comments
	print("modifyRows: useInsert "+useInsert);
	qconfig.success=function(data){updateLastSavedFlag(data,setup,elementId)};
	if (!useInsert){
		LABKEY.Query.updateRows(qconfig);
	}
	else{
		LABKEY.Query.insertRows(qconfig);
	}
}

function updateLastSavedFlag(data,setup,elementId){
	let debug=true;
	if (debug) print("Update last saved flag to "+elementId);
	let el=config.document.getElementById(elementId);
	let dt=new Date();
	el.innerHTML="Last saved "+dt.toString();
	if (data.queryName=="reviewComments"){
		updateListDisplay(setup.divReviewListId,"reviewComments",setup.filters,true);
	}	
	//refresh stored data!
	if ("unique" in setup)
		setData(function (){populateTable(data.queryName);});
}

//******************************************upload to database *********************


function onDatabaseUpload(){
	print("Database upload");
	configUpload=new Object();
	//figure out the participantId
	
	let qconfig=new Object();

	qconfig.schemaName="lists";
	//redirect to configuration container
	qconfig.containerPath=getContainer('config');
	qconfig.queryName="Forms";
	qconfig.filterArray=[LABKEY.Filter.create('Key',config.formId)];
	
	//qconfig.filterArray=[LABKEY.Filter.create('formStatus',1)]
	qconfig.success=function(data){afterForms(configUpload,data)};
	LABKEY.Query.selectRows(qconfig);

}

function afterForms(configUpload,data){	
	print('afterForms');
	let formEntry=data.rows[0];
	configUpload.registrationQueryId=formEntry["masterQuery"];
	configUpload.afterId=afterParticipantId;
	let qconfig=new Object();
	qconfig.queryName=config.formConfig.queryMap[configUpload.registrationQueryId];
	//queryMap holds mapping for queries in visit; 
	//masterQuery should be one of them, so this is safe.
	qconfig.schemaName='lists';
	qconfig.containerPath=getContainer('data');
	qconfig.filterArray=[LABKEY.Filter.create('crfRef',getCRFref())];
	qconfig.success=function(data){afterRegistration(configUpload,data);}
	LABKEY.Query.selectRows(qconfig);
	//waitForCompleteUpload(config);//

}

function afterRegistration(configUpload,data){
	print("afterRegistration: rows:"+data.rows.length);
	configUpload.registration=data;
	let registrationData=configUpload.registration;
	clearErr();
	if (registrationData.rows.length!=1){
		let msg="ERROR: Found "+registrationData.rows.length;
		msg+=" registration entries for crfrefid "+getCRFref()+" in "+data.queryName;
		print(msg);
		configUpload.afterId(configUpload);
		return;
	}
	print('registration participant field: '+config.registrationParticipantIdField);
	configUpload.participantId=
		registrationData.rows[0][config.registrationParticipantIdField];
	//could be a lookup field
	print('ID: '+configUpload.participantId);	
	let fields=registrationData.metaData.fields;
	let field="NONE";
	for (f in fields){
		if (fields[f]["name"]==config.registrationParticipantIdField)
			field=fields[f];
	}
	if ("lookup" in field){
		let pid=configUpload.participantId;
		print("Using lookup for participantId: "+pid);
		let lookup=field["lookup"];
		print("Lookup: ["+lookup.schemaName+','+lookup.queryName+']');
		let qconfig=new Object();
		//should point to data container
		qconfig.containerPath=getContainer('data');
		qconfig.schemaName=lookup.schemaName;
		qconfig.queryName=lookup.queryName;
		qconfig.filterArray=
			[LABKEY.Filter.create(lookup.keyColumn,pid)];
		qconfig.success=function(data){
			afterRegistrationLookup(configUpload,data,lookup.displayColumn)};
		LABKEY.Query.selectRows(qconfig);
	}
	else{
		//afterParticipantId(configUpload);
		configUpload.afterId(configUpload);
	}
}

function afterRegistrationLookup(configUpload,data,displayColumn){
	print("afterRegistrationLookup");
	let entry=data.rows[0];
	configUpload.participantId=entry[displayColumn];
	print('Setting to '+configUpload.participantId);
	configUpload.afterId(configUpload);
	//afterParticipantId(configUpload);
}


function afterParticipantId(configUpload){
	print("Setting participantId to "+configUpload.participantId);
	//another select rows to update all queries from setup
	//just use registration for test
	let qconfig=new Object();
	qconfig.schemaName='lists';
	//qconfig.queryName=config.setupQueryName;
	qconfig.queryName="FormSetup";
	qconfig.containerPath=getContainer('config');
	qconfig.filterArray=[LABKEY.Filter.create("formName",config.formId)];
	qconfig.success=function(data){afterSetup(configUpload,data);}
	LABKEY.Query.selectRows(qconfig);
}

function afterSetup(configUpload,data){

	configUpload.queries=new Array();

	for (let i=0;i<data.rows.length;i++){
		let entry=data.rows[i];
		//skip reviews
		if (entry.showFlag=="REVIEW") continue;
		//use lookup table to convert from id to name
		let queryName=config.formConfig.queryMap[entry.queryName];
		configUpload.queries.push({queryName:queryName,queryStatus:"QUEUED"});
		if (entry.showQuery=="NONE")
			continue
		configUpload.queries.push({queryName:entry.showQuery,queryStatus:"QUEUED"});
	}
	//add reviews
	configUpload.queries.push({queryName:"reviewComments",queryStatus:"QUEUED"});
	configUpload.queryId=0;
	copyToDataset(configUpload);

	//config.upload["start"]=true;
	//for (u in config.upload){
	//	if (u=="start") continue;
	//	if (u=="count") continue;
	//	copyToDataset(config,u,participantId);
	//}
	//
	//print("Database updated");
}



function copyToDataset(configUpload){

	if (configUpload.queryId==configUpload.queries.length) {
		updateFlag(3);//Approved
		return;
	}

	let queryName=configUpload.queries[configUpload.queryId].queryName;
	print("copyToDataset["+configUpload.queryId+"/"+configUpload.queries.length+"]: "+queryName);
	let qconfig=new Object();
	qconfig.queryName=queryName;
	qconfig.schemaName="lists";
	qconfig.containerPath=getContainer('data');
	qconfig.filterArray=[LABKEY.Filter.create('crfRef',getCRFref())];
	qconfig.success=function(data){afterListData(configUpload,data)};
	LABKEY.Query.selectRows(qconfig);
}

function afterListData(configUpload,data){

	let queryName=configUpload.queries[configUpload.queryId].queryName;
	let msg="["+queryName+"/list]: "+data.rows.length+" entries";
	print(msg);
	configUpload.queries[configUpload.queryId].listData=data;

	let qconfig=new Object();
	qconfig.queryName=queryName;
	qconfig.schemaName="study";
	qconfig.containerPath=getContainer('data');
	qconfig.filterArray=[LABKEY.Filter.create('crfRef',getCRFref())];
	qconfig.filterArray.push(LABKEY.Filter.create('ParticipantId',configUpload.participantId));
	qconfig.success=function(data){afterStudyData(configUpload,data)};
	LABKEY.Query.selectRows(qconfig);
}


function afterStudyData(configUpload,data){
	configUpload.queries[configUpload.queryId].studyData=data;

	let queryName=configUpload.queries[configUpload.queryId].queryName;
	let msg="["+queryName+"/study]: "+data.rows.length+" entries";
	print(msg);
	

	let listRows=configUpload.queries[configUpload.queryId].listData.rows;
	//skip uploading an empty set
	if (listRows.length==0){
		printErr("List "+queryName+" empty.");
		configUpload.queries[configUpload.queryId].queryStatus="DONE";
		configUpload.queryId+=1;
		copyToDataset(configUpload);
		return;
	}
	

	let studyRows=configUpload.queries[configUpload.queryId].studyData.rows;

	for (let i=0;i<studyRows.length;i++){
		let entry=studyRows[i];
		if (! (i<listRows.length) ) continue;
		let entryList=listRows[i];
		//keeps study only variables (ParticipantId, SequenceNum)
		for (let f in entryList) {
			entry[f]=entryList[f];
			print("Copying ["+f+"]: "+entry[f]+"/"+entryList[f]);
		}
	}
	if (studyRows.length>0) {
		let qconfig=new Object();
		qconfig.queryName=queryName;
		qconfig.schemaName="study";
		qconfig.rows=studyRows;
		qconfig.containerPath=getContainer('data');
		qconfig.success=function(data){afterStudyUpload(configUpload,data);}
		LABKEY.Query.updateRows(qconfig)
	}
	else{
		let data=new Object();
		data.rows=new Array();
		afterStudyUpload(configUpload,data);
	}
}

function afterStudyUpload(configUpload,data){
	
	//let participantField=config.participantField;
	let participantField=config.formConfig.studyData["SubjectColumnName"];

	let dataObject=configUpload.queries[configUpload.queryId];
	let queryName=dataObject.queryName;
	printErr("Updated "+data.rows.length+" rows to "+queryName);
	
	let studyRows=dataObject.studyData.rows;
	let listRows=dataObject.listData.rows;
	
	let rows=new Array();
	//also updating existing rows, if they exist
	for (let i=studyRows.length;i<listRows.length;i++){
		let entry=listRows[i];
		//make sure you have the participantField right
		//
		entry[participantField]=configUpload.participantId;
		entry.crfRef=getCRFref();
		entry.SequenceNum=getCRFref();
		entry.SequenceNum=entry.SequenceNum % 1000000000;
		
		if (listRows.length>1){
			entry.SequenceNum+=i/100;
		}
		delete entry.Key;
		print( "Adding sequence number "+entry.SequenceNum + " key " + entry.Key);
		for (q in entry){
			print("\t["+q+"]: "+entry[q]);
		}
		//remove Key as it might interferre with preset values
		rows.push(entry);
	}
	if (rows.length>0){

		let qconfig=new Object();
		qconfig.queryName=queryName;
		qconfig.schemaName="study";
		qconfig.containerPath=getContainer('data');
		qconfig.success=function(data){
			afterListUpload(configUpload,data)};
		qconfig.failure=doFailure;
		qconfig.rows=rows;
		LABKEY.Query.insertRows(qconfig);
	}
	else{
		let data=new Object();
		data.rows=rows;
		afterListUpload(configUpload,data);
	}
			
}

function afterListUpload(configUpload,data){

	let queryName=configUpload.queries[configUpload.queryId].queryName;
	printErr("Inserted "+data.rows.length+" rows to "+queryName);
	configUpload.queries[configUpload.queryId].queryStatus="DONE";
	configUpload.queryId+=1;
	copyToDataset(configUpload);

}




//*************************update for further review *************************

function onUpdateForReview(){
	updateFlag(4);//Pending review
}

function updateFlag(flag){
	if (flag==4)
		print("Sent to further review");
	let qconfig=new Object();
	qconfig.schemaName='lists';
	qconfig.queryName='crfEntry';
	qconfig.containerPath=getContainer('data');
	qconfig.success=function(data){setFlag(data,flag);}
	qconfig.filterArray=[LABKEY.Filter.create("entryId",getCRFref())];
	LABKEY.Query.selectRows(qconfig);
}

function setFlag(data,flag){
	let debug=true;
	if (flag==4) print("setFlagToReview");
	if (data.rows.length!=1){
		let msg="ERROR: Found "+data.rows.length;
		msg+=" entries for crfrefid "+getCRFref();
		print(msg);
		return;
	}
	let entry=data.rows[0];
	entry.FormStatus=flag;//Pending Review
	if (debug)
		print("Set form status to "+entry.FormStatus);
	
	let qconfig=new Object();
	qconfig.schemaName='lists';
	qconfig.queryName='crfEntry';
	qconfig.containerPath=getContainer('data');
	qconfig.rows=[entry];
	qconfig.success=function(data){completeWithFlag(data,flag);}
	LABKEY.Query.updateRows(qconfig);
	
}

function completeWithFlag(data,flag){

	let debug=true;

	if (debug){
		if (flag==4) print("complete with review");
	}
	redirect();

	
	

}

//************************************************ submit *******************************************


function onSubmit(){
	let debug=true;
	hideErr();
	clearErr();
	printErr("onSubmit");

	//the idea of check form is to provide a methodology for form validation
	//it consists of two parts - a routine that initiates the check, and a 
	//polling watchdog that waits for its execution.
	//Non-linear approach follows the natural javascript pathway.
	checkForm();

	//watchdog with callback that gets executed when checkForm is done
	let cb=new Object();
	cb.success=finalValidation;
	cb.failure=function(config){printErr("waitForCheckForm failed")};
	waitForCheckForm(cb);
}


function finalValidation(){
	let debug=true;
	if (debug) print("validate");
	
	let completed=true;
	for (f in config.fields){
		let field=config.fields[f];
		if (field.status!="DONE") {
			printErr("Missing entry for "+field.title);
			completed=false;
		}
	}
	if (debug) print("valid: "+completed);

	if (completed){
		modifyCRFEntry();
	}
	else{
		let el=document.getElementById(config.submitReportId);
		el.innerHTML="Form invalid";
	}
}

function modifyCRFEntry(){
	printErr("Form valid");
	let c1=new Object();
	c1.schemaName='lists';
	c1.queryName='crfEntry';
	c1.containerPath=getContainer('data');
	c1.filterArray=[LABKEY.Filter.create('entryId',getCRFref())];
	c1.success=changeCRFStatus;
	LABKEY.Query.selectRows(c1);
}

function changeCRFStatus(data){
	
	let entry=data.rows[0];
	entry.formStatus=2;//Submitted
	let el=document.getElementById(config.submitReportId);
	el.innerHTML="Submitting form";
	let c1=new Object();
	c1.schemaName=data.schemaName;
	c1.queryName=data.queryName;
	//should point to data container
	c1.containerPath=getContainer('data');
	c1.rows=[entry];
	//close window upon success
	c1.success=sendEmail;
	LABKEY.Query.updateRows(c1);
}

function sendEmail(data){

	let st=config.formConfig.settings;
	let cvar='sendEmail';
	if (cvar in st){
		print(cvar+' set to '+st[cvar]);
		if (st[cvar]=='FALSE'){
			print('Skipping sending emails');
			redirect();
			return;
		}
	}
	
	print('send email'+data.rows.length);
	let crf=data.rows[0]['entryId'];
	let formId=data.rows[0]['Form'];
	let link=LABKEY.ActionURL.getBaseURL();
	link+=LABKEY.ActionURL.getContainer();
	link+='/crf-visit.view?';
	link+='entryId='+crf;
	link+='&formId='+formId;

	//debug
	let recipients=new Array();
	let typeTo=LABKEY.Message.recipientType.to;
	//from crfManagers list
	let as=LABKEY.Message.createRecipient(typeTo,'andrej.studen@ijs.si');
	recipients.push(as);
	let typeHtml=LABKEY.Message.msgType.html;
	let typePlain=LABKEY.Message.msgType.plain;
	let msg=LABKEY.Message.createMsgContent(typeHtml,'<h2>Test</h2>');
	let msg1=LABKEY.Message.createMsgContent(typePlain,link);

	LABKEY.Message.sendMessage({
		msgFrom:'labkey@fmf.uni-lj.si',
		msgSubject:'Form submitted',
		msgRecipients:recipients,
		msgContent:[msg1],
		success: redirect
	});

}

function hideErr(){
	let el=config.document.getElementById("errorDiv");
	el.style.display="none";
}

function clearErr(){
	let el=config.document.getElementById("errorTxt");
	el.value="";
}

function showErr(){
	let el=config.document.getElementById("errorDiv");
	el.style.display="block";
}

function printErr(msg){
	showErr();
	el=config.document.getElementById("errorTxt");
	el.style.color="red";
	el.value+="\n"+msg;
}


//validation worker
function checkForm(){
	let debug=true;
	let crfRef=getCRFref()


	config.status="UNKNOWN";
	//fields are queries that are part of the form
	//this allows validation to be performed on all
	//queries that are part of the form
	for (f in config.formConfig.fields){
		let field=config.formConfig.fields[f];
		field.status="UNKNOWN";

		if (debug) 
			print("Setting status for "+f+" to "+ field.status);

		let selectRows=new Object();
		//points to data container
		selectRows.containerPath=getContainer('data');
		selectRows.schemaName="lists";
		selectRows.queryName=f;
		//select only entry related to present form
		selectRows.filterArray=[LABKEY.Filter.create('crfRef',crfRef)];
		selectRows.success=checkData;
		selectRows.failure=function(errorObj){print("checkData failed.")};
		LABKEY.Query.selectRows(selectRows);
	}
}

function waitForCheckForm(cb){
	//watchdog - a timeout function
	//if control reaches the end of the function, it gets re-executed after the timeout
	//the body provides two alternative routes that end with return, 
	//one for failure (if timeout gets executed too often)
	//one for success, which looks at the config object, which is in parallel
	//modified by the checkForm and as a daughter process, checkData functions
	
	
	let debug=true;
	//initalize counter
	if (!("i" in config)) config.i=0;
	
	//report execution depth
	if (debug) print("["+config.i+"] checkForm status "+config.status);
	
	//failure route
	if (config.i>100) {
		if (debug) print("executing failure");	
		cb.failure(config);
		return;
	}

	//success route; count on other functions to modify config.status
	//this is very non-obviuos for linear programing, but
	//checkData and waitForCheckForm share the same memory space
	if (config.status=="DONE") {
		if (debug) print("executing success");	
		cb.success(config);
		if (debug) print("success executed");	
		return;
	}

	//this is the repeat route, neither pathway was indicated, stay in loop
	config.i+=1;
	setTimeout(function(){waitForCheckForm(cb);},1000);
}

function checkData(data){
	//insulated worker. Data corresponds to entry of a particular query
	let debug=true;
	if (debug) print("checkData ");
	let field=config.formConfig.fields[data.queryName];
	field.status="NONE";
	if (debug) print("Setting status for "+data.queryName+" to "+
			field.status);

	//this is the only test implemented - we should have at least one row in each of the queries
	//we could also have a more targeted functions, but their form escapes me at the moment
	if (data.rows.length>0)
		field.status="DONE";
		
	if (debug)
		print("checkData set status for "+data.queryName+" to "+field.status);
	

	//here we generate the flag/bell for the watchdog
	for (f in config.fields){
		let subField=config.fields[f];
		if (debug) 
			print("checkData status["+f+"]: "+subField.status);	
		//UNKNOW means we haven't visited it yet
		if (subField.status=="UNKNOWN") {
			if (debug) print("\t Status for "+f+" not set ["+ subField.status+"]");
			//we opt out - clearly, unchecked fields are still present
			return;
		}
		
	}
	//since we didn't exit for any field, we are done, and can set watchdog flag
	config.status="DONE";
}


//**************************************************
//
function onRemoveCRF(){
	let debug=true;

	if (debug){
		print("Removing CRF");
	}

	let selectRows=new Object();
	//points to data container
	selectRows.containerPath=getContainer('data');
	selectRows.schemaName="lists";
	selectRows.queryName="inputLists";
	selectRows.success=afterInputLists;
	LABKEY.Query.selectRows(selectRows);
}

function afterInputLists(data){
	let debug=true;
	if (debug)
		print("After input lists");
	config.inputLists=data;
	config.inputListsIterator=0;

	removeCRFLoop();
}

function removeCRFLoop(){
	let debug=true;

	let i=config.inputListsIterator;
	
	if (debug)
		print("removeCRFLoop ["+i+"/"+config.inputLists.rows.length+"]");

	if (i>config.inputLists.rows.length){
		if (0) return;
		redirect();
	}
	let queryName="crfEntry";
	let idVar="entryId";

	
	if (i<config.inputLists.rows.length){
		queryName=config.inputLists.rows[i].queryName;
		idVar="crfRef";
	}
	if (debug)
		print("["+i+"/"+config.inputLists.rows.length+"] "+queryName+"/"+idVar);

	let selectRows=new Object();
	//points to data container
	selectRows.containerPath=getContainer('data');
	selectRows.schemaName="lists";
	selectRows.queryName=queryName;
	selectRows.filterArray=[LABKEY.Filter.create(idVar,getCRFref())];
	selectRows.success=removeListCRF;
	selectRows.failure=skipListCRF;
	LABKEY.Query.selectRows(selectRows);
}

function removeListCRF(data){
	let debug=true;

	if (debug)
		print(data.queryName+": "+data.rows.length);

	config.inputListsIterator+=1;
	
	if (data.rows.length==0){
		removeCRFLoop();
		return;
	}

	let deleteRows=new Object();
	//points to data container
	deleteRows.containerPath=getContainer('data');
	deleteRows.schemaName=data.schemaName;
	deleteRows.queryName=data.queryName;
	deleteRows.success=function(data){removeCRFLoop()};
	deleteRows.rows=data.rows;
	LABKEY.Query.deleteRows(deleteRows);
	
}

function skipListCRF(errorInfo){
	let debug=true;

	if (debug)
		print("Error in removeCRF: "+errorInfo.exception);

	config.inputListsIterator+=1;
	
	removeCRFLoop();
	
}



function redirect(){
	let formUrl="begin";
	let params=new Object();
	params.name=formUrl;
	params.pageId="CRF";

	//points to crf container
	let containerPath=getContainer('CRF');
        
	// This changes the page after building the URL. 
	//Note that the wiki page destination name is set in params.
        
	var homeURL = LABKEY.ActionURL.buildURL("project", formUrl , containerPath, params);
        print("Redirecting to "+homeURL);
		 
	window.location = homeURL;

	

}


function checkBlob(){
	print("checkBlob: "+config.blob);
	if (config.blob) {
		clearInterval(config.blobInterval);
		config.a.href = config.window.URL.createObjectURL(config.blob);
		print("HREF: "+config.a.href);
		config.a.download = 'test.pdf';
		config.a.click();
		config.window.URL.revokeObjectURL(config.a.href);
	}
	config.count=config.count+1;
	print("Eval: "+config.count);
	if (config.count>100){
		clearInterval(config.blobInterval);
	}

}

function printForm(){

	config.doc=new PDFDocument();
	//config.doc.end();
	let stream = config.doc.pipe(blobStream()).on("finish",function(){
			config.blob=stream.toBlob("application/pdf");});
	
	print("BLob: "+config.blob);
	config.a = config.document.createElement("a");
	config.document.body.appendChild(config.a);
	config.a.innerHTML="Download PDF";
	config.a.style = "display: none";
	config.count=0;
	//run until blob is set
	config.blobInterval=setInterval(checkBlob,1000);

	//pick data from crfForm list
        print("Printing form");
	printHeader();
	setData(formatPrintData);
}

function printHeader(){
	config.doc.fontSize(25).text(config.formConfig.form['formName']);
	config.doc.moveDown();
	let crfEntry=config.formConfig.crfEntry;
	let site=config.formConfig.site;
	let val=new Object();
	let user=config.formConfig.user;
	val['A']={o:crfEntry,f:'EudraCTNumber',t:'Eudra CT Number'};
	val['B']={o:crfEntry,f:'StudyCoordinator',t:'Study Coordinator'};
	val['C']={o:crfEntry,f:'StudySponsor',t:'Study Sponsor'};
	val['D']={o:site,f:'siteName',t:'Site'};
	val['E']={o:site,f:'sitePhone',t:'Phone'};
	val['F']={o:user,f:'DisplayName',t:'Investigator'};

	for (let f in val){
		print('Printing for '+f);
		let e=val[f];
		let entry=new Object();
		entry[f]=e.o[e.f];
		printPDF(entry,
			{name:f,caption:e.t,type:'string'},null);
	}
	config.doc.moveDown();
}

function formatPrintData(){
	qS=config.formConfig.dataQueries;
	for (let q in qS){
		print('Setting up '+q);
		let qData=qS[q];
		print('Number of rows: '+qData.rows.length);
		if (qData.rows.length>0){
			config.doc.fontSize(20).text(qData.title);
		}
		for (let i=0;i<qData.rows.length;i++){
			let entry=qData.rows[i];
		       	for (let f in qData.fields){
				let field=qData.fields[f];
				let lookup=null;
				if (field.lookup){
					lookup=config.formConfig.lookup[field.lookup.queryName];
				}
				if (field.hidden) continue;
				printPDF(entry,field,lookup);
			}
		}
		config.doc.moveDown();
	}
	print("All done");
	config.doc.end();
}

function printPDF(entry,field,lookup){
	//object field should have a name, type, caption
	//entry should have field.name
	//lookup is null or has a lookup table LUT 
	//for value v of entry[field.name]
	//
	//the total width of a A4 page is 598 px, 
	//left margin is 72. With a right margin of 50,
	//the total available with is 476 px.
	
	let w=476;
	let spacing=25;
	let w1=(w-spacing)*0.5;
	let fontSize=14;	
	
	print('printPDF: entry['+field.name+']='+entry[field.name]);
	let v=entry[field.name];
	if (lookup!=null){
		v=lookup.LUT[v];
	}
	print('printPDF: field type:'+field.type);
	if (field.type=="date"){
		let d=new Date(v);
		v=d.getDate()+'/'+(d.getMonth()+1)+'/'+d.getFullYear();
	}	
	if (v===null) v=' / ';
	if (v===undefined) v=' / ';

	//measure text
	let label=field.caption;
	let opt={width:w1};
	config.doc.fontSize(fontSize);
	
	//for more eloquent display the height of the text
	//can be measured prior to output
	//use currentLineHeight to scale height
	//let lineH=config.doc.currentLineHeight(1);
	//let h=config.doc.heightOfString(label,opt)/lineH;


	//print label
	config.doc.font('Courier').text(label,opt);
	
	//align last row of description w/ first row of value
	config.doc.moveUp();

	//store x value for later use
	let tx=config.doc.x;
	let ty=config.doc.y;

	//shift for value output
	config.doc.x+=w1+spacing;
	
	config.doc.font('Courier-Bold').text(v,opt);

	//restore x value
	config.doc.x=tx;
	
}

function generateMasterForm(){


	generateDebugSection();
	setFormConfig();
}

function populateBasicData(){

	config.document.getElementById('version').innerText=config.formConfig.softwareVersion;	
	config.document.getElementById('eudraCTNumber').innerText=
		config.formConfig.crfEntry.EudraCTNumber;
	config.document.getElementById('studyCoordinator').innerText=
		config.formConfig.crfEntry.StudyCoordinator;
	config.document.getElementById('studySponsor').innerText=
		config.formConfig.crfEntry.StudySponsor;
	config.document.getElementById('siteName').innerText=
		config.formConfig.site['siteName'];
	config.document.getElementById('sitePhone').innerText=
		config.formConfig.site['sitePhone'];
	config.document.getElementById('investigatorName').innerText=
		config.formConfig.user['DisplayName'];
}

function afterConfig(){

	let debug=true;

	if (debug)
		print("afterConfig");	
	
	//schedule basic data for later
	populateBasicData();

	let rows=config.formConfig.formStatusData.rows;

	for (let i=0; i<rows.length; i++){
		let key=rows[i].Key;
		if (config.formConfig.crfEntry["FormStatus"]!=key)
			continue;
		config.formConfig.formStatus=rows[i].formStatus;
		break;
	}
	let formStatus=config.formConfig.formStatus;

	print("Generating buttons for formStatus \""+ formStatus+"\"");
	
	let done="FALSE";
	if (formStatus=="Submitted"){
		generateButton("submitDiv","Complete submission",
			"Upload to database",onDatabaseUpload);
		generateButton("submitDiv","Review submission",
			"Ask for further review",onUpdateForReview);
		generateButton("submitDiv","Remove submission",
			"Remove CRF form",onRemoveCRF);
		done="TRUE";
	}
	if (formStatus=="Approved"){
		generateButton("submitDiv","Review submission",
			"Restore form for further review",onUpdateForReview);
		generateButton("submitDiv","Print form",
				"Generate PDF",printForm);
		done="TRUE";
	}
	if (done=="FALSE"){
		//all other states, particularly Review and In progress
		generateButton("submitDiv","Complete submission",
			"Submit",onSubmit);
		generateButton("submitDiv","Remove submission",
			"Remove CRF form",onRemoveCRF);
	
	}

	generateButton("submitDiv","Done","Exit",redirect);
	print('Here');


	//here we should get data. For now, just initialize objects that will hold data
	//config.formConfig.dataFields=new Object();
	//config.formConfig.entries=new Object();
	setDataLayout(afterDataLayout);//callback is afterDataLayout
}
	
function afterDataLayout(){

	setData(afterData);//callback is afterData
}

function afterData(){

	let rowsSetup=config.formConfig.formSetup.rows;
	for (let i=0;i<rowsSetup.length;i++){
		let entry=rowsSetup[i];
		print("entry[showFlag]: "+entry["showFlag"]);
		let queryName=config.formConfig.queryMap[entry['queryName']];
			
		let additionalData=new Object();
		setAdditionalData(additionalData,entry);
		//section fits one dataset/list
		generateSection(queryName,entry["title"],queryName, additionalData);
	}

}

function populateSection(queryName){
	let rowsSetup=config.formConfig.formSetup.rows;
	let entry=null;
	for (let i=0;i<rowsSetup.length;i++){
		let e=rowsSetup[i];
		let queryName1=config.formConfig.queryMap[e['queryName']];
		if (queryName1!=queryName) continue;
		entry=e;
		break;
	}
	//ignore names without associated entry in formSetup
	if (entry===null) return;
	let additionalData=new Object();
	setAdditionalData(additionalData,entry);
	if ("isReview" in additionalData){
		generateReviewSection(queryName,queryName,generateReviewSectionCB);
		return;	
	}
	let setup=getSetup(queryName);
	setup.unique=true;
	populateTable(queryName,additionalData,setup);
	


}		

//entry point from generateMasterForm
function setContainer(label,container){
	if (!(config.formConfig.hasOwnProperty('container'))){
		config.formConfig.container=new Array();
	}
	config.formConfig.container[label]=container;
}

function getContainer(label){
	return config.formConfig.container[label];
}

function setFormConfig(){

	

	//add object to store form related data
	config.formConfig=new Object();

	config.formConfig.softwareVersion='0.12.9';
	let debug=true;

	if (debug)
		print("generateMasterForm1");	
	
	//set containers for data and configuration

	//TODO: set this from a query
	//
	
	setContainer('data',LABKEY.ActionURL.getContainer());
	setContainer('config',LABKEY.ActionURL.getContainer());
	setContainer('CRF',LABKEY.ActionURL.getContainer());

	let selectRows=new Object();
	//this is local data
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName='lists';
	selectRows.queryName='crfSettings';
	//store form related data to this object
	selectRows.success=afterSettings;
	LABKEY.Query.selectRows(selectRows);

}


function afterSettings(data){

	config.formConfig.settings=new Array();
	for (let i=0;i<data.rows.length;i++){
		let n=data.rows[i]['name'];
		let v=data.rows[i]['value'];
		config.formConfig.settings[n]=v;
	}

	let st=config.formConfig.settings;
	print('afterSettings');
	for (let k in st){
		print('\t'+k+'='+st[k]);
	}

	let selectRows=new Object();
	//this is local data
	selectRows.containerPath=getContainer('data');
	selectRows.schemaName='lists';
	selectRows.queryName='crfEntry';
	//use first-> we must first establish link to the rigth crf entry
	selectRows.filterArray=[LABKEY.Filter.create('entryId',getCRFrefFirst())];
	//store form related data to this object
	selectRows.success=afterCRFEntry;
	LABKEY.Query.selectRows(selectRows);

}

function afterCRFEntry(data){
	config.formConfig.crfEntry=data.rows[0];
	print("Setting crfEntry (x) to "+config.formConfig.crfEntry["entryId"]);

	let selectRows=new Object();
	//this should point to configuration container
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName='lists';
	selectRows.queryName='site';
	let selectedSite=config.formConfig.crfEntry.Site;
	selectRows.filterArray=	[
		LABKEY.Filter.create('siteNumber',selectedSite)];
	selectRows.success=afterSite;
	LABKEY.Query.selectRows(selectRows);

}

function afterSite(data){
	print("afterSite");
	config.formConfig.site=data.rows[0];
	print("Setting site name to "+
			config.formConfig.site["siteName"]
			+" phone: "+config.formConfig.site["sitePhone"]);

	let selectRows=new Object();
	//this looks at local container
	selectRows.containerPath=getContainer('CRF');
	selectRows.schemaName='core';
	selectRows.queryName='Users';
	selectRows.filterArray=[
		LABKEY.Filter.create('siteNumber',
				config.formConfig.crfEntry.UserId)];
	selectRows.success=afterUser;
	LABKEY.Query.selectRows(selectRows);
}

function afterUser(data){
	config.formConfig.user=data.rows[0];
	print("Setting user to "+config.formConfig.user["DisplayName"]);

	let selectRows=new Object();
	//This is part of data, don't rely on configuration container
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName='study';
	selectRows.queryName='Study';
	selectRows.columns="SubjectColumnName";
	selectRows.success=afterStudy;
	LABKEY.Query.selectRows(selectRows);

}

function afterStudy(data){
	config.formConfig.studyData=data.rows[0];
	print("XSetting participantField to "+
			config.formConfig.studyData["SubjectColumnName"]);

	let selectRows=new Object();
	//should point to configuration container
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName='lists';
	selectRows.queryName='FormStatus';
	selectRows.filterArray=[];
	
	selectRows.success=afterFormStatus;
	LABKEY.Query.selectRows(selectRows);	

}

function afterFormStatus(data){
	print("afterFormStatus: ");
	config.formConfig.formStatusData=data;
	
	let qconfig=new Object();

	qconfig.schemaName="lists";
	qconfig.queryName="Forms";
	//this should point to configuration container
	qconfig.containerPath=getContainer('config');
	qconfig.filterArray=[LABKEY.Filter.create('Key',config.formId)];
	
	//qconfig.filterArray=[LABKEY.Filter.create('formStatus',1)]
	qconfig.success=afterForms1;
	LABKEY.Query.selectRows(qconfig);

}

function afterForms1(data){	
	print("afterForms1: ");
	config.formConfig.form=data.rows[0];

	let selectRows=new Object();
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName='lists';
	selectRows.queryName='FormSetup';
	selectRows.filterArray=[LABKEY.Filter.create('formName',config.formId)];
	selectRows.success=afterFormSetup;
	LABKEY.Query.selectRows(selectRows);

}


function afterFormSetup(data){
	config.formConfig.formSetup=data;
	print("Number of datasets for form ["+config.formId+"]: "+
			config.formConfig.formSetup.rows.length);

	let fields=config.formConfig.formSetup.metaData.fields;

	//get the lookup for queryName column
	let formQueryName='queryName';
	let field="NONE";
	for (f in fields){
		if (fields[f]['name']!=formQueryName) continue;
		field=fields[f];
		break;
	}
	let lookup=field.lookup;

	print("Getting dataset names from "+lookup.queryName);
	let selectRows=new Object();
	//inputLists should be in configuration container
	selectRows.containerPath=getContainer('config');
	selectRows.schemaName=lookup.schemaName;
	selectRows.queryName=lookup.queryName;
	selectRows.success=afterFormDatasets;
	LABKEY.Query.selectRows(selectRows);

}

function afterFormDatasets(data){
	print('afterFormDatasets: '+data.rows.length);
	config.formConfig.formDatasets=data;//inputLists
	config.formConfig.fields=new Object();
	config.formConfig.queryMap=new Object();

	let rows=config.formConfig.formSetup.rows;

	//should skip report only rows
	for (let i=0;i<rows.length;i++){
		let entry=rows[i];
		let reviewField=(entry['showFlag']=='REVIEW');
		let queryId=entry['queryName'];
		let lookupRows=config.formConfig.formDatasets.rows;
		print('QueryID['+i+']='+queryId);
		let dentry;

		for (let j=0;j<lookupRows.length;j++){
	
			if (queryId!=lookupRows[j]['Key']) continue;
			dentry=lookupRows[j];
			break;
		}
		let qName=dentry['queryName'];

		//update list of dataset formConfig is observing (fields/queryMap)
		while (1){
			//review contains no data
			if (reviewField) break;
			//already in fields
			if (qName in config.formConfig.fields) break;
			config.formConfig.fields[qName]=new Object();
			break;
		}

		while(1){
			//already done
			if (queryId in config.formConfig.queryMap) break;
			config.formConfig.queryMap[queryId]=qName;
			break;
		}
		if (reviewField) continue;
		//only do this for real lists
		let field=config.formConfig.fields[qName];
		field.title=entry['title'];
		field.queryId=queryId;

	}
	print("List of datasets in form : ");
	for (f in config.formConfig.fields){
		let field=config.formConfig.fields[f];
		print("\t"+f+" ID: "+field.queryId+' title '+field.title);
	}
	afterConfig();

}

//>>>>>>>>>>>>>>>>>new>>>>>>>>>>>>

function setDataLayout(cb){
	let rowsSetup=config.formConfig.formSetup.rows;
	config.formConfig.dataQueries=new Object();
	let dS=config.formConfig.dataQueries;//reference only
	let qMap=config.formConfig.queryMap;
	config.formConfig.lookup=new Object();
	for (let i=0;i<rowsSetup.length;i++){
		let entry=rowsSetup[i];
		//skip review rows
		if (entry['showFlag']=='REVIEW')
			continue;
		let queryId=entry['queryName'];
		let queryName=qMap[entry['queryName']];
		dS[queryName]=new Object();
		dS[queryName].title=entry['title'];
		if (entry['showQuery']!="NONE"){
			let sqName=entry['showQuery'];
			dS[sqName]=new Object();
			dS[sqName].title=findTitle(sqName);
			
		}
	}
	//always add reviews
	//

	config.formConfig.dataQueries['reviewComments']=new Object();

	//perhaps we will need queryId, but this is stuff for later
	for (q in config.formConfig.dataQueries){
		//callback will be a watchdog and will complete only 
		//when all data will be gathered
		let dq=config.formConfig.dataQueries[q];
		dq.collectingLayout="INITIALIZED";

		let selectRows=new Object();
		selectRows.queryName=q;
		selectRows.schemaName='lists';
		selectRows.containerPath=getContainer('data');
		//we are only interested in metadata
		selectRows.success=function(data){afterDatasets(data,cb);}
		LABKEY.Query.selectRows(selectRows);
	}
}

function findTitle(queryName){
//find by name from formDatasets 
//and set associated title as title
	let rows=config.formConfig.formDatasets.rows;
	for (let i=0;i<rows.length;i++){
		let entry=rows[i];
		if (entry['queryName']!=queryName) continue;
		return entry['title'];
	}
	return "NONE";
}

//this happens after the for loop, so all dataQueries objects are set
function afterDatasets(data,cb){
	let qobject=config.formConfig.dataQueries[data.queryName];
	print("Inspecting layout for "+data.queryName+" "+qobject);
	qobject.fields=data.metaData.fields;
	qobject.collectingLayout="STARTED";
	//qobject.started="TRUE";
	qobject.lookup=new Object();//keep track of objects

	let i=0;	
	for (let f in qobject.fields){
		//anything else is simple but lookup
		let field=qobject.fields[f];
		if (!("lookup" in field)) continue;
		qobject.lookup[f]="PENDING";
		print("Adding pending lookup for field "+f);
		if (field.lookup.queryName in config.formConfig.lookup){
		       qobject.lookup[f]="DONE";
	       	       continue;
		}
		print("Setting up query for field "+f);
		config.formConfig.lookup[field.lookup.queryName]=new Object();
		let lObject=config.formConfig.lookup[field.lookup.queryName];
		lObject.keyColumn=field.lookup.keyColumn;
		lObject.displayColumn=field.lookup.displayColumn;
		let selectRows=new Object();
		selectRows.schemaName=field.lookup.schemaName;
		selectRows.queryName=field.lookup.queryName;
		selectRows.containerPath=getContainer('data');
		selectRows.columns=field.lookup.keyColumn+","+
			field.lookup.displayColumn;
		//wait for all lookups to return
		selectRows.success=function(data){addLookup(data,qobject,f,cb);};
		print("Sending query: ["+
				field.lookup.queryName+"] "+
				field.lookup.keyColumn+'/'+
				field.lookup.displayColumn);
		LABKEY.Query.selectRows(selectRows);
		i+=1;
	}
	if (i==0){
		print("No lookups for "+data.queryName);
		qobject.collectingLayout="FINISHED";
	}
	//check if done (both here and in lookup
	//this only passes if no lookups are anywhere in the dataset assembly
	if (!dataLayoutSet()) return;
	cb();
}

function addLookup(data,qobject,f,cb){
	print("Adding lookup "+data.queryName+' '+qobject+' '+f);
	let lObject=config.formConfig.lookup[data.queryName];
	lObject.LUT=new Array();//key to value
	lObject.ValToKey=new Array();//value to key
	let key=lObject.keyColumn;
	let val=lObject.displayColumn;

	for (let i=0;i<data.rows.length;i++){
		lObject.LUT[data.rows[i][key]]=data.rows[i][val];
		lObject.ValToKey[data.rows[i][val]]=data.rows[i][key];
	}
	qobject.lookup[f]="DONE";
	if (!dataLayoutSet()) return;
	cb();
}

function dataLayoutSet(){
	print("Checking layout completeness");
	let dq=config.formConfig.dataQueries;
	for (f in dq){
		print("["+f+"]: "+dq[f].collectingLayout);
		if (dq[f].collectingLayout=="INITIALIZED")
			return 0;
		if (dq[f].collectingLayout=="FINISHED")
			continue; //OK
		let qobject=dq[f];
		for (q in qobject.lookup){
			if (qobject.lookup[q]=="DONE") {
				print("["+f+"/"+q+"]: DONE");
				continue;//OK
			}
			print("["+f+"/"+q+"]: "+qobject.lookup[q]);
			return 0;
		}
		dq[f].collectingLayout="FINISHED";
	}
	print("Success");
	return 1;	
}

function setData(cb){
	//collect data and execute callback cb for queries in cb.queryList
	for (q in config.formConfig.dataQueries){
		let fQuery=config.formConfig.dataQueries[q];
		fQuery.collectingData="STARTED";
		let selectRows=new Object();
		selectRows.containerPath=getContainer('data');
		selectRows.queryName=q;
		selectRows.schemaName='lists';
		selectRows.filterArray=[
			LABKEY.Filter.create("crfRef",getCRFref())
		];
		selectRows.success=function(data){assembleData(data,cb);};
		LABKEY.Query.selectRows(selectRows);
	}
}

function assembleData(data,cb){
	let fQuery=config.formConfig.dataQueries[data.queryName];
	fQuery.rows=data.rows;
	fQuery.collectingData="FINISHED";
	for (q in config.formConfig.dataQueries){
		let dq=config.formConfig.dataQueries[q];
		//print("assembleData ["+q+"]: "+dq.collectingData);
		if (dq.collectingData=="STARTED") return;
	}
	cb();
}


function uploadFile(inputElement,context){
	//context should have ID and dirName attributes; 
	//path will be dirName/ID/fieldName_ID.suf
	//where suf is identical to localPath content picked from
	//inputElement
	print('uploadFile: '+inputElement.value+'/');
	if (inputElement.type=="text") return;
	print('uploadFile: '+inputElement.files+'/');
	print('uploadFile: '+inputElement.files.length+'/');
	if (inputElement.files.length>0){
		let file=inputElement.files[0];
		print('uploadFile: '+inputElement.value+'/'+file.size);
	}

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

	print('uploadFile url: '+url);
	let uploadConfig=new Object();
	uploadConfig.inputElement=inputElement;
	uploadConfig.context=context;
	uploadConfig.url=url;
	uploadConfig.success=afterBaseDir;
	uploadConfig.failure=tryMakeDir;
	webdavCheck(uploadConfig);
}

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

function afterIDDir(cfg){
	print('afterIDDir');
	if (cfg.inputElement.files.length==0){
	       	print('No files found');	
		return;
	}
	let file=cfg.inputElement.files[0];
	print('Uploading '+file.name);
	let suf=file.name.split('.').pop();
	cfg.url+='/'+cfg.context['ID']+'.'+suf;
	cfg.success=afterUpload;
	cfg.failure=onFailure;
	cfg.data=file;
	webdavPut(cfg);
}

function afterUpload(cfg){
	print('afterUpload');
}

function tryMakeDir(cfg){
	print('tryMakeDir '+cfg.url);
	cfg.failure=onFailure;
	webdavMakeDir(cfg);
}





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

function checkResponse(xrq,cfg){
	//print('checkResponse: readyState '+xrq.readyState);
	//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);
}

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


function onFailure(cfg){
	print('request failed with status='+cfg.status);
}