var crfRoleSelector={};

crfRoleSelector.init=
function(cb=null){
   let that=this;
   let action=function(){that.afterScripts(cb);};
   LABKEY.requiresScript(["crfDORA/crfHTML.js"],action);
}

crfRoleSelector.afterScripts=
function(cb=null){
   if (cb) cb();
}

crfRoleSelector.set=
function(setup){
   this.setup=setup;
}

crfRoleSelector.print=
function(msg){
   console.log(msg);
}


crfRoleSelector.makePortal=
function(cb=null){
   //cb is a callback function that gets executed on select change
   let fName='[crfRoleSelector::makePortal]';
   let userId=LABKEY.Security.currentUser.id;
   let userRoles=['crfEditor','crfMonitor','crfSponsor','crfManager'];
   //let siteRows=this.setup.getRows('siteData');
   //find possible matches between user and sites
   let options=new Object();
   let siteMap=this.setup.getEntryMap('siteData:siteNumber');
   let userMap=this.setup.getEntryMap('users:UserId');
   for (let i=0;i<userRoles.length;i++){
      let listName=userRoles[i]+'s';
      let listRows=this.setup.getRows(listName);
      for (let j=0;j<listRows.length;j++){
         if (listRows[j]['User']!=userId) continue;
         let siteNumber=listRows[j]['Site'];
         let siteRow=siteMap[siteNumber];
         options[userRoles[i]+':'+siteNumber]=userRoles[i]+' for '+siteRow['siteName'];
      }
   }
   for (let opt in options){
      this.print(fName+' ['+opt+'] '+options[opt]);
   }
   let table=crfHTML.createTable('formDiv');
   let row=table.insertRow();
   let cell=row.insertCell();
   this.roleLabel=crfHTML.createTextNode('Please select role and site',null,cell);
   row=table.insertRow();
   cell=row.insertCell();
   this.roleSelect=crfHTML.createSelect(options,null,cell);
   let that=this;
   this.roleSelect.onchange=function(){that.onChange(cb);}
}

crfRoleSelector.onChange=
function(cb=null){
   crfHTML.setTextNode(this.roleLabel,this.roleSelect.value);
   if (cb) cb();
}

crfRoleSelector.getRoleAndSite=
function(){
   if (this.roleSelect.selectedIndex==0)
      return null;
   return this.roleSelect.value;
}

crfRoleSelector.setRoleAndSite=
function(roleAndSite,cb=null){
   if (!roleAndSite) return;
   this.roleSelect.value=roleAndSite;
   if (cb) cb();
}