const folderId = "set top folder ID of the destination folders";

const form = FormApp.getActiveForm();

const formResponses = form.getResponses();

const leng = form.getResponses().length;

const itemResponses = formResponses[leng-1].getItemResponses();

const timeStamps = Utilities.formatDate(new Date(), Session.getScriptTimeZone(), 'yyyy-MM-dd HH:mm:ss')

function onFormSubmit(e) {

Utilities.sleep(3000); // why is this here? no one know, it's a mystery

renameFile();

createFolder();

// Move files to the folder.

itemResponses[4].getResponse().forEach(id => DriveApp.getFileById(id).moveTo(folder));

}

function renameFile()

{

var fileid = itemResponses[4].getResponse();

var theFile = DriveApp.getFileById(fileid);

realName = theFile.getName();

var newName = itemResponses[0].getResponse() +'_'+ timeStamps +'_'+ realName;

theFile.setName(newName);

}

function createFolder()

{

const destFolder = DriveApp.getFolderById(folderId);

let folderName = itemResponses[0].getResponse();

const subFolder = destFolder.searchFolders("title contains \"" + folderName + "\"");

const reg = new RegExp(`^${folderName}$|^${folderName}_\\d{2}$`);

if (subFolder.hasNext()) {

const folderNames = {};

while (subFolder.hasNext()) {

const fol = subFolder.next();

const fName = fol.getName();

if (reg.test(fName)) folderNames[fName] = fol;

}

const len = Object.keys(folderNames).length;

if (len == 1 && folderNames[folderName]) {

folderNames[folderName].setName(folderName + "_01");

}

folderName += "_" + ("00" + (len + 1)).slice(-2);

}

const folder = destFolder.createFolder(folderName);

}

function toCamelCase(str) {

return str

.replace(/\s(.)/g, function($1) { return $1.toUpperCase(); })

.replace(/\s/g, '')

.replace(/^(.)/, function($1) { return $1.toLowerCase(); });

}

function titleCase(str) {

str = str.toLowerCase().split(' ');

for (var i = 0; i < str.length; i++) {

str[i] = str[i].charAt(0).toUpperCase() + str[i].slice(1);

}

return str.join(' ');

}