const template = {
    "Classes": {
        "_string": "Unit Organic ConquestCritical Human CitizenSoldier"
    },
    "VisibleClasses": {
        "_string": "Citizen Worker Soldier Infantry Ranged Archer"
    },
    "Rank": "Basic"
};

const iterations = 200;

function GetIdentityClasses1(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
        classList = classList.concat(template.Classes._string.split(/\s+/));

    if (template.VisibleClasses && template.VisibleClasses._string)
        classList = classList.concat(template.VisibleClasses._string.split(/\s+/));

    if (template.Rank)
        classList = classList.concat(template.Rank);

    return classList;
};

function GetIdentityClasses2(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
        classList = classList.concat(template.Classes._string.split(/\s+/));

    if (template.VisibleClasses && template.VisibleClasses._string)
        classList = classList.concat(template.VisibleClasses._string.split(/\s+/));

    if (template.Rank)
        classList = classList.push(template.Rank);

    return classList;
};

function GetIdentityClasses3(template)
{
	let classString = "";

	if (template.Classes && template.Classes._string)
		classString += template.Classes._string;

	if (template.VisibleClasses && template.VisibleClasses._string)
		classString += " " + template.VisibleClasses._string;

	if (template.Rank)
		classString += " " + template.Rank;

	return classString.length ? classString.split(/\s+/) : [];
};

function GetIdentityClasses4(template) {
    let classString = "";

    if (template.Classes && template.Classes._string)
        classString += template.Classes._string;

    if (template.VisibleClasses && template.VisibleClasses._string)
		classString += " " + template.VisibleClasses._string;

    if (template.Rank)
        classString += " " + template.Rank;

	return classString.length ? classString.split(" ") : [];
};

function GetIdentityClasses5(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
        for (var entClass of template.Classes._string.split(/\s+/))
			classList.push(entClass);

    if (template.VisibleClasses && template.VisibleClasses._string)
        for (var entClass of template.VisibleClasses._string.split(/\s+/))
			classList.push(entClass);

    if (template.Rank)
        classList = classList.push(template.Rank);

    return classList;
};

function GetIdentityClasses6(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
		Array.prototype.push.apply(classList, template.Classes._string.split(/\s+/));
	
    if (template.VisibleClasses && template.VisibleClasses._string)
		Array.prototype.push.apply(classList, template.VisibleClasses._string.split(/\s+/));

    if (template.Rank)
        classList = classList.push(template.Rank);

    return classList;
};

function GetIdentityClasses7(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
	{
		let classes = template.Classes._string.split(/\s+/);
		for (let i = 0; i < classes.length; ++i)
			classList.push(classes[i]);
	}
	
    if (template.VisibleClasses && template.VisibleClasses._string)
	{
		let classes = template.VisibleClasses._string.split(/\s+/);
		for (let i = 0; i < classes.length; ++i)
			classList.push(classes[i]);
	}

    if (template.Rank)
        classList = classList.push(template.Rank);

    return classList;
};

function GetIdentityClasses8(template) {
    var classList = [];
    if (template.Classes && template.Classes._string)
	{
		let classes = template.Classes._string.split(/\s+/);
		let i = 0;
		while (i < classes.length)
		{
			classList.push(classes[i]);
			++i;
		}
			
	}
	
    if (template.VisibleClasses && template.VisibleClasses._string)
	{
		let classes = template.VisibleClasses._string.split(/\s+/);
		let i = 0;
		while (i < classes.length)
		{
			classList.push(classes[i]);
			++i;
		}
	}

    if (template.Rank)
        classList = classList.push(template.Rank);

    return classList;
};




function Profile(func, template)
{
	let start = process.hrtime()[0] + (process.hrtime()[1] * 0.000000001);
	for(let a = 0; a < iterations; ++a)
		func(template);

	let duration = process.hrtime()[0] + (process.hrtime()[1] * 0.000000001) - start;
	console.log((duration / iterations * 1000) + " ms.");
};
console.log("Original");
Profile(GetIdentityClasses1, template);
console.log("Push for rank");
Profile(GetIdentityClasses2, template);
console.log("String");
Profile(GetIdentityClasses3, template);
console.log("String no regex");
Profile(GetIdentityClasses4, template);
console.log("Only push + For Loops");
Profile(GetIdentityClasses5, template);
console.log("Array.prototype.push.apply");
Profile(GetIdentityClasses6, template);
console.log("Poor man's for");
Profile(GetIdentityClasses7, template);
console.log("Poor man's while");
Profile(GetIdentityClasses8, template);