var memwatch = require('memwatch');

function abstractions() {

	function Person() {
		this.private = {};
	}

	Object.defineProperty(Person.prototype, 'name', {
		get:function() { return this.private.name; },
		set:function(e) { this.private.name = e; }
	});

	Object.defineProperty(Person.prototype, 'age', {
		get:function() { return this.private.age; },
		set:function(e) { this.private.age = e; }
	});

	Object.defineProperty(Person.prototype, 'gender', {
		get:function() { return this.private.gender; },
		set:function(e) { this.private.gender = e; }
	});

	Person.prototype.friend = function(p) {
		if(!this.private.friends)
			this.private.friends = [];
		this.private.friends.push(p);
	}

	var hd = new memwatch.HeapDiff();
	var time = process.hrtime();
	var mem = [];
	for(var i=0; i < 10000; i++) {
		var person = new Person();
		person.name = "My Name" + i;
		person.age = i;
		person.gender = i%2 == 1 ? "male" : "female";
		for(var j=i-1; j > -1; j--)
			person.friend(mem[j]);
		mem.push(person);
	}
	var timediff = process.hrtime(time);
	var memdiff = hd.end();

	console.log('abstraction time was: %d nanoseconds', timediff[0] * 1e9 + timediff[1]);
	console.log('abstraction memory was: '+memdiff.change.size);
}

function userobject() {
	var hd = new memwatch.HeapDiff();
	var time = process.hrtime();
	var mem = [];
	for(var i=0; i < 10000; i++) {
		var person = {};
		person.name = "My Name" + i;
		person.age = i;
		person.gender = i%2 == 1 ? "male" : "female";
		person.friends = [];
		person.friend = function(friend) {
			this.friends.push(friend);
		}
		for(var j=i-1; j > -1; j--);
			person.friend(mem[j]);
		mem.push(person);
	}
	var timediff = process.hrtime(time);
	var memdiff = hd.end();

	console.log('user object time was: %d nanoseconds', timediff[0] * 1e9 + timediff[1]);
	console.log('user object memory was: '+memdiff.change.size);
}

if(process.argv[2] == "userobject")
	userobject();
else if(process.argv[2] == "abstractions")
	abstractions();