define([
	'js/system/events'
], function (
	events
) {
	return {
		type: 'passives',

		selected: [],
		points: 0,

		init: function () {
			events.emit('onGetPassives', this.selected);
			events.emit('onGetPassivePoints', this.points);
		},

		extend: function (blueprint) {
			let rerender = false;

			if (blueprint.tickNodes) {
				blueprint.tickNodes.forEach(function (n) {
					this.selected.push(n);
				}, this);

				rerender = true;
			}

			if (blueprint.untickNodes) {
				blueprint.untickNodes.forEach(function (n) {
					this.selected.spliceWhere(function (s) {
						return (s === n);
					});
				}, this);

				rerender = true;
			}

			if (rerender)
				events.emit('onGetPassives', this.selected);

			if (blueprint.points !== null) {
				this.points = blueprint.points;
				events.emit('onGetPassivePoints', this.points);
			}
		}
	};
});