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

		init: function () {
			this.quests.forEach(q => events.emit('onObtainQuest', q));
		},

		extend: function (blueprint) {
			if (blueprint.updateQuests) {
				blueprint.updateQuests.forEach(function (q) {
					events.emit('onUpdateQuest', q);
					let index = this.quests.findIndex(f => f.id === q.id);
					this.quests.splice(index, 1, q);
				}, this);
			}
			if (blueprint.completeQuests) {
				blueprint.completeQuests.forEach(function (q) {
					events.emit('onCompleteQuest', q);
					this.quests.spliceWhere(function (qq) {
						return (qq.id === q);
					});
				}, this);
			}
			if (blueprint.obtainQuests) {
				blueprint.obtainQuests.forEach(function (q) {
					events.emit('onObtainQuest', q);
					this.quests.push(q);
				}, this);
			}	
		}	
	};
});