var EXPO = EXPO || {}; //isolated namespace
EXPO.exposition = EXPO.exposition || {};
if (EXPO.exposition.object){
	console.warn('WARNING: EXPO.exposition.object is already defined!');
}else {

	EXPO.exposition.object = (function () {
// variables
		var that = {},
			VisitButtons = function ( opt) {
				this.opt = opt;
				this.isActive = false;
				this.$visitorsList = $(document.getElementById(opt.visitorsListId));
				this.$secondary = $(document.getElementById(opt.wrapId));
				this._controller();

			},
			UnVisitButtons = function (opt) {
				this.opt = opt;
				this.$visitorsList = $(document.getElementById(opt.visitorsListId));
				this.$secondary = $(document.getElementById(opt.wrapId));
				this._controller();
			};
		VisitButtons.prototype = {
			_controller: function () {
				var self = this;
				$('.'+this.opt.class).on('click',function(){
					self._setName();
					$('.'+self.opt.class).hide().siblings('.button').show();


				});
			},
			_setName: function () {
				$('<li/>').html(this.opt.template).prependTo(this.$visitorsList);
				this.$secondary.hide();
				isActive = true;
			}
		};
		UnVisitButtons.prototype = {
			_controller: function () {
				var self = this;
				$('.'+this.opt.class).on('click',function(){
					self._unSetName();
					$('.'+self.opt.class).hide().siblings('.button').show();


				});
			},
			_unSetName: function () {
				var self = this;
				this.$visitorsList.children().each(function () {
					if($(this).html() == self.opt.template){
						$(this).detach();

					}
				});
				if(!this.$visitorsList.children().length){
					this.$secondary.show();
				}else{
					this.$secondary.hide();

				}
				isActive = true;
			}
		};
		that.opt = {}; //свойства по умолчанию
//private
		$(function () {
			//$('.visit').on('click', function () {
			//	console.log('!!!! visit button is clicked!');
			//});
		});

// methods
		//инициализация общих свойств
		that.init = function (options) {
			$.extend(this.opt, options);
			var self = this,
				$visitorsWrap = $(document.getElementById(self.opt.visitButton.visitorsListId)),
				$secondaryList = $(document.getElementById(self.opt.visitButton.wrapId));

			if(!$visitorsWrap.children().length){
				$secondaryList.show();
			}
			this.visitButtons = new VisitButtons(self.opt.visitButton);
			this.unVisitButtons = new UnVisitButtons(self.opt.unvisitButton);

		};
		return that;
	}());
}