// javascript document
(function($, window, document) {
    
    var pluginname = 'fatnav',
    defaults = {};
    
    function plugin(options) {
        this.settings = $.extend({}, defaults, options);
        this._defaults = defaults;
        this._name = pluginname;
        this.init();
    }
    
    $.extend(plugin.prototype, {
        
        init: function() {

            var self = this;
            var $nav = this.$nav = $('.fat-nav');
            var $hamburger = this.$hamburger = $('<a href="javascript:void(0)" class="hamburger"><div class="hamburger__icon"></div></a>');
            
            this._bodyoverflow = $('body').css('overflow');

            // hack to prevent mobile safari scrolling the whole body when nav is open
            if (navigator.useragent.match(/(ipad|iphone|ipod)/g)) {
                
                // $nav.children().css({
                //     'height': '110%',
                //     'transform': 'translatey(-5%)'
                // });
                
            }
            
            $('.top_buttom').append($hamburger);
            
            $().add($hamburger).add($nav.find('a')).on('click', function(e) {
                self.togglenav();
            });
            
        },
        
        togglenav: function() {
            
            var self = this;

            this.$nav.fadetoggle(400);
			
			self.togglebodyoverflow();

            $().add(this.$hamburger).add(this.$nav).toggleclass('active');
        },
        
        togglebodyoverflow: function() {
            
            var self = this;
			
			var $body = $('body');
            
            $body.toggleclass('no-scroll');
			
			var isnavopen = $body.hasclass('no-scroll');

            //$body.css('overflow', isnavopen ? 'hidden' : self._bodyoverflow);
			
        }
        
    });
    
    if (typeof $[pluginname] === 'undefined') {
        
        $[pluginname] = function(options) {
            return new plugin(this, options);
        };
        
    }

}(jquery, window, document));