; (function ($, window, document, undefined) {

'use strict';

Foundation.libs.topbar = {
    name: 'topbar',

    version: '5.5.0',

    settings: {
        index: 0,
        sticky_class: 'sticky',
        custom_back_text: true,
        back_text: 'Back',
        mobile_show_parent_link: true,
        is_hover: true,
        scrolltop: true, // jump to top when sticky nav menu toggle is clicked
        sticky_on: 'all'
    },

    init: function (section, method, options) {
        Foundation.inherit(this, 'add_custom_rule register_media throttle');
        var self = this;

        self.register_media('topbar', 'foundation-mq-topbar');

        this.bindings(method, options);

        self.S('[' + this.attr_name() + ']', this.scope).each(function () {
            var topbar = $(this),
                settings = topbar.data(self.attr_name(true) + '-init'),
                section = self.S('section, .top-bar-section', this);
            topbar.data('index', 0);
            var topbarContainer = topbar.parent();
            if (topbarContainer.hasClass('fixed') || self.is_sticky(topbar, topbarContainer, settings)) {
                self.settings.sticky_class = settings.sticky_class;
                self.settings.sticky_topbar = topbar;
                topbar.data('height', topbarContainer.outerHeight());
                topbar.data('stickyoffset', topbarContainer.offset().top);
            } else {
                topbar.data('height', topbar.outerHeight());
            }

            if (!settings.assembled) {
                self.assemble(topbar);
            }

            if (settings.is_hover) {
                self.S('.has-dropdown', topbar).addClass('not-click');
            } else {
                self.S('.has-dropdown', topbar).removeClass('not-click');
            }

            // Pad body when sticky (scrolled) or fixed.
            self.add_custom_rule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }');

            if (topbarContainer.hasClass('fixed')) {
                self.S('body').addClass('f-topbar-fixed');
            }
        });

    },

    is_sticky: function (topbar, topbarContainer, settings) {
        var sticky = topbarContainer.hasClass(settings.sticky_class);

        if (sticky && settings.sticky_on === 'all') {
            return true;
        } else if (sticky && this.small() && settings.sticky_on === 'small') {
            return (matchMedia(Foundation.media_queries.small).matches && !matchMedia(Foundation.media_queries.medium).matches && !matchMedia(Foundation.media_queries.large).matches);
            //return true;
        } else if (sticky && this.medium() && settings.sticky_on === 'medium') {
            return (matchMedia(Foundation.media_queries.small).matches && matchMedia(Foundation.media_queries.medium).matches && !matchMedia(Foundation.media_queries.large).matches);
            //return true;
        } else if (sticky && this.large() && settings.sticky_on === 'large') {
            return (matchMedia(Foundation.media_queries.small).matches && matchMedia(Foundation.media_queries.medium).matches &&
            matchMedia(Foundation.media_queries.large).matches);
            //return true;
        }

        return false;
    },

    toggle: function (toggleEl) {
        var self = this,
            topbar;

        if (toggleEl) {
            topbar = self.S(toggleEl).closest('[' + this.attr_name() + ']');
        } else {
            topbar = self.S('[' + this.attr_name() + ']');
        }

        var settings = topbar.data(this.attr_name(true) + '-init');

        var section = self.S('section, .top-bar-section', topbar);

        if (self.breakpoint()) {
            if (!self.rtl) {
                section.css({left: '0%'});
                $('>.name', section).css({left: '100%'});
            } else {
                section.css({right: '0%'});
                $('>.name', section).css({right: '100%'});
            }

            self.S('li.moved', section).removeClass('moved');
            topbar.data('index', 0);

            topbar
                .toggleClass('expanded')
                .css('height', '');
        }

        if (settings.scrolltop) {
            if (!topbar.hasClass('expanded')) {
                if (topbar.hasClass('fixed')) {
                    topbar.parent().addClass('fixed');
                    topbar.removeClass('fixed');
                    self.S('body').addClass('f-topbar-fixed');
                }
            } else if (topbar.parent().hasClass('fixed')) {
                if (settings.scrolltop) {
                    topbar.parent().removeClass('fixed');
                    topbar.addClass('fixed');
                    self.S('body').removeClass('f-topbar-fixed');

                    window.scrollTo(0, 0);
                } else {
                    topbar.parent().removeClass('expanded');
                }
            }
        } else {
            if (self.is_sticky(topbar, topbar.parent(), settings)) {
                topbar.parent().addClass('fixed');
            }

            if (topbar.parent().hasClass('fixed')) {
                if (!topbar.hasClass('expanded')) {
                    topbar.removeClass('fixed');
                    topbar.parent().removeClass('expanded');
                    self.update_sticky_positioning();
                } else {
                    topbar.addClass('fixed');
                    topbar.parent().addClass('expanded');
                    self.S('body').addClass('f-topbar-fixed');
                }
            }
        }
    },

    timer: null,

    events: function (bar) {
        var self = this,
            S = this.S;

        S(this.scope)
            .off('.topbar')
            .on('click.fndtn.topbar', '[' + this.attr_name() + '] .toggle-topbar', function (e) {
                e.preventDefault();
                self.toggle(this);
            })
            .on('click.fndtn.topbar', '.top-bar .top-bar-section li a[href^="#"],[' + this.attr_name() + '] .top-bar-section li a[href^="#"]', function (e) {
                var li = $(this).closest('li');
                if (self.breakpoint() && !li.hasClass('back') && !li.hasClass('has-dropdown')) {
                    self.toggle();
                }
            })
            .on('click.fndtn.topbar', '[' + this.attr_name() + '] li.has-dropdown', function (e) {
                var li = S(this),
                    target = S(e.target),
                    topbar = li.closest('[' + self.attr_name() + ']'),
                    settings = topbar.data(self.attr_name(true) + '-init');

                if (target.data('revealId')) {
                    self.toggle();
                    return;
                }

                if (self.breakpoint()) return;
                if (settings.is_hover && !Modernizr.touch) return;

                e.stopImmediatePropagation();

                if (li.hasClass('hover')) {
                    li
                        .removeClass('hover')
                        .find('li')
                        .removeClass('hover');

                    li.parents('li.hover')
                        .removeClass('hover');
                } else {
                    li.addClass('hover');

                    $(li).siblings().removeClass('hover');

                    if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) {
                        e.preventDefault();
                    }
                }
            })
            .on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown>a', function (e) {
                if (self.breakpoint()) {

                    e.preventDefault();

                    var $this = S(this),
                        topbar = $this.closest('[' + self.attr_name() + ']'),
                        section = topbar.find('section, .top-bar-section'),
                        dropdownHeight = $this.next('.dropdown').outerHeight(),
                        $selectedLi = $this.closest('li');

                    topbar.data('index', topbar.data('index') + 1);
                    $selectedLi.addClass('moved');

                    if (!self.rtl) {
                        section.css({left: -(100 * topbar.data('index')) + '%'});
                        section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
                    } else {
                        section.css({right: -(100 * topbar.data('index')) + '%'});
                        section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
                    }

                    topbar.css('height', $this.siblings('ul').outerHeight(true) + topbar.data('height'));
                }
            });

        S(window).off('.topbar').on('resize.fndtn.topbar', self.throttle(function () {
            self.resize.call(self);
        }, 50)).trigger('resize').trigger('resize.fndtn.topbar').load(function () {
            // Ensure that the offset is calculated after all of the pages resources have loaded
            S(this).trigger('resize.fndtn.topbar');
        });

        S('body').off('.topbar').on('click.fndtn.topbar', function (e) {
            var parent = S(e.target).closest('li').closest('li.hover');

            if (parent.length > 0) {
                return;
            }

            S('[' + self.attr_name() + '] li.hover').removeClass('hover');
        });

        // Go up a level on Click
        S(this.scope).on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown .back', function (e) {
            e.preventDefault();

            var $this = S(this),
                topbar = $this.closest('[' + self.attr_name() + ']'),
                section = topbar.find('section, .top-bar-section'),
                settings = topbar.data(self.attr_name(true) + '-init'),
                $movedLi = $this.closest('li.moved'),
                $previousLevelUl = $movedLi.parent();

            topbar.data('index', topbar.data('index') - 1);

            if (!self.rtl) {
                section.css({left: -(100 * topbar.data('index')) + '%'});
                section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
            } else {
                section.css({right: -(100 * topbar.data('index')) + '%'});
                section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
            }

            if (topbar.data('index') === 0) {
                topbar.css('height', '');
            } else {
                topbar.css('height', $previousLevelUl.outerHeight(true) + topbar.data('height'));
            }

            setTimeout(function () {
                $movedLi.removeClass('moved');
            }, 300);
        });

        // Show dropdown menus when their items are focused
        S(this.scope).find('.dropdown a')
            .focus(function () {
                $(this).parents('.has-dropdown').addClass('hover');
            })
            .blur(function () {
                $(this).parents('.has-dropdown').removeClass('hover');
            });
    },

    resize: function () {
        var self = this;
        self.S('[' + this.attr_name() + ']').each(function () {
            var topbar = self.S(this),
                settings = topbar.data(self.attr_name(true) + '-init');

            var stickyContainer = topbar.parent('.' + self.settings.sticky_class);
            var stickyOffset;

            if (!self.breakpoint()) {
                var doToggle = topbar.hasClass('expanded');
                topbar
                    .css('height', '')
                    .removeClass('expanded')
                    .find('li')
                    .removeClass('hover');

                if (doToggle) {
                    self.toggle(topbar);
                }
            }

            if (self.is_sticky(topbar, stickyContainer, settings)) {
                if (stickyContainer.hasClass('fixed')) {
                    // Remove the fixed to allow for correct calculation of the offset.
                    stickyContainer.removeClass('fixed');

                    stickyOffset = stickyContainer.offset().top;
                    if (self.S(document.body).hasClass('f-topbar-fixed')) {
                        stickyOffset -= topbar.data('height');
                    }

                    topbar.data('stickyoffset', stickyOffset);
                    stickyContainer.addClass('fixed');
                } else {
                    stickyOffset = stickyContainer.offset().top;
                    topbar.data('stickyoffset', stickyOffset);
                }
            }

        });
    },

    breakpoint: function () {
        return !matchMedia(Foundation.media_queries['topbar']).matches;
    },

    small: function () {
        return matchMedia(Foundation.media_queries['small']).matches;
    },

    medium: function () {
        return matchMedia(Foundation.media_queries['medium']).matches;
    },

    large: function () {
        return matchMedia(Foundation.media_queries['large']).matches;
    },

    assemble: function (topbar) {
        var self = this,
            settings = topbar.data(this.attr_name(true) + '-init'),
            section = self.S('section, .top-bar-section', topbar);

        // Pull element out of the DOM for manipulation
        section.detach();

        self.S('.has-dropdown>a', section).each(function () {
            var $link = self.S(this),
                $dropdown = $link.siblings('.dropdown'),
                url = $link.attr('href'),
                $titleLi;

            if (!$dropdown.find('.title.back').length) {

                if (settings.mobile_show_parent_link == true && url) {
                    $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li><li class="parent-link show-for-small-only"><a class="parent-link js-generated" href="' + url + '">' + $link.html() + '</a></li>');
                } else {
                    $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5>');
                }

                // Copy link to subnav
                if (settings.custom_back_text == true) {
                    $('h5>a', $titleLi).html(settings.back_text);
                } else {
                    $('h5>a', $titleLi).html('&laquo; ' + $link.html());
                }
                $dropdown.prepend($titleLi);
            }
        });

        // Put element back in the DOM
        section.appendTo(topbar);

        // check for sticky
        this.sticky();

        this.assembled(topbar);
    },

    assembled: function (topbar) {
        topbar.data(this.attr_name(true), $.extend({}, topbar.data(this.attr_name(true)), {assembled: true}));
    },

    height: function (ul) {
        var total = 0,
            self = this;

        $('> li', ul).each(function () {
            total += self.S(this).outerHeight(true);
        });

        return total;
    },

    sticky: function () {
        var self = this;

        this.S(window).on('scroll', function () {
            self.update_sticky_positioning();
        });
    },

    update_sticky_positioning: function () {
        var klass = '.' + this.settings.sticky_class,
            $window = this.S(window),
            self = this;

        if (self.settings.sticky_topbar && self.is_sticky(this.settings.sticky_topbar, this.settings.sticky_topbar.parent(), this.settings)) {
            var distance = this.settings.sticky_topbar.data('stickyoffset');
            if (!self.S(klass).hasClass('expanded')) {
                if ($window.scrollTop() > (distance)) {
                    if (!self.S(klass).hasClass('fixed')) {
                        self.S(klass).addClass('fixed');
                        self.S('body').addClass('f-topbar-fixed');
                    }
                } else if ($window.scrollTop() <= distance) {
                    if (self.S(klass).hasClass('fixed')) {
                        self.S(klass).removeClass('fixed');
                        self.S('body').removeClass('f-topbar-fixed');
                    }
                }
            }
        }
    },

    off: function () {
        this.S(this.scope).off('.fndtn.topbar');
        this.S(window).off('.fndtn.topbar');
    },

    reflow: function () {
    }
};

}(jQuery, window, window.document));