;
(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));
