;
(function ($, window, document, undefined) {
    'use strict';

    var noop = function () {
    };

    var Orbit = function (el, settings) {
        // Don't reinitialize plugin
        if (el.hasClass(settings.slides_container_class)) {
            return this;
        }

        var self = this,
            container,
            slides_container = el,
            number_container,
            bullets_container,
            timer_container,
            idx = 0,
            animate,
            timer,
            locked = false,
            adjust_height_after = false;


        self.slides = function () {
            return slides_container.children(settings.slide_selector);
        };

        self.slides().first().addClass(settings.active_slide_class);

        self.update_slide_number = function (index) {
            if (settings.slide_number) {
                number_container.find('span:first').text(parseInt(index) + 1);
                number_container.find('span:last').text(self.slides().length);
            }
            if (settings.bullets) {
                bullets_container.children().removeClass(settings.bullets_active_class);
                $(bullets_container.children().get(index)).addClass(settings.bullets_active_class);
            }
        };

        self.update_active_link = function (index) {
            var link = $('[data-orbit-link="' + self.slides().eq(index).attr('data-orbit-slide') + '"]');
            link.siblings().removeClass(settings.bullets_active_class);
            link.addClass(settings.bullets_active_class);
        };

        self.build_markup = function () {
            slides_container.wrap('<div class="' + settings.container_class + '"></div>');
            container = slides_container.parent();
            slides_container.addClass(settings.slides_container_class);

            if (settings.stack_on_small) {
                container.addClass(settings.stack_on_small_class);
            }

            if (settings.navigation_arrows) {
                container.append($('<a href="#"><span></span></a>').addClass(settings.prev_class));
                container.append($('<a href="#"><span></span></a>').addClass(settings.next_class));
            }

            if (settings.timer) {
                timer_container = $('<div>').addClass(settings.timer_container_class);
                timer_container.append('<span>');
                timer_container.append($('<div>').addClass(settings.timer_progress_class));
                timer_container.addClass(settings.timer_paused_class);
                container.append(timer_container);
            }

            if (settings.slide_number) {
                number_container = $('<div>').addClass(settings.slide_number_class);
                number_container.append('<span></span> ' + settings.slide_number_text + ' <span></span>');
                container.append(number_container);
            }

            if (settings.bullets) {
                bullets_container = $('<ol>').addClass(settings.bullets_container_class);
                container.append(bullets_container);
                bullets_container.wrap('<div class="orbit-bullets-container"></div>');
                self.slides().each(function (idx, el) {
                    var bullet = $('<li>').attr('data-orbit-slide', idx).on('click', self.link_bullet);
                    ;
                    bullets_container.append(bullet);
                });
            }

        };

        self._goto = function (next_idx, start_timer) {
            // if (locked) {return false;}
            if (next_idx === idx) {
                return false;
            }
            if (typeof timer === 'object') {
                timer.restart();
            }
            var slides = self.slides();

            var dir = 'next';
            locked = true;
            if (next_idx < idx) {
                dir = 'prev';
            }
            if (next_idx >= slides.length) {
                if (!settings.circular) return false;
                next_idx = 0;
            } else if (next_idx < 0) {
                if (!settings.circular) return false;
                next_idx = slides.length - 1;
            }

            var current = $(slides.get(idx));
            var next = $(slides.get(next_idx));

            current.css('zIndex', 2);
            current.removeClass(settings.active_slide_class);
            next.css('zIndex', 4).addClass(settings.active_slide_class);

            slides_container.trigger('before-slide-change.fndtn.orbit');
            settings.before_slide_change();
            self.update_active_link(next_idx);

            var callback = function () {
                var unlock = function () {
                    idx = next_idx;
                    locked = false;
                    if (start_timer === true) {
                        timer = self.create_timer();
                        timer.start();
                    }
                    self.update_slide_number(idx);
                    slides_container.trigger('after-slide-change.fndtn.orbit', [{
                        slide_number: idx,
                        total_slides: slides.length
                    }]);
                    settings.after_slide_change(idx, slides.length);
                };
                if (slides_container.height() != next.height() && settings.variable_height) {
                    slides_container.animate({'height': next.height()}, 250, 'linear', unlock);
                } else {
                    unlock();
                }
            };

            if (slides.length === 1) {
                callback();
                return false;
            }

            var start_animation = function () {
                if (dir === 'next') {
                    animate.next(current, next, callback);
                }
                if (dir === 'prev') {
                    animate.prev(current, next, callback);
                }
            };

            if (next.height() > slides_container.height() && settings.variable_height) {
                slides_container.animate({'height': next.height()}, 250, 'linear', start_animation);
            } else {
                start_animation();
            }
        };

        self.next = function (e) {
            e.stopImmediatePropagation();
            e.preventDefault();
            self._goto(idx + 1);
        };

        self.prev = function (e) {
            e.stopImmediatePropagation();
            e.preventDefault();
            self._goto(idx - 1);
        };

        self.link_custom = function (e) {
            e.preventDefault();
            var link = $(this).attr('data-orbit-link');
            if ((typeof link === 'string') && (link = $.trim(link)) != '') {
                var slide = container.find('[data-orbit-slide=' + link + ']');
                if (slide.index() != -1) {
                    self._goto(slide.index());
                }
            }
        };

        self.link_bullet = function (e) {
            var index = $(this).attr('data-orbit-slide');
            if ((typeof index === 'string') && (index = $.trim(index)) != '') {
                if (isNaN(parseInt(index))) {
                    var slide = container.find('[data-orbit-slide=' + index + ']');
                    if (slide.index() != -1) {
                        self._goto(slide.index() + 1);
                    }
                }
                else {
                    self._goto(parseInt(index));
                }
            }

        }

        self.timer_callback = function () {
            self._goto(idx + 1, true);
        }

        self.compute_dimensions = function () {
            var current = $(self.slides().get(idx));
            var h = current.height();
            if (!settings.variable_height) {
                self.slides().each(function () {
                    if ($(this).height() > h) {
                        h = $(this).height();
                    }
                });
            }
            slides_container.height(h);
        };

        self.create_timer = function () {
            var t = new Timer(
                container.find('.' + settings.timer_container_class),
                settings,
                self.timer_callback
            );
            return t;
        };

        self.stop_timer = function () {
            if (typeof timer === 'object') timer.stop();
        };

        self.toggle_timer = function () {
            var t = container.find('.' + settings.timer_container_class);
            if (t.hasClass(settings.timer_paused_class)) {
                if (typeof timer === 'undefined') {
                    timer = self.create_timer();
                }
                timer.start();
            }
            else {
                if (typeof timer === 'object') {
                    timer.stop();
                }
            }
        };

        self.init = function () {
            self.build_markup();
            if (settings.timer) {
                timer = self.create_timer();
                Foundation.utils.image_loaded(this.slides().children('img'), timer.start);
            }
            animate = new FadeAnimation(settings, slides_container);
            if (settings.animation === 'slide')
                animate = new SlideAnimation(settings, slides_container);

            container.on('click', '.' + settings.next_class, self.next);
            container.on('click', '.' + settings.prev_class, self.prev);

            if (settings.next_on_click) {
                container.on('click', '.' + settings.slides_container_class + ' [data-orbit-slide]', self.link_bullet);
            }

            container.on('click', self.toggle_timer);
            if (settings.swipe) {
                container.on('touchstart.fndtn.orbit', function (e) {
                    if (!e.touches) {
                        e = e.originalEvent;
                    }
                    var data = {
                        start_page_x: e.touches[0].pageX,
                        start_page_y: e.touches[0].pageY,
                        start_time: (new Date()).getTime(),
                        delta_x: 0,
                        is_scrolling: undefined
                    };
                    container.data('swipe-transition', data);
                    e.stopPropagation();
                })
                    .on('touchmove.fndtn.orbit', function (e) {
                        if (!e.touches) {
                            e = e.originalEvent;
                        }
                        // Ignore pinch/zoom events
                        if (e.touches.length > 1 || e.scale && e.scale !== 1) return;

                        var data = container.data('swipe-transition');
                        if (typeof data === 'undefined') {
                            data = {};
                        }

                        data.delta_x = e.touches[0].pageX - data.start_page_x;

                        if (typeof data.is_scrolling === 'undefined') {
                            data.is_scrolling = !!( data.is_scrolling || Math.abs(data.delta_x) < Math.abs(e.touches[0].pageY - data.start_page_y) );
                        }

                        if (!data.is_scrolling && !data.active) {
                            e.preventDefault();
                            var direction = (data.delta_x < 0) ? (idx + 1) : (idx - 1);
                            data.active = true;
                            self._goto(direction);
                        }
                    })
                    .on('touchend.fndtn.orbit', function (e) {
                        container.data('swipe-transition', {});
                        e.stopPropagation();
                    })
            }
            container.on('mouseenter.fndtn.orbit', function (e) {
                if (settings.timer && settings.pause_on_hover) {
                    self.stop_timer();
                }
            })
                .on('mouseleave.fndtn.orbit', function (e) {
                    if (settings.timer && settings.resume_on_mouseout) {
                        timer.start();
                    }
                });

            $(document).on('click', '[data-orbit-link]', self.link_custom);
            $(window).on('load resize', self.compute_dimensions);
            Foundation.utils.image_loaded(this.slides().children('img'), self.compute_dimensions);
            Foundation.utils.image_loaded(this.slides().children('img'), function () {
                container.prev('.' + settings.preloader_class).css('display', 'none');
                self.update_slide_number(0);
                self.update_active_link(0);
                slides_container.trigger('ready.fndtn.orbit');
            });
        };

        self.init();
    };

    var Timer = function (el, settings, callback) {
        var self = this,
            duration = settings.timer_speed,
            progress = el.find('.' + settings.timer_progress_class),
            start,
            timeout,
            left = -1;

        this.update_progress = function (w) {
            var new_progress = progress.clone();
            new_progress.attr('style', '');
            new_progress.css('width', w + '%');
            progress.replaceWith(new_progress);
            progress = new_progress;
        };

        this.restart = function () {
            clearTimeout(timeout);
            el.addClass(settings.timer_paused_class);
            left = -1;
            self.update_progress(0);
        };

        this.start = function () {
            if (!el.hasClass(settings.timer_paused_class)) {
                return true;
            }
            left = (left === -1) ? duration : left;
            el.removeClass(settings.timer_paused_class);
            start = new Date().getTime();
            progress.animate({'width': '100%'}, left, 'linear');
            timeout = setTimeout(function () {
                self.restart();
                callback();
            }, left);
            el.trigger('timer-started.fndtn.orbit')
        };

        this.stop = function () {
            if (el.hasClass(settings.timer_paused_class)) {
                return true;
            }
            clearTimeout(timeout);
            el.addClass(settings.timer_paused_class);
            var end = new Date().getTime();
            left = left - (end - start);
            var w = 100 - ((left / duration) * 100);
            self.update_progress(w);
            el.trigger('timer-stopped.fndtn.orbit');
        };
    };

    var SlideAnimation = function (settings, container) {
        var duration = settings.animation_speed;
        var is_rtl = ($('html[dir=rtl]').length === 1);
        var margin = is_rtl ? 'marginRight' : 'marginLeft';
        var animMargin = {};
        animMargin[margin] = '0%';

        this.next = function (current, next, callback) {
            current.animate({marginLeft: '-100%'}, duration);
            next.animate(animMargin, duration, function () {
                current.css(margin, '100%');
                callback();
            });
        };

        this.prev = function (current, prev, callback) {
            current.animate({marginLeft: '100%'}, duration);
            prev.css(margin, '-100%');
            prev.animate(animMargin, duration, function () {
                current.css(margin, '100%');
                callback();
            });
        };
    };

    var FadeAnimation = function (settings, container) {
        var duration = settings.animation_speed;
        var is_rtl = ($('html[dir=rtl]').length === 1);
        var margin = is_rtl ? 'marginRight' : 'marginLeft';

        this.next = function (current, next, callback) {
            next.css({'margin': '0%', 'opacity': '0.01'});
            next.animate({'opacity': '1'}, duration, 'linear', function () {
                current.css('margin', '100%');
                callback();
            });
        };

        this.prev = function (current, prev, callback) {
            prev.css({'margin': '0%', 'opacity': '0.01'});
            prev.animate({'opacity': '1'}, duration, 'linear', function () {
                current.css('margin', '100%');
                callback();
            });
        };
    };


    Foundation.libs = Foundation.libs || {};

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

        version: '5.5.0',

        settings: {
            animation: 'slide',
            timer_speed: 10000,
            pause_on_hover: true,
            resume_on_mouseout: false,
            next_on_click: true,
            animation_speed: 500,
            stack_on_small: false,
            navigation_arrows: true,
            slide_number: true,
            slide_number_text: 'of',
            container_class: 'orbit-container',
            stack_on_small_class: 'orbit-stack-on-small',
            next_class: 'orbit-next',
            prev_class: 'orbit-prev',
            timer_container_class: 'orbit-timer',
            timer_paused_class: 'paused',
            timer_progress_class: 'orbit-progress',
            slides_container_class: 'orbit-slides-container',
            preloader_class: 'preloader',
            slide_selector: '*',
            bullets_container_class: 'orbit-bullets',
            bullets_active_class: 'active',
            slide_number_class: 'orbit-slide-number',
            caption_class: 'orbit-caption',
            active_slide_class: 'active',
            orbit_transition_class: 'orbit-transitioning',
            bullets: true,
            circular: true,
            timer: true,
            variable_height: false,
            swipe: true,
            before_slide_change: noop,
            after_slide_change: noop
        },

        init: function (scope, method, options) {
            var self = this;
            this.bindings(method, options);
        },

        events: function (instance) {
            var orbit_instance = new Orbit(this.S(instance), this.S(instance).data('orbit-init'));
            this.S(instance).data(this.name + '-instance', orbit_instance);
        },

        reflow: function () {
            var self = this;

            if (self.S(self.scope).is('[data-orbit]')) {
                var $el = self.S(self.scope);
                var instance = $el.data(self.name + '-instance');
                instance.compute_dimensions();
            } else {
                self.S('[data-orbit]', self.scope).each(function (idx, el) {
                    var $el = self.S(el);
                    var opts = self.data_options($el);
                    var instance = $el.data(self.name + '-instance');
                    instance.compute_dimensions();
                });
            }
        }
    };


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