$(document).ready(function() {
    // Employ Masonry layout configuration
    var $container = $(".masonry-flex-container")
    $container.imagesLoaded().always(function(instance) {
        $container.masonry({
            itemSelector: ".flex-item",
            columnWidth: ".flex-item",
            percentPosition: true,
            transitionDuration: 0 /* Disable animation of transitions */
        });

        $(window).resize(function() {
            $container.masonry();
        });
    });

    $container.each(function() {
        this.addEventListener("load", function() {
            $container.masonry();
        }, true);
    });

    // Provide infinite scroll if enabled
    var $infiniteContainer = $(".masonry-flex-container.infinite-scroll").infinitescroll({
        navSelector: "ul.pagination",
        nextSelector: "ul.pagination a:last",
        itemSelector: ".masonry-flex-container .flex-item",
        loadingImg: "/img/loader.gif",
        loading: {
            finishedMsg: "",
            msgText: "",
            img: "/img/loader.gif"
        }
    }, function(elements) {
        var $elements = $(elements);
        $elements.imagesLoaded(function() {
            $infiniteContainer.masonry("appended", $elements);
        });
    });

    // Attach our lightbox handlers
    $("[data-lightbox-id]").each(function() {
        var element = $(this);
        var lightboxId = element.data("lightbox-id");
        var lightbox = $("#" + lightboxId);

        var lightboxProperties = {
            "padding": "70px",
            "width": "100%",
            "height": "100%",
            "background-color": "rgba(0, 0, 0, 0.95)",
            "color": "white",
            "position": "fixed",
            "top": "0px",
            "left": "0px",
            "z-index": "999"
        };
        lightbox.css(lightboxProperties);
        lightbox.hide();

        var lightboxCloseButtonProperties = {
            "position": "absolute",
            "top": "0px",
            "left": "0px",
            "z-index": "999",
            "cursor": "pointer"
        };

        var lightboxCloseButton = $("<i/>", {
            "class": "fa fa-close fa-5x",
            "click": function(e) {
                e.preventDefault();
                lightbox.hide("fast");
            }
        });
        lightboxCloseButton.css(lightboxCloseButtonProperties);
        lightboxCloseButton.appendTo(lightbox);

        element.click(function(e) {
            e.preventDefault();
            lightbox.show("fast");
        });
    });

    // Provide syntax highlighting if highlight.js included
    if (typeof hljs !== "undefined") {
        hljs.initHighlightingOnLoad();
    }
});