$(function() {

    //
    // Define variables
    //

    // Modal template
    var modalTemplate = '<div class="modal-dialog modal-lg" role="document">\n' +
        '  <div class="modal-content">\n' +
        '    <div class="modal-header">\n' +
        '      <div class="kv-zoom-actions btn-group">{toggleheader}{fullscreen}{borderless}{close}</div>\n' +
        '      <h6 class="modal-title">{heading} <small><span class="kv-zoom-title"></span></small></h6>\n' +
        '    </div>\n' +
        '    <div class="modal-body">\n' +
        '      <div class="floating-buttons btn-group"></div>\n' +
        '      <div class="kv-zoom-body file-zoom-content"></div>\n' + '{prev} {next}\n' +
        '    </div>\n' +
        '  </div>\n' +
        '</div>\n';

    // Buttons inside zoom modal
    var previewZoomButtonClasses = {
        toggleheader: 'btn btn-default btn-icon btn-xs btn-header-toggle',
        fullscreen: 'btn btn-default btn-icon btn-xs',
        borderless: 'btn btn-default btn-icon btn-xs',
        close: 'btn btn-default btn-icon btn-xs'
    };

    // Icons inside zoom modal classes
    var previewZoomButtonIcons = {
        prev: '<i class="icon-arrow-left32"></i>',
        next: '<i class="icon-arrow-right32"></i>',
        toggleheader: '<i class="icon-menu-open"></i>',
        fullscreen: '<i class="icon-screen-full"></i>',
        borderless: '<i class="icon-alignment-unalign"></i>',
        close: '<i class="icon-cross3"></i>'
    };

    // File actions
    var fileActionSettings = {
        zoomClass: 'btn btn-link btn-xs btn-icon',
        zoomIcon: '<i class="icon-zoomin3"></i>',
        dragClass: 'btn btn-link btn-xs btn-icon',
        dragIcon: '<i class="icon-three-bars"></i>',
        removeClass: 'btn btn-link btn-icon btn-xs',
        removeIcon: '<i class="icon-trash"></i>',
        indicatorNew: '<i class="icon-file-plus text-slate"></i>',
        indicatorSuccess: '<i class="icon-checkmark3 file-icon-large text-success"></i>',
        indicatorError: '<i class="icon-cross2 text-danger"></i>',
        indicatorLoading: '<i class="icon-spinner2 spinner text-muted"></i>'
    };

    $(".file-input-preview").fileinput({
        browseLabel: 'Browse',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        maxFileSize: 10000,
        overwriteInitial: false,
        initialPreviewAsData: true,
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings,
        // initialPreview: [
        //     "../dist/assets/images/demo/images/1.png",
        //     "../dist/assets/images/demo/images/2.png",
        // ],
        // initialPreviewConfig: [
        //     {caption: "Jane.jpg", size: 930321, key: 1, url: '{$url}', showDrag: true},
        //     {caption: "Anna.jpg", size: 1218822, key: 2, url: '{$url}', showDrag: true}
        // ],
        // uploadUrl: "http://localhost:8000/api/test", // server upload action
        // uploadAsync: true,
        // maxFileCount: 5,
    });

    //
    // Misc
    //

    // Disable/enable button
    $("#btn-modify").on("click", function() {
        $btn = $(this);
        if ($btn.text() == "Disable file input") {
            $("#file-input-methods").fileinput("disable");
            $btn.html("Enable file input");
            alert("Hurray! I have disabled the input and hidden the upload button.");
        }
        else {
            $("#file-input-methods").fileinput("enable");
            $btn.html("Disable file input");
            alert("Hurray! I have reverted back the input to enabled with the upload button.");
        }
    });

});
