jQuery(document).ready(function ($) {
    var galGroup = 1;
    var galImage = null;
    var galClassName = '';

    // Caption overlay image
    if (parseInt(advgb.imageCaption) === 2) {
        galClassName = 'advgb_lightbox advgb_caption_overlay';
    } else {
        galClassName = 'advgb_lightbox';
    }

    $('.wp-block-gallery').each(function () {
        var item = $(this).find('.blocks-gallery-item, .wp-block-image');
        // Add lightbox for images with Link to: Media file
        if(item.find('a[href$=".jpg"], a[href$=".png"], a[href$=".gif"], a[href$=".webp"]').length) {

            item.colorbox({
                title: function () {
                    if (parseInt(advgb.imageCaption)) {
                        var imgCap = $(this).find('figcaption').text() || $(this).find('img').attr('alt');
                        return imgCap;
                    }
    
                    return null;
                },
                maxWidth: '90%',
                maxHeight: '85%',
                fixed: true,
                className: galClassName,
                rel: 'gallery' + galGroup,
                photo: true,
                href: function () {
                    if($(this).find('a').length) {
                        // Link to: Media File
                        galImage = $(this).find('a');
                        if(galImage.attr('href').indexOf('.jpg') > 0 || galImage.attr('href').indexOf('.png') > 0 || galImage.attr('href').indexOf('.gif') > 0 || galImage.attr('href').indexOf('.jpeg') > 0 || galImage.attr('href').indexOf('.webp') > 0) {
                            return $(this).find('a').attr('href');
                        }
                    }
                },
                onComplete: function () {
                    $('.cboxPhoto')
                        .attr('alt', $(this).find('img').attr('alt'))
                        .attr('title', $(this).find('img').attr('title'));
                }
            });
            galGroup++;
        }
    });
});