function isNumber(value) {
    return !isNaN(parseFloat(value)) && isFinite(value);
}

$('.carica-altro-blogs').click(function () {
    var row = Number($('#row').val());
    var allcount = Number($('#all').val());
    var rowperpage = Number($('#quante').val());

    row = row + rowperpage;
    if (row <= allcount) {
        $("#row").val(row);
        $.ajax({
            url: 'https://www.studiodanzainsieme.it/assets/ajax/getBlogs.php',
            type: 'post',
            data: {row: row, rowperpage: rowperpage},
            beforeSend: function () {
                $('.carica-altro-blogs').text("Caricamento");
            },
            success: function (response) {
                // Setting little delay while displaying new content
                setTimeout(function () {
                    var dati = JSON.parse(response);
                    var html = '';
                    $.each(dati.contenuto, function (key, value) {
                        let newDate = new Date(value.data_inizio_pubblicazione);
                        newDate = newDate.toLocaleDateString();
                        console.log(key + ": " + JSON.stringify(value));

                        html += '<li class="grid-item wow animate__fadeIn">';
                        html += '<div class="blog-post border-radius-5px bg-white box-shadow-medium">';
                        html += '<div class="blog-post-image bg-smoky-black">';
                        html += '<a href="' + value.seo_url_it + '" title="">';
                        html += '<img src="' + dati.path_copertina_blog + '/' + value.immagine + '" alt="" />';
                        html += '</a></div><div class="post-details padding-3-rem-lr padding-2-half-rem-tb js-eq-altezza-descr-blogs">';
                        html += '<a href="' + value.seo_url_it + '" class="alt-font text-small d-inline-block margin-10px-bottom">' + newDate + '</a>';
                        html += '<a href="' + value.seo_url_it + '" class="alt-font font-weight-500 text-extra-medium text-extra-dark-gray margin-15px-bottom d-block"> '+stripTags(value.titolo_it)+' </a>';
                        html += stripTags(value.testo_breve_it) + '</div></div></li>';
                    });
                    console.log(dati.tot);

                    $newItem = $(html);

                    $grid = $('.blog-wrapper');

                    $grid.isotope()
                        .append($newItem)
                        .isotope('appended', $newItem)

                    if ($(window).width() > 768) {
                        e = 0;
                        $(".js-eq-altezza-descr-blogs").each(function () {
                                $(this).height() > e && (e = $(this).height())
                            }
                        ), $(".js-eq-altezza-descr-blogs").height(e)
                    }

                    // layout Isotope after each image loads
                    //$grid.imagesLoaded().progress(function () {
                    //    $grid.isotope('layout');
                    //});

                    var rowno = row + rowperpage;
                    // checking row value is greater than allcount or not
                    if (rowno > allcount) {
                        // Change the text and background
                        $('.carica-altro-blogs').hide();
                        //$('.load-more').css("background","darkorchid");
                    } else {
                        $('.carica-altro-blogs').text("Carica altro");
                    }
                }, 100);
            }
        });
    } else {
        $('.carica-altro-blogs').text("Caricamento");
        // Setting little delay while removing contents
        setTimeout(function () {
            // When row is greater than allcount then remove all class='post' element after 3 element
            $('.immagine-album:nth-child(3)').nextAll('.post').remove();
            // Reset the value of row
            $("#row").val(0);
            // Change the text and background
            $('.carica-altro-blogs').text("Carica altro");
        }, 2000);
    }
});