$(document).ready(function () {
    listFaq();
});

var dtAvviso = null;
var groupColumn = 2;

function listFaq() {
    return $('#faqAvviso').DataTable({
        'processing': true,
        'serverSide': true,
        'paging': false,
        'serverMethod': 'post',
        "order": [[2, 'ASC']],
        'ajax': {
            'url': WS_CALL, // + '?module=istituto&action=list_istituti'
            'data': {
                'module': 'faq',
                'action': 'listFaq'
            }
        },
        'columnDefs': [
            {"visible": false, "targets": groupColumn},
            {'width': '80px', 'targets': 1}
        ],
        'drawCallback': function (settings) {
            var api = this.api();
            var rows = api.rows({page: 'current'}).nodes();
            var last = null;
            api.column(groupColumn, {page: 'current'}).data().each(function (group, i) {
                if (last !== group) {
                    $(rows).eq(i).before(
                            '<tr class="group"><td colspan="5">' + group + '</td></tr>'
                            );

                    last = group;
                }
            });
        },
//        'order': [[ groupColumn, 'asc' ]],
        'columns': [
            {data: 'ID', "visible": false},
            {data: 'DATA_INSERIMENTO', orderable: false},
            {data: 'CATEGORIA', orderable: false},
            {data: 'OGGETTO', orderable: false},
            {data: 'FAQ', orderable: false}
//            {data: 'DOMANDA', "visible": false}
//            {data: 'DOCUMENTO', orderable: false}
        ],
        initComplete: function (settings, json) {
            dataTableEventXhr();
        }
    });
}

// Order by the grouping
function orderGroup(avviso) {
    var currentOrder = dtAvviso.order()[0];
    if (currentOrder[0] === groupColumn && currentOrder[1] === 'asc') {
        dtAvviso.order([groupColumn, 'desc']).draw();
    } else {
        dtAvviso.order([groupColumn, 'asc']).draw();
    }
}

function saveFaq() {
    $('#loader').show();
    var form = document.getElementById('form-faq');
    var formInvio = new FormData(form);
    formInvio.append('module', 'faq');
    formInvio.append('action', 'saveFaq');
    postdata(WS_CALL, formInvio, function (response) {
        var risp = jQuery.parseJSON(response);
        if (risp.esito === 1) {
            $('#loader').hide();
            functionSwall("success", "F.A.Q. inviata con successo. A breve sarà presa in carico dall'amministrazione.", "faq.php");
        } else {
            $('#loader').hide();
            functionSwall('error', risp.erroreDescrizione, "");
        }
    });
}