let table;
if (typeof hidesearch === "undefined") {
    var hidesearch;
    hidesearch = [100];
}


if (typeof pageLength === "undefined") {
    var pageLength;
    pageLength = 25;
}

if (typeof cstmdom === "undefined") {
    var cstmdom;
    cstmdom = "flBrtip";

}
if (typeof columndefs === "undefined") {
    var columndefs;
    columndefs = "";

}

if (typeof columnfilter === "undefined") {
    var columnfilter;
    columnfilter = "";
}
if (typeof columnoptions === "undefined") {
    var columnoptions;
    columnoptions = "";
}

$('#filterrow th').each(function (i) {
    let title = $('#datatable thead th').eq($(this).index()).text();

    if (hidesearch.includes($(this).index())) {

    } else if (columnfilter.includes($(this).index())) {
        $(this).html('<select style="padding: 0;height: 28px;;text-align: center;" id="selectsearch" class="form-control form-control-select form-control-special" data-index="' + i + '">' + columnoptions + '</select>');

    } else {
        $(this).html('<input type="text" placeholder="' + title + '" class="form-control" data-index="' + i + '" value="" />');
    }
});

table = $('#datatable').DataTable({
    responsive: {
        breakpoints: [
            {name: 'desktop', width: Infinity},
            {name: 'tablet', width: 1024},
            {name: 'fablet', width: 768},
            {name: 'phone', width: 480}
        ]
    },
    pageLength: pageLength,
    buttons: [
        {
            extend: 'excelHtml5',
            text: 'XLSX Export',
            className: 'btn-success margina d-none d-lg-block',
            exportOptions: {
                columns: ['th:not(:last-child)'],
                format: {
                    body: function (data, row, column, node) {
                        data = $('<p>' + data + '</p>').text();
                        return $.isNumeric(data.replace(',', '.')) ? data.replace(',', '.') : data;
                    }
                }
            }
        }
    ], columnDefs: [
        columndefs
    ],
    "language": {
        "url": "/datatables/json/german.json?v1"
    },
    orderCellsTop: true,
    stateSave: true,
    stateDuration: 60 * 60 * 24 * 30,
    "initComplete": function () {
        $('#datatable_filter').append('<i id="clear_cookie" class="fas fa-times clear-fa" title="Filter löschen" aria-hidden="true" ></i>');
        $('#clear_cookie').click(function () {
            $('#filterrow input').val('');
            $('#filterrow select').val('');
            table.search('').columns().search('').draw();
        });
    },
    "dom": cstmdom

});

$('#filterrow').on('keyup', 'input', function () {

    table
        .column($(this).data('index'))
        .search(this.value)
        .draw();


});

$('#selectsearch').change(function () {
    table
        .column($(this).data('index'))
        .search(this.value)
        .draw();


});
let state = table.state.loaded();
if (state) {
    table.columns().eq(0).each(function (colIdx) {
        var colSearch = state.columns[colIdx].search;

        if (colSearch.search) {


            $('#filterrow').find("[data-index='" + colIdx + "']").val(colSearch.search);


        }
    });

    table.draw();
}