/************************************************************************
 * Ajax extension for datatables                                         *
 *************************************************************************/
(function ($) {
    if (!$.fn.dataTableExt) {
        return;
    }

    var doAjax = function (listAction, requestData, callbackFunction, settings) {
        var inputFilter = {};

        //set table defined filters
        if (listAction.inputFilter) {
            inputFilter = $.extend(inputFilter, listAction.inputFilter());
        }

        //set paging filters
        if (settings.oInit.paging) {
            inputFilter = $.extend(inputFilter, {
                maxResultCount: requestData.length,
                skipCount: requestData.start
            });
        }

        //execute ajax function with filter
        if (listAction.ajaxFunction) {
            listAction.ajaxFunction(inputFilter)
                .done(function (result) {
                    //store raw server response for custom rendering.
                    settings.rawServerResponse = result;

                    //html encoding can be disabled by adding "disableResponseHtmlEncoding: true" to "listAction" field
                    var dataItems;
                    if (listAction.disableResponseHtmlEncoding) {
                        dataItems = result.items;
                    } else {
                        //HTML encodes the response items for XSS protection.
                        dataItems = app.htmlUtils.htmlEncodeJson(result.items);
                    }

                    //invoke callback
                    callbackFunction({
                        recordsTotal: result.totalCount,
                        recordsFiltered: result.totalCount,
                        data: dataItems
                    });
                })
                .always(function () {
                    abp.ui.clearBusy(settings.nTable);
                });
        }
    }

    if (!$.fn.dataTable) {
        return;
    }

    $.extend(true, $.fn.dataTable.defaults, {
        ajax: function (requestData, callbackFunction, settings) {
            if (!settings) {
                return;
            }

            if (!settings.oInit) {
                return;
            }

            if (!settings.oInit.listAction) {
                return;
            }

            abp.ui.setBusy(settings.nTable);

            doAjax(settings.oInit.listAction, requestData, callbackFunction, settings);
        }
    });

    $.fn.dataTable.Api.register('ajax.reloadPage()', function () {
        // user paging is not reset on reload. https://datatables.net/reference/api/ajax.reload()
        this.ajax.reload(null, false);
    });
})(jQuery);