function isEmpty(value) {
    if (value == "" || value == null || value == undefined || (value != null && typeof value == "object" && !Object.keys(value).length)) {
        return true;
    } else {
        return false;
    }
}

function checkLanguageCode(lang) {
    lang = lang.toUpperCase();
    // ����, ����-�̱�
    if ("EN" == lang || "EN-US" == lang) {
        return "en";
    }
    // ������/�߽��ھ�
    else if (lang === "ES" || lang === "ES-ES" || lang === "ES-MX" || lang === "ES-419" || lang === "ES-US"
        || lang.startsWith("ES-")) {
        return "es";
    }
    // �ε��׽þƾ�
    else if (lang === "ID" || lang === "ID-ID") {
        return "id";
    }
    // ����������
    else if (lang === "PT" || lang === "PT-PT" | lang === "PT-BR"
        || lang.startsWith("PT-")) {
        return "pt";
    }
    // �±���
    else if (lang === "TH" || lang === "TH-TH") {   
        return "th";
    }
    // �ѱ���
    //else if (lang === "KO" || lang === "KO-KR") {
    //    return "ko";
        //}
    // ������ ��� en
    else {
        return "en";
    }
}


function requestAjax(parameter, loading) {

    parameter = {
        'type': parameter.type || "POST",
        'url': parameter.url || "/Home/Login",
        'data': parameter.data || "",
        'fnCallBackSuccess': parameter.fnCallBackSuccess || notDefineFnCallBackSuccess,
        'fnCallBackError': parameter.fnCallBackError || notDefineFnCallBackError
    };

    loading.removeClass('d-none');

    $.ajax({
        type: parameter.type,
        url: parameter.url,
        data: parameter.data,
        contentType: "application/json, charset=utf-8",
        dataType: "json"
    })
        .done(function (response) {
            if (false == isEmpty(response.errorMessage)) {
                parameter.fnCallBackError(response);
                return;
            }

            parameter.fnCallBackSuccess(response);
        })
        .fail(function (xhr, status, errorThrown) {
            if (false == isEmpty(xhr.responseJSON)) {
                if ("WebToolAuthorize" === xhr.responseJSON.Type) {
                    if (isEmpty(xhr.responseJSON.RedirectURL)) {
                        alert(xhr.responseJSON.Message);
                        console.log(xhr.responseJSON);
                        return;
                    }

                    window.location.href = window.location.protocol + "//" + xhr.responseJSON.RedirectURL + "?errorMessage=" + xhr.responseJSON.Message;
                }
                else if ("HandleException" === xhr.responseJSON.Type) {
                    alert("������ �߻��Ͽ����ϴ�. ���߿� �ٽ� �õ����ּ���.");
                    console.log(xhr.responseJSON);
                    return;
                }
            }
        })
        .always(function (xhr, status) {
            loading.addClass('d-none');
        });
}

function notDefineFnCallBackError(response) {
    alert(response.errorMessage);
}