(function () {
    const recaptchaConfigURL = "/getrecaptchaconfig/";
    let siteKey = null;

    function getReCAPTCHAConfig(url, callback) {
        $.ajax({
            type: "GET",
            url: url,
            dataType: "json"
        }).done(function (json) {
            if (json && json.siteKey) {
                siteKey = json.siteKey;
                callback(siteKey);
            }
        }).fail(function (xhr, status, error) {
            console.error("Failed to fetch reCAPTCHA config:", status, error);
        });
    }

    function injectReCaptcha(siteKey) {
        const script = document.createElement("script");
        script.src = "https://www.google.com/recaptcha/api.js?render=" + siteKey;
        script.async = true;
        document.head.appendChild(script);
    }

    function waitForGrecaptcha(callback) {
        if (typeof grecaptcha !== 'undefined' && grecaptcha.ready) {
            grecaptcha.ready(callback);
        } else {
            setTimeout(() => waitForGrecaptcha(callback), 100);
        }
    }

    // Initialize
    getReCAPTCHAConfig(recaptchaConfigURL, function (siteKey) {
        injectReCaptcha(siteKey);

        const tokenField = $('#enwl_recaptchatoken');
        if (tokenField.length) {
            tokenField.closest('tr').hide();
        }
    });

    window.executeReCaptcha = function (action, targetFieldId, callback) {
        if (!siteKey) {
            console.error("reCAPTCHA site key is not yet loaded.");
            return;
        }

        waitForGrecaptcha(() => {
            grecaptcha.execute(siteKey, { action: action }).then(function (token) {
                if (targetFieldId) {
                    $('#' + targetFieldId).val(token);
                }
                if (callback) callback(token);
            });
        });
    };
})();