{% if captcha_config %}
{% if captcha_config.provider == 'turnstile' %}
<script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
{% elif captcha_config.provider == 'recaptcha_v2' %}
<script src="https://www.google.com/recaptcha/api.js" async defer></script>
{% elif captcha_config.provider == 'recaptcha_v3' %}
<script src="https://www.google.com/recaptcha/api.js?render={{ captcha_config.site_key }}"></script>
<script>
(function () {
    function bindRecaptchaV3() {
        const form = document.querySelector(".auth-form");
        const tokenInput = document.getElementById("recaptchaV3Token");
        if (!form || !tokenInput || !window.grecaptcha) return;

        form.addEventListener("submit", function (event) {
            if (tokenInput.value) return;
            event.preventDefault();
            grecaptcha.ready(function () {
                grecaptcha.execute("{{ captcha_config.site_key }}", { action: "{{ captcha_config.action }}" })
                    .then(function (token) {
                        tokenInput.value = token;
                        form.submit();
                    });
            });
        });
    }

    if (window.grecaptcha) {
        bindRecaptchaV3();
    } else {
        window.addEventListener("load", bindRecaptchaV3);
    }
})();
</script>
{% endif %}
{% endif %}