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(function () {
const siteKey = ‘6LfxMN0qAAAAAKzd2hzd5NDuekONZKRzbEf8NokQ’;
const actionName = ‘newsletter’;

let recaptchaScriptPromise = null;

function loadRecaptchaScript() {
if (window.grecaptcha && typeof window.grecaptcha.ready === ‘function’) {
return Promise.resolve();
}

if (recaptchaScriptPromise) {
return recaptchaScriptPromise;
}

recaptchaScriptPromise = new Promise(function (resolve, reject) {
const existing = document.querySelector(‘script[data-recaptcha=”newsletter”]’);

if (existing) {
existing.addEventListener(‘load’, function () {
resolve();
}, { once: true });

existing.addEventListener(‘error’, function () {
reject(new Error(‘reCAPTCHA load error’));
}, { once: true });

return;
}

const s = document.createElement(‘script’);
s.src = ‘https://www.google.com/recaptcha/api.js?render=’ + encodeURIComponent(siteKey);
s.async = true;
s.defer = true;
s.setAttribute(‘data-recaptcha’, ‘newsletter’);

s.onload = function () {
resolve();
};

s.onerror = function () {
reject(new Error(‘reCAPTCHA load error’));
};

document.head.appendChild(s);
});

return recaptchaScriptPromise;
}

function executeRecaptcha() {
return loadRecaptchaScript().then(function () {
return new Promise(function (resolve, reject) {
if (!window.grecaptcha || typeof window.grecaptcha.ready !== ‘function’) {
reject(new Error(‘grecaptcha unavailable’));
return;
}

window.grecaptcha.ready(function () {
window.grecaptcha.execute(siteKey, { action: actionName })
.then(resolve)
.catch(reject);
});
});
});
}

document.querySelectorAll(‘form[id^=”ws-newsletter-form-“]’).forEach(function (form) {
const tokenInput = form.querySelector(‘input[name=”recaptcha_token”]’);
if (!tokenInput) return;

let submitting = false;

form.addEventListener(‘submit’, function (e) {
if (submitting) {
return;
}

e.preventDefault();

executeRecaptcha()
.then(function (token) {
tokenInput.value = token;
submitting = true;
form.submit();
})
.catch(function (err) {
console.error(‘reCAPTCHA error:’, err);
alert(‘Nie można pobrać tokenu reCAPTCHA. Sprawdź cookies, adblock albo zgodę na skrypty Google.’);
});
});

// opcjonalny warmup po wejściu w formularz
form.addEventListener(‘focusin’, function warmupOnce() {
loadRecaptchaScript().catch(function () {});
form.removeEventListener(‘focusin’, warmupOnce);
});
});
})();