document.addEventListener('DOMContentLoaded', function() {
    const forms = document.querySelectorAll('.cv-contactform form');
    forms.forEach(form => {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            const btn = form.querySelector('button[type="submit"]');
            const feedback = form.parentElement.querySelector('.cv-contactform-feedback');
            const originalBtnText = btn.innerText;
            const receiver = form.getAttribute('data-receiver');
            if (!receiver) { alert('Receiver email missing.'); return; }
            const expectedAnswer = form.getAttribute('data-control-answer');
            if (expectedAnswer && form.querySelector('[name="cv-control"]').value.trim().toLowerCase() !== expectedAnswer.trim().toLowerCase()) { alert('Incorrect answer.'); return; }
            btn.innerText = 'Sending...'; btn.disabled = true;
            const data = { receiver: receiver, name: form.querySelector('[name="cv-name"]').value, email: form.querySelector('[name="cv-email"]').value, subject: form.querySelector('[name="cv-subject"]').value, message: form.querySelector('[name="cv-message"]').value };
            fetch('/wp-json/cv-blocks/v1/send-message', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(data) }).then(res => res.json()).then(res => {
                if (res.success) { form.style.display = 'none'; feedback.innerHTML = '<div class="cv-success-msg">' + (form.getAttribute('data-success') || 'Sent!') + '</div>'; feedback.style.display = 'block'; }
                else { alert('Error.'); btn.innerText = originalBtnText; btn.disabled = false; }
            });
        });
    });
    const tocBlocks = document.querySelectorAll('.cv-toc');
    if (tocBlocks.length > 0) {
        const contentBlocks = document.querySelectorAll('.cv-contentblock');
        tocBlocks.forEach(container => {
            let hasItems = false;
            const ul = document.createElement('ul'); 
            ul.className = 'cv-toc-list';
            contentBlocks.forEach((b, i) => {
                if (b.getAttribute('data-include-toc') === 'false') return;
                const h = b.querySelector('.cv-contentblock-heading'); 
                if (!h || !h.textContent.trim()) return;
                if (b.classList.contains('cv-toc')) return;
                if (!b.id) b.id = 'cv-sec-' + i;
                const li = document.createElement('li'); 
                const a = document.createElement('a'); 
                a.href = '#' + b.id; 
                a.textContent = h.textContent;
                a.onclick = (e) => { e.preventDefault(); document.getElementById(b.id).scrollIntoView({ behavior: 'smooth' }); };
                li.appendChild(a); 
                ul.appendChild(li);
                hasItems = true;
            });
            if (hasItems) {
                container.appendChild(ul);
                container.style.display = 'block';
            } else {
                container.style.display = 'none';
            }
        });
    }
});