// ============================================================
// ★ EmailJS 설정 - 아래 3가지 값을 본인 계정으로 교체하세요 ★
// ============================================================
const EMAILJS_PUBLIC_KEY  = 'HO6i369gX6X5HEXtJ';
const EMAILJS_SERVICE_ID  = 'service_4ur5lqd';
const EMAILJS_TEMPLATE_ID = 'template_jp0v5qv';
// ============================================================

emailjs.init(EMAILJS_PUBLIC_KEY);

// ── Contact Form ─────────────────────────────────────────────
document.getElementById('contact-submit').addEventListener('click', function () {
    const name    = document.getElementById('contact-name').value.trim();
    const email   = document.getElementById('contact-email').value.trim();
    const company = document.getElementById('contact-company').value.trim();
    const message = document.getElementById('contact-message').value.trim();
    const btn     = document.getElementById('contact-submit');

    if (!name || !email || !message) {
        showStatus('error', t('contact.error.required')); return;
    }
    if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
        showStatus('error', t('contact.error.email')); return;
    }

    btn.disabled = true;
    btn.textContent = t('contact.sending');

    const templateParams = {
        name     : name,
        message  : 'Email   : ' + email + '\nCompany : ' + (company || 'N/A') + '\n\n' + message,
        reply_to : email
    };

    emailjs.send(EMAILJS_SERVICE_ID, EMAILJS_TEMPLATE_ID, templateParams)
        .then(function () {
            showStatus('success', t('contact.success'));
            document.getElementById('contact-name').value    = '';
            document.getElementById('contact-email').value   = '';
            document.getElementById('contact-company').value = '';
            document.getElementById('contact-message').value = '';
        })
        .catch(function (error) {
            console.error('EmailJS error:', error);
            showStatus('error', t('contact.error.fail'));
        })
        .finally(function () {
            btn.disabled = false;
            btn.textContent = t('contact.btn');
        });
});

function showStatus(type, msg) {
    const status = document.getElementById('contact-status');
    status.classList.remove('hidden', 'bg-green-500/20', 'text-green-400', 'bg-red-500/20', 'text-red-400');
    status.classList.add(type === 'success' ? 'bg-green-500/20' : 'bg-red-500/20',
                         type === 'success' ? 'text-green-400' : 'text-red-400');
    status.textContent = msg;
}

// ── Header scroll ────────────────────────────────────────────
const mainHeader = document.getElementById('main-header');
const brandName  = document.getElementById('brand-name');
const navLinks   = document.querySelectorAll('.nav-link');

window.addEventListener('scroll', () => {
    if (window.scrollY > 50) {
        mainHeader.classList.add('glass-effect', 'py-3');
        mainHeader.classList.remove('py-6');
        if (brandName) brandName.classList.replace('text-white', 'text-slate-900');
        navLinks.forEach(link => link.classList.replace('text-slate-100', 'text-slate-700'));
    } else {
        mainHeader.classList.remove('glass-effect', 'py-3');
        mainHeader.classList.add('py-6');
        if (brandName) brandName.classList.replace('text-slate-900', 'text-white');
        navLinks.forEach(link => link.classList.replace('text-slate-700', 'text-slate-100'));
    }
});

// ── Mobile menu ───────────────────────────────────────────────
const mobileMenuBtn = document.getElementById('mobile-menu-btn');
const mobileMenu    = document.getElementById('mobile-menu');
const closeMenuBtn  = document.getElementById('close-menu-btn');

if (mobileMenuBtn) mobileMenuBtn.addEventListener('click', () => mobileMenu.classList.remove('translate-x-full'));
if (closeMenuBtn)  closeMenuBtn.addEventListener('click',  () => mobileMenu.classList.add('translate-x-full'));

const mobileNavLinks = mobileMenu ? mobileMenu.querySelectorAll('a') : [];
mobileNavLinks.forEach(link => link.addEventListener('click', () => mobileMenu.classList.add('translate-x-full')));