(() => {
  const state = { products: [], store: null, category: 'Todos', collection: '', query: '', sort: 'featured', cart: JSON.parse(localStorage.getItem('ari-shopping-cart-v2.2') || '{}') };
  const $ = (sel, root = document) => root.querySelector(sel);
  const $$ = (sel, root = document) => [...root.querySelectorAll(sel)];
  const els = { productGrid: $('#productGrid'), template: $('#productTemplate'), summary: $('#catalogSummary'), chips: $('#filterChips'), empty: $('#emptyState'), reset: $('#resetFilters'), sort: $('#sortSelect'), searchToggle: $('#searchToggle'), searchClose: $('#searchClose'), searchRow: $('#searchRow'), searchInput: $('#searchInput'), cartCount: $('#cartCount'), cartOpen: $('#cartOpen'), cartClose: $('#cartClose'), cartDrawer: $('#cartDrawer'), cartItems: $('#cartItems'), clearCart: $('#clearCart'), checkoutBtn: $('#checkoutBtn'), backdrop: $('#backdrop'), dialog: $('#productDialog'), dialogClose: $('#dialogClose'), dialogContent: $('#dialogContent') };
  const normalize = (v) => String(v || '').toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g, '');
  const persist = () => localStorage.setItem('ari-shopping-cart-v2.2', JSON.stringify(state.cart));
  const productById = (id) => state.products.find((p) => p.id === id);
  async function loadData() { const [storeRes, productsRes] = await Promise.all([fetch('data/store.json', { cache: 'no-store' }), fetch('data/products.json', { cache: 'no-store' })]); state.store = await storeRes.json(); const catalog = await productsRes.json(); state.products = catalog.products || []; buildChips(); render(); }
  function buildChips() { const cats = ['Todos', ...new Set(state.products.map((p) => p.category))]; els.chips.innerHTML = cats.map((cat) => `<button class="chip ${state.category === cat && !state.collection ? 'active' : ''}" data-chip-cat="${cat}">${cat}</button>`).join(''); }
  function filtered() { const query = normalize(state.query); return state.products.filter((p) => { if (state.category !== 'Todos' && p.category !== state.category) return false; if (state.collection && p.collection !== state.collection) return false; if (!query) return true; return normalize(`${p.name} ${p.category} ${p.collection} ${p.description}`).includes(query); }).sort((a, b) => { if (state.sort === 'name') return a.name.localeCompare(b.name, 'es'); if (state.sort === 'new') return Number(Boolean(b.new)) - Number(Boolean(a.new)); return Number(Boolean(b.featured)) - Number(Boolean(a.featured)) || a.name.localeCompare(b.name, 'es'); }); }
  function renderProducts() { const list = filtered(); els.summary.textContent = `${list.length} productos disponibles para consultar.`; els.empty.hidden = list.length > 0; els.productGrid.innerHTML = ''; list.forEach((product) => { const frag = els.template.content.cloneNode(true); $('.product-card', frag).dataset.id = product.id; $('img', frag).src = product.image; $('img', frag).alt = product.name; $('.category', frag).textContent = product.category; $('.collection', frag).textContent = product.collection; $('.product-title', frag).textContent = product.name; $('.product-description', frag).textContent = product.description; $$('.product-open', frag).forEach((btn) => btn.addEventListener('click', () => openDialog(product.id))); $('.add-product', frag).addEventListener('click', () => addToCart(product.id)); els.productGrid.appendChild(frag); }); }
  function renderCart() { const entries = Object.entries(state.cart).map(([id, qty]) => ({ product: productById(id), qty: Number(qty) })).filter((item) => item.product && item.qty > 0); els.cartCount.textContent = String(entries.reduce((sum, item) => sum + item.qty, 0)); if (!entries.length) { els.cartItems.innerHTML = '<div class="cart-empty"><strong>Tu pedido está vacío</strong><p>Agrega productos para consultarlos por WhatsApp.</p></div>'; return; } els.cartItems.innerHTML = entries.map(({ product, qty }) => `<article class="cart-line" data-id="${product.id}"><img src="${product.image}" alt="${product.name}"><div><strong>${product.name}</strong><small>${product.collection} · Consultar disponibilidad</small><div class="qty"><button type="button" data-minus>−</button><span>${qty}</span><button type="button" data-plus>+</button></div></div><button class="remove-btn" type="button" data-remove>Quitar</button></article>`).join(''); $$('[data-minus]', els.cartItems).forEach((btn) => btn.addEventListener('click', () => changeQty(btn.closest('[data-id]').dataset.id, -1))); $$('[data-plus]', els.cartItems).forEach((btn) => btn.addEventListener('click', () => changeQty(btn.closest('[data-id]').dataset.id, 1))); $$('[data-remove]', els.cartItems).forEach((btn) => btn.addEventListener('click', () => removeFromCart(btn.closest('[data-id]').dataset.id))); }
  function render() { buildChips(); renderProducts(); renderCart(); }
  function addToCart(id) { state.cart[id] = Number(state.cart[id] || 0) + 1; persist(); renderCart(); openCart(); }
  function changeQty(id, delta) { const next = Number(state.cart[id] || 0) + delta; if (next <= 0) delete state.cart[id]; else state.cart[id] = next; persist(); renderCart(); }
  function removeFromCart(id) { delete state.cart[id]; persist(); renderCart(); }
  function openCart() { els.cartDrawer.classList.add('open'); els.cartDrawer.setAttribute('aria-hidden', 'false'); els.backdrop.hidden = false; }
  function closeCart() { els.cartDrawer.classList.remove('open'); els.cartDrawer.setAttribute('aria-hidden', 'true'); els.backdrop.hidden = true; }
  function openDialog(id) { const p = productById(id); if (!p) return; els.dialogContent.innerHTML = `<div class="dialog-layout"><img src="${p.image}" alt="${p.name}"><div class="dialog-copy"><span class="eyebrow">${p.category} · ${p.collection}</span><h3>${p.name}</h3><p>${p.description}</p><div class="dialog-details"><div><strong>Precio</strong><span>Consultar disponibilidad</span></div><div><strong>Entrega</strong><span>Coordinar con Ari Shopping</span></div>${p.dimensions ? `<div><strong>Medidas</strong><span>${p.dimensions}</span></div>` : ''}</div><div class="dialog-actions"><button id="dialogAdd" class="primary-btn" type="button">Agregar al pedido</button><a class="ghost-btn" target="_blank" rel="noopener" href="${state.store.whatsappUrl}">Consultar por WhatsApp</a></div></div></div>`; $('#dialogAdd', els.dialogContent).addEventListener('click', () => { addToCart(id); els.dialog.close(); }); els.dialog.showModal(); }
  function buildWhatsAppMessage() { const entries = Object.entries(state.cart).map(([id, qty]) => ({ product: productById(id), qty: Number(qty) })).filter((item) => item.product && item.qty > 0); if (!entries.length) return 'Hola Ari Shopping 👋'; return ['Hola Ari Shopping 👋', 'Quiero consultar disponibilidad para los siguientes productos:', '', ...entries.map((item) => `• ${item.qty} x ${item.product.name}`), '', 'Nombre:', 'Ciudad:', 'Forma de entrega:'].join('\n'); }
  function checkout() { const text = encodeURIComponent(buildWhatsAppMessage()); window.open(`${state.store.whatsappUrl}?text=${text}`, '_blank', 'noopener'); }
  function bind() { document.addEventListener('click', (event) => { const nav = event.target.closest('[data-nav]'); if (nav) { state.category = nav.dataset.nav; state.collection = ''; render(); } const col = event.target.closest('[data-col]'); if (col) { state.category = 'Todos'; state.collection = col.dataset.col; render(); } const cat = event.target.closest('[data-cat]'); if (cat) { state.category = cat.dataset.cat; state.collection = ''; render(); } const chip = event.target.closest('[data-chip-cat]'); if (chip) { state.category = chip.dataset.chipCat; state.collection = ''; render(); } }); els.sort.addEventListener('change', () => { state.sort = els.sort.value; renderProducts(); }); els.searchToggle.addEventListener('click', () => { els.searchRow.hidden = false; els.searchInput.focus(); }); els.searchClose.addEventListener('click', () => { els.searchRow.hidden = true; state.query = ''; els.searchInput.value = ''; renderProducts(); }); els.searchInput.addEventListener('input', () => { state.query = els.searchInput.value; renderProducts(); }); els.cartOpen.addEventListener('click', openCart); els.cartClose.addEventListener('click', closeCart); els.backdrop.addEventListener('click', closeCart); els.clearCart.addEventListener('click', () => { state.cart = {}; persist(); renderCart(); }); els.checkoutBtn.addEventListener('click', checkout); els.reset.addEventListener('click', () => { state.category = 'Todos'; state.collection = ''; state.query = ''; render(); }); els.dialogClose.addEventListener('click', () => els.dialog.close()); }
  bind(); loadData().catch((err) => { console.error(err); els.summary.textContent = 'No se pudo cargar el catálogo.'; els.empty.hidden = false; });
})();