/* product-recent.js — records the current product into localStorage so the
 * homepage "Recently Viewed" strip can show it. Reads product data from a
 * JSON blob the product page emits as window.WCM_PRODUCT, or falls back to
 * scraping the page. Keeps the 12 most recent, newest first, de-duplicated. */
(function(){
	var KEY = 'wcm_recent_products';
	var MAX = 12;

	function currentProduct(){
		// Preferred: explicit data from the product page
		if (window.WCM_PRODUCT && window.WCM_PRODUCT.url && window.WCM_PRODUCT.name) {
			return {
				url: window.WCM_PRODUCT.url,
				name: window.WCM_PRODUCT.name,
				img: window.WCM_PRODUCT.img || ''
			};
		}
		// Fallback: only act on real product pages (/product/Name/ID)
		if (!/^\/product\//.test(location.pathname)) return null;
		var name = '';
		var h1 = document.querySelector('h1, .product-name h1, .product-name');
		if (h1) name = h1.textContent.replace(/\s+/g,' ').trim();
		if (!name) { name = (document.title || '').replace(/\s*\|.*$/,'').trim(); }
		if (!name) return null;
		var img = '';
		var pimg = document.querySelector('.cloud-zoom img, .large-image img, .product-image img');
		if (pimg && pimg.getAttribute('src')) img = pimg.getAttribute('src');
		return { url: location.pathname, name: name, img: img };
	}

	var p = currentProduct();
	if (!p) return;

	var list = [];
	try { list = JSON.parse(localStorage.getItem(KEY) || '[]'); } catch(e){ list = []; }
	if (!Array.isArray(list)) list = [];

	// remove any existing entry with the same url, then unshift to front
	list = list.filter(function(it){ return it && it.url !== p.url; });
	list.unshift(p);
	if (list.length > MAX) list = list.slice(0, MAX);

	try { localStorage.setItem(KEY, JSON.stringify(list)); } catch(e){}
})();