spirit-tracker/viz/app/sku.js

export function parsePriceToNumber(v) {
	const s = String(v ?? "").replace(/[^0-9.]/g, "");
	const n = Number(s);
	return Number.isFinite(n) ? n : null;
}

export function fnv1a32(str) {
	let h = 0x811c9dc5;
	for (let i = 0; i < str.length; i++) {
		h ^= str.charCodeAt(i);
		h = Math.imul(h, 0x01000193);
	}
	return (h >>> 0).toString(16).padStart(8, "0");
}

export function makeSyntheticSku(r) {
	const store = String(r?.storeLabel || r?.store || "store");
	const url = String(r?.url || "");
	const key = `${store}|${url}`;
	return `u:${fnv1a32(key)}`;
}

export function keySkuForRow(r) {
	const real0 = String(r?.sku || "").trim();
	if (real0) {
		const m = real0.match(/^id:(\d{1,6})$/i);
		return m ? String(m[1]).padStart(6, "0") : real0;
	}
	return makeSyntheticSku(r);
}

export function displaySku(key) {
	const s = String(key || "");
	return s.startsWith("u:") ? "unknown" : s;
}

export function isUnknownSkuKey(key) {
	return String(key || "").startsWith("u:");
}

// Normalize for search: lowercase, punctuation -> space, collapse spaces
export function normSearchText(s) {
	return String(s ?? "")
		.toLowerCase()
		.replace(/[^a-z0-9]+/g, " ")
		.replace(/\s+/g, " ")
		.trim();
}

export function tokenizeQuery(q) {
	const n = normSearchText(q);
	return n ? n.split(" ").filter(Boolean) : [];
}

export function matchesAllTokens(hayNorm, tokens) {
	if (!tokens.length) return true;
	for (const t of tokens) if (!hayNorm.includes(t)) return false;
	return true;
}