import { fetchJson } from "./api.js";

let INDEX = null;
let RECENT = null;

export async function loadIndex() {
	if (INDEX) return INDEX;
	INDEX = await fetchJson("./data/index.json");
	return INDEX;
}

export async function loadRecent() {
	if (RECENT) return RECENT;
	try {
		RECENT = await fetchJson("./data/recent.json");
	} catch {
		RECENT = { count: 0, items: [] };
	}
	return RECENT;
}

// persist search box value across navigation
const Q_LS_KEY = "stviz:v1:search:q";

export function loadSavedQuery() {
	try {
		return localStorage.getItem(Q_LS_KEY) || "";
	} catch {
		return "";
	}
}

export function saveQuery(v) {
	try {
		localStorage.setItem(Q_LS_KEY, String(v ?? ""));
	} catch {}
}