const PREFIX = "bluebell";

function defineScope<S extends string, const K extends readonly string[]>(scope: S, keys: K) {
	const entries = keys.map((key) => {
		const value = `${PREFIX}:${scope}:${key.toLowerCase().replace(/_/g, "-")}`;
		return [key, value] as const;
	});

	return Object.fromEntries(entries) as {
		[P in K[number]]: `${typeof PREFIX}:${S}:${Lowercase<string>}`;
	};
}

export const KEYS = {
	THEME: defineScope("theme", [
		"ACCENT_COLOURS", // map of themeIds to accent colours
		"PREFERRED_DARK", // preferred dark theme id
		"PREFERRED_LIGHT", // preferred light theme id
		"USE_SYSTEM", // whether to use the system theme or not, boolean
		"THEME_ID", // the currently selected theme id, if USE_SYSTEM is false
	]),
	OAUTH: defineScope("oauth", [
		"ACTIVE_DID", // the currently active did, if any
		"ACCOUNTS", // list of dids that have been authenticated with
	]),
	STATE: defineScope("state", ["ACTIVE_FEED_URI"]),
};

export default KEYS;