/**
 * Type representing the result of a liveness check.
 */
export type LivenessResult = {
	/** Status of the service (always 'ok'). */
	status: 'ok';
	/** Timestamp of the liveness check in milliseconds since the Unix epoch. */
	timestamp: number;
};

/**
 * Liveness check - indicates if the service is running.
 * @returns A LivenessResult object.
 */
export function liveness() {
	return {
		status: 'ok',
		timestamp: Date.now(),
	} as LivenessResult;
}

/**
 * Handler for liveness HTTP requests.
 * @returns A Response object with LivenessResult in JSON format and status 200.
 */
export const handleLiveness = (): Response => {
	return new Response(JSON.stringify(liveness()), {
		status: 200,
		headers: { 'Content-Type': 'application/json' },
	});
};