import { formatDistanceToNow, format, differenceInDays } from 'date-fns';

/**
 * Formats a date as relative time (e.g., "2 hours ago") if within 7 days,
 * otherwise returns an absolute date (e.g., "Mar 15").
 */
export function formatRelativeTime(date: Date | string): string {
	const d = typeof date === 'string' ? new Date(date) : date;
	const daysDiff = differenceInDays(new Date(), d);

	if (daysDiff <= 7) {
		return formatDistanceToNow(d, { addSuffix: true });
	}
	return format(d, 'MMM d');
}

/**
 * Formats a date as an absolute timestamp (e.g., "Mar 15, 2024, 3:30 PM").
 */
export function formatAbsoluteTime(date: Date | string): string {
	const d = typeof date === 'string' ? new Date(date) : date;
	return format(d, 'PPpp');
}