export function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

export function formatDuration(timestamp, locale = 'en') {
    let value;
    const diff = (new Date().getTime() - new Date(timestamp).getTime()) / 1000;
    const minutes = Math.floor(diff / 60);
    const hours = Math.floor(minutes / 60);
    const days = Math.floor(hours / 24);
    const months = Math.floor(days / 30);
    const years = Math.floor(months / 12);
    const rtf = new Intl.RelativeTimeFormat(locale, { numeric: 'auto' });

    if (years > 0) {
        value = rtf.format(0 - years, 'year');
    } else if (months > 0) {
        value = rtf.format(0 - months, 'month');
    } else if (days > 0) {
        value = rtf.format(0 - days, 'day');
    } else if (hours > 0) {
        value = rtf.format(0 - hours, 'hour');
    } else if (minutes > 0) {
        value = rtf.format(0 - minutes, 'minute');
    } else {
        value = rtf.format(0 - diff, 'second');
    }

    return `(Submitted ${value})`;
}