/**
 * Converts milliseconds into a human-readable time string with localized units
 * @param {number} milliseconds - The time in milliseconds to convert
 * @param {Object} client - The client object containing translation functionality
 * @param {string} lang - The language code for translations
 * @returns {string} Formatted time string with localized units
 */
function fetchTime(milliseconds, client, lang) {
    if (!Number.isFinite(milliseconds) || milliseconds < 0) {
        throw new Error('Invalid milliseconds value provided');
    }

    const timeUnits = [
        { value: 31536000, key: 'years' },
        { value: 86400, key: 'days' },
        { value: 3600, key: 'hours' },
        { value: 60, key: 'minutes' },
        { value: 1, key: 'seconds' }
    ];

    let remainingSeconds = Math.floor(milliseconds / 1000);
    
    return timeUnits
        .map(({ value, key }) => {
            const unitValue = Math.floor(remainingSeconds / value);
            remainingSeconds %= value;
            return unitValue ? `${unitValue} ${client.translate.get(lang, `Functions.fetchTime.${key}`)},` : '';
        })
        .filter(Boolean)
        .join(' ')
        .trim();
}

module.exports = fetchTime;