function formatDate(timestamp) {
    const days = ["Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"];
    const months = [
        "Januari", "Februari", "Maret", "April", "Mei", "Juni",
        "Juli", "Agustus", "September", "Oktober", "November", "Desember"
    ];
    
    const date = new Date(timestamp);
    const day = days[date.getDay()];
    const dd = String(date.getDate()).padStart(2, '0');
    const mm = months[date.getMonth()];
    const yyyy = date.getFullYear();

    return `${day} ${dd} ${mm} ${yyyy}`;
}

function formatSize(bytes) {
    if (bytes === 0) return '0 B';
    const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
    const i = Math.floor(Math.log(bytes) / Math.log(1024));
    return `${(bytes / Math.pow(1024, i)).toFixed(2)} ${sizes[i]}`;
}

module.exports = {
    formatDate,
    formatSize
}