pub fn to_file_size(size: u64) -> String {
    let mut size = size as f32;
    if size >= 512.0 {
        size /= 1024.0;
    } else {
        return format!("{:.0} Bytes", size);
    }
    if size >= 512.0 {
        size /= 1024.0;
    } else {
        return format!("{:.1} KiB", size);
    }
    if size >= 512.0 {
        size /= 1024.0;
    } else {
        return format!("{:.1} MiB", size);
    }
    if size >= 512.0 {
        size /= 1024.0;
    } else {
        return format!("{:.1} GiB", size);
    }
    format!("{:.1} TiB", size)
}

pub fn to_speed(size: u64, dur: f32) -> String {
    let speed = (size as f32 / dur) as u64;
    to_file_size(speed) + "/s"
}

pub fn to_duration(dur: f32) -> String {
    let secs = dur.floor() as u64;
    let subsecs = dur - dur.floor();
    let hours = secs / 3600;
    let mins = (secs / 60) % 60;
    let secs = (secs % 60) as f32 + subsecs;
    format!("{}:{:02}:{:04.1}", hours, mins, secs)
}