Human-friendly Textual Date Representation

func totime(time: Double) -> (String) {

var timex = time

var fancytime: String = "a while"

if time < 61 {
    fancytime = "\(timex)s"
} else if time < 3601 {
    timex = timex/60
    timex = round(timex)
    fancytime = "\(timex)m"
} else if time < 86401 {
    timex = timex/3600
    timex = round(timex)
    fancytime = "\(timex)h"
} else if Double(time) < 3.15576E+07 {
    timex = timex/86400
    timex = round(timex)
    fancytime = "\(timex)d"
} else {
    fancytime = "more than one year"
}

fancytime = fancytime.stringByReplacingOccurrencesOfString(".0", withString: "")

return fancytime
}