import Foundation

extension TimeInterval {

    func duration(locale: Locale) -> String {
        let totalMinutes = Int((self / 60).rounded(to: 5))
        let hours = totalMinutes / 60
        let minutes = totalMinutes % 60

        let suffix = locale.identifier.hasPrefix("de") ? "Std" : "h"

        return String(format: "%d:%02d ", hours, minutes) + suffix
    }

    func length(roundingToNearest interval: Double) -> String {
        let rounded = Int(self.rounded(to: interval))
        return "\(rounded) m"
    }

    func energy(roundingToNearest interval: Double) -> String {
        let rounded = Int(self.rounded(to: interval))
        return "\(rounded) kcal"
    }

}