import CoreGraphics

/// Spacing-Skala für Padding, Margins, Stack-Spacing.
///
/// Tailwind-kompatible Werte. `mana/docs/THEMING.md` definiert die
/// Achse `density` (compact/normal/comfortable) — diese skaliert hier
/// nicht, sondern wird in der App über einen Multiplikator angewandt
/// (siehe `densityScale`).
public enum Spacing {
    /// 4pt — sehr eng
    public static let xxs: CGFloat = 4

    /// 8pt — eng
    public static let xs: CGFloat = 8

    /// 12pt
    public static let sm: CGFloat = 12

    /// 16pt — Standard-Abstand zwischen Elementen
    public static let md: CGFloat = 16

    /// 24pt
    public static let lg: CGFloat = 24

    /// 32pt — Sektion-Abstand
    public static let xl: CGFloat = 32

    /// 48pt — Major-Sektion
    public static let xxl: CGFloat = 48

    /// 64pt
    public static let xxxl: CGFloat = 64
}

/// Multiplikator für die `density`-Achse aus `mana/docs/THEMING.md`.
public enum Density: Sendable {
    case compact
    case normal
    case comfortable

    public var scale: CGFloat {
        switch self {
        case .compact: 0.85
        case .normal: 1.0
        case .comfortable: 1.15
        }
    }
}