import GLib

/// Scheduling priority of a GLib main-loop source. Lower values run first;
/// GLib's default priority is `0`.
nonisolated public struct SourcePriority: RawRepresentable, Hashable, Sendable {
    /// The raw GLib priority value.
    public let rawValue: Int32

    /// Creates a priority from a raw GLib priority value.
    public init(rawValue: Int32) { self.rawValue = rawValue }

    /// `G_PRIORITY_HIGH` (-100). Not used by GLib or GTK itself.
    public static let high = SourcePriority(rawValue: GLib.priorityHigh)

    /// `G_PRIORITY_DEFAULT` (0) - the default for timeouts.
    public static let `default` = SourcePriority(rawValue: GLib.priorityDefault)

    /// `G_PRIORITY_HIGH_IDLE` (100). GTK uses this range for resize and redraw.
    public static let highIdle = SourcePriority(rawValue: GLib.priorityHighIdle)

    /// `G_PRIORITY_DEFAULT_IDLE` (200) - the default for idle callbacks.
    public static let defaultIdle = SourcePriority(rawValue: GLib.priorityDefaultIdle)

    /// `G_PRIORITY_LOW` (300) - very low priority background work.
    public static let low = SourcePriority(rawValue: GLib.priorityLow)
}