import AppKit
import SwiftUI

extension NSColor {
    convenience init(hex: UInt32) {
        self.init(
            srgbRed: CGFloat((hex >> 16) & 0xFF) / 255,
            green: CGFloat((hex >> 8) & 0xFF) / 255,
            blue: CGFloat(hex & 0xFF) / 255,
            alpha: 1)
    }
}

extension Color {
    /// A colour that switches between the Aluminium (light) and Graphite (dark) value with the appearance.
    static func dynamic(light: UInt32, dark: UInt32) -> Color {
        Color(nsColor: NSColor(name: nil) { appearance in
            appearance.bestMatch(from: [.darkAqua, .aqua]) == .darkAqua ? NSColor(hex: dark) : NSColor(hex: light)
        })
    }

    /// The same colour in both finishes (shadow bases).
    static func fixed(hex: UInt32) -> Color {
        Color(nsColor: NSColor(hex: hex))
    }
}