CodableColor.swift

import SwiftUI

extension CGColor {
    static let black = CGColor(red: 0, green: 0, blue: 0, alpha: 1)
    static let white = CGColor(red: 1, green: 1, blue: 1, alpha: 1)
}

struct CodableColor: Codable {
    static let black = CodableColor(cgColor: CGColor.black)
    static let white = CodableColor(cgColor: CGColor.white)
    
    let colorSpace: String
    let components: [CGFloat]
    
    var cgColor: CGColor {
        guard let colorSpace = CGColorSpace(name: colorSpace as CFString),
              let cgColor = CGColor(colorSpace: colorSpace, components: components) else {
            return CGColor.white
        }
        
        return cgColor
    }
    
    var color: Color {
        Color(cgColor: cgColor)
    }
    
    enum CodingKeys: String, CodingKey {
        case colorSpace
        case components
    }
    
    init(cgColor: CGColor) {
        self.colorSpace = cgColor.colorSpace?.name as? String ?? CGColorSpace.sRGB as String
        self.components = cgColor.components ?? []
    }
    
    init(_ color: Color.Resolved) {
        self.init(cgColor: color.cgColor)
    }
    
    init(
        red: CGFloat,
        green: CGFloat,
        blue: CGFloat,
        opacity: CGFloat
    ) {
        self.colorSpace = CGColorSpace.sRGB as String
        self.components = [red, green, blue, opacity]
    }
}