//
//  DesignTokens.swift
//  Prisme
//
//  Author: Simon-Pierre Boucher <contact@spboucher.ai>
//

import SwiftUI

/// Semantic color assigned to an identity container. Stored as a token
/// (not raw color values) so themes can reinterpret it later.
enum ContainerColor: String, Codable, CaseIterable, Sendable {
    case bleu
    case vert
    case orange
    case violet

    var color: Color {
        switch self {
        case .bleu: Color(red: 0.20, green: 0.45, blue: 1.00)
        case .vert: Color(red: 0.18, green: 0.72, blue: 0.42)
        case .orange: Color(red: 1.00, green: 0.56, blue: 0.15)
        case .violet: Color(red: 0.55, green: 0.36, blue: 0.96)
        }
    }

    /// Lighter companion shade, for gradients.
    var secondary: Color {
        switch self {
        case .bleu: Color(red: 0.35, green: 0.78, blue: 1.00)
        case .vert: Color(red: 0.55, green: 0.90, blue: 0.55)
        case .orange: Color(red: 1.00, green: 0.80, blue: 0.30)
        case .violet: Color(red: 0.80, green: 0.50, blue: 1.00)
        }
    }

    var gradient: LinearGradient {
        LinearGradient(
            colors: [color, secondary],
            startPoint: .topLeading,
            endPoint: .bottomTrailing
        )
    }
}

/// Spacing scale. Use these instead of magic numbers in views.
enum Spacing {
    static let xs: CGFloat = 4
    static let s: CGFloat = 8
    static let m: CGFloat = 12
    static let l: CGFloat = 16
    static let xl: CGFloat = 24
}

/// Corner radius scale.
enum Radius {
    static let s: CGFloat = 8
    static let m: CGFloat = 12
    static let l: CGFloat = 20
    static let xl: CGFloat = 26
}