// ── Haptic Engine ──────────────────────────────────────────────
// Urgency-mapped haptic feedback patterns

import UIKit

enum HapticEngine {
    /// Haptic for pre-warning
    static func warning(urgency: UrgencyLevel) {
        switch urgency {
        case .critical, .important:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.warning)
        case .standard:
            let generator = UIImpactFeedbackGenerator(style: .medium)
            generator.impactOccurred()
        case .gentle:
            let generator = UIImpactFeedbackGenerator(style: .light)
            generator.impactOccurred()
        case .passive:
            break // no haptic for passive
        }
    }

    /// Haptic for timer fire
    static func fire(urgency: UrgencyLevel) {
        switch urgency {
        case .critical:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.error)
        case .important:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.warning)
        case .standard:
            let generator = UINotificationFeedbackGenerator()
            generator.notificationOccurred(.success)
        case .gentle:
            let generator = UIImpactFeedbackGenerator(style: .light)
            generator.impactOccurred()
        case .passive:
            break
        }
    }

    /// Haptic for button tap
    static func tap() {
        let generator = UIImpactFeedbackGenerator(style: .light)
        generator.impactOccurred()
    }

    /// Haptic for selection change
    static func selection() {
        let generator = UISelectionFeedbackGenerator()
        generator.selectionChanged()
    }
}