import Foundation
import UserNotifications

enum NotificationService {
    static func requestPermission() async {
        _ = try? await UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge])
    }

    static func show(_ message: KasztelanMessage) async {
        let settings = await UNUserNotificationCenter.current().notificationSettings()
        guard settings.authorizationStatus == .authorized || settings.authorizationStatus == .provisional else { return }
        let content = UNMutableNotificationContent()
        content.title = "KASZTELAN"
        content.subtitle = message.title
        content.sound = .default
        content.threadIdentifier = "kasztelan-messages"
        content.categoryIdentifier = "KASZTELAN_MESSAGE"
        content.userInfo = ["message_id": message.id]
        let request = UNNotificationRequest(identifier: "kasztelan-\(message.id)", content: content, trigger: nil)
        try? await UNUserNotificationCenter.current().add(request)
    }
}