如何在swift中创建一个闹钟，让它在某个时间调用一个函数来启动音频流？

<key>NSLocalNotificationUsageDescription</key>
<string>我们需要您的许可来发送本地通知。</string>

import UserNotifications

func scheduleAlarm(at date: Date, withTitle title: String, andBody body: String) {
    let content = UNMutableNotificationContent()
    content.title = title
    content.body = body
    content.sound = UNNotificationSound.default
    
    let triggerDate = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute], from: date)
    let trigger = UNCalendarNotificationTrigger(dateMatching: triggerDate, repeats: false)
    
    let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger)
    
    UNUserNotificationCenter.current().add(request) { error in
        if let error = error {
            print("Error scheduling notification: \(error.localizedDescription)")
        } else {
            print("Notification scheduled successfully")
        }
    }
}

import UIKit
import UserNotifications
import AVFoundation

@main
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {

    var window: UIWindow?
    var audioPlayer: AVAudioPlayer?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        UNUserNotificationCenter.current().delegate = self
        return true
    }

    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        let userInfo = response.notification.request.content.userInfo
        
        if let soundName = userInfo["soundName"] as? String {
            playAudio(named: soundName)
        }
        
        completionHandler()
    }

    func playAudio(named soundName: String) {
        guard let url = Bundle.main.url(forResource: soundName, withExtension: nil) else {
            print("Audio file not found")
            return
        }
        
        do {
            audioPlayer = try AVAudioPlayer(contentsOf: url)
            audioPlayer?.prepareToPlay()
            audioPlayer?.play()
        } catch {
            print("Error playing audio: \(error.localizedDescription)")
        }
    }
}

let alarmDate = Date().addingTimeInterval(60) // 设置为当前时间后60秒
scheduleAlarm(at: alarmDate, withTitle: "闹钟提醒", andBody: "该起床了！")