import Foundation
import UserNotifications


class APNSAuthManager: ObservableObject {
    let center = UNUserNotificationCenter.current()
    
    func requestAuth() {
        center.requestAuthorization(options: [.alert, .sound, .badge]) { granted, error in
            
            if error != nil {
                // Handle the error here.
            }
            
            print("user allowed")
            
            // Enable or disable features based on the authorization.
        }
    }
    
    func getSetting() {
        center.getNotificationSettings { settings in
            guard (settings.authorizationStatus == .authorized) ||
                  (settings.authorizationStatus == .provisional) else { return }

            if settings.alertSetting == .enabled {
                // Schedule an alert-only notification.
                print("alertSetting")
            } else {
                // Schedule a notification with a badge and sound.
                print("badge and sound")
            }
        }
    }
    
    
    func sendLocalNote() {
        
        // payload
        let content = UNMutableNotificationContent()
        content.title = NSString.localizedUserNotificationString(forKey: "Local Note Title!", arguments: nil)
        content.subtitle = "subtitle"
        content.body = NSString.localizedUserNotificationString(forKey: "Local Note Body", arguments: nil)
        content.sound = .default
        content.badge = 1
        
         
        
        // trigger
        let date = Date().addingTimeInterval(5)
        let dateComponents = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: date)
        let trigger = UNCalendarNotificationTrigger(dateMatching: dateComponents, repeats: false)
        
        
        // request
        let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger) // Schedule the notification.
        center.add(request) { (error : Error?) in
            if error != nil {
                 // Handle any errors
             }
            print("local note sent!")
        }
    }
}

import SwiftUI
import UserNotifications


struct ContentView: View {
    @ObservedObject var manager = APNSAuthManager()

    var body: some View {
        
        Button(action: {
            manager.sendLocalNote()
        }, label: {
            Text("Send the local note")
        })
        
        Text("good")
            .onAppear {
                manager.requestAuth()
                manager.getSetting()
            }
        
    }
}