Help Drylendar - View

SettingsView.swift

//
//  SettingsView.swift
//  Drylendar
//
//  Created by François Boulais on 07/03/2022.
//  Copyright © 2022 App Craft Studio. All rights reserved.
//

import Resolver
import SwiftUI

struct SettingsView: View {
    @InjectedObject private var notificationManager: NotificationManager
    
    @State var isNotificationsToggleOn: Bool = true
    @State var pickedDate: Date = {
        var components = DateComponents()
        components.hour = 20
        components.minute = 00
        return components.date ?? .now
    }()
    
    @Environment(\.scenePhase) var scenePhase
    
    var body: some View {
        NavigationView {
            Form {
                Section("Notifications") {
                    Toggle(
                        "Enable Daily Notifications",
                        isOn: $isNotificationsToggleOn.animation()
                    )
                    if isNotificationsToggleOn && notificationManager.authorizationStatus == .authorized {
                        DatePicker(
                            "Reminder Time",
                            selection: $pickedDate,
                            displayedComponents: [.hourAndMinute]
                        )
                    }
                }
                .onAppear(perform: notificationManager.reloadAuthorizationStatus)
                .onChange(of: isNotificationsToggleOn) { isOn in
                    if isOn {
                        if notificationManager.authorizationStatus == .notDetermined {
                            notificationManager.requestAuthorization()
                        }
                    } else {
                        notificationManager.removeScheduledNotifications()
                    }
                }
            }
            .navigationTitle("Notifications")
            .toolbar {
                ToolbarItem(placement: .navigationBarTrailing) {
                    Button("Save") {
                        notificationManager.scheduleNotifications(for: pickedDate)
                    }
                }
            }
        }
        .onChange(of: scenePhase) { scenePhase in
            if scenePhase == .active {
                notificationManager.reloadAuthorizationStatus()
            }
        }
    }
}

struct SettingsView_Previews: PreviewProvider {
    static var previews: some View {
        SettingsView()
    }
}