Tusker/Tusker/Screens/Preferences/PreferencesView.swift

//  PreferencesView.swift
//  Tusker
//
//  Created by Shadowfacts on 6/13/19.
//  Copyright © 2019 Shadowfacts. All rights reserved.
//

import SwiftUI

struct PreferencesView : View {
    var currentAccount: LocalData.UserAccountInfo
    @State private var showingLogoutConfirmation = false
    
    var body: some View {
        // workaround: the navigation view is provided by MyProfileTableViewController so that it can inject the Done button
//        NavigationView {
            List {
                Section {
                    Button(action: {
                        self.showingLogoutConfirmation = true
                    }) {
                        Text("Logout")
                    }.alert(isPresented: $showingLogoutConfirmation) {
                        Alert(title: Text("Are you sure you want to logout?"), message: nil, primaryButton: .destructive(Text("Logout"), action: self.logoutPressed), secondaryButton: .cancel())
                    }
                }
                
                Section {
                    NavigationLink(destination: AppearancePrefsView()) {
                        Text("Appearance")
                    }
                    NavigationLink(destination: BehaviorPrefsView()) {
                        Text("Behavior")
                    }
                    NavigationLink(destination: WellnessPrefsView()) {
                        Text("Digital Wellness")
                    }
                    NavigationLink(destination: AdvancedPrefsView()) {
                        Text("Advanced")
                    }
                }
            }
                .listStyle(GroupedListStyle())
                .navigationBarTitle(Text("Preferences"), displayMode: .inline)
                .onDisappear {
                    // todo: this onDisappear callback is not called in beta 4, check again in beta 5
                    NotificationCenter.default.post(name: .preferencesChanged, object: nil)
                }
//        }
    }
    
    func logoutPressed() {
        LocalData.shared.removeAccount(currentAccount)
        NotificationCenter.default.post(name: .userLoggedOut, object: nil)
    }
}

#if DEBUG
struct PreferencesView_Previews : PreviewProvider {
    static var previews: some View {
        let account = LocalData.UserAccountInfo(instanceURL: URL(string: "https://mastodon.social")!, clientID: "clientID", clientSecret: "clientSecret", username: "example", accessToken: "accessToken")
        return PreferencesView(currentAccount: account)
    }
}
#endif