AppDelegate.swift

//
//  AppDelegate.swift
//  runway
//
//  Created by Akshaya Jagadeesh on 7/25/20.
//  Copyright © 2020 Akshaya Jagadeesh. All rights reserved.
//

import UIKit
import Firebase
import FirebaseAuth
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

  var window: UIWindow?

  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    // Override point for customization after application launch.
     FirebaseApp.configure()
    
           let authListener = Auth.auth().addStateDidChangeListener { auth, user in
               let storyboard = UIStoryboard(name: "Main", bundle: nil)
               if user != nil {
                   userService.observeUserProfile((user?.uid)!) { userProfile in
                       userService.currentUserProfile = userProfile

                   }
let controller = storyboard.instantiateViewController(withIdentifier: "MainTabBarController") as! UITabBarController
 
                   self.window?.rootViewController = controller
                   self.window?.makeKeyAndVisible()
               } else {
                   userService.currentUserProfile = nil
                   //first page
                   let controller = storyboard.instantiateViewController(withIdentifier: "MenuViewController") as! FeedViewController
                   self.window?.rootViewController = controller
                   self.window?.makeKeyAndVisible()
               }
           }
           return true
  }

  // MARK: UISceneSession Lifecycle

  func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
    // Called when a new scene session is being created.
    // Use this method to select a configuration to create the new scene with.
    return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
  }

  func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
    // Called when the user discards a scene session.
    // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
    // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
  }


}