//
//  AppDelegate.swift
//  HKCoure
//
//  Created by Sebastian on 2/28/20.
//  Copyright © 2020 Sebastian. All rights reserved.
//

import UIKit
import CoreData
import Firebase

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {



    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        FirebaseApp.configure()
        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.
    }
    
    lazy var persistentContainer: NSPersistentContainer = {
      let container = NSPersistentContainer(name: "CoreData")
      container.loadPersistentStores(completionHandler: {
       (storeDescription, error) in
        print(storeDescription)
      
        if let error = error as NSError? {
          fatalError("Unresolved error \(error), \(error.userInfo)")
        }
      })
      return container
    }()
    func saveContext() {
      let context = persistentContainer.viewContext
      if context.hasChanges {
        do {
          try context.save()
        } catch {
          let err = error as NSError
          fatalError("Unresolved error \(err), \(err.userInfo)")
        }
      }
    }


}

