AppDelegate.swift

//
//  AppDelegate.swift
//  BitSense
//
//  Created by Peter on 8/1/18.
//  Copyright © 2018 Fontaine. All rights reserved.
//

import UIKit
import CoreData

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    
    override func buildMenu(with builder: UIMenuBuilder) {
        super.buildMenu(with: builder)
        builder.remove(menu: .help)
        let helpCommand = UIKeyCommand(input: "H", modifierFlags: [.command], action: #selector(openHelp))
        helpCommand.title = "Fully Noded FAQ"
        let helpMenu = UIMenu(title: "Fully Noded FAQ", image: nil, identifier: UIMenu.Identifier("guide"), options: .displayInline, children: [helpCommand])
        builder.insertChild(helpMenu, atStartOfMenu: .application)
    }
    
    @IBAction func openHelp() {
        UIApplication.shared.open(URL(string: "https://www.fullynoded.app/faq")!)
    }

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        return true
    }

    func applicationWillResignActive(_ application: UIApplication) {}

    func applicationDidEnterBackground(_ application: UIApplication) {}

    func applicationWillEnterForeground(_ application: UIApplication) {
    }

    func applicationDidBecomeActive(_ application: UIApplication) {}

    func applicationWillTerminate(_ application: UIApplication) {
        self.saveContext()
        //CoreDataiCloud.saveContext()
    }

    // MARK: - Core Data stack

    @available(iOS 10.0, *)
    lazy var persistentContainer: NSPersistentContainer = {
        /*
         The persistent container for the application. This implementation
         creates and returns a container, having loaded the store for the
         application to it. This property is optional since there are legitimate
         error conditions that could cause the creation of the store to fail.
        */
        let container = NSPersistentContainer(name: "BitSense")
        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
            if let error = error as NSError? {
                // Replace this implementation with code to handle the error appropriately.
                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                 
                /*
                 Typical reasons for an error here include:
                 * The parent directory does not exist, cannot be created, or disallows writing.
                 * The persistent store is not accessible, due to permissions or data protection when the device is locked.
                 * The device is out of space.
                 * The store could not be migrated to the current model version.
                 Check the error message to determine what the actual problem was.
                 */
                fatalError("Unresolved error \(error), \(error.userInfo)")
            }
        })
        return container
    }()

    // MARK: - Core Data Saving support
    func saveContext () {
        let context = persistentContainer.viewContext
        if context.hasChanges {
            do {
                try context.save()
            } catch {
                // Replace this implementation with code to handle the error appropriately.
                // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                #if DEBUG
                let nserror = error as NSError
                fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
                #endif
            }
        }
    }
}