//
//  AppDelegate.swift
//  Befund
//
//  Created by Irakli Abetschkhrischwili on 29.04.22.
//  Copyright © 2022 MVZ Dr. Stein und Kollegen. All rights reserved.

import UIKit
import UserNotifications

@main
class AppDelegate: UIResponder, UIApplicationDelegate {

    public static var Session: Core.Models.Session = Core.Models.Session()
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
    {
        
        Initialize(application: application)
        sleep(1)
        return true
    }
    
    /**
     * Initializes the application contexts
     */
    func Initialize(application: UIApplication)
    {
        Core.Log.Initialize()
        Core.Database.Results.CreateDBIfNotExists()
        //let pre = Locale.current.language.languageCode?.identifier
        //Core.Lang.SetLanguage(lang: (pre != "de" ? Core.Lang.Languages.EN :  Core.Lang.Languages.DE))

        //Core.Lang.SetLanguage(lang: .DE)
        AppDelegate.Session.Device = Core.System.GetDevice()
        AppDelegate.Session.NotificationGranted = false
    }
    
    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data)
    {
        AppDelegate.Session.Device!.token = deviceToken.map { data in String(format: "%02.2hhx", data) }.joined()
        Core.Log.Info(msg: "Device got a push notification token", namespace: "AppDelegate", method: "application(didRegisterForRemoteNotificationsWithDeviceToken)")
        ViewController.CurrentViewController?.onSessionChanged(session: AppDelegate.Session)
    }
    
    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error)
    {
        AppDelegate.Session.NotificationGranted = false
        let nsError = error as NSError
        if (nsError.code==3010)
        {
            //emulator doesn't support push notification and can't be registered and get device_token.
            //But we need it for test Request where device_token is checked for nil/empty
            AppDelegate.Session.Device!.token = "EmulatorDeviceToken1234567890"
            Core.Log.Info(msg: "Set device token to EmulatorDeviceToken1234567890, because in emulator mode remote notification is not supported. ", namespace: "AppDelegate", method: "application(didFailToRegisterForRemoteNotificationsWithError)")
        }
        else
        {
            AppDelegate.Session.Device!.token = nil
            Core.Log.Critical(err: error, namespace: "AppDelegate", method: "application(didFailToRegisterForRemoteNotificationsWithError)")
        }
        
        if(ViewController.CurrentViewController != nil)
        {
            ViewController.CurrentViewController!.onSessionChanged(session: AppDelegate.Session)
        }
    }
    
    // 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.
    }
}