//
//  AppDelegate.swift
//  GetHip
//
//  Created by Okechi on 1/1/16.
//  Copyright (c) 2016 Kroleo. All rights reserved.
//

import UIKit
import CoreData
import CoreLocation

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate , CLLocationManagerDelegate{

    var window: UIWindow?
    // var locationStarted = false
    var locationManager: CLLocationManager!
    var backgroundMode:UIBackgroundTaskIdentifier!
    var app = UIApplication.sharedApplication()
    
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        let userNotificationTypes = UIUserNotificationType.Alert | UIUserNotificationType.Badge | UIUserNotificationType.Sound
        //let settings = UIUserNotificationSettings(forTypes: userNotificationTypes, categories: nil)
        //application.registerUserNotificationSettings(settings)
        //application.registerForRemoteNotifications()
        
        //create new CLLocaationManager
        /*var locationStarted = false
        locationManager.delegate = self*/
        
        Parse.logLevel()
        
        //NSNotificationCenter.defaultCenter().addObserver(self, selector: "receiveWillSendURLRequestNotification:", name: PFNetworkWillSendURLRequestNotification, object: nil)
        //NSNotificationCenter.defaultCenter().addObserver(self, selector: "receiveDidReceiveURLResponseNotification:", name: PFNetworkDidReceiveURLResponseNotification, object: nil)
        
        // Override point for customization after application launch.
        Parse.setApplicationId("OUFlGeqCzg03ZbstGcbskj7UNwp53Y0yad9Fi6I0", clientKey: "xaw0kbAFnBi3zLhT1uSnzrzju56m7CnQJ8hJHW1K")
        PFFacebookUtils.initializeFacebookWithApplicationLaunchOptions(launchOptions);
        
        let paths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)
        print(paths[0])
        
        startSignificantChangeUpdates()
        
        //check if user logged in on app startup
        if(PFUser.currentUser() != nil){
            
            var storyboard = UIStoryboard(name: "Main", bundle: nil)
            
            var initialViewController = storyboard.instantiateViewControllerWithIdentifier("HomeVC") as! HomeScreenViewController
            self.window?.rootViewController = initialViewController
            self.window?.makeKeyAndVisible()
            
        }
        
        return true
    }
    
    func receiveWillSendURLRequestNotification(notification: NSNotification) {
        ParseNetDebug.receiveWillSendURLRequestNotification(notification)
    }
    
    func receiveDidReceiveURLResponseNotification(notification: NSNotification) {
        ParseNetDebug.receiveDidReceiveURLResponseNotification(notification)
    }
    func application(application: UIApplication, openURL url: NSURL, sourceApplication: String?, annotation: AnyObject?) -> Bool {
        return FBSDKApplicationDelegate.sharedInstance().application(application, openURL: url, sourceApplication: sourceApplication, annotation: annotation)
    }
    
    
    
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }
    
    
    func applicationDidEnterBackground(application: UIApplication) {
        locationManager.startUpdatingLocation()
        self.backgroundMode = self.app.beginBackgroundTaskWithExpirationHandler({
            //called 3 secs before time expires
            //kill session and advertiser
            self.app.endBackgroundTask(self.backgroundMode)
            self.backgroundMode = UIBackgroundTaskInvalid
        })
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
        
        //work on reinitializing session
        self.backgroundMode = UIBackgroundTaskInvalid
        FBSDKAppEvents.activateApp()
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
        // Saves changes in the application's managed object context before the application terminates.
        self.saveContext()
    }
    
    //Core Location
    func startSignificantChangeUpdates(){
        
        if(locationManager == nil){
            locationManager = CLLocationManager()
        }
        
        locationManager.delegate = self
        locationManager.startMonitoringSignificantLocationChanges()
    }
    
    func locationManager(manager: CLLocationManager!, didUpdateLocations locations: [AnyObject]!) {
        var location: CLLocation! = locations.last as! CLLocation
        var geo:PFGeoPoint! = PFGeoPoint(location: location)
        
        var query = PFQuery(className: "_User")
        var currentUser = PFUser.currentUser()
        if(currentUser != nil){
            query.whereKey("username", equalTo: (currentUser?.username as String!))
            
            query.getFirstObjectInBackgroundWithBlock({
                (object: PFObject?, error: NSError?) -> Void in
                
                if(error == nil){
                    object?.setObject(geo, forKey: "location")
                    object?.saveInBackground()
                }
            })
        }
        
    }
    
    
    func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
        NSLog("Did register for remote notifications with device token (%@)", deviceToken)
        let installation = PFInstallation.currentInstallation()
        installation.setDeviceTokenFromData(deviceToken)
        installation.channels = ["global"]
        installation.saveInBackground()
    }
    
    func application(application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: NSError) {
        NSLog("Did Fail to register for remote notifications")
        NSLog("%@, %@", error, error.localizedDescription)
    }
    
    func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject]) {
        PFPush.handlePush(userInfo)
    }
    
    
    
    // MARK: - Core Data stack

    lazy var applicationDocumentsDirectory: NSURL = {
        // The directory the application uses to store the Core Data store file. This code uses a directory named "oonyeje.Kroleo.GetHip" in the application's documents Application Support directory.
        let urls = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
        return urls[urls.count-1] as! NSURL
    }()

    lazy var managedObjectModel: NSManagedObjectModel = {
        // The managed object model for the application. This property is not optional. It is a fatal error for the application not to be able to find and load its model.
        let modelURL = NSBundle.mainBundle().URLForResource("GetHip", withExtension: "momd")!
        return NSManagedObjectModel(contentsOfURL: modelURL)!
    }()

    lazy var persistentStoreCoordinator: NSPersistentStoreCoordinator? = {
        // The persistent store coordinator for the application. This implementation creates and return a coordinator, having added 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.
        // Create the coordinator and store
        var coordinator: NSPersistentStoreCoordinator? = NSPersistentStoreCoordinator(managedObjectModel: self.managedObjectModel)
        let url = self.applicationDocumentsDirectory.URLByAppendingPathComponent("GetHip.sqlite")
        var error: NSError? = nil
        var failureReason = "There was an error creating or loading the application's saved data."
        if coordinator!.addPersistentStoreWithType(NSSQLiteStoreType, configuration: nil, URL: url, options: nil, error: &error) == nil {
            coordinator = nil
            // Report any error we got.
            var dict = [String: AnyObject]()
            dict[NSLocalizedDescriptionKey] = "Failed to initialize the application's saved data"
            dict[NSLocalizedFailureReasonErrorKey] = failureReason
            dict[NSUnderlyingErrorKey] = error
            error = NSError(domain: "YOUR_ERROR_DOMAIN", code: 9999, userInfo: dict)
            // Replace this with code to handle the error appropriately.
            // abort() 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.
            NSLog("Unresolved error \(error), \(error!.userInfo)")
            abort()
        }
        
        return coordinator
    }()

    lazy var managedObjectContext: NSManagedObjectContext? = {
        // Returns the managed object context for the application (which is already bound to the persistent store coordinator for the application.) This property is optional since there are legitimate error conditions that could cause the creation of the context to fail.
        let coordinator = self.persistentStoreCoordinator
        if coordinator == nil {
            return nil
        }
        var managedObjectContext = NSManagedObjectContext()
        managedObjectContext.persistentStoreCoordinator = coordinator
        return managedObjectContext
    }()

    // MARK: - Core Data Saving support

    func saveContext () {
        if let moc = self.managedObjectContext {
            var error: NSError? = nil
            if moc.hasChanges && !moc.save(&error) {
                // Replace this implementation with code to handle the error appropriately.
                // abort() 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.
                NSLog("Unresolved error \(error), \(error!.userInfo)")
                abort()
            }
        }
    }

}

