/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    This is the loading view controller for showing an activity indicator and transitioning to a table of results or

                an error view.

*/

import UIKit

class LoadingViewController: UIViewController {

    @IBOutlet weak var activityIndicator: UIActivityIndicatorView!

    var results = Results()

    var codeSample: CodeSample?

    var error: NSError?

    override func viewDidLoad() {

        super.viewDidLoad()

        activityIndicator.startAnimating()

    }

    // MARK: - Navigation

    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {

        if let spinner = activityIndicator {

            spinner.stopAnimating()

        }

        if segue.identifier == "ShowResult" {

            if let resultsViewController = segue.destinationViewController as? ResultsViewController {

                resultsViewController.codeSample = self.codeSample

                resultsViewController.results = self.results.items.count > 0 ? self.results : Results(items: [NoResults()])

            }

        } else if segue.identifier == "ShowError" {

            if let errorViewController = segue.destinationViewController as? ErrorViewController {

                errorViewController.error = self.error

            }

        }

    }

}