/*

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

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    Defines the view controller for the result scene.

*/

import UIKit

import AVKit

import AVFoundation

class ResultViewController: UIViewController {

    // MARK: Properties

    private static let embedSegueName = "playerViewController"

    let player = AVPlayer()

    var outputURL: NSURL? {

        // Update `playerViewController` with new output movie.

        didSet {

            let playerItem: AVPlayerItem?

            if let outputURL = outputURL {

                playerItem = AVPlayerItem(URL: outputURL)

            }

            else {

                playerItem = nil

            }

            player.replaceCurrentItemWithPlayerItem(playerItem)

        }

    }

    // MARK: Segue Handling

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

        if segue.identifier == ResultViewController.embedSegueName {

            // This segue fires before `viewDidLoad()` is invoked.

            let playerViewController = segue.destinationViewController as! AVPlayerViewController

            playerViewController.player = player

        }

        else {

            // Stop playback when transitioning to next scene.

            player.pause()

        }

    }

}