Video Tracking

import Permutive_iOS
import AVKit

class VideoPlayerViewController: UIViewController {
    private var mediaTracker: (NSObject & MediaTrackerProtocol)?
    private var player: AVPlayer!

    override func viewDidLoad() {
        super.viewDidLoad()

        let videoProps = try? EventProperties([
            "video": [
                "title": "Sample Video",
                "genre": ["Documentary"],
                "content_type": ["Education"],
                "runtime": 120
            ]
        ])

        // `duration` is a TimeInterval (seconds), not milliseconds.
        mediaTracker = try? Permutive.shared.createVideoTracker(
            duration: 120,  // 2 minutes
            properties: videoProps
        )
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        mediaTracker?.stop()  // Important: Always stop to send VideoCompletion
    }
}

import Permutive_iOS
import AVKit

class VideoPlayerViewController: UIViewController {

    private var mediaTracker: (NSObject & MediaTrackerProtocol)?
    private var player: AVPlayer!
    private var playerObserver: Any?

    override func viewDidLoad() {
        super.viewDidLoad()

        // Set up AVPlayer
        setupPlayer()
    }

    private func setupPlayer() {
        let url = URL(string: "https://example.com/video.mp4")!
        player = AVPlayer(url: url)

        let playerViewController = AVPlayerViewController()
        playerViewController.player = player
        addChild(playerViewController)
        view.addSubview(playerViewController.view)
        playerViewController.view.frame = view.bounds

        // Get duration once available, then set up tracker
        player.currentItem?.asset.loadValuesAsynchronously(forKeys: ["duration"]) { [weak self] in
            guard let self = self,
                  let duration = self.player.currentItem?.duration,
                  !duration.isIndefinite else { return }

            let durationSeconds = CMTimeGetSeconds(duration)

            DispatchQueue.main.async {
                let props = try? EventProperties([
                    "video": [
                        "title": "Introduction to iOS",
                        "genre": ["Educational", "Technology"],
                        "content_type": ["Tutorial"],
                        "age_rating": "G",
                        "runtime": 180,
                        "country": "US",
                        "original_language": "en",
                        "audio_language": "en",
                        "subtitles": ["enabled": false],
                        "iab_categories": ["IAB19"]
                    ],
                    "video_id": "vid_tutorial_001",
                    "is_premium": false
                ])

                let context = Context(
                    title: "iOS Tutorial Page",
                    url: URL(string: "https://example.com/tutorials/ios"),
                    referrer: URL(string: "https://example.com/home")
                )

                self.mediaTracker = try? Permutive.shared.createVideoTracker(
                    duration: durationSeconds,
                    properties: props,
                    context: context
                )
                self.observePlayer()
            }
        }
    }

    private func observePlayer() {
        playerObserver = player.observe(\.timeControlStatus) { [weak self] player, _ in
            switch player.timeControlStatus {
            case .playing:
                self?.mediaTracker?.play()
            case .paused:
                self?.mediaTracker?.pause()
            case .waitingToPlayAtSpecifiedRate:
                break // Buffering
            @unknown default:
                break
            }
        }
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        mediaTracker?.stop()  // Send VideoCompletion event
    }

    deinit {
        if let observer = playerObserver {
            player.removeTimeObserver(observer)
        }
    }
}