VideoView.swift

import UIKit
import AVKit
import AVFoundation

protocol VideViewDelegate {
    func didEndVideo()
}

class VideoView: UIView {
    
    var playerLayer: AVPlayerLayer?
    var player: AVPlayer?
    var isLoop: Bool = false
    
    var delegate: VideViewDelegate!
    
    override init(frame: CGRect) {
        super.init(frame: frame)
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }
    
    func configure(url: String) {
        guard let path = Bundle.main.path(forResource: url, ofType: "mp4") else { return }
        
        let videoURL = URL(fileURLWithPath: path)
        
        player = AVPlayer(url: videoURL)
        playerLayer = AVPlayerLayer(player: player)
        playerLayer?.frame = bounds
        playerLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
        
        if let playerLayer = self.playerLayer {
            layer.addSublayer(playerLayer)
        }
        
        NotificationCenter.default.addObserver(self, selector: #selector(reachTheEndOfTheVideo), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: self.player?.currentItem)
    }
    
    func destroyMe() {
        stop()
        NotificationCenter.default.removeObserver(self)
    }
    
    func play() {
        if player?.timeControlStatus != AVPlayer.TimeControlStatus.playing {
            player?.play()
        }
    }
    
    func pause() {
        player?.pause()
    }
    
    func stop() {
        player?.pause()
        player?.seek(to: CMTime.zero)
    }
    
    @objc
    func reachTheEndOfTheVideo(_ notification: Notification) {
        if isLoop {
            player?.pause()
            player?.seek(to: CMTime.zero)
            player?.play()
        } else {
            if delegate != nil { delegate.didEndVideo() }
        }
    }
}