Hinduja-LMS/LMS/View Controller/AudioViewController.swift

//
//  AudioViewController.swift
//  LMS
//
//  Created by Suraj Kumar Mandal on 24/08/22.
//

import UIKit
import SideMenu
import AVFoundation

class AudioViewController: UIViewController {
    
    @IBOutlet var navigationBar: UINavigationBar!
    @IBOutlet var currentTimeLabel: UILabel!
    @IBOutlet var totalTimeLabel: UILabel!
    @IBOutlet var progressSlider: UISlider!
    @IBOutlet var backwardButton: UIButton!
    @IBOutlet var playButton: UIButton!
    @IBOutlet var forwardButton: UIButton!
    
    var pageName = String()
    var fileId = String()
    
    var player:AVPlayer?
    var playerItem:AVPlayerItem?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        navigationBar.topItem?.title = pageName
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        let url = URL(string: "http://3.7.239.194:8080/\(fileId).mp3")
        let playerItem:AVPlayerItem = AVPlayerItem(url: url!)
        player = AVPlayer(playerItem: playerItem)
        
        let playerLayer=AVPlayerLayer(player: player!)
        playerLayer.frame = CGRect(x:0, y:0, width:10, height:50)
        self.view.layer.addSublayer(playerLayer)
    }
    
    
    /*
     // MARK: - Navigation
     
     // In a storyboard-based application, you will often want to do a little preparation before navigation
     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
     // Get the new view controller using segue.destination.
     // Pass the selected object to the new view controller.
     }
     */
    
    @IBAction func backAction(_ sender: UIBarButtonItem) {
        self.navigationController?.popViewController(animated: true)
    }
    
    @IBAction func playAction(_ sender: UIButton) {
        if player?.rate == 0 {
            player!.play()
            playButton.setImage(UIImage(named: "pause"), for: .normal)
        } else {
            player!.pause()
            playButton.setImage(UIImage(named: "play-button-arrowhead"), for: .normal)
        }
    }
    
    @IBAction func progressAction(_ sender: UISlider) {
        let seconds : Int64 = Int64(sender.value)
        let targetTime:CMTime = CMTimeMake(value: seconds, timescale: 1)
        player!.seek(to: targetTime)
        if player!.rate == 0 {
            player?.play()
        }
    }
    
    
}