MusicPlayerManager.swift

public class MusicPlayerManager: ObservableObject {
    public static let shared = MusicPlayerManager()
    
    public enum PlayMode {
        case random, ordered
    }
    
    @Published public var songs: [String: Song] = [:] {    
    @Published public var currentSong: Song? {
        didSet {
            if let song = currentSong {
                let musicURL = ACNHApiService.makeURL(endpoint: .music(id: song.id))
                player?.pause()
                player = AVPlayer(url: musicURL)
            }
        }
    }
    @Published public var isPlaying = false {
        didSet {
            isPlaying ? player?.play() : player?.pause()
        }
    }
    
    @Published public var playmode = PlayMode.random
    @Published public var duration = "0:00"
    @Published public var timeElasped = "0:00"
    @Published public var playProgress: Float = 0
    
    private var songsCancellable: AnyCancellable?
    private var player: AVPlayer?
    private var timeTimer: Timer?
    
    init() {
        songsCancellable = ACNHApiService
            .fetch(endpoint: .songs)
            .replaceError(with: [:])
            .eraseToAnyPublisher()
            .subscribe(on: DispatchQueue.global())
            .receive(on: DispatchQueue.main)
            .sink(receiveValue: { [weak self] songs in
                self?.songs = songs
            })
    }