class CommunicationManager: CommunicatorDelegate {

  static let shared = CommunicationManager() // Making singleton
  var multiPeerCommunicator: MultiPeerCommunicator!
  var delegate: ManagerDelegate! // Delegate to talk to ViewController

  private init() {
    self.multiPeerCommunicator = MultiPeerCommunicator()  //Setting up the instance of MultiPeerCommunicator
    self.multiPeerCommunicator.delegate = self  // Setting up the delegate
  }

  var listOfBlabbers: [String : Blabber] = [:]

  func didFoundUser(userID: String, userName: String?) {
    // If Blabber already exsists, just making him online:
    if let newBlabber = listOfBlabbers[userID] {
      newBlabber.online = true
    } else {
      // If not adding him to the list:
      let newBlabber = Blabber(id: userID, name: userName)
      newBlabber.online = true
      listOfBlabbers[userID] = newBlabber
    }
    DispatchQueue.main.async {
      self.delegate.globalUpdate()
    }
  }

  func didLostUser(userID: String) {
    if let newBlabber = listOfBlabbers[userID] {
      newBlabber.online = false
      listOfBlabbers.removeValue(forKey: userID)
    }
    DispatchQueue.main.async {
      self.delegate.globalUpdate()
    }
  }

  func failedToStartBrowsingForUsers(error: Error) {
    print(error.localizedDescription)
  }

  func failedToStartAdvertisingForUsers(error: Error) {
    print(error.localizedDescription)
  }

  func didReceiveMessage(text: String, fromUser: String, toUser: String) {


  }


}