Bluetooth Connect/Disconnect Test

import Cocoa
import IOBluetooth

class BluetoothDevices {
   func pairedDevices() {
      guard let devices = IOBluetoothDevice.pairedDevices() else {
         print("No devices")
         return
      }

      for item in devices {
         if let device = item as? IOBluetoothDevice {
            print("Name: \(device.name ?? "No Name")")
            print("Paired?: \(device.isPaired())")
            print("Connected: \(device.isConnected())")
            print(device.addressString ?? "No address")
            print("-------------------")
         }
      }
   }

   func getDevice(by name: String) -> IOBluetoothDevice? {
      guard let devices = IOBluetoothDevice.pairedDevices() else {
         print("No devices")
         return nil
      }
      for item in devices {
         if let device = item as? IOBluetoothDevice {
            if let deviceName = device.name {
               if deviceName == name {
                  let foundDevice = device
                  return foundDevice
               }
            }
         }
      }
      return nil
   }
}


class ViewController: NSViewController {

   var selectedDevice: IOBluetoothDevice?

   let btn = NSButton(frame: NSRect(x: 0, y: 0, width: 200, height: 200))
   let btn2 = NSButton(frame: NSRect(x: 201, y: 0, width: 200, height: 200))


   override func viewDidLoad() {
      super.viewDidLoad()

      BluetoothDevices().pairedDevices()
      // Try to select Sony Bluetooth Headphones.
      selectedDevice = BluetoothDevices().getDevice(by: "WH-1000XM3")

      if selectedDevice != nil {
         print("Device Found and Selected")
      }

      btn.title = "Disconnect"
      btn.target = self
      btn.action = #selector(disconnectMe)
      view.addSubview(btn)

      btn2.title = "Connect"
      btn2.target = self
      btn2.action = #selector(connectMe)
      view.addSubview(btn2)
   }

   @objc func disconnectMe() {
      print("Trying to disconnect \(selectedDevice?.name ?? "No name")")
      if let device2Disconnect = selectedDevice {
         device2Disconnect.closeConnection()
      }
   }

   @objc func connectMe() {
      print("Trying to connect \(selectedDevice?.name ?? "No name")")
      if let device2Connect = selectedDevice {
         device2Connect.openConnection()
      }
   }

   override var representedObject: Any? {
      didSet {
         // Update the view, if already loaded.
      }
   }
}