BluetoothManager.swift

//
//  BluetoothManager.swift
//

import CoreBluetooth

protocol BluetoothManagerDelegate: AnyObject {
    func didErrorReceived(manager: NSObject)
    func didSensorReceived(data: Data, rssi: Int)
}

class BluetoothManager: NSObject {
    weak var delegate: BluetoothManagerDelegate?

    var centralManager: CBCentralManager!

    let kCBAdvDataManufacturerData = "kCBAdvDataManufacturerData"
    let kCBAdvDataLocalName        = "kCBAdvDataLocalName"

    init(delegate: BluetoothManagerDelegate) {
        self.delegate = delegate
    }

    func start() {
        self.centralManager = CBCentralManager(delegate: self, queue: DispatchQueue(label: "com.albertopasca.blequeue"))
    }

    func stop() {
        self.centralManager.stopScan()
    }
}

extension BluetoothManager: CBCentralManagerDelegate {

    func centralManagerDidUpdateState(_ central: CBCentralManager) {
        if central.state != .poweredOn {
            delegate?.didErrorReceived(manager: self)
        } else {
            centralManager.scanForPeripherals(withServices: nil, options: nil)
        }
    }

    func centralManager(_ central: CBCentralManager,
                        didDiscover peripheral: CBPeripheral,
                        advertisementData: [String: Any], rssi RSSI: NSNumber) {

        print( advertisementData )
    }
}