Facade.swift

/// A Facade for the CBCentralManager.
protocol CentralManager {
    /// The delegate of the central manager.
    var delegate: CBCentralManagerDelegate? { get set }
    /// The state of the central manager.
    var state: CBManagerState { get }
    
    /// Call this function to scan for bluetooth peripherals.
    func scanForPeripherals(withServices serviceUUIDs: [CBUUID]?)

    /// Connect to a peripheral.
    func connect(_ peripheral: Peripheral, options: [String : Any]?)
}

extension CBCentralManager: CentralManager {
    func connect(_ peripheral: Peripheral, options: [String : Any]?) {
        guard let peripheral = peripheral as? CBPeripheral else { fatalError() }
        connect(peripheral, options: nil)
    }
}

/// A Facade for the CBPeripheral.
protocol Peripheral {
    /// The name of the peripheral
    var name: String? { get }
}