import NFCReader

let reader = Reader<Suica>() // `Nanaco`, `Edy` or `Waon`
reader.read(didBecomeActive: { _ in
    print("didBecomeActive")
}, didDetect: { reader, result in
    switch result {
    case .success(let suica):
        let balance = suica.boardingHistory.first?.balance ?? 0
        reader.setMessage("Your balance is ¥\(balance) .")
    case .failure(let error):
        reader.setMessage("something wrong")
    }
})

let reader = Reader<FeliCa>
reader.read(didDetect: { reader, result in
    switch result {
    case .success(let tag):
        switch tag {
        case .edy(let edy):
            print(edy)
        case .nanaco(let nanaco):
            print(nanaco)
        case .waon(let waon):
            print(waon)
        case .suica(let suica):
            print(suica)
        }
    case .failure(let error):
        print(error)
    }
})

reader.read(didDetect: { reader, result in
    switch result {
    case .success(let suica):
        let balance = suica.boardingHistory.first?.balance ?? 0
        reader.setMessage("Your balance is ¥\(balance) .")
        reader.restartReading() // continue to scan
    case .failure(let error):
        reader.setMessage("something wrong")
        reader.restartReading()
    }
})

var configuration = ReaderConfiguration()
configuration.message.alert = "Hold your iPhone near the Suica."

let reader = Reader<Suica>(configuration: configuration)