dependencies: [
    .package(url: "https://github.com/verygoodsecurity/vgs-show-ios", .upToNextMajor(from: "1.0.0"))
]

import VGSShowSDK

/// VGSShow instance.
let vgsShow = VGSShow(id: "<VAULT_ID>", environment: .sandbox)

/// VGSShow views.
let cardNumberLabel = VGSLabel()
let expDateLabel = VGSLabel()

override func viewDidLoad() {
    super.viewDidLoad()
    
    /// ...
    
    // Setup content path in reveal response
    cardNumberLabel.contentPath = "cardData.cardNumber"
    expDateLabel.contentPath = "cardData.expDate"

    // Register VGSShow views in vgsShow instance.
    vgsShow.subscribe(cardNumberLabel)
    vgsShow.subscribe(expDateLabel)

    // Configure UI.
    configureUI()
    
    /// ...
}

// Configure VGS Show UI Elements.
private func configureUI() {
    let paddings = UIEdgeInsets.init(top: 8, left: 8, bottom: 8, right: 8)
    let textColor = UIColor.white
    let borderColor = UIColor.clear
    let font = UIFont.systemFont(ofSize: 20)
    let backgroundColor = UIColor.systemBlue
    let cornerRadius: CGFloat = 0

    cardNumberLabel.textColor = textColor
    cardNumberLabel.paddings = paddings
    cardNumberLabel.borderColor = borderColor
    cardNumberLabel.font = font
    cardNumberLabel.backgroundColor = backgroundColor
    cardNumberLabel.layer.cornerRadius = cornerRadius

    expDateLabel.textColor = textColor
    expDateLabel.paddings = paddings
    expDateLabel.borderColor = borderColor
    expDateLabel.font = font
    expDateLabel.backgroundColor = backgroundColor
    expDateLabel.layer.cornerRadius = cornerRadius
    expDateLabel.characterSpacing = 0.83
}
...

func revealData() {

  /// set custom headers
  vgsShow.customHeaders = [
      "custom-header": "custom data"
  ]

  /// send any additional data to your backend
  let customPayload = ["CustomKey" : "CustomValue"]()

  /// make a reveal request
  vgsShow.request(path: "post",
                method: .post,
               payload: customPayload) { (requestResult) in

      switch requestResult {
      case .success(let code):
          self.copyCardNumberButton.isEnabled = true
          print("vgsshow success, code: \(code)")
      case .failure(let code, let error):
          print("vgsshow failed, code: \(code), error: \(error)")
      }
  }
}