import UIKit
import AVFoundation

/**
 Returns image with a given name from the resource bundle.
 - Parameter name: Image name.
 - Returns: An image.
 */
func imageNamed(_ name: String) -> UIImage {
  let cls = BarcodeScannerViewController.self
  var bundle = Bundle(for: cls)
  let traitCollection = UITraitCollection(displayScale: 3)

  if let resourceBundle = bundle.resourcePath.flatMap({ Bundle(path: $0 + "/BarcodeScanner.bundle") }) {
    bundle = resourceBundle
  }

  guard let image = UIImage(named: name, in: bundle, compatibleWith: traitCollection) else {
    return UIImage()
  }

  return image
}

/**
 Returns localized string using localization resource bundle.
 - Parameter name: Image name.
 - Returns: An image.
 */
func localizedString(_ key: String) -> String {
  if let path = Bundle(for: BarcodeScannerViewController.self).resourcePath,
    let resourceBundle = Bundle(path: path + "/Localization.bundle") {
    return resourceBundle.localizedString(forKey: key, value: nil, table: "Localizable")
  }
  return key
}

/// Checks if the app is running in Simulator.
var isSimulatorRunning: Bool = {
  #if (arch(i386) || arch(x86_64)) && os(iOS)
    return true
  #else
    return false
  #endif
}()