import SwiftUI
import UIKit

struct ActivityIndicator : UIViewRepresentable {
    var animating: Bool
    var hidesWhenStopped = true
    var style: UIActivityIndicatorView.Style = UIActivityIndicatorView.Style.medium

    func makeUIView(context: Context) -> UIActivityIndicatorView {
        let control = UIActivityIndicatorView()

        updateValues(for: control)

        return control
    }

    func updateValues(for uiView: UIActivityIndicatorView) {
        uiView.style = style
        uiView.hidesWhenStopped = hidesWhenStopped
        if animating {
            uiView.startAnimating()
        } else {
            uiView.stopAnimating()
        }
    }

    func updateUIView(_ uiView: UIActivityIndicatorView, context: Context) {
        updateValues(for: uiView)
    }
}