UIButton+Extension.swift

//
//  UIButton+Extension.swift
//  Nextcloud
//
//  Created by Milen Pivchev on 17.12.24.
//  Copyright © 2024 Marino Faggiana. All rights reserved.
//

extension UIButton {
    func hideButtonAndShowSpinner(tint: UIColor = .white) {
        self.isHidden = true

        let spinnerTag = Int(bitPattern: Unmanaged.passUnretained(self).toOpaque())
        if self.superview?.subviews.first(where: { view -> Bool in
            return view.isKind(of: UIActivityIndicatorView.self) && view.tag == spinnerTag
        }) != nil {
            return
        }

        let spinner = UIActivityIndicatorView(style: .medium)
        spinner.tag = spinnerTag
        spinner.color = tint
        spinner.startAnimating()
        spinner.center = self.center
        self.superview?.addSubview(spinner)
        spinner.translatesAutoresizingMaskIntoConstraints = false
        spinner.centerXAnchor.constraint(equalTo: self.centerXAnchor).isActive = true
        spinner.centerYAnchor.constraint(equalTo: self.centerYAnchor).isActive = true
    }

    func hideSpinnerAndShowButton() {
           let spinnerTag = Int(bitPattern: Unmanaged.passUnretained(self).toOpaque())
           let spinner = self.superview?.subviews.first(where: { view -> Bool in
               return view.isKind(of: UIActivityIndicatorView.self) && view.tag == spinnerTag
           })

           spinner?.removeFromSuperview()
           self.isHidden = false
       }
}