//
//  KeyboardExtension.swift
//  Befund
//
//  Created by Artur Savitskiy on 15.09.22.
//  Copyright © 2022 MVZ Dr. Stein und Kollegen. All rights reserved.
//

import Foundation
import UIKit

extension UIViewController
{
    internal func addDoneToolbar(_ textFields: [UITextField]) {
        let toolbar = generateToolbar()
        
        textFields.forEach { textField in
            textField.inputAccessoryView = toolbar
        }
    }
 
    internal func addDoneToolbar(_ textView: UITextView) {
        let toolbar = generateToolbar()
        
        textView.inputAccessoryView = toolbar
    }
    
    private func generateToolbar() -> UIToolbar
    {
        let toolbar = UIToolbar()
        let flexSpace = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
                                        target: nil, action: nil)
        let doneButton = UIBarButtonItem(title: Core.Lang.Get(key: "BTN_DONE"), style: .done,
                                         target: self, action: #selector(hideKeyboard))
        
        toolbar.setItems([flexSpace, doneButton], animated: true)
        toolbar.sizeToFit()

        return toolbar
    }

    internal func hideKeyboardWhenTappedAround()
    {
        let tap = UITapGestureRecognizer(target: self, action: #selector(hideKeyboard))
        tap.cancelsTouchesInView = false
        view.addGestureRecognizer(tap)
    }
    
    @objc func hideKeyboard()
    {
        self.view.endEditing(true)
    }
}