UIViewController+Extension.swift

//
//  UIViewController.swift
//  
//
//  Created by Saish Chachad.
//

import UIKit

extension UIViewController {
  
    /// Alert View: Define Your number of buttons, styles and completion
    /// - Parameters:
    ///   - title: Title for the alert
    ///   - message: Message
    ///   - actionTitles: Action button title array
    ///   - actions: Action button callback function were you can get action of perticuler button

    func showSystemAlert(title: String?,
                         message: String?,
                         alertStyle: UIAlertController.Style = .alert,
                         actionTitles: [String] = ["Ok"],
                         actionStyles: [UIAlertAction.Style] = [.default],
                         actions: [((UIAlertAction) -> Void)] = [({ _ in })]) {

        guard actionTitles.count == actionStyles.count, actionTitles.count == actions.count else {
            Logger.log("*** UIAlertController Error: ActionTitles, actionStyles and actions count must be same ***")
            return
        }
        
        let alertController = UIAlertController(title: title, message: message, preferredStyle: alertStyle)
        for(index, indexTitle) in actionTitles.enumerated() {
            let action = UIAlertAction(title: indexTitle,
                                       style: actionStyles[index],
                                       handler: actions[index])
            alertController.addAction(action)
        }
        self.present(alertController, animated: true)
    }
    
    /// Use this func to load viewcontroller fron xib
    /// - Returns: Viewcontroller instance
    static func loadFromNib() -> Self {
        func instantiateFromNib<T: UIViewController>() -> T {
            return T.init(nibName: String(describing: T.self), bundle: nil)
        }

        return instantiateFromNib()
    }
}