//
//  UIViewControllerExt.swift
//  ExtensionKit
//
//  Created by FFIB on 2017/9/13.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit

//MARK: custom methods extension
extension UIViewController {
    
    public func addChildControllerAndView(_ controller: UIViewController, isNavigable: Bool = true) {
        if isNavigable {
            self.navigationController?.addChildViewController(controller)
            self.navigationController?.view.addSubview(controller.view)
        }else {
            self.addChildViewController(controller)
            self.view.addSubview(controller.view)
        }
    }
    
    public func removeControllerAndViewFromParent() {
        self.removeFromParentViewController()
        self.view.removeFromSuperview()
    }
    
}

//MARK: notification extension
extension UIViewController {
    public func addNotificationObserver(name: Notification.Name, selector: Selector) {
        NotificationCenter.default.addObserver(self, selector: selector, name: name, object: nil)
    }
    
    public func removeNotificationObserver(name: Notification.Name) {
        NotificationCenter.default.removeObserver(self, name: name, object: nil)
    }
    
    public func removeAllNotificationObserver() {
        NotificationCenter.default.removeObserver(self)
    }
}

//MARK: jump extension
extension UIViewController {
    public func popToRootController() {
        navigationController?.popToRootViewController(animated: true)
    }
    
    public func pushController(_ vc: UIViewController) {
        navigationController?.pushViewController(vc, animated: true)
    }
    
    public func popController() {
        navigationController?.popViewController(animated: true)
    }
    
    public func popToController(_ vc: UIViewController) {
        navigationController?.popToViewController(vc, animated: true)
    }
    
    public func presentController(_ vc: UIViewController) {
        present(vc, animated: true, completion: nil)
    }
    
    public func dismissController() {
        dismiss(animated: true, completion: nil)
    }
}

//MARK: navigation lateral spreads to return
extension UIViewController {
    
}