//
//  ViewController.swift
//

import UIKit

class ViewController: UIViewController {
    private let button: UIButton = {
        let button = UIButton(type: .system)
        button.setTitle("Click Me!", for: .normal)
        button.setTitleColor(.black, for: .normal)
        button.backgroundColor = .white
        button.translatesAutoresizingMaskIntoConstraints = false
        return button
    }()
    
    private var fullScreenTransitionManager: FullScreenTransitionManager?

    override func viewDidLoad() {
        super.viewDidLoad()
        
        view.backgroundColor = .systemBackground
        
        view.addSubview(button)
        
        NSLayoutConstraint.activate([
            button.widthAnchor.constraint(equalToConstant: 200),
            button.heightAnchor.constraint(equalToConstant: 200),
            button.centerXAnchor.constraint(equalTo: view.centerXAnchor),
            button.centerYAnchor.constraint(equalTo: view.centerYAnchor)
        ])
        
        button.addTarget(self, action: #selector(presentMyViewController), for: .primaryActionTriggered)
    }

    @objc private func presentMyViewController(_ button: UIButton) {
        let fullScreenTransitionManager = FullScreenTransitionManager(anchorView: button)
        let myViewController = MyViewController()
        myViewController.modalPresentationStyle = .custom
        myViewController.transitioningDelegate = fullScreenTransitionManager
        present(myViewController, animated: true)
        self.fullScreenTransitionManager = fullScreenTransitionManager
    }
}