//
//  AccountControllerTutorial.swift
//  Wallet
//
//  Created by Saveliy Stavitsky on 9/29/20.
//  Copyright © 2020 List. All rights reserved.
//

import UIKit

class AccountControllerTutorial: UIViewController {

    @IBOutlet var pageStackView: UIStackView!

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
//        if Accounts().current != nil {
//            dismiss(animated: true)
//        }
    }

    @IBAction func addAccountPressed(_ sender: Any) {
        UserDefaults.standard.setValue(true, forKey: "onboardingOverviewPassed")
        AccountController.showPopup(in: self)
    }

    @IBAction func skipPressed(_ sender: Any) {
        UserDefaults.standard.setValue(true, forKey: "onboardingOverviewPassed")
        self.dismiss(animated: true)
    }

    var current = -1

}

extension AccountControllerTutorial: UIScrollViewDelegate {

    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        let width = scrollView.frame.width
        let page = Int(round(scrollView.contentOffset.x/width))
        guard current != page else { return }
        current = page
        print("CurrentPage:\(page)")

        UIView.animate(withDuration: 0.3, animations: {
            self.pageStackView.arrangedSubviews
                .forEach({ ($0 as? UIButton)?.setImage(Asset.accountOnboardingStep.image, for: .normal) })
            (self.pageStackView.arrangedSubviews[page] as? UIButton)?
                .setImage(Asset.accountOnboardingCurrentStep.image, for: .normal)
        })
    }
}