//
//  MainControllerAccountsPopup.swift
//  List
//
//  Created by Saveliy Stavitsky on 7/16/20.
//  Copyright © 2020 Igor Danich. All rights reserved.
//

import UIKit
import WalletFoundation

final class AccountsSelectionViewController: UIViewController {

    @IBOutlet weak var mainStackView: UIStackView!
    @IBOutlet var scrollView: UIScrollView!
    @IBOutlet var stackView: UIStackView!

    @IBOutlet var addAccountButton: UIButton!

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        Accounts().isLocked = true
        self.navigationController >>- {
            $0.setNavigationBarHidden(false, animated: true)
            $0.navigationBar.isTranslucent = true
            $0.navigationBar.backgroundColor = Asset.snow.color
        }
        self.configureView()
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        Accounts().isLocked = false
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.title = L10n.Main.Account.title
        self.navigationItem.leftBarButtonItem = .pop(self, { vc in vc.dismiss(animated: true) })
    }

    func configureView() {
        
        self.stackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
        
        for account in Accounts().collection {
            
            let accountButton = AccountViewSelect()
            accountButton.title = account.name
            accountButton.keyType = "@\(account.keyType)"
            accountButton.didTapRemove = { [weak self]_ in
                guard let self else { return }
                Alert.system(
                    text: L10n.Main.Account.remove,
                    actions: [
                        .yes {
                            Accounts().remove(wallet: account)
                            self.configureView()
                            
                            // PAYCASH-NEW
                            if !Accounts().current.isExist {
                                self.mainController.showWalletBoarding()
                            }
                        }, .no
                    ], in: self
                )
            }
            
            accountButton.didTapReveal = { [weak self]_ in
                guard let self else { return }
                AccountController.showPrivateKeyPopup(in: self, wallet: account)
            }
            
            accountButton.completion = { [weak self] accountButton in
                guard let self else { return }
                UIView.animate(withDuration: .slowest) {
                    self.stackView.arrangedSubviews
                        .compactMap({ $0 as? AccountViewSelect })
                        .forEach({ $0.isActive = false })
                    accountButton.isActive = true
                    self.view.layoutIfNeeded()
                }
                Accounts().current = account
                self.mainController.content.pop(animated: true)
            }

            accountButton.isActive = account.name == Accounts().current?.name
            self.stackView.addArrangedSubview(accountButton)
            
            let currentAccount = Accounts().current
            let isActiveAccount = account.name == currentAccount?.name && account.keyType == currentAccount?.keyType
            accountButton.isActive = isActiveAccount
        }
        
        self.scrollView.layoutIfNeeded()
    }

    @IBAction func addAccountPressed(_ sender: Any) {
        AccountController.showPopup(in: self)
    }
}