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

import UIKit

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
        navigationController?.setNavigationBarHidden(false, animated: true)
        configureView()
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        Accounts().isLocked = false
    }

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

    func configureView() {
        stackView.arrangedSubviews.forEach({ $0.removeFromSuperview() })
        for account in Accounts().collection {
            let accountButton = AccountViewSelect()
            accountButton.title = account.username
            accountButton.keyType = "@\(account.keyType)"
            accountButton.didTapRemove = { [unowned self]_ in
                Alert.system(
                    text: L10n.Main.Account.remove,
                    actions: [
                        .yes {
                            AccountViewAuthorize.showGetPrivateKey(in: self) { _ in
                                Accounts().remove(username: account.username, keyType: account.keyType)
                                self.configureView()
                            }
                        }, .no
                    ], in: self
                )
            }
            accountButton.didTapReveal = { [unowned self]_ in
                AccountController.showPrivateKeyPopup(in: self, account: account)
            }
            accountButton.completion = { [unowned self] accountButton in
                UIView.animate(withDuration: .slowest) {
                    self.stackView.arrangedSubviews
                        .compactMap({ $0 as? AccountViewSelect })
                        .forEach({ $0.isActive = false })
                    accountButton.isActive = true
                    self.view.layoutIfNeeded()
                }
                Accounts().current = account
                mainController.content.pop(animated: true)
            }

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

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