//
//  SetPrivateKeyViewController.swift
//  Malinka
//
//  Created by Nut.Tech on 29.07.2022.
//

import UIKit

class SetPrivateKeyViewController: UIViewController {
    
    @IBOutlet weak var warningView: CommonViewWarning!
    @IBOutlet var headerTitleLabel: UILabel!
    @IBOutlet private weak var submitBtn: CommonButtonAction!
    
    private let accountService = AccountOnboarding.Service.CreateAccount()
    private let iapService = AccountOnboarding.Service.IAP.shared
    
    var selectedUsername: String = ""
    private var privateKey = try! EOSPrivateKey() // swiftlint:disable:this force_try
    
    @IBOutlet var signalView: UIView!
    @IBOutlet var checkboxButton: UIButton!
    @IBOutlet private weak var usernameView: CommonViewCopy!
    @IBOutlet private weak var privateKeyView: CommonViewCopy!
    
    var showCreateManual: Bool = true
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        title = L10n.Account.Onboarding.freeTitle
        checkboxButton.setImage(Asset.checkboxOff.image, for: .normal)
        
        usernameView.text = selectedUsername
        privateKeyView.text = privateKey.base58
        warningView.makeCritical()
        
        //        submitBtn.lzTitle = L10n.Common.Button.pay(iapService.products.first?.localizedPrice() ?? "")
        submitBtn.lzTitle = L10n.Account.Onboarding.Username.create
        submitBtn.isEnabled = false
        
        if navigationController != nil {
            
            navigationItem.leftBarButtonItem = .pop(self)
            
            navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)
            navigationController?.navigationBar.shadowImage = UIImage()
            navigationController?.navigationBar.isTranslucent = true
        }
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        if Accounts().current != nil, navigationController == nil { 
            self.dismiss(animated: false) 
        }
    }
    
    @IBAction private func onSubmit(_ : AnyObject?) {
        if checkboxButton.image(for: .normal) == Asset.checkboxOff.image {
            UIView.animate(withDuration: 0.3, animations: {
                self.signalView.alpha = 1
            })
            DispatchQueue.main.async {
                UIView.animate(withDuration: 0.3, animations: {
                    self.signalView.alpha = 0
                })
            }
            return
        }
        
        let privateKey = self.privateKey
        let publicKey = privateKey.publicKey
        
        Loader.show(in: self)
        
        // TODO: send wallet registration request
        Loader.hide(in: self)
        self.showErrorPopup()
    }
    
    func repeatPurchase(publicKey: EOSPublicKey, privateKey: EOSPrivateKey) {
        // TODO: repeat wallet registration request (if needed)
        Loader.hide(in: self)
        self.showErrorPopup()
    }
    
    @IBAction func onGenerateKeyClicked(_ sender: Any) {
        // swiftlint:disable force_try
        privateKey = try! EOSPrivateKey()
        privateKeyView.text = privateKey.base58
    }
    
    @IBAction func onUseOwnKeyClicked(_ sender: Any) {
        let view = AccountOnboardingAddPrivateKey()
        view.onSubmit = { privateKey in
            self.privateKey = privateKey
            self.privateKeyView.text = privateKey.base58
            Popup.hide()
            
            Popup.show(title: L10n.Account.Onboarding.Keys.Use.Own.added, views: [
                .field(title: L10n.Account.Onboarding.Username.accountNameTitle, text: self.selectedUsername),
                .field(title: L10n.Account.Onboarding.Keys.Use.Own.privateKeyAdded, text: privateKey.base58)
            ], submit: L10n.Common.Button.continue, in: self)
        }
        
        Popup.show(content: CommonViewControllerViewPopUp(
            title: L10n.Account.Onboarding.Enter.Private.key,
            description: L10n.Account.Onboarding.Keys.Use.Own.description,
            view: view
        ))
    }
    
    @IBAction func onCheckbox(_ sender: Any) {
        signalView.alpha = 0
        if checkboxButton.image(for: .normal) == Asset.checkboxOff.image {
            checkboxButton.setImage(Asset.checkboxOn.image, for: .normal)
            self.submitBtn.isEnabled = true
        } else {
            checkboxButton.setImage(Asset.checkboxOff.image, for: .normal)
            self.submitBtn.isEnabled = false
        }
    }
    
    @IBAction func haveWalletPrssed(_: AnyObject?) {
        let ctrl = UINavigationController(rootViewController: StoryboardScene.Account.manual.instantiate())
        self.navigationController?.pushViewController(ctrl, animated: true)
    }
    
    func showErrorPopup() {
        let views: [UIView] = [
            .field(text: L10n.Account.Onboarding.ErrorAlert.title, textStyle: "regular_16"),
            .field(text: L10n.Account.Onboarding.ErrorAlert.subtitle)
        ]
        
        Popup.show(title: L10n.Account.Onboarding.ErrorAlert.header,
                   views: views,
                   submit: L10n.Common.Button.continue,
                   submitStyle: .primary, in: self) { ctrl in
            ctrl.dismiss(animated: true, completion: nil)
        }
    }
}