//
//  AccountUIViewController.swift
//  List
//
//  Created by Igor Danich on 25.06.2020.
//  Copyright © 2020 Igor Danich. All rights reserved.
//

import UIKit
import WalletKit

class AccountController: UIViewController {
    
    typealias Completion = (WalletType) -> Void
    
    enum WalletType {
        case new
        case key
        case failed
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        navigationItem.title = "Account"
    }

}

extension AccountController {
    static func showPopup(in viewController: UIViewController, completion: Completion? = nil) {
        let ctrl = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
        // Add Private key
        ctrl.addAction(.init(title: L10n.Account.Alert.manual, style: .default) { _ in
            let manualController = StoryboardScene.Account.manual.instantiate()
            let ctrl = UINavigationController(rootViewController: manualController)
            manualController.privateKeyHasBeenProcessed = {
                ctrl.dismiss(animated: true)
            }
            ctrl.modalPresentationStyle = .fullScreen
            viewController.present(ctrl, animated: true)
            
            completion?(.key)
        })

        // Create new one
        ctrl.addAction(.init(title: L10n.Account.Alert.create, style: .default) { _ in
            Task {
                do {
                    let vc = try await AttestateWalletService.createController()
                    let navVc = UINavigationController(rootViewController: vc)
                    navVc.view.backgroundColor = .white
                    navVc.modalPresentationStyle = .fullScreen
                    DispatchQueue.main.async {
                        viewController.present(navVc, animated: true)
                        completion?(.new)
                    }
                } catch {
                    Popup.show(title: "account.create.error.title".localized,
                               description: "account.create.error.description".localized,
                               submit: "account.create.error.button.title".localized,
                               submitStyle: .primary) { ctrl in
                        ctrl.dismiss(animated: true, completion: nil)
                        completion?(.failed)
                    }
                }
            }
        })

        ctrl.addAction(.init(title: L10n.Common.Button.cancel, style: .cancel, handler: nil))
        viewController.present(ctrl, animated: true)
    }
    
    static func showPrivateKeyPopup(in viewController: UIViewController, wallet: WalletKit.Wallet) {
        Alert.system(
            actions: [
                .init(title: L10n.Main.Account.export, style: .default) { _ in
                    Account.Service.Authorize.shared.update(password: nil)
                    AccountViewAuthorize.showGetPrivateKey(in: viewController, description: L10n.Main.Account.exportDescription) {
                        let ctrl = AccountViewControllerPrivateKey()
                        ctrl.subView.keyLbl.lzText = $0
                        ctrl.subView.qrImgView.image = $0.generateQRCode()
                        viewController.mainController.content.push(ctrl, animated: true)
                    }
                },
                .init(title: L10n.Main.Account.change, style: .default) { _ in
                    
                    Account.Service.Authorize.shared.update(password: nil)
                    AccountViewAuthorize.showGetPrivateKey(in: viewController, description: L10n.Main.Account.exportDescription) {
                        let changeKeyController = StoryboardScene.Account.changeKey.instantiate()
                        changeKeyController.wallet = wallet
                        changeKeyController.privateKey = $0
                        
                        let ctrl = UINavigationController(rootViewController: changeKeyController)
                        ctrl.modalPresentationStyle = .fullScreen
                        viewController.present(ctrl, animated: true)
                    }
                },
                .init(title: L10n.Common.Button.cancel, style: .cancel)
            ],
            style: .actionSheet,
            in: viewController
        )
    }
}