//
//  ResourcesQuotaViewController.swift
//  Wallet
//
//  Created by grigori on 28.09.2021.
//  Copyright © 2021 AM. All rights reserved.
//

import Foundation
import UIKit

class ResourcesQuotaViewController: UIViewController {

    @IBOutlet private weak var tokenView: CommonViewCard!
    @IBOutlet private weak var countStackView: UIStackView!
    @IBOutlet private weak var priceLbl: UILabel!
    @IBOutlet private weak var submitBtn: UIButton!

    var service: Resources.Service.Popup.Quota!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.title = L10n.Resources.Setup.Buy.transactions
        
        tokenView.action = .cards(tokens: [])
        service = .init(account: Accounts().current?.name ?? "")
        service.fetch { [weak self] _ in
            self?.preload()
        }
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        Accounts().isLocked = true
    }

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        Accounts().isLocked = false
    }

    private func preload() {
        service.didUpdate = { [weak self] in self?.update() }
        countStackView.arrangedSubviews.forEach({ $0.removeFromSuperview() })
        service.collection.enumerated().forEach({ (idx,element) in
            countStackView.addArrangedSubview(.button(title: "\(element)", size: .small) { [weak self] in
                guard let self else { return }
                self.service.count = self.service.collection[idx]
                self.update()
            })
        })
        update()
    }

    private func update() {
        if tokenView.action?.selected == nil {
            tokenView.action = .cards(tokens: service.tokens, selected: service.token) { [weak self] menu in
                guard let self else { return }
                self.service.token = self.service.tokens.object(menu: menu)
                self.view.layoutIfNeeded()
            }
        }
        countStackView.arrangedSubviews
            .compactMap({ $0 as? CommonButtonAction })
            .enumerated()
            .forEach({ $0.element.style = service.collection[$0.offset] == service.count ? .primary : .secondary })
        priceLbl.attributedText = L10n.Resources.Popup.Transactions.rate("\(service.count)", service.priceStr)
            .attributed(style: .regular, size: 14, color: Asset.textCoal.color)
        submitBtn.isEnabled = service.token?.amount.doubleValue ?? 0.0 >= service.price?.doubleValue ?? 0.0
    }

    @IBAction func onSubmit(_: AnyObject?) {
        submitPopup(price: service.priceStr, trancastions: "\(service.count)")
    }
    
    private func submitPopup(price: String, trancastions: String) {

        let popupTitle = L10n.Resources.Popup.Transactions.subtitle
        let field11 = L10n.Wallet.Send.Amount.send
        let field12 = price
        let field21 = L10n.Wallet.Send.Amount.get
        let field22 = L10n.Resources.Popup.Transactions.amount("\(service.count)")
        
        var views: [UIView] = [
            .label(
                text: popupTitle.attributed(style: .regular, size: 14, color: Asset.textCoal.color),
                numberOfLines: 0
            )
        ]
        views.append(contentsOf:
                        [.field(title: field11, text: field12), .field(title: field21, text: field22)]
        )

        Popup.show(title: L10n.P2p.Order.Confirm.title, views: views, submit: L10n.P2p.Order.Confirm.submit, in: self) { [weak self] ctrl in
            guard let self = self else { return }
            AccountViewAuthorize.showGetPrivateKey(in: self) {
                Loader.show()
                self.service.submit(privateKey: $0) { (error) in
                    Loader.hide()
                    Popup.hide()
                    Alert.notify(error)
                }
            }
        }
    }
}