//
//  P2PControllerCard.swift
//  Wallet
//
//  Created by Igor on 15.12.2020.
//  Copyright © 2020 AM. All rights reserved.
//

import UIKit

class CardsControllerCard: UIViewController {
    
    @IBOutlet private weak var numberTxtFld: CommonTextField!
    @IBOutlet private weak var countryView: CardView!
    @IBOutlet private weak var bankView: CardView!
    @IBOutlet private weak var defaultSwitch: UISwitch!
    @IBOutlet private weak var submitBtn: UIButton!

    var service = Cards.Service.Card()
    
    var completion: ((Cards.Model) -> Void)?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        title = service.number.isEmpty ? L10n.Cards.Card.New.title : L10n.Cards.Card.Edit.title
        navigationItem.leftBarButtonItem = .pop(self)
        submitBtn.lzTitle = service.number.isEmpty ? L10n.Cards.Card.New.submit : L10n.Cards.Card.Edit.submit
        numberTxtFld.value = service.number
        numberTxtFld.keyboardType = .numberPad

        countryView.imageView.image = Asset.p2pCountry.image
        countryView.action = { [weak self] in
            guard let service = self?.service else { return }
            self?.view.endEditing(true)

            let vc = FilterSelectViewController()
            vc.selectionType = .radio
            vc.title = L10n.P2p.Order.Country.topTitle
            
            vc.modelsArray = service.countries
                .map({ FilterItem(id: $0.id, title: $0.name, subtitle: nil) })
            service.country.flatMap { vc.selectedModels.insert(FilterItem(id: $0.id, title: $0.title)) }
            vc.applyButtonAction = {
                service.country = $0.map({ (id: $0.id, title: $0.title) }).first
                self?.navigationController?.popViewController(animated: true)
            }
            self?.navigationController?.pushViewController(vc, animated: true)
        }

        bankView.imageView.image = Asset.p2pBank.image
        bankView.action = { [weak self] in
            guard let service = self?.service else { return }
            self?.view.endEditing(true)

            let vc = FilterSelectViewController()
            vc.selectionType = .radio
            vc.title = L10n.P2p.Order.Bank.topTitle
            
            vc.modelsArray = service.banks
                .map({ FilterItem(id: $0.id, title: $0.name, subtitle: nil) })
            service.bank.flatMap { vc.selectedModels.insert(FilterItem(id: $0.id, title: $0.title)) }
            vc.applyButtonAction = {
                service.bank = $0.map({ (id: $0.id, title: $0.title) }).first
                self?.navigationController?.popViewController(animated: true)
            }
            self?.navigationController?.pushViewController(vc, animated: true)
        }

        defaultSwitch.isOn = service.isDefault
        defaultSwitch.isEnabled = service.isDefaultEditable
        service.didUpdate = { [weak self] in self?.update() }
        service.willReload = { [weak self] in self?.numberTxtFld.isLoading = true }
        service.didReload = { [weak self] in
            self?.numberTxtFld.isLoading = false
        }
        update()
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        Accounts().isLocked = true
    }

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

    override func viewDidLayoutSubviews() {
        super.viewDidLayoutSubviews()
        update()
    }

    private func update() {
        for view in [countryView, bankView] {
            view?.makeShadowStyle()
        }

        numberTxtFld.value = service.number

        countryView.isUserInteractionEnabled = service.canEditCountry
        countryView.rightImageView.image = service.canEditCountry ? Asset.commonMenuHorizontal.image : UIImage()
        if let country = service.country {
            countryView.descriptionLabel.isHidden = false
            countryView.titleLabel.lzText = L10n.P2p.Order.Country.topTitle
            countryView.descriptionLabel.lzText = country.title
        } else {
            countryView.titleLabel.lzText = L10n.P2p.Order.Country.placeholder
            countryView.descriptionLabel.isHidden = true
        }

        bankView.isUserInteractionEnabled = service.canEditBank
        bankView.rightImageView.image = service.canEditBank ? Asset.commonMenuHorizontal.image : UIImage()
        if let bank = service.bank {
            bankView.descriptionLabel.isHidden = false
            bankView.titleLabel.lzText = L10n.P2p.Order.Bank.topTitle
            bankView.descriptionLabel.lzText = bank.title
        } else {
            bankView.titleLabel.lzText = L10n.P2p.Order.Bank.placeholder
            bankView.descriptionLabel.isHidden = true
        }

        submitBtn.isEnabled = service.isValid
    }
    
    @IBAction func onSumbit(_: AnyObject?) {
        service.isDefault = defaultSwitch.isOn
        service.submit()
        completion?(service.card)
        navigationController?.popViewController(animated: true)
    }
    
    @IBAction func onScanCard(_: AnyObject?) {
        let ctrl = StoryboardScene.Cards.scanCard.instantiate()
        ctrl.navigationItem.leftBarButtonItem = .back { [weak self] in
            DispatchQueue.main.async {
                self?.dismiss(animated: true)
            }
        }
        ctrl.navigationItem.title = L10n.Cards.Card.recognize
        ctrl.delegate = self
        
        let navCtrl = UINavigationController(rootViewController: ctrl)
        navCtrl.modalPresentationStyle = .fullScreen
        present(navCtrl, animated: true)
    }
    
}

extension CardsControllerCard: CommonTextFieldDelegate {
    func textFieldDidChange(_ textField: CommonTextField) {
        switch textField {
        case numberTxtFld:
            service.update(number: textField.value)
        default:
            break
        }
    }
}

extension CardsControllerCard: CardsScanViewControllerDelegate {
    
    func creditCardScannerViewController(_ viewController: CardsScanViewController, didErrorWith error: CreditCardScannerError) { }
    
    func creditCardScannerViewController(_ viewController: CardsScanViewController, didFinishWith card: CreditCard) {
        if let number = card.number {
            service.update(number: number)

        }
    }
}