LONDON-IOS/GME Remit/Modules/AutoDebitModules/AutoDebit/User Interface/View/AutoDebitViewController.swift

//
//  AutoDebitViewController.swift
//  GME Remit
//
//  Created by Mac on 12/19/18.
//Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import IQKeyboardManagerSwift

class AutoDebitViewController: UIViewController {
  
  struct MultiLanguages {
    let navigationTitle = "auto_debit_title_text".localized()
    let languageUnavailableError = "no_lanugages_available_text".localized()
    let pickerTitle = "select_language_text".localized()
    let cancelText = "cancel_text".localized()
    let deleteTitleText = "auto_debit_delete_confirm_description".localized()
    let confirmationText = "are_you_sure_text".localized()
    let deleteText = "delete_text".localized()
    let editText = "Edit".localized()
    let tokenRenewalText = "token_renewal_text".localized()
    let swipeInfoText = "swift_to_delete_account_text".localized()
  }
  
  // MARK: IBOutlets
  @IBOutlet private weak var tableView: UITableView!
  @IBOutlet private weak var viewAddAccount: UIView!
  @IBOutlet private weak var labelSwipeInfo: UILabel!
  @IBOutlet private weak var tokenRenewalLabel: UILabel!
  
  // MARK: properties
  var presenter: AutoDebitModuleInterface?
  
  var languages: [String] = ["--- Select Language ---"]
  lazy var languageTextField = UITextField(frame: .zero)
  
  var selectedLanguage: KftcLanguage?
  
  private lazy var refreshControl = UIRefreshControl()
  
  private var kftcDetail: KFTCModel? {
    didSet {
      accounts = kftcDetail?.model
      tableView.reloadData()
      
      if languages.count < 2 {
        let originalLanguages = kftcDetail?.languages?.map { $0.value ?? ""}
        languages.append(contentsOf: originalLanguages ?? [])
      }
    }
  }
  
  private var accounts: [Account]? {
    didSet {
      guard
        let account = accounts,
        !account.isEmpty
        else {
          labelSwipeInfo.isHidden = true
          viewAddAccount.isHidden = true
          return
      }
      
      tableView.isHidden = false
      labelSwipeInfo.isHidden = false
      
      labelSwipeInfo.isHidden = false
      viewAddAccount.isHidden = false
    }
  }
  
  private let multiLanguages = MultiLanguages()
  
  // MARK: Life Cycle
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    
    setupNormalNavigation()
    navigationItem.title = multiLanguages.navigationTitle
    
    presenter?.fetchKFTCBankAccountList()
  }
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    setupDelegates()
    
    viewAddAccount.layer.cornerRadius = 5
    
    if self.presentingViewController == nil {
      self.navigationItem.leftBarButtonItem = nil
    }
  }
  
  override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    navigationItem.title = ""
    
    view.endEditing(true)
  }
  
  // MARK: IBAction
  @IBAction func touchAddAccountCellButton(_ sender: UIButton) {
    presenter?.goAddAccount(model: kftcDetail)
  }
  
  private func refreshAccount() {
    alertWithOkCancel(
      type: .normal,
      message: "token_renewal_confirm_text".localized(),
      title: "token_renewal_text".localized(),
      okTitle: "yes_text".localized(),
      cancelTitle: "no_text".localized(),
      okAction: {
        let languagePickerView = UIPickerView()
        languagePickerView.delegate = self
        languagePickerView.dataSource = self
        languagePickerView.backgroundColor = .white
        
        self.languageTextField.inputView = languagePickerView
        self.languageTextField.placeholder = "token_renewal_placeholder_text".localized()
        self.languageTextField.becomeFirstResponder()
        
        self.languageTextField
          .keyboardToolbar
          .doneBarButton
          .setTarget(self, action: #selector(self.editingDidEnd(_:)))
        },
      cancelAction: nil
    )
  }
  
  @IBAction func touchClose(_ sender: UIBarButtonItem) {
//    GMEDB.shared.user.set("", .redirectTo)
    dismiss(animated: true, completion: nil)
  }
  
  @objc func editingDidEnd(_ textField: UITextField) {
    presenter?.goRefreshToken(selectedLanguage: selectedLanguage)
  }
  
  @IBAction
  private func addNewAccount(_ sender: UITapGestureRecognizer) {
    refreshAccount()
  }
  
  // MARK: other functions
  
  private func setupDelegates() {
    tableView.delegate = self
    tableView.dataSource = self
    
    configureText()
    view.addSubview(languageTextField)
  }
  
  private func configureText() {
    tokenRenewalLabel.text = multiLanguages.tokenRenewalText
    labelSwipeInfo.text = multiLanguages.swipeInfoText
  }
}

// MARK: - UITableViewDataSource
extension AutoDebitViewController: UITableViewDataSource {
  func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
    return 82
  }
  
  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return accounts?.count ?? 0
  }
  
  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    guard let cell = tableView.dequeueReusableCell(
      withIdentifier: "AutoDebitTableViewCell",
      for: indexPath
      ) as? AutoDebitTableViewCell else { return UITableViewCell() }
    
    cell.setup(with: accounts?.elementAt(index: indexPath.row))
    
    return cell
  }
}

// MARK: - UITableViewDelegate

extension AutoDebitViewController: UITableViewDelegate {
  func tableView(
    _ tableView: UITableView,
    editActionsForRowAt indexPath: IndexPath
    ) -> [UITableViewRowAction]? {
    let delete = UITableViewRowAction(
      style: .destructive,
      title: multiLanguages.deleteText
    ) { [weak self] (_, indexPath) in
      guard let `self` = self else { return }
      
      self.alertWithOkCancel(
        message: self.multiLanguages.deleteTitleText,
        title: self.multiLanguages.confirmationText,
        okTitle: self.multiLanguages.deleteText,
        okAction: { [weak self] in
          guard let `self` = self else { return }
          
          let email = GMEDB.shared.user.string(.userId) ?? ""
          
          guard let account = self.accounts?.elementAt(index: indexPath.row) else { return }
          
          self.presenter?.deleteKFTCBankAccount(of: email, with: account)
        }
      )
    }
    
    delete.backgroundColor = UIColor.init(hex: "DE333C")
    return [delete]
  }
}

// MARK: - AutoDebitViewInterface

extension AutoDebitViewController: AutoDebitViewInterface {
  func didFailRefreshToken(with error: Error) {
    alert(type: .error, message: error.localizedDescription)
  }
  
  func didDeleteAccount() {
    presenter?.fetchKFTCBankAccountList()
  }
  
  func didFailDeleteAccount(with error: Error) {
    alert(
      type: .error,
      message: error.localizedDescription,
      title: "Failed Delete",
      okAction: nil
    )
  }
  
  func startLoading() {
    showProgressHud()
  }
  
  func endLoading() {
    hideProgressHud()
  }
  
  func setModel(with model: KFTCModel?) {
    kftcDetail = model
  }
  
  func didFailSetModel(with error: Error) {
    alert(
      type: .error, 
      message: error.localizedDescription,
      title: "Failed Fetch KFTC Account List",
      okAction: nil
    )
  }
}

// MARK: - UIPickerViewDelegate
extension AutoDebitViewController: UIPickerViewDelegate {
  func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
    return languages[row]
  }
  
  func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
    if row > 0 {
      selectedLanguage = kftcDetail?.languages?[row - 1]
    }
  }
}

// MARK: - UIPickerViewDataSource
extension AutoDebitViewController: UIPickerViewDataSource {
  func numberOfComponents(in pickerView: UIPickerView) -> Int {
    return 1
  }
  
  func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
    return languages.count
  }
}