//
//  SendMoneyVerificationViewController.swift
//  GMERemittance
//
//  Created by gme_2 on 28/08/2018.
//Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class SendMoneyVerificationViewController: UITableViewController {
  
  struct StringConstants {
    let recieverDetails = "reciever_details_text".localized()
    let transactionDetails = "transaction_detail_text".localized()
    let readNAgreeText = "i_have_read_to_text".localized()
    let userAgreementText = "1. "+"gme_user_aggreement_text".localized()
    let fraudWarningText = "2. "+"GME_fraud_warning_text".localized()
    let agreeAndSendText = "agree_and_send_text".localized()
  }
  
  // MARK: IBOutlets
  
  // Recievers Details
  @IBOutlet weak var fullNameLabel: UILabel!
  @IBOutlet weak var addressLabel: UILabel!
  @IBOutlet weak var countryLabel: UILabel!
  @IBOutlet weak var mobileLabel: UILabel!
  
  @IBOutlet weak var fullNameTitleLabel: UILabel!
  @IBOutlet weak var addressTitleLabel: UILabel!
  @IBOutlet weak var countryTitleLabel: UILabel!
  @IBOutlet weak var mobileTitleLabel: UILabel!
  
  // Transation Details
  @IBOutlet weak var payoutCountryLabel: UILabel!
  @IBOutlet weak var payoutModeLabel: UILabel!
  @IBOutlet weak var payingAmountLabel: UILabel!
  @IBOutlet weak var exchangeRateLabel: UILabel!
  @IBOutlet weak var serviceChargeLabel: UILabel!
  @IBOutlet weak var payoutAgentBankLabel: UILabel!
  @IBOutlet weak var accountNoLabel: UILabel!
  
  @IBOutlet weak var payoutCountryTitleLabel: UILabel!
  @IBOutlet weak var payoutModeTitleLabel: UILabel!
  @IBOutlet weak var payingAmountTitleLabel: UILabel!
  @IBOutlet weak var exchangeRateTitleLabel: UILabel!
  @IBOutlet weak var serviceChargeTitleLabel: UILabel!
  @IBOutlet weak var payoutAgentBankTitleLabel: UILabel!
  @IBOutlet weak var accountNumTitlelabel: UILabel!
  
  // title labels
  @IBOutlet weak var recieverDetailsLabel: UILabel!
  @IBOutlet weak var transactionDetailsLabel: UILabel!
  @IBOutlet weak var readAndAgreeTextLabel: UILabel!
  @IBOutlet weak var userAgreementButton: UIButton!
  @IBOutlet weak var fraudWarningButton: UIButton!
  
  @IBOutlet weak var agreeAndSendButton: UIButton!
  
  @IBOutlet weak var bankNameStackView: UIStackView!
  @IBOutlet weak var accountNumberStackView: UIStackView!
  
  var url: String?
  
  var isUsingBiometricAuth = false {
    didSet {
      self.requestModel?.isUseBiometric = isUsingBiometricAuth
    }
  }
  
  // MARK: Properties
  
  var presenter: SendMoneyVerificationModuleInterface?
  var reciepient: Recipient?
  var requestModel: SendMoneyRequestModel?
  weak var hudDelegate: HUDStatusDelegate?
  
  
  var password: String? {
    didSet {
      guard
        let model = self.requestModel,
        let reciepient = self.reciepient,
        let password = self.password,
        password != ""
        else {
          return
      }
      model.transactionPassword = password
      self.presenter?.submit(model: model, reciepient: reciepient)
    }
  }
  
  // MARK: VC's Life cycle
  override func viewDidLoad() {
    super.viewDidLoad()
    self.setup()
    self.configureLanguage()
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    self.navigationItem.title = "resend_money_text".localized()
    populateRecieversInformations()
    populateTransactionDetails()
    
    self.bankNameStackView.isHidden = (self.requestModel?.bank?.name ?? "").isEmpty
    self.accountNumberStackView.isHidden = (self.requestModel?.paymemtMode?.accountNumber ?? "").isEmpty
  }
  
  override func viewDidDisappear(_ animated: Bool) {
    super.viewDidDisappear(animated)
  }
  
  override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    return UITableView.automaticDimension
  }
  
  override func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
    return 200
  }
  
  // MARK: IBActions
  @IBAction func showUserAgreement(_ sender: UIButton) {
    guard let webController = UIStoryboard(name: "Storyboard", bundle: nil)
      .instantiateViewController(withIdentifier: "WebLinksViewController") as? WebLinksViewController
      else { return }
    
    webController.titleString = "User Agreement"
    webController.url = self.url ?? "https://online.gmeremit.com/Terms"
    let nav = UINavigationController.init(rootViewController: webController)
    self.present(nav, animated: true, completion: nil)
  }
  
  @IBAction func submit(_ sender: UIButton) {
    self.askPassword()
  }
  
  // MARK: Other Functions
  
  private func setup() {
    configureLanguage()
    
    agreeAndSendButton.layer.cornerRadius = 5
    agreeAndSendButton.backgroundColor = .themeRed
    agreeAndSendButton.titleLabel?.font = .sanfrancisco(.medium, size: 18)
    
    recieverDetailsLabel.textColor = .themeRed
    transactionDetailsLabel.textColor = .themeRed
    userAgreementButton.setTitleColor(.themeRed, for: .normal)
  }
  
  private func configureLanguage() {
    self.fullNameTitleLabel.text = "full_name_text".localized()
    self.addressTitleLabel.text = "address_text".localized()
    self.countryTitleLabel.text = "country_text".localized()
    self.mobileTitleLabel.text = "mobile_text".localized()
    self.payoutCountryTitleLabel.text = "payout_country_text".localized()
    self.payoutModeTitleLabel.text = "payout_mode_text".localized()
    self.payingAmountTitleLabel.text = "paying_amount_text".localized()
    self.exchangeRateTitleLabel.text = "exchange_rate_text".localized()
    self.serviceChargeTitleLabel.text = "service_charge_text".localized()
    self.payoutAgentBankTitleLabel.text = "payout_agent_text".localized()
    self.recieverDetailsLabel.text = StringConstants().recieverDetails
    self.transactionDetailsLabel.text = StringConstants().transactionDetails
    self.readAndAgreeTextLabel.text = StringConstants().readNAgreeText
    self.userAgreementButton.setTitle(StringConstants().userAgreementText, for: .normal)
    self.fraudWarningButton.setTitle(StringConstants().fraudWarningText, for: .normal)
    self.agreeAndSendButton.setTitle(StringConstants().agreeAndSendText
      , for: .normal)
  }
  
  private func populateRecieversInformations() {
    self.fullNameLabel.text = self.reciepient?.fullName
    self.addressLabel.text = self.reciepient?.address
    self.countryLabel.text = self.reciepient?.country
    self.mobileLabel.text = self.reciepient?.mobile
  }
  
  private func populateTransactionDetails() {
    self.payoutCountryLabel.text = self.reciepient?.country
    self.payoutModeLabel.text = self.requestModel?.paymemtMode?.mode
    self.payingAmountLabel.text =  (self.requestModel?.exchangeRateDetail?.recipientAmount ?? "") +
    " \(self.requestModel?.exchangeRateDetail?.reciepientCurrency ?? "")"
    
    self.exchangeRateLabel.text = self.requestModel?.exchangeRateDetail?.exchangeRate
    
    self.serviceChargeLabel.text = self.requestModel?.exchangeRateDetail?.discountedServiceFee
    
    self.payoutAgentBankLabel.text = self.requestModel?.bank?.name
    self.accountNoLabel.text = self.requestModel?.paymemtMode?.accountNumber
  }
  
  func showSecureKeypad() {
    let secureKeypad = SecureKeypad(target: self)
    secureKeypad.delegate = self
    secureKeypad.present(animated: true)
  }
  
  func askPassword() {
    
    if (self.requestModel?.autoDebitAccount?.type ?? "").lowercased() == "wallet" {
      
      if let isUseBiometric = KeyChain.shared.get(key: .biometricAuth), isUseBiometric == "1" {
        let biometricAuthenticationWireframe = BiometricAuthenticationWireframe()
        biometricAuthenticationWireframe.openWithDelegate(on: self, delegate: self)
      } else {
        showSecureKeypad()
      }
    } else {
      if let isUseBiometric = KeyChain.shared.get(key: .biometricAuth), isUseBiometric == "1" {
        let biometricAuthenticationWireframe = BiometricAuthenticationWireframe()
        biometricAuthenticationWireframe.openWithDelegate(on: self, delegate: self)
      } else {
        
        isUsingBiometricAuth = false
        SendMoneyCodeWireframe().open(
          newValue: "",
          requestmodel: self.requestModel,
          completion: self.otpEntered,
          source: self
        )
      }
    }
  }
  
  func otpEntered(otp: String) {
    self.password = otp
  }
  
}

// MARK: SendMoneyVerificationViewInterface
extension SendMoneyVerificationViewController: SendMoneyVerificationViewInterface {
  func show(model: SendMoneySubmitModelContainer?) {
    guard let message = model?.message, let expectedPoint = model?.extra2 else {
      return
    }
    let successMessage =
    "\(message)\n(\("estimated_earning_points_text".localized()): \(expectedPoint.likeCommaMoney() ?? "0"))"
    
    self.alertWithOk(
      type: .success,
      message: successMessage,
      title: "Success",
      okTitle: "OK"
    ) {
      if let id = model?.id {
        self.presenter?.openReciept(transactionId: id)
      } else {
        self.alert(type: .error, message: "No Transaction recievied.")
      }
    }
  }
  
  func show(error: String) {
    //        self.presenter?.openReciept(transactionId:  "1235")
    if isUsingBiometricAuth {
      if error.contains("Invalid Password") {
        MainWireframe
          .logoutWarningAlert(message: "It is different from registered password.\nplease try to login again")
        
      }
    }
    
    self.alert(type: .error, message: error)
  }
  
  func showLoading() {
    if hudDelegate != nil {
      self.hudDelegate?.showLoading()
    } else {
      self.showProgressHud()
    }
    
  }
  
  func hideLoading() {
    self.hudDelegate?.hideLoading()
    self.hideProgressHud()
  }
}

extension SendMoneyVerificationViewController {
  override func didMove(toParent parent: UIViewController?) {
    self.viewWillAppear(true)
  }
}

// MARK: - BiometricAuthenticationViewControllerDelegate
extension SendMoneyVerificationViewController: BiometricAuthenticationViewControllerDelegate {
  
  func viewController(
    _ viewController: BiometricAuthenticationViewController,
    informationTitleLabel titleLabel: UILabel,
    authenticationButton button: UIButton
  ) {
    titleLabel.text = "bio_sendmoney_intro_text".localized()
    button.setTitle("send_money_text".localized(), for: .normal)
  }
  
  func didComplete(_ viewController: BiometricAuthenticationViewController) {
    self.isUsingBiometricAuth = true
    viewController.dismiss(animated: true) {
      guard let encryptedPW = KeyChain.shared.get(key: .password) else {
        MainWireframe.logoutWarningAlert(message: "To use biometrics authentication you have to login again.")
        return
      }
      self.password = encryptedPW
    }
  }
  
  func viewController(
    _ viewController: BiometricAuthenticationViewController,
    didFailWithError error: BiometricAuthenticationError,
    errorMessage: String?
  ) {
    print("BiometricAuthenticationWireframe Error: \(errorMessage ?? "")")
    viewController.dismiss(animated: true) {
      
      switch error {
      case .userFallback:
        self.isUsingBiometricAuth = false
        guard let type = self.requestModel?.autoDebitAccount?.type else {
          return
        }
        
        switch type {
        case "autodebit":
          SendMoneyCodeWireframe().open(
            newValue: "",
            requestmodel: self.requestModel,
            completion: self.otpEntered,
            source: self
          )
        case "wallet":
          self.showSecureKeypad()
        default:
          break
        }
      case .biometryNotEnrolled, .notBeConfigured, .biometryNotAvailable:
        self.alert(type: .error, message: error.message)
      default:
        break
      }
    }
  }
  
  func doSelectLocalAuthenticationPolicy(
    _ viewController: BiometricAuthenticationViewController
  ) -> BiometricAuthenticationPolicy {
    return .deviceOwnerAuthenticationWithBiometrics
  }
}

extension SendMoneyVerificationViewController: SecureKeypadDelegate {
  func didComplete(_ encryptedString: String, garbagePassword: String, length: Int) {
    self.password = encryptedString
  }
}