//
//  SendMoneyCodeViewController.swift
//  GME Remit
//
//  Created by gme_2 on 27/02/2019.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import PMAlertController
import Hex

class SendMoneyCodeViewController: UIViewController {
  
  // MARK: IBOutlets
  @IBOutlet weak var otpCodeTitlelabel: UILabel!
  @IBOutlet weak var titleLabel: UILabel!
  @IBOutlet weak var verificationCodeTextField: UITextField!
  @IBOutlet weak var resendButton: UIButton!
  @IBOutlet weak var submitButton: UIButton!
  @IBOutlet weak var notNowButton: UIButton!
  @IBOutlet weak var counterLabel: UILabel!
  @IBOutlet weak var counterTitleLabel: UILabel!
  @IBOutlet weak var counterStackView: UIStackView!

  @IBOutlet weak var backGourndBorderView: UIView!
  
  var timer: Timer?
  
  let expiryTime = 5 // second
  var count: Int = 5 {
    didSet {
      if ( count <= 0) {
        count = expiryTime // two minutes passed
        self.timer?.invalidate()
        self.counterStackView.isHidden = true
        self.resendButton.isUserInteractionEnabled = true
        self.resendButton.isHidden = false
      } else {
        let result = count.quotientAndRemainder(dividingBy: 60)
        self.counterLabel.text = "\(result.quotient): \(result.remainder)"
        self.resendButton.isUserInteractionEnabled = false
        self.resendButton.isHidden = true
      }
    }
  }
  // MARK: Properties
  
  var mNumberTransKeyView : TransKeyView!
  var numberCipherString : String!
  var presenter: SendMoneyCodeModuleInterface?
  var completion: ((String) -> Void)?
  
  var type: CodeType = .sendMoney
  
  var newValue: String?
  
  private var requestModel: SendMoneyRequestModel?

  var encryptedNumber: String? {
    didSet {
      touchSubmit(UIButton())
    }
  }
  
  var isShowNumber : Bool!
  var isTranskeyShowing : Bool!
  
  // MARK: VC's Life cycle
  
  override func viewDidLoad() {
    super.viewDidLoad()
    self.setup()
    
    switch type {
    case .sendMoney:
      self.requestOtpCode()
    case .editProfile:
      startTimer()
    }
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    
    backGourndBorderView.bottomToOrigin(duration: 0.1)
  }
  
  override func viewDidDisappear(_ animated: Bool) {
    super.viewDidDisappear(animated)
    
  }
  
  // MARK: IBActions
  @IBAction func touchSubmit(_ sender: UIButton) {
    if let number = encryptedNumber {
      self.dismiss(animated: true) {
        self.completion?(number)
      }
    } else {
      alert(type: .error, message: "4-digit OTP code is required.")
    }
  }
  
  // MARK: Other Functions
  
  private func setup() {
    // all setup should be done here
    self.titleLabel.text = "enter_otp_password_text".localized()
    self.verificationCodeTextField.placeholder = "otp_password_hint_text".localized()
    self.resendButton.setTitle("resend_request_text".localized(), for: UIControl.State.normal)
    self.submitButton.setTitle("submit_text".localized(), for: .normal)
    self.notNowButton.setTitle("not_now_text".localized(), for: .normal)
    verificationCodeTextField.delegate = self
    submitButton.layer.cornerRadius = 5
    submitButton.backgroundColor = .themeRed
    resendButton.setTitleColor(.themeRed, for: .normal)
    counterLabel.textColor = .themeRed
    
  }
  
  private func configureText() {
    self.titleLabel.text = "penny_test_promt_description_text".localized()
    self.otpCodeTitlelabel.text = "otp__Code_text".localized()

    self.resendButton.setTitle("resend_text".localized(), for: UIControl.State.normal)
    self.submitButton.setTitle("submit_text".localized(), for: UIControl.State.normal)
    self.notNowButton.setTitle("not_now_text".localized(), for: UIControl.State.normal)
    self.counterTitleLabel.text = "resend_code_text".localized()
    
  }
  
  @IBAction func viewSample(_ sender: Any) {
    self.showSampleImage()
  }
  
  @IBAction func resend(_ sender: Any) {
    switch type {
    case .sendMoney:
      self.requestOtpCode()
    case .editProfile:
      presenter?.changeProfileResendOTP(newValue: newValue ?? "")
    }
  }
  
  @IBAction func dismiss(_ sender: Any) {
    backGourndBorderView.originToBottom(duration: 0.1) {
      self.dismiss()
    }
  }
  
  private func dismiss() {
    
    self.dismiss(animated: true, completion: nil)
    
  }
  
  func showSampleImage() {
    let image = #imageLiteral(resourceName: "penny3.jpg")
    let alertVC = PMAlertController(title: "", description: "", image: image, style: .alert)
    alertVC.alertView.layer.cornerRadius = 5
    let action = PMAlertAction(title: "ok_text".localized(), style: .cancel)
    alertVC.addAction(action)
    self.present(alertVC, animated: true, completion: nil)
  }
  
  // resend
  
  private func requestOtpCode() {
    // request otp
    self.presenter?.viewIsReady()
    self.startTimer()
  }
  
  private func startTimer() {
    self.timer = Timer.scheduledTimer(
      timeInterval: 1,
      target: self,
      selector: #selector(self.updateCounter),
      userInfo: nil,
      repeats: true
    )
    self.timer?.fire()
    self.resendButton.isUserInteractionEnabled = false
    self.counterStackView.isHidden = false
  }
  
  @objc func updateCounter() {
    self.count -= 1
  }
  
  private func requestOtpCodeRetryCount() {
  }
}

// MARK: SendMoneyCodeViewInterface
extension SendMoneyCodeViewController: SendMoneyCodeViewInterface {
  func successChangeProfileInformation() {
    self.alertWithOk(
      type: .success,
      message: "Type 4-digit OTP number",
      title: "new OTP number has re-sent",
      okTitle: "OK"
    )
    startTimer()
  }
  
  func showLoading() {
    self.showProgressHud()
  }
  
  func hideLoading() {
    self.hideProgressHud()
  }
  
  func show(message: String) {
    self.titleLabel.text = message
  }
  
  func show(error: String) {
    self.alert(type: .error, message: error)
  }
  
  func expiredError(error: Error) {
    alert(type: .error, message: error.localizedDescription, title: "Error") {
      self.dismiss()
    }
  }
}

// MARK: - UITextFieldDelegate
extension SendMoneyCodeViewController: UITextFieldDelegate {
  func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
    let secureKeypad = SecureKeypad(target: self, keypadType: .numberic)
    secureKeypad.delegate = self
    secureKeypad.present(animated: true)
    
    return false
  }
}

// MARK: - OtpCodeRequestApiService
extension SendMoneyCodeViewController: OtpCodeRequestApiService {}

// MARK: - SecureKeypadDelegate
extension SendMoneyCodeViewController: SecureKeypadDelegate {
  func didComplete(_ encryptedString: String, garbagePassword: String, length: Int) {
    if length != 0 {
      self.encryptedNumber = encryptedString
    }
  }
}