LONDON-IOS/GME Remit/Modules/Profile/ProfileChangePasswordViewController.swift

//
//  ProfileChangePasswordViewController.swift
//  GMERemittance
//
//  Created by Fm-user on 1/9/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import  Localize_Swift

class ProfileChangePasswordViewController: UIViewController {
  
  struct StringConstants {
    let passwordErrorText = "password_policy_text".localized()
    
    let newPasswordTitleText = "new_password_text".localized()
    let currentPasswordTitleText = "current_password_text".localized()
    let confirmPasswordTitleText = "confirm_password_text".localized()
    let saveText = "save_text".localized()
    let titleText = "change_password_title_text".localized()
    let successText = "success_text".localized()
    let emptyPasswordError = "password_empty_error".localized()
    let confirmPasswordError = "password_confirm_empty_error".localized()
    let passwordLengthError = "password_length_error".localized()
    let passwordPolicy = "password_policy_error".localized()
    let passwordMatchError = "password_match_error".localized()
    
  }
  
  @IBOutlet weak var textFieldCurrentPassword: UITextField!
  @IBOutlet weak var textFieldNewPassword: UITextField!
  @IBOutlet weak var textFieldConfirmPassword: UITextField!
  @IBOutlet weak var topLabel: UILabel!
  @IBOutlet weak var contentView: UIView!
  
  @IBOutlet weak var currentPasswowrdTitleLabel: UILabel!
  @IBOutlet weak var newPasswordTitleLabel: UILabel!
  @IBOutlet weak var confirmPasswordTitlelabel: UILabel!
  @IBOutlet weak var saveButton: UIButton!
  
  // MARK: - Properties
    var mQwertyTransKeyView : TransKeyView?
  var mNumberTransKeyView : TransKeyView?
  
  var secureKey : NSData!
  var numberCipherString : String!
  var qwertyCipherString : String!
  
  var isTranskeyShowing : Bool!
  var isShowQwerty : Bool! = true
  var isShowNumber : Bool!
  
  var password: String! {
    didSet {
      self.textFieldNewPassword.text = password
    }
  }
  var encryptedPassword: String!
  
  var confirmPassword: String! {
    didSet {
      self.textFieldConfirmPassword.text = confirmPassword
    }
  }
  
  var oldPassword: String! {
    didSet {
      self.textFieldCurrentPassword.text = oldPassword
    }
  }
  
  var encryptedOldPassword: String!
  var encryptedConfirmPassword: String!
  
  var showingPasswordField = false
  var showingConfirmPasswordField: Bool = false
  var showingOldPasswordField = true
  
  // MARK: Life Cycle
  
  override func viewDidLoad() {
    super.viewDidLoad()
    self.setupNormalNavigation()
    topLabel.font = .sanfrancisco(.regular, size: 14)
    topLabel.textColor = UIColor.init(hex: "4a4a4a")
    self.setupKeyboard()
    self.textFieldNewPassword.delegate = self
    self.textFieldConfirmPassword.delegate = self
    self.textFieldCurrentPassword.delegate = self
    configureLanguage()
    
    saveButton.backgroundColor = .themeRed
    saveButton.layer.cornerRadius = 5
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    self.navigationItem.title =  StringConstants().titleText
  }
  
  override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    self.navigationItem.title = ""
  }
  
  func configureLanguage() {
    self.topLabel.text = "password_policy_text".localized()
    self.textFieldCurrentPassword.placeholder = "current_password_placeholder_text".localized()
    self.textFieldNewPassword.placeholder = "new_password_placeholder_text".localized()
    self.textFieldConfirmPassword.placeholder = "confirm_password_text".localized()
    self.newPasswordTitleLabel.text = "new_password_text".localized()
    self.currentPasswowrdTitleLabel.text = "current_password_placeholder_text".localized()
    self.confirmPasswordTitlelabel.text = "confirm_password_text".localized()
    self.saveButton.setTitle("save_text".localized(), for: UIControl.State.normal)
  }
  
  @IBAction func savePasswordChanges(_ sender: Any) {
    let currentPassword = self.encryptedOldPassword ?? ""
    let newPassword = self.encryptedPassword ?? ""
    let confirmPassword = self.encryptedConfirmPassword ?? ""
    
    let result = self.isValid(
      currentPassword: currentPassword,
      password: newPassword,
      confirmPassword: confirmPassword
    )
    
    if result.isValid {
      let userId = Utility.getMyUserName()
      let param =
        [
          "UserId" : userId,
          "OldPassword": currentPassword,
          "NewPassword": newPassword,
          "ConfirmPassword": confirmPassword
          // todo: send encrypted password
      ]
      self.updatePassword(param: param)
    } else {
      let message = result.error
      self.alert(type: .error, message: message.localizedDescription)
    }
  }
  
  func updatePassword(param: [String: String]) {
    self.updatePassword(
      params: param,
      success: { (message) in
        self.alert(message: message, title: StringConstants().successText, okAction: {
          KeyChain.shared.save(data: self.encryptedPassword, key: .password)
          self.navigationController?.popViewController(animated: true)
        })
      },
      failure: { (error) in
        self.alert(type: .error, message: error.localizedDescription)
      }
    )
  }
  
  func setupKeyboard() {
    isShowNumber = false
    isShowQwerty = true
    isTranskeyShowing = false
    let iv: [String] = [
      "M", "o", "b", "i", "l", "e", "T", "r" , "a", "n", "s", "K", "e", "y", "1", "0"
    ]
    
    secureKey = NSData(bytes: iv, length: 16)
    setQwertyTranskey()
    //        self.showQwertyTranskeyAction()
  }
  
  func setQwertyTranskey() {
    mQwertyTransKeyView = TransKeyView()
    mQwertyTransKeyView?.mTK_Init(self)
    mQwertyTransKeyView?.delegate = self
    mQwertyTransKeyView?.mTK_MakeSecureKey()
    mQwertyTransKeyView?.mTK_Supported(byDeviceOrientation: SupportedByDevicePortrait)
    // ccr key
    mQwertyTransKeyView?.mTK_LicenseCheck("license_mtranskey")
  }
}

extension ProfileChangePasswordViewController {
  private func isValidPasword(password: String, confirmPassword: String) -> (isValid: Bool, error: String) {
    var error = ""
    var isValid = true
    
    if password.isEmpty {
      error = "\(error)\n\(StringConstants().emptyPasswordError)"
      isValid = false
    }
    if confirmPassword.isEmpty {
      error = "\(error)\n\(StringConstants().emptyPasswordError)"
      isValid = false
    }
    
    return (isValid, error)
  }
  // MARK: Converting entities
  
  private func isValid(
    currentPassword: String,
    password: String,
    confirmPassword: String
  ) -> (isValid: Bool, error: Error) {
    var error = ""
    var isValid = true
    // user name
    
    if currentPassword.isEmpty {
      error = "\(error)\n\(StringConstants().emptyPasswordError)"
      isValid = false
    }
    
    let result = self.isValidPasword(password: password, confirmPassword: confirmPassword)
    
    if !result.isValid {
      error = "\(error) \(result.error)"
      isValid = false
    }
    
    let newError = NSError(
      domain: "LoginInteractor",
      code: 0,
      userInfo: [NSLocalizedDescriptionKey : error]
    )
    
    return (isValid, newError)
  }
  
}

extension ProfileChangePasswordViewController: UpdatePasswordService {
  
}

protocol UpdatePasswordService: ApiServiceType {
  func updatePassword(
    params: [String: String],
    success: @escaping (String?) -> Void,
    failure: @escaping (Error) -> Void
  )
}

extension UpdatePasswordService {
  func updatePassword(
    params: [String: String],
    success: @escaping (String?) -> Void,
    failure: @escaping (Error) -> Void
  ) {
    let url = baseUrl + "/mobile/ChangePassword"
    auth.request(
      method: .post,
      url: url,
      params: params,
      needsAuthorization: true,
      success: { (response: SuccessMessageContainer) in
        if (response.errorCode ?? "") == "1" {
          let error = NSError(
            domain: "Network",
            code: 0,
            userInfo: [NSLocalizedDescriptionKey : response.message ?? ""]
          )
          failure(error)
        } else {
          success(response.data?.message)
        }
      },
      failure: { (error) in
        failure(error)
      }
    )
  }
}

extension ProfileChangePasswordViewController: TransKeyViewDelegate {
  func secureInputFinish(_ type: Int) {
    
    var targetView : TransKeyView?
    
    NSLog("qwerty : " + isShowQwerty.description + " number : " + isShowNumber.description)
    if isShowQwerty == true {
      qwertyCipherString = mQwertyTransKeyView?.mTK_GetSecureData()
      
      if showingPasswordField {
        
        if mQwertyTransKeyView?.mTK_GetDataLength()  == 0 {
          self.encryptedPassword = ""
          self.password = ""
        } else {
          self.encryptedPassword = qwertyCipherString
          self.password = "password"
        }
      }
      
      if showingConfirmPasswordField {
        if mQwertyTransKeyView?.mTK_GetDataLength()  == 0 {
          confirmPassword = ""
          self.encryptedConfirmPassword = ""
        } else {
          confirmPassword = "password"
          self.encryptedConfirmPassword = qwertyCipherString
        }
        
      }
      
      if showingOldPasswordField {
        
        if mQwertyTransKeyView?.mTK_GetDataLength()  == 0 {
          oldPassword = ""
          encryptedOldPassword = ""
        } else {
          oldPassword = "password"
          encryptedOldPassword = qwertyCipherString
        }
        
      }
      targetView = mQwertyTransKeyView
    }
    
    isShowQwerty = false
    isShowNumber = false
    isTranskeyShowing = false
    
    targetView?.dismiss(animated: true, completion: nil)
  }
  
  func showQwertyPasswordTranskeyAction() {
    if mQwertyTransKeyView?.isBeingPresented == false {
      isShowQwerty = true
      isTranskeyShowing = true
      
      let hintStr = String(format:"password", 0)
      let font = UIFont(name: "Arial", size: 15)
      
      mQwertyTransKeyView?.mTK_SetHint(hintStr, font: font)
      mQwertyTransKeyView?.mTK_ShowMessageIfMaxLength("16자리 입력이 초과되었습니다.")
      mQwertyTransKeyView?.mTK_UseCursor(true)
      mQwertyTransKeyView?.mTK_UseAllDeleteButton(true)
      mQwertyTransKeyView?.mTK_UseNavigationBar(true)
      mQwertyTransKeyView?.mTK_UseVoiceOver(true)
      mQwertyTransKeyView?.mTK_setHideInputPasswordDelay(3)
      mQwertyTransKeyView?.mTK_SetControlCenter(false)
      mQwertyTransKeyView?.mTK_setIgnoreStatusbar(false)
      //            mQwertyTransKeyView?.mTK_SetLanguage(1)
      mQwertyTransKeyView?.mTK_UseShiftOptional(true)
      mQwertyTransKeyView?.mTK_Supported(byDeviceOrientation: SupportedByDevicePortraitAndLandscape)
      
      mQwertyTransKeyView?.setKeyboardType(
        self,
        keypadType: 0,
        mTK_inputType: 2,
        mTK_inputTitle: "password",
        mTK_cryptType: 0,
        mTK_maxLength: 100,
        mTK_minLength: 0,
        mTK_keypadUpper: false,
        mTK_languageType: 1
      )
      mQwertyTransKeyView?.mTK_EnableSamekeyInputDataEncrypt(false)
      mQwertyTransKeyView?.mTK_SetUseBalloonImageButton(true)
      if let mQwertyTransKeyView = mQwertyTransKeyView {
        self.present(mQwertyTransKeyView, animated: true, completion: nil)
      }
    }
    
  }
}

extension ProfileChangePasswordViewController: UITextFieldDelegate {
  func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
    if textField == textFieldCurrentPassword {
      self.showingOldPasswordField = true
      self.showingConfirmPasswordField = false
      self.showingPasswordField = false
      self.showQwertyPasswordTranskeyAction()
      return false
    }
    
    if textField == textFieldConfirmPassword {
      self.showingConfirmPasswordField = true
      self.showingOldPasswordField = false
      self.showingPasswordField = false
      self.showQwertyPasswordTranskeyAction()
      return false
    }
    
    if textField == textFieldNewPassword {
      self.showingPasswordField = true
      self.showingConfirmPasswordField = false
      self.showingOldPasswordField = false
      self.showQwertyPasswordTranskeyAction()
      return false
    }
    return true
  }
}