LONDON-IOS/GMERemittance/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

// there is not time to take this to viper archi. so applying mvc here.


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
    // keyboard
    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 = UIFont.init(name: Fonts.Family.regular, size: 14)
        topLabel.textColor = UIColor.init(hex: "4a4a4a")
        self.setupKeyboard()
        self.textFieldNewPassword.delegate = self
        self.textFieldConfirmPassword.delegate = self
        self.textFieldCurrentPassword.delegate = self
        configureLanguage()
    }
    
    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: UIControlState.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(message: message.localizedDescription)
        }
    }
    
    func updatePassword(param: [String: String])  {
        self.updatePassword(params: param, success: { (message) in
            self.alert(message: message, title: StringConstants().successText, okAction: {
                self.navigationController?.popViewController(animated: true)
            })
        }) { (error) in
            self.alert(message: error.localizedDescription)
        }
    }
    
    func setupKeyboard() {
        isShowNumber = false
        isShowQwerty = true
        isTranskeyShowing = false
        let iv: Array<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_IBK_TEST_IONEBANK_20181105_20190531")
    }
    

}

extension ProfileChangePasswordViewController {
    private func isValidPasword(password: String, confirmPassword: String) -> (isValid: Bool, error: String) {
        var error = ""
        var isValid = true
        
        // >= 9, 1 special character, 1 number
//
//        func isValidLength() -> Bool {
//            return password.count >= 9
//        }
//
//        func hasNumber() -> Bool {
//            let characterSet =  CharacterSet.init(charactersIn: "1234567890")
//            return password.rangeOfCharacter(from: characterSet) != nil
//        }
//
//        func hasLetter() -> Bool {
//            let characterSet =  CharacterSet.letters
//            return password.rangeOfCharacter(from: characterSet) != nil
//        }
//
//        func hasSpecialCharacter() -> Bool {
//            let characterSet = CharacterSet.alphanumerics
//            return password.rangeOfCharacter(from: characterSet.inverted) != nil
//        }
//
//
//        func hasUpperCase() -> Bool {
//            let characterSet = CharacterSet.uppercaseLetters
//            return password.rangeOfCharacter(from: characterSet) != nil
//        }
//
        
        
        if password.isEmpty {
            error = error + "\n \(StringConstants().emptyPasswordError)"
            isValid = false
        }
        if confirmPassword.isEmpty {
            error = error + "\n \(StringConstants().emptyPasswordError)"
        }
//        else {
//
//            if !isValidLength() {
//                error = error + "\n \(StringConstants().passwordLengthError)"
//                isValid = false
//                return (isValid, error)
//            }
//
//            let validPassword = hasNumber() && hasLetter() && hasSpecialCharacter() && hasUpperCase()
//
//            if !validPassword {
//                isValid = false
//                error = error + "\n \(StringConstants().passwordLengthError)"
//                return (isValid, error)
//            }
//
//            if password != confirmPassword {
//                error = error + "\n \(StringConstants().passwordMatchError)"
//                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 + "\(StringConstants().emptyPasswordError)";
            isValid = false
        }
        
        let result = self.isValidPasword(password: password, confirmPassword: confirmPassword)
        
        if !result.isValid {
            error = error + result.error
            isValid = false
        }

        
        let _error = NSError.init(domain: "LoginInteractor", code: 0, userInfo: [NSLocalizedDescriptionKey : error])
        return (isValid, _error)
    }
    
}

extension ProfileChangePasswordViewController: UpdatePasswordService {
    
}



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

extension UpdatePasswordService {
    func updatePassword(params: [String: String], success: @escaping (String?) -> (), failure: @escaping (Error) -> ()) {
        let url = baseUrl + "mobile/ChangePassword"
        auth.request(method: .post, url: url, params: params, needsAuthorization: false,  success: { (response: SuccessMessageContainer) in
            if (response.errorCode ?? "") == "1" {
                let error = NSError.init(domain: "Network", code: 0, userInfo: [NSLocalizedDescriptionKey : response.message ?? ""])
                failure(error)
            }else {
                success(response.data?.message)
            }
        }) { (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 {
                self.encryptedPassword = qwertyCipherString
                self.password = "password"
                
            }
            
            if showingConfirmPasswordField {
                confirmPassword = "password"
                self.encryptedConfirmPassword = qwertyCipherString
            }
            
            if showingOldPasswordField {
                oldPassword = "password"
                encryptedOldPassword = qwertyCipherString
            }
            targetView = mQwertyTransKeyView
        }
        
        
        
        if isShowNumber == true{

            
        }
        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_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.showQwertyPasswordTranskeyAction()
            return false
        }
        
        if textField == textFieldConfirmPassword {
            self.showingConfirmPasswordField = true
            self.showQwertyPasswordTranskeyAction()
            return false
        }
        
        if textField == textFieldNewPassword {
            self.showingPasswordField = true
            self.showQwertyPasswordTranskeyAction()
            return false
        }
        return true
    }
}