add OneTimePassword Screen

@@ -8,11 +8,11 @@
 import UIKit
 
 class CodeVerificationView: UIView {
-    
     var containerView: UIView = {
         var obj = UIView()
         return obj
     }()
+    
     var backButton: UIButton = {
         var obj = UIButton()
         obj.setImage(UIImage(named: "BackPointer"), for: .normal)
@@ -22,16 +22,19 @@ class CodeVerificationView: UIView {
         obj.layer.borderWidth = 1
         return obj
     }()
+    
     var logoImage: UIImageView = {
         var obj = UIImageView()
         obj.image = UIImage(named: "InterQR")
         return obj
     }()
+    
     var shieldImage: UIImageView = {
         var obj = UIImageView()
         obj.image = UIImage(named: "Lock")
         return obj
     }()
+    
     var descriptionLabel: UILabel = {
         var obj = UILabel()
         obj.font = UIFont(name: SkModernistFontType.bold.rawValue, size: 35)
@@ -101,11 +104,13 @@ class CodeVerificationView: UIView {
         obj.isHidden = true
         return obj
     }()
+    
     var verifyButton: UIButton = {
         var obj = UIButton()
         obj.setImage(UIImage(named: "RectangleWithShadow"), for: .normal)
         return obj
     }()
+    
     var verifyLabel: UILabel = {
         var obj = UILabel()
         obj.font = UIFont(name: SkModernistFontType.bold.rawValue, size: 16)
@@ -113,11 +118,13 @@ class CodeVerificationView: UIView {
         obj.text = "Verify"
         return obj
     }()
+    
     var tickImage: UIImageView = {
         var obj = UIImageView()
         obj.image = UIImage(named: "Tick")
         return obj
     }()
+    
     override init(frame: CGRect) {
         super.init(frame: frame)
         layout()
@@ -128,12 +135,13 @@ class CodeVerificationView: UIView {
     }
     
     func layout() {
-        addSubview(textField)
-        
         backgroundColor = .white
+        
+        addSubview(textField)
         addSubview(backButton)
         addSubview(logoImage)
         addSubview(shieldImage)
+        
         addSubview(containerView)
         containerView.addSubview(descriptionLabel)
         containerView.addSubview(firstDigitLabel)
@@ -141,6 +149,7 @@ class CodeVerificationView: UIView {
         containerView.addSubview(thirdDigitLabel)
         containerView.addSubview(fourthDigitLabel)
         containerView.addSubview(errorAlertLabel)
+        
         containerView.addSubview(verifyButton)
         verifyButton.addSubview(verifyLabel)
         verifyButton.addSubview(tickImage)
@@ -150,40 +159,48 @@ class CodeVerificationView: UIView {
             $0.leading.equalTo(snp.leading).offset(22)
             $0.height.width.equalTo(45)
         }
+        
         logoImage.snp.makeConstraints {
             $0.leading.equalTo(backButton.snp.trailing).offset(20)
             $0.centerY.equalTo(backButton)
         }
+        
         shieldImage.snp.makeConstraints {
             $0.top.equalTo(backButton.snp.bottom).offset(25)
             $0.right.equalTo(snp.right).offset(-101)
         }
+        
         containerView.snp.makeConstraints {
             $0.top.equalTo(backButton.snp.bottom).offset(227)
             $0.leading.trailing.equalToSuperview()
             $0.height.equalTo(300)
         }
+        
         descriptionLabel.snp.makeConstraints {
             $0.leading.equalTo(containerView.snp.leading).offset(20)
             $0.top.equalTo(containerView.snp.top)
         }
+        
         firstDigitLabel.snp.makeConstraints {
             $0.leading.equalTo(containerView.snp.leading).offset(25)
             $0.top.equalTo(descriptionLabel.snp.bottom).offset(28)
             $0.height.equalTo(55)
         }
+        
         secondDigitLabel.snp.makeConstraints {
             $0.leading.equalTo(firstDigitLabel.snp.trailing).offset(12)
             $0.centerY.equalTo(firstDigitLabel)
             $0.width.equalTo(firstDigitLabel.snp.width)
             $0.height.equalTo(55)
         }
+        
         thirdDigitLabel.snp.makeConstraints {
             $0.leading.equalTo(secondDigitLabel.snp.trailing).offset(12)
             $0.centerY.equalTo(firstDigitLabel)
             $0.width.equalTo(firstDigitLabel.snp.width)
             $0.height.equalTo(55)
         }
+        
         fourthDigitLabel.snp.makeConstraints {
             $0.leading.equalTo(thirdDigitLabel.snp.trailing).offset(12)
             $0.centerY.equalTo(firstDigitLabel)
@@ -191,18 +208,22 @@ class CodeVerificationView: UIView {
             $0.width.equalTo(firstDigitLabel.snp.width)
             $0.height.equalTo(55)
         }
+        
         errorAlertLabel.snp.makeConstraints {
             $0.top.equalTo(firstDigitLabel.snp.bottom).offset(8)
             $0.leading.equalTo(firstDigitLabel.snp.leading)
         }
+        
         verifyButton.snp.makeConstraints {
             $0.top.equalTo(firstDigitLabel.snp.bottom).offset(67)
             $0.left.right.equalToSuperview()
         }
+        
         verifyLabel.snp.makeConstraints {
             $0.left.equalToSuperview().offset(49)
             $0.top.equalToSuperview().offset(22)
         }
+        
         tickImage.snp.makeConstraints {
             $0.right.equalToSuperview().offset(-47)
             $0.centerY.equalTo(verifyLabel)

@@ -8,9 +8,10 @@
 import UIKit
 
 class CodeVerificationViewController: UIViewController {
-    
     var otp: String = ""
+    
     var isKeyboardAppear = false
+    
     private let mainView = CodeVerificationView()
     
     override func loadView() {
@@ -23,8 +24,10 @@ class CodeVerificationViewController: UIViewController {
     
     private func initViewController() {
         mainView.textField.delegate = self
+        
         mainView.backButton.addTarget(self, action: #selector(didDismissVC), for: .touchUpInside)
         mainView.verifyButton.addTarget(self, action: #selector(didVerifyCode), for: .touchUpInside)
+        
         NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(notification:)), name: UIResponder.keyboardWillShowNotification, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: UIResponder.keyboardWillHideNotification, object: nil)
     }
@@ -34,32 +37,32 @@ class CodeVerificationViewController: UIViewController {
         NotificationCenter.default.removeObserver(self, name: UIResponder.keyboardWillHideNotification, object: nil)
     }
 }
-
+//MARK: - Targets
 extension CodeVerificationViewController {
     
-    @objc func didDismissVC() {
+    @objc private func didDismissVC() {
         navigationController?.popViewController(animated: true)
     }
     
-    @objc func didVerifyCode() {
+    @objc private func didVerifyCode() {
         if mainView.fourthDigitLabel.text == nil {
             let alert = UIAlertController(title: "❌❌❌", message: "Some fields are empty, please fill in all", preferredStyle: .alert)
             let _: Void = alert.addAction(UIAlertAction(title: "Close", style: .cancel, handler: nil))
             present(alert, animated: true, completion: nil)
             
         } else {
-        mainView.firstDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
-        mainView.firstDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
-        
-        mainView.secondDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
-        mainView.secondDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
-        
-        mainView.thirdDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
-        mainView.thirdDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
-        
-        mainView.fourthDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
-        mainView.fourthDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
-        mainView.errorAlertLabel.isHidden = false
+            mainView.firstDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
+            mainView.firstDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
+            
+            mainView.secondDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
+            mainView.secondDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
+            
+            mainView.thirdDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
+            mainView.thirdDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
+            
+            mainView.fourthDigitLabel.backgroundColor = UIColor(red: 1, green: 0.929, blue: 0.941, alpha: 1)
+            mainView.fourthDigitLabel.textColor = UIColor(red: 1, green: 0, blue: 0.18, alpha: 1)
+            mainView.errorAlertLabel.isHidden = false
             
             DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
                 let vc = HomeViewController()
@@ -69,12 +72,10 @@ extension CodeVerificationViewController {
         }
     }
     
-    
-    @objc func keyboardWillShow(notification: NSNotification) {
+    @objc private func keyboardWillShow(notification: NSNotification) {
         let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double
-
+        
         if !isKeyboardAppear {
-            
             UIView.animate(withDuration: duration ?? 0) {
                 self.mainView.containerView.snp.updateConstraints { make in
                     make.top.equalTo(self.mainView.backButton.snp.bottom).offset(97)
@@ -84,16 +85,14 @@ extension CodeVerificationViewController {
                 }
                 self.mainView.layoutIfNeeded()
             }
-            
             isKeyboardAppear = true
         }
     }
     
-    @objc func keyboardWillHide(notification: NSNotification) {
+    @objc private func keyboardWillHide(notification: NSNotification) {
         let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double
-
+        
         if isKeyboardAppear {
-            
             UIView.animate(withDuration: duration ?? 0) {
                 self.mainView.containerView.snp.updateConstraints { make in
                     make.top.equalTo(self.mainView.backButton.snp.bottom).offset(227)
@@ -103,13 +102,12 @@ extension CodeVerificationViewController {
                 }
                 self.mainView.layoutIfNeeded()
             }
-            
             isKeyboardAppear = false
         }
     }
-    
 }
 
+//MARK: - TextField delegate
 extension CodeVerificationViewController: UITextFieldDelegate {
     
     func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
@@ -130,8 +128,6 @@ extension CodeVerificationViewController: UITextFieldDelegate {
                 mainView.textField.endEditing(true)
             }
         }
-        
         return true
     }
-    
 }