From 1b4d40f67e1257923490ffec0fd81902d74491ea Mon Sep 17 00:00:00 2001
From: Matt Bruce <matt.bruce@verizon.com>
Date: Fri, 12 Aug 2022 16:00:39 -0500
Subject: [PATCH] refactored checkbox

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
---
 .../CheckboxViewController.swift              | 53 ++++++++++++++-----
 .../RadioButtonViewController.swift           |  2 +-
 2 files changed, 42 insertions(+), 13 deletions(-)

diff --git a/VDSSample/ViewControllers/CheckboxViewController.swift b/VDSSample/ViewControllers/CheckboxViewController.swift
index a206a5a..5d8d984 100644
--- a/VDSSample/ViewControllers/CheckboxViewController.swift
+++ b/VDSSample/ViewControllers/CheckboxViewController.swift
@@ -9,6 +9,7 @@ import Foundation
 import UIKit
 import VDS
 import VDSColorTokens
+import Combine
 
 class  CheckboxViewController: UIViewController, StoryboardInitable {
     enum PickerType {
@@ -27,11 +28,24 @@ class  CheckboxViewController: UIViewController, StoryboardInitable {
     @IBOutlet weak var showErrorSwitch: UISwitch!
     @IBOutlet weak var errorTextField: UITextField!
     
-    var checkbox: Checkbox!
+    var model = DefaultCheckboxModel()
+    var checkbox = Checkbox()
+    var subscribers = Set<AnyCancellable>()
 
     override func viewDidLoad() {
         super.viewDidLoad()
-        var model = DefaultCheckboxModel()
+        checkboxContainerView.addSubview(checkbox)
+        checkbox.leadingAnchor.constraint(equalTo: checkboxContainerView.leadingAnchor, constant: 10).isActive = true
+        checkbox.bottomAnchor.constraint(equalTo: checkboxContainerView.bottomAnchor, constant: -20).isActive = true
+        checkbox.topAnchor.constraint(equalTo: checkboxContainerView.topAnchor, constant: 20).isActive = true
+        checkbox.trailingAnchor.constraint(equalTo: checkboxContainerView.trailingAnchor, constant: 10).isActive = true
+        view.addGestureRecognizer(UITapGestureRecognizer(target: self.view, action: #selector(UIView.endEditing(_:))))
+        setupPicker()
+        createModel()
+        setupBinding()
+    }
+    
+    func createModel() {
         model.labelText = "Terms and conditions"
         model.childText = "I agree to Verizon's terms and conditions click here"
         model.childTextAttributes = [
@@ -42,25 +56,40 @@ class  CheckboxViewController: UIViewController, StoryboardInitable {
             LabelAttributeFont(location: 2, length: 5, style: .BoldTitleLarge, color: UIColor.red.hexString!)
         ]
         model.errorText = "Error Text"
+
+        checkbox.set(with: model)
         
+        //setup UI
         surfaceLabel.text = model.surface.rawValue
         disabledSwitch.isOn = model.selected
         labelTextField.text = model.labelText
         childTextField.text = model.childText
         showErrorSwitch.isOn = model.hasError
         errorTextField.text = model.errorText
-        
-        checkbox = Checkbox(with: model)
-        checkbox.translatesAutoresizingMaskIntoConstraints = false
-        checkboxContainerView.addSubview(checkbox)
-        checkbox.leadingAnchor.constraint(equalTo: checkboxContainerView.leadingAnchor, constant: 10).isActive = true
-        checkbox.bottomAnchor.constraint(equalTo: checkboxContainerView.bottomAnchor, constant: -20).isActive = true
-        checkbox.topAnchor.constraint(equalTo: checkboxContainerView.topAnchor, constant: 20).isActive = true
-        checkbox.trailingAnchor.constraint(equalTo: checkboxContainerView.trailingAnchor, constant: 10).isActive = true
-        view.addGestureRecognizer(UITapGestureRecognizer(target: self.view, action: #selector(UIView.endEditing(_:))))
-        setupPicker()
+
     }
     
+    func setupBinding() {
+        //create the subject
+        let modelSubject = CurrentValueSubject<DefaultCheckboxModel, Never>(model)
+        
+        //assign - this will auto overwrite any changes
+        modelSubject.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main).assign(to: \.model, on: self).store(in: &subscribers)
+        
+        //bind
+        checkbox.createBinding(with: modelSubject, storeIn: &subscribers)
+
+        //print out on subject changes
+        modelSubject.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main).sink { [weak self] model in
+            
+            self?.showErrorSwitch.isOn = model.hasError
+            print("CheckboxViewController hasError: \(model.hasError)")
+            print("CheckboxViewController selected: \(model.selected)")
+            
+        }.store(in: &subscribers)
+    }
+        
+    
     @IBAction func disabledChanged(_ sender: UISwitch) {
         checkbox.disabled = sender.isOn
     }
diff --git a/VDSSample/ViewControllers/RadioButtonViewController.swift b/VDSSample/ViewControllers/RadioButtonViewController.swift
index 2eb4156..5d928d9 100644
--- a/VDSSample/ViewControllers/RadioButtonViewController.swift
+++ b/VDSSample/ViewControllers/RadioButtonViewController.swift
@@ -87,7 +87,7 @@ class  RadioButtonViewController: UIViewController, StoryboardInitable {
         radioButtonGroup.createBinding(with: modelSubject, storeIn: &subscribers)
 
         //print out on subject changes
-        modelSubject.sink { [weak self] model in
+        modelSubject.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main).sink { [weak self] model in
             
             self?.showErrorSwitch.isOn = model.hasError
             print("RadioButtonViewController hasError: \(model.hasError)")