built out themes a bit more

Shared/Models/Theme.swift

@@ -1,5 +1,5 @@
 //
-//  Theme.swift
+//  theme.currentTheme.swift
 //  Feels (iOS)
 //
 //  Created by Trey Tartt on 2/4/22.
@@ -7,65 +7,93 @@
 
 import SwiftUI
 
-enum Theme: Int, CaseIterable {
+struct ThemeConstants {
     static let iconSize: CGFloat = 50
+}
+
+enum Theme: Int, CaseIterable {
     case system
-    case ifeelTheme
+    case iFeel
     
     var title: String {
         switch self {
+        case .system:
+            return SystemTheme.title
+        case .iFeel:
+            return IFeelTheme.title
+        }
+    }
+    
+    var currentTheme: Themeable {
+        switch self {
             
         case .system:
-            return "System"
-        case .ifeelTheme:
-            return "iFeel Theme"
-        }
-    }
-    
-    var secondaryBGColor: UIColor {
-        switch self{
-        case .system:
-            return UIColor.secondarySystemBackground
-        case .ifeelTheme:
-            return UIColor.systemBackground
-        }
-    }
-    
-    var bg: some View {
-        switch self {
-        case .system:
-            return AnyView(
-                ZStack {
-                    Rectangle()
-                        .fill(Color(UIColor.systemBackground))
-                }
-            )
-        case .ifeelTheme:
-            return AnyView(
-                BGView().equatable()
-            )
-        }
-    }
-    
-    var preview: some View {
-        switch self {
-        case .system:
-            return AnyView(
-                ZStack {
-                    Rectangle()
-                        .fill(Color(UIColor.secondarySystemBackground))
-                        .frame(width: Theme.iconSize, height: Theme.iconSize)
-                        .clipShape(RoundedRectangle(cornerRadius: 25, style: .continuous))
-                }
-            )
-        case .ifeelTheme:
-            return AnyView(
-                ZStack {
-                    BGView().equatable()
-                        .frame(width: Theme.iconSize, height: Theme.iconSize)
-                        .clipShape(RoundedRectangle(cornerRadius: 25, style: .continuous))
-                }
-            )
+            return SystemTheme()
+        case .iFeel:
+            return IFeelTheme()
         }
     }
 }
+
+protocol Themeable {
+    static var title: String { get }
+    var secondaryBGColor: UIColor { get }
+    var bg: AnyView { get }
+    var preview: AnyView { get }
+}
+
+struct IFeelTheme: Themeable {
+    static var title: String {
+        return "iFeel Theme"
+    }
+    
+    var secondaryBGColor: UIColor {
+        return UIColor.systemBackground
+    }
+    
+    var bg: AnyView {
+        return AnyView(
+            BGView().equatable()
+        )
+    }
+    
+    var preview: AnyView {
+        return AnyView(
+            ZStack {
+                BGView().equatable()
+                    .frame(width: ThemeConstants.iconSize, height: ThemeConstants.iconSize)
+                    .clipShape(RoundedRectangle(cornerRadius: 25, style: .continuous))
+            }
+        )
+    }
+}
+
+struct SystemTheme: Themeable {
+    static var title: String {
+        return "System"
+    }
+    
+    var secondaryBGColor: UIColor {
+        return UIColor.secondarySystemBackground
+    }
+    
+    var bg: AnyView {
+        return AnyView(
+            ZStack {
+                Rectangle()
+                    .fill(Color(UIColor.systemBackground))
+            }
+        )
+    }
+    
+    var preview: AnyView {
+        return AnyView(
+            ZStack {
+                Rectangle()
+                    .fill(Color(UIColor.secondarySystemBackground))
+                    .frame(width: ThemeConstants.iconSize, height: ThemeConstants.iconSize)
+                    .clipShape(RoundedRectangle(cornerRadius: 25, style: .continuous))
+            }
+        )
+    }
+}