chore: create AuthConfiguration and adjust

Author: russellwheatley

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/FirebaseAuthSwiftUI/Services/AuthConfiguation.swift

@@ -0,0 +1,24 @@
+import Foundation
+
+public final class AuthConfiguration {
+  var shouldHideCancelButton: Bool
+  var interactiveDismissEnabled: Bool
+  var shouldAutoUpgradeAnonymousUsers: Bool
+  var customStringsBundle: Bundle
+  var tosUrl: URL
+  var privacyPolicyUrl: URL
+
+  public init(shouldHideCancelButton: Bool = false,
+              interactiveDismissEnabled: Bool = true,
+              shouldAutoUpgradeAnonymousUsers: Bool = false,
+              customStringsBundle: Bundle = Bundle.main,
+              tosUrl: URL = URL(string: "https://example.com/tos")!,
+              privacyPolicyUrl: URL = URL(string: "https://example.com/privacy")!) {
+    self.shouldHideCancelButton = shouldHideCancelButton
+    self.interactiveDismissEnabled = interactiveDismissEnabled
+    self.shouldAutoUpgradeAnonymousUsers = shouldAutoUpgradeAnonymousUsers
+    self.customStringsBundle = customStringsBundle
+    self.tosUrl = tosUrl
+    self.privacyPolicyUrl = privacyPolicyUrl
+  }
+}

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/FirebaseAuthSwiftUI/Services/AuthEnvironment.swift

@@ -52,22 +52,18 @@ final class AuthListenerManager {
 @MainActor
 @Observable
 public final class AuthEnvironment {
-  public static let shared = AuthEnvironment()
-
-  // TODO: - need to know how we're configuring the below properties or if they should live on AuthEnvironment
-  let auth: Auth = .auth()
-  let language: String = "en"
-  let enableAutoAnonymousLogin: Bool = true
-
-  var currentUser: User?
-  var errorMessage = ""
-
+  public let configuation: AuthConfiguration
+  public let auth: Auth
   private var listenerManager: AuthListenerManager?
 
-  private init() {
+  public init(configuration: AuthConfiguration = AuthConfiguration(), auth: Auth = Auth.auth()) {
+    self.auth = auth
+    configuation = configuration
     listenerManager = AuthListenerManager(auth: auth, authEnvironment: self)
   }
 
+  public var currentUser: User?
+  public var errorMessage = ""
   public var authenticationState: AuthenticationState = .unauthenticated
   public var authenticationFlow: AuthenticationFlow = .login
 

samples/swiftui/FirebaseSwiftUIExample/FirebaseSwiftUIExample/FirebaseSwiftUIExampleApp.swift

@@ -15,12 +15,15 @@ import SwiftUI
 struct FirebaseSwiftUIExampleApp: App {
   init() {
     FirebaseApp.configure()
+    authViewModel = AuthEnvironment()
   }
 
+  let authViewModel: AuthEnvironment
+
   var body: some Scene {
     WindowGroup {
       NavigationView {
-        AuthenticationScreen().environment(AuthEnvironment.shared)
+        AuthenticationScreen().environment(authViewModel)
       }
     }
   }