BugFix - Unable to present when a VC is already presented

FormbricksSDK.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "FormbricksSDK"
-  s.version          = "1.1.0"                              
+  s.version          = "1.2.0"                              
   s.summary          = "iOS SDK for Formbricks" 
   s.homepage         = "https://github.com/formbricks/ios"   
   s.license          = { :type => "MIT", :file => "LICENSE" }

Sources/FormbricksSDK/Extension/UIWindow+topMostViewController.swift

@@ -0,0 +1,26 @@
+import UIKit
+
+extension UIWindow {
+  func topMostViewController() -> UIViewController? {
+    if let rootViewController: UIViewController = self.rootViewController {
+      return UIWindow.topMostViewControllerFrom(rootViewController)
+    }
+    return nil
+  }
+
+  static func topMostViewControllerFrom(_ viewController: UIViewController) -> UIViewController {
+    if let navigationController = viewController as? UINavigationController,
+       let visibleController = navigationController.visibleViewController {
+      return topMostViewControllerFrom(visibleController)
+    } else if let tabBarController = viewController as? UITabBarController,
+              let selectedTabController = tabBarController.selectedViewController {
+      return topMostViewControllerFrom(selectedTabController)
+    } else {
+      if let presentedViewController = viewController.presentedViewController {
+        return topMostViewControllerFrom(presentedViewController)
+      } else {
+        return viewController
+      }
+    }
+  }
+}

Sources/FormbricksSDK/Manager/PresentSurveyManager.swift

@@ -11,28 +11,60 @@ final class PresentSurveyManager {
 
     /// The view controller that will present the survey window.
     private weak var viewController: UIViewController?
-
+
+    /// Finds the topmost view controller in the hierarchy to present from
+    private func topViewController(from viewController: UIViewController) -> UIViewController {
+        if let presented = viewController.presentedViewController {
+            return topViewController(from: presented)
+        }
+        if let navigation = viewController as? UINavigationController {
+            return topViewController(from: navigation.visibleViewController ?? navigation)
+        }
+        if let tabBar = viewController as? UITabBarController {
+            return topViewController(from: tabBar.selectedViewController ?? tabBar)
+        }
+        return viewController
+    }
+
     /// Present the webview
     /// The native background is always `.clear` — overlay rendering is handled
     /// entirely by the JS survey library inside the WebView to avoid double-overlay artifacts.
     func present(environmentResponse: EnvironmentResponse, id: String, completion: ((Bool) -> Void)? = nil) {
         DispatchQueue.main.async { [weak self] in
             guard let self = self else { return }
-            if let window = UIApplication.safeKeyWindow {
-                let view = FormbricksView(viewModel: FormbricksViewModel(environmentResponse: environmentResponse, surveyId: id))
-                let vc = UIHostingController(rootView: view)
-                vc.modalPresentationStyle = .overCurrentContext
-                vc.view.backgroundColor = .clear
-                if let presentationController = vc.presentationController as? UISheetPresentationController {
-                    presentationController.detents = [.large()]
-                }
-                self.viewController = vc
-                window.rootViewController?.present(vc, animated: true, completion: {
-                    completion?(true)
-                })
+            guard let window = UIApplication.safeKeyWindow,
+                  let rootVC = window.rootViewController else {
+                completion?(false)
+                return
+            }
+
+            // Determine the presenter: use root if available, otherwise find topmost
+            let presenter: UIViewController
+            if rootVC.presentedViewController == nil {
+                // Root is free, use it directly (simple path)
+                presenter = rootVC
             } else {
+                // Root is already presenting, find the topmost view controller
+                presenter = self.topViewController(from: rootVC)
+            }
+
+            // Check if presenter is already presenting
+            guard presenter.presentedViewController == nil else {
                 completion?(false)
+                return
+            }
+
+            let view = FormbricksView(viewModel: FormbricksViewModel(environmentResponse: environmentResponse, surveyId: id))
+            let vc = UIHostingController(rootView: view)
+            vc.modalPresentationStyle = .overCurrentContext
+            vc.view.backgroundColor = .clear
+            if let presentationController = vc.presentationController as? UISheetPresentationController {
+                presentationController.detents = [.large()]
             }
+            self.viewController = vc
+            presenter.present(vc, animated: true, completion: {
+                completion?(true)
+            })
         }
     }