class SceneDelegate: FlutterSceneDelegate {
  override func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
    super.scene(scene, openURLContexts: URLContexts)
    guard let url = URLContexts.first?.url else { return }
    forwardToFlutter(url: url)
  }

  override func scene(_ scene: UIScene, willConnectTo session: UISceneSession,
                      options connectionOptions: UIScene.ConnectionOptions) {
    super.scene(scene, willConnectTo: session, options: connectionOptions)
    if let url = connectionOptions.urlContexts.first?.url {
      DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { [weak self] in
        self?.forwardToFlutter(url: url)
      }
    }
  }

  private func forwardToFlutter(url: URL) {
    guard let window = self.window,
          let flutterVC = window.rootViewController as? FlutterViewController else { return }
    let channel = FlutterMethodChannel(name: "flutter/navigation",
                                       binaryMessenger: flutterVC.binaryMessenger)
    let path = (url.path.isEmpty ? "/" : url.path) + (url.query.map { "?\($0)" } ?? "")
    channel.invokeMethod("pushRoute", arguments: path)
  }
}