import Flutter
import UIKit

@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    TransferManager.shared.reconnect()
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }

  override func application(
    _ application: UIApplication,
    handleEventsForBackgroundURLSession identifier: String,
    completionHandler: @escaping () -> Void
  ) {
    if identifier == TransferManager.sessionIdentifier {
      TransferManager.shared.backgroundCompletionHandler = completionHandler
    } else {
      super.application(
        application, handleEventsForBackgroundURLSession: identifier, completionHandler: completionHandler)
    }
  }

  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
    NativeServices.register(messenger: engineBridge.applicationRegistrar.messenger())
  }
}