import UIKit
import Flutter
import flutter_downloader

@main
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    GeneratedPluginRegistrant.register(with: self)
    FlutterDownloaderPlugin.setPluginRegistrantCallback(registerPlugins)
      
    // Exclude the documents folder from iCloud backup since we keep songs there.
    try! setExcludeFromiCloudBackup(isExcluded: true)
    
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}

private func setExcludeFromiCloudBackup(isExcluded: Bool) throws {
    var fileOrDirectoryURL = try! FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
    var values = URLResourceValues()
    values.isExcludedFromBackup = isExcluded
    try fileOrDirectoryURL.setResourceValues(values)
}


private func registerPlugins(registry: FlutterPluginRegistry) { 
    if (!registry.hasPlugin("FlutterDownloaderPlugin")) {
       FlutterDownloaderPlugin.register(with: registry.registrar(forPlugin: "FlutterDownloaderPlugin")!)
    }
}