import SwiftUI
import Sparkle

struct UpdateCommands: Commands {
  let updaterController: SPUStandardUpdaterController
  
  var body: some Commands {
    CommandGroup(after: .appInfo) {
      CheckForUpdatesView(updater: updaterController.updater)
    }
  }
}


struct CheckForUpdatesView: View {
    @ObservedObject private var checkForUpdatesViewModel: CheckForUpdatesViewModel
    private let updater: SPUUpdater
    
    init(updater: SPUUpdater) {
        self.updater = updater
        
        // Create our view model for our CheckForUpdatesView
        self.checkForUpdatesViewModel = CheckForUpdatesViewModel(updater: updater)
    }
    
    var body: some View {
        Button("Check for Updates…", action: updater.checkForUpdates)
            .disabled(!checkForUpdatesViewModel.canCheckForUpdates)
    }
}

final class CheckForUpdatesViewModel: ObservableObject {
    @Published var canCheckForUpdates = false

    init(updater: SPUUpdater) {
        updater.publisher(for: \.canCheckForUpdates)
            .assign(to: &$canCheckForUpdates)
    }
}