GoogleSignIn-iOS/Samples/Swift/DaysUntilBirthday/macOS/UserProfileView.swift

import SwiftUI
import GoogleSignIn

struct UserProfileView: View {
  @EnvironmentObject var authViewModel: AuthenticationViewModel
  @StateObject var birthdayViewModel = BirthdayViewModel()
  private var user: GIDGoogleUser? {
    return GIDSignIn.sharedInstance.currentUser
  }

  var body: some View {
    return Group {
      if let userProfile = user?.profile {
        VStack(spacing: 10) {
          HStack(alignment: .top) {
            UserProfileImageView(userProfile: userProfile)
              .padding(.leading)
            VStack(alignment: .leading) {
              Text(userProfile.name)
                .font(.headline)
              Text(userProfile.email)
            }
          }
          Button(
            NSLocalizedString("Sign Out", comment: "Sign out button"),
            action: authViewModel.signOut
          )
          .background(Color.blue)
          .foregroundColor(Color.white)
          .cornerRadius(5)

          Button(
            NSLocalizedString("Disconnect", comment: "Disconnect button"),
            action: authViewModel.disconnect
          )
          .background(Color.blue)
          .foregroundColor(Color.white)
          .cornerRadius(5)
          Spacer()
          NavigationLink(
            NSLocalizedString("View Days Until Birthday", comment: "View birthday days"),
            destination: BirthdayView(birthdayViewModel: birthdayViewModel)
              .onAppear {
                guard self.birthdayViewModel.birthday != nil else {
                  if !self.authViewModel.hasBirthdayReadScope {
                    guard let window = NSApplication.shared.windows.first else {
                      print("There was no presenting window")
                      return
                    }
                    Task { @MainActor in
                      do {
                        let user = try await authViewModel.addBirthdayReadScope(window: window)
                        self.authViewModel.state = .signedIn(user)
                        self.birthdayViewModel.fetchBirthday()
                      } catch {
                        print("Failed to fetch birthday: \(error)")
                      }
                    }
                  } else {
                    self.birthdayViewModel.fetchBirthday()
                  }
                  return
                }
              })
          .background(Color.blue)
          .foregroundColor(Color.white)
          .cornerRadius(5)
          Spacer()
        }
      } else {
        Text(NSLocalizedString("Failed to get user profile!", comment: "Empty user profile text"))
      }
    }
  }
}