ContentView.swift

struct ContentView: View {

    private let viewModel = HobbyViewModel()

    @State private var showAlert: Bool = false
    @State private var randomHobby: Hobby?

    var body: some View {
        Button("Random hobby") {
            randomHobby = viewModel.randomHobby()
            showAlert = true
        }
        .font(.title)
        .padding()
        .alert(
            "My favorite hobby is...",
            isPresented: $showAlert,
            presenting: randomHobby,
            actions: { _ in },
            message: { hobby in
                Text("\(hobby.name) \(hobby.emoji)")
            }
        )
    }
}

struct HobbyViewModel {
    private let hobbies = [
        Hobby(emoji: "🎾", name: "playing tennis"),
        Hobby(emoji: "🎥", name: "watching YouTube videos"),
        Hobby(emoji: "📖", name: "reading books"),
        Hobby(emoji: "☕️", name: "going to coffee shops"),
        Hobby(emoji: "🏃🏽‍♀️", name: "running"),
        Hobby(emoji: "✈️", name: "traveling"),
    ]

    func randomHobby() -> Hobby {
        return hobbies.randomElement()!
    }
}

struct Hobby: Identifiable {
    let id: UUID = UUID()
    let emoji: String
    let name: String
}