educationai

1struct FlashcardsView: View {
2    @State private var cards = [
3        Flashcard(front: "Capital of Japan", back: "Tokyo"),
4        Flashcard(front: "Capital of Kenya", back: "Nairobi"),
5        Flashcard(front: "Capital of Peru", back: "Lima")
6    ]
7    @State private var showsAnswer = false
8    private let scheduler = FSRSScheduler.default
9 
10    var body: some View {
11        if let card = StudyQueue.cards(from: cards).first,
12           let index = cards.firstIndex(where: { $0.id == card.id }) {
13            VStack(spacing: 24) {
14                Text(card.front).font(.title)
15                if showsAnswer {
16                    Text(card.back).font(.title2).bold()
17                    HStack {
18                        ForEach(Rating.allCases, id: \.self) { rating in
19                            Button(String(describing: rating).capitalized) {
20                                if let outcome = try? scheduler.review(card.review, rating: rating) {
21                                    cards[index].review = outcome.state
22                                }
23                                showsAnswer = false
24                            }
25                            .buttonStyle(.bordered)
26                        }
27                    }
28                } else {
29                    Button("Show Answer") { showsAnswer = true }
30                        .buttonStyle(.borderedProminent)
31                }
32            }
33            .padding()
34        } else {
35            Text("All done for now")
36        }
37    }
38}