@State private var items: [Item] = []
@State private var isInitialLoading = true
@State private var lastRefresh = Date()

var body: some View {
    NavigationView {
        Group {
            if isInitialLoading {
                ProgressView("Loading...")
            } else {
                List(items) { item in
                    ItemRow(item: item)
                }
                .refreshable {
                    await refreshData()
                }
                .overlay {
                    if items.isEmpty {
                        ContentUnavailableView(
                            "No Items",
                            systemImage: "tray",
                            description: Text("Pull down to refresh")
                        )
                    }
                }
            }
        }
        .navigationTitle("Items")
        .task {
            await loadInitialData()
        }
    }
}

private func refreshData() async {
    do {
        let newItems = try await dataService.fetchItems()
        await MainActor.run {
            items = newItems
            lastRefresh = Date()
        }
    } catch {
        // Handle error appropriately
    }
}

private func loadInitialData() async {
    await refreshData()
    await MainActor.run {
        isInitialLoading = false
    }
}