import SwiftUI

enum AppSection: String, CaseIterable, Hashable {
    case dashboard = "Dashboard"
    case oracle = "Oracle"
    case sentinel = "Sentinel"
    case inventory = "Inventory"
    case settings = "Settings"

    var systemImage: String {
        switch self {
        case .dashboard: return "square.grid.2x2"
        case .oracle: return "message"
        case .sentinel: return "person.crop.rectangle"
        case .inventory: return "shippingbox"
        case .settings: return "gearshape"
        }
    }
}

struct ContentView: View {
    @State private var selectedSection: AppSection? = .dashboard

    var body: some View {
        NavigationSplitView {
            List(AppSection.allCases, selection: $selectedSection) { section in
                Label(section.rawValue, systemImage: section.systemImage)
                    .tag(section)
            }
            .navigationTitle("Velocity")
        } detail: {
            Group {
                switch selectedSection {
                case .dashboard: DashboardView()
                case .oracle: OracleView()
                case .sentinel: SentinelView()
                case .inventory: InventoryView()
                case .settings: SettingsView()
                case .none: DashboardView()
                }
            }
            .frame(maxWidth: .infinity, maxHeight: .infinity)
            .background(Color(uiColor: .systemGroupedBackground))
        }
    }
}

#Preview {
    ContentView()
}