import SwiftUI
import SwiftData

struct RootView: View {
    @Environment(AuthSession.self) private var auth
    @Environment(\.modelContext) private var ctx

    var body: some View {
        Group {
            if auth.isLoggedIn {
                MainTabView()
            } else {
                LoginView()
            }
        }
        // Offline-Cache leeren, sobald der User wechselt (Logout oder 401),
        // damit nie Touren/Tagebuch/Fotos eines vorigen Users durchschimmern.
        .onReceive(NotificationCenter.default.publisher(for: .userDidLogout)) { _ in
            OfflineCache.clearAll(in: ctx)
        }
        .onReceive(NotificationCenter.default.publisher(for: .apiUnauthorized)) { _ in
            OfflineCache.clearAll(in: ctx)
        }
    }
}