import SwiftUI

@main
struct RocketChat_Watch_AppApp: App {
    private let store: DependencyStore
  
    @StateObject var router: RocketChatAppRouter
  
    init() {
      let store = DependencyStore()
      
      self.store = store
      self._router = StateObject(wrappedValue: RocketChatAppRouter(database: store.database))
    }
  
    @ViewBuilder
    private var serverListView: some View {
      ServerListView(
        dependencies: .init(
          connection: store.connection,
          database: store.database,
          router: router
        )
      )
    }
  
    @ViewBuilder
    private func roomListView(for server: Server) -> some View {
      RoomListView(
        dependencies: .init(
          client: store.client(for: server),
          database: store.database(for: server),
          router: router,
          server: server
        )
      )
    }
  
    var body: some Scene {
        WindowGroup {
          NavigationStack {
            switch router.route {
            case .roomList(let server):
              roomListView(for: server)
                .environment(\.managedObjectContext, store.database(for: server).viewContext)
            case .serverList:
              serverListView
                .environment(\.managedObjectContext, store.database.viewContext)
            }
          }
        }
    }
}