AppFlowController.swift

final class AppFlowController: UIResponder, AppFlowPresenting {
    private let dependencyManager: DependencyManager
    private let window: UIWindow
    
    init(window: UIWindow, dependencyManager: DependencyManager) {
        self.dependencyManager = dependencyManager
        self.window = window
    }
    
    // MARK: Presenting Flows
    
    func showInitialView() {
        let controller = LoginFlowController(window: window)
        controller.showInitialView()
        activeFlow = controller
    }
    
    func showMainView() {
        let controller = MainFlowController(window: window, dependencyManager: dependencyManager)
        controller.showInitialView()
        activeFlow = controller
    }
    
    // MARK: Managing the Responder Chain
    
    var activeFlow: FlowPresenting? = nil
    
    override var next: UIResponder? {
        return activeFlow as? UIResponder
    }
}