dependencies: [
    .package(url: "https://github.com/l1Dan/NXNavigationExtension.git", .upToNextMajor(from: "4.2.5"))
]

// For YourNavigationController
NXNavigationConfiguration().registerNavigationControllerClasses([YourNavigationController.self])

NXNavigationConfiguration().registerNavigationControllerClasses([YourNavigationController.self, YourNavigationController2.self])

let configuration = NXNavigationConfiguration.default
// 默认首选配置（单利对象意味着对所有注册的导航控制器生效）
configuration.navigationBarAppearance.tintColor = .customTitle
configuration.registerNavigationControllerClasses([YourNavigationController.self, YourNavigationController2.self]) { navigationController, configuration in
    // For UINavigationController，针对不同导航控制器的修改
    if navigationController is YourNavigationController {
        // 动态修改导航控制器的默认首选配置
        configuration.navigationBarAppearance.backgroundColor = .brown
        // 动态修改视图控制器的默认首选配置
        navigationController.nx_prepareConfigureViewControllersCallback { viewController, configuration in
            // For UIViewController 针对不同视图控制器的修改
            if viewController is MyViewController {
                configuration.navigationBarAppearance.backgroundColor = .red
            }
        }
    }
    return configuration
}

// UINavigationController 会影响所有的导航控制器，所以不推荐使用这种方式注册
NXNavigationConfiguration().registerNavigationControllerClasses([UINavigationController.self])

override var nx_barTintColor: UIColor? {
    return isDarkMode ? .white : .black
}

// 需要设置使用系统返回按钮，这样才会有效果
override var nx_useSystemBackButton: Bool {
    return true
}

override var nx_systemBackButtonTitle: String? {
    return backButtonTitle
}

override var nx_titleTextAttributes: [NSAttributedString.Key : Any]? {
    return [NSAttributedString.Key.foregroundColor: nx_barTintColor ?? (isDarkMode ? .white : .black)]
}

// 全局统一修改（不会覆盖基于视图控制器的修改）
let configuration = NXNavigationConfiguration.default
configuration.navigationBarAppearance.backgroundColor = .red

// 基于视图控制器修改（可以是基类视图控制器也是可以是特定需要修改的视图控制器）
override var nx_navigationBarBackgroundColor: UIColor? {
    return randomColor
}

override var nx_navigationBarBackgroundImage: UIImage? {
    return UIImage.navigationBarBackground
}

override var nx_navigationBarBackgroundColor: UIColor? {
    return .clear
}

// 设置导航栏底部阴影颜色
override var nx_shadowColor: UIColor? {
    return .clear
}

override var nx_navigationBarBackgroundColor: UIColor? {
    return .clear
}

override var nx_useBlurNavigationBar: Bool {
    return true
}

override var nx_shadowColor: UIColor? {
    return .red
}

override var nx_shadowImage: UIImage? {
    return UIImage(named: "NavigationBarShadowImage")
}

override var nx_backImage: UIImage? {
    return UIImage(named: "NavigationBarBack")
}

override var nx_backButtonCustomView: UIView? {
    return backButton
}

func nx_navigationTransition(_ transitionViewController: UIViewController, navigationBackAction action: NXNavigationBackAction) -> Bool {
    if case .interactionGesture = action {
        return false
    }
    return true
}

override var nx_enableFullScreenInteractivePopGesture: Bool {
    return true
}

let configuration = NXNavigationConfiguration.default
configuration.viewControllerPreferences.enableFullScreenInteractivePopGesture = true

// 此操作会将导航栏的背景设置为透明、导航栏所在区域的底部能够接收到点击事件、返回按钮也将不存在。
// “隐藏”导航栏时不要添加 UINavigationBar 的 barButtonItem(s)，这样就可以看起来真的像导航栏隐藏了。
// 不隐藏系统导航栏的原因是：可以让整个导航栏的过渡更加平滑自然，当然也不推荐除此之外任何隐藏系统导航栏的方式。
override var nx_translucentNavigationBar: Bool {
    return true
}

override var systemNavigationBarUserInteractionDisabled: Bool {
    return true
}

nx_setNeedsNavigationBarAppearanceUpdate()

override var childForStatusBarStyle: UIViewController? {
    return topViewController
}

override var childForStatusBarHidden: UIViewController? {
    return topViewController
}

func nx_navigationTransition(_ transitionViewController: UIViewController, navigationBackAction action: NXNavigationBackAction) -> Bool {
    switch action {
    case .clickBackButton:
        // Do something
        return false
    case .clickBackButtonMenu:
        // Do something
        return false
    case .interactionGesture:
        // Do something
        return false
    case .callingNXPopMethod:
        // Do something
        return false
    default:
        // Continue back
        return true
    }
}

func nx_navigationTransition(_ transitionViewController: UIViewController, navigationTransitionState state: NXNavigationTransitionState) {
    switch state {
    case .unspecified: print("Unspecified")
    case .willPush: print("WillPush")
    case .didPush: print("DidPush")
    case .pushCancelled: print("PushCancelled")
    case .pushCompleted: print("PushCompleted")
    case .willPop: print("WillPop")
    case .didPop: print("DidPop")
    case .popCancelled: print("PopCancelled")
    case .popCompleted: print("PopCompleted")
    case .willSet: print("WillSet")
    case .didSet: print("DidSet")
    case .setCancelled: print("SetCancelled")
    case .setCompleted: print("SetCompleted")
    default: print("None")
    }
}

override var nx_useSystemBackButton: Bool {
    return true
}