import type { ColorValue, TextStyle } from 'react-native';
import type { UserInterfaceStyle, BlurEffect } from '../../shared/types';
import type { TabsScreenIconIOS } from './TabsScreenIcon.types';
export type TabsScreenBlurEffect = BlurEffect | 'systemDefault';
export type TabsScreenRole = 'search';
export type TabsScreenSystemItem = 'bookmarks' | 'contacts' | 'downloads' | 'favorites' | 'featured' | 'history' | 'more' | 'mostRecent' | 'mostViewed' | 'recents' | 'search' | 'topRated';
export interface TabsScreenAppearanceIOS {
    /**
     * @summary Specifies the appearance of tab bar items when they are in stacked layout.
     *
     * Tab bar items in stacked layout have the icon above the title.
     * Stacked layout is used e.g. on the iPhone in portrait orientation.
     *
     * @platform ios
     */
    stacked?: TabsScreenItemAppearanceIOS | undefined;
    /**
     * @summary Specifies the appearance of tab bar items when they are in inline layout.
     *
     * Tab bar items in inline layout have the icon next to the title.
     * Inline layout is used in regular-width environments, e.g. in landscape orientation on the iPhone 16 Pro Max.
     *
     * Complete list of size classes for iOS and iPadOS devices is available in Apple's Human Interface Guidelines:
     * @see {@link https://developer.apple.com/design/human-interface-guidelines/layout#iOS-iPadOS-device-size-classes|HIG: Device size classes}
     *
     * @platform ios
     */
    inline?: TabsScreenItemAppearanceIOS | undefined;
    /**
     * @summary Specifies the appearance of tab bar items when they are in compact inline layout.
     *
     * Tab bar items in compact inline layout have the icon next to the title.
     * Compact inline layout is used in compact-width environments, e.g. in landscape orientation on the iPhone 16 Pro.
     *
     * Complete list of size classes for iOS and iPadOS devices is available in Apple's Human Interface Guidelines:
     * @see {@link https://developer.apple.com/design/human-interface-guidelines/layout#iOS-iPadOS-device-size-classes|HIG: Device size classes}
     *
     * @platform ios
     */
    compactInline?: TabsScreenItemAppearanceIOS | undefined;
    /**
     * @summary Specifies the background color for the entire tab bar when tab screen is selected.
     *
     * This property does not affect the tab bar starting from iOS 26.
     *
     * @platform ios
     * @supported iOS 18 or lower
     */
    tabBarBackgroundColor?: ColorValue | undefined;
    /**
     * @summary Specifies the blur effect applied to the tab bar when tab screen is selected.
     *
     * Works with backgroundColor's alpha < 1.
     *
     * This property does not affect the tab bar starting from iOS 26.
     *
     * The following values are currently supported:
     *
     * - `none` - disables blur effect
     * - `systemDefault` - uses UIKit's default tab bar blur effect
     * - one of styles mapped from UIKit's UIBlurEffectStyle, e.g. `systemUltraThinMaterial`
     *
     * Complete list of possible blur effect styles is available in the official UIKit documentation:
     * @see {@link https://developer.apple.com/documentation/uikit/uiblureffect/style|UIBlurEffect.Style}
     *
     * @default systemDefault
     *
     * @platform ios
     * @supported iOS 18 or lower
     */
    tabBarBlurEffect?: TabsScreenBlurEffect | undefined;
    /**
     * @summary Specifies the shadow color for the tab bar when tab screen is selected.
     *
     * This property does not affect the tab bar starting from iOS 26.
     *
     * @platform ios
     * @supported iOS 18 or lower
     */
    tabBarShadowColor?: ColorValue | undefined;
}
export interface TabsScreenItemAppearanceIOS {
    /**
     * Defines appearance for all tab bar items which are in their enabled, unselected and unfocused state.
     * The color scheme is determined by the configuration of the currently selected tab.
     *
     * @platform ios
     */
    normal?: TabsScreenItemStateAppearanceIOS | undefined;
    /**
     * Defines appearance for the tab bar item that is currently active.
     * The appearance is determined by the configuration of the currently selected tab itself.
     *
     * @platform ios
     */
    selected?: TabsScreenItemStateAppearanceIOS | undefined;
    /**
     * Defines appearance for a tab bar item when it receives focus.
     * The appearance is determined by the configuration of the currently selected tab.
     *
     * @platform ios
     */
    focused?: TabsScreenItemStateAppearanceIOS | undefined;
    /**
     * Defines appearance for tab bar items when they are disabled.
     * The appearance is determined by the configuration of the currently selected tab.
     *
     * @platform ios
     */
    disabled?: TabsScreenItemStateAppearanceIOS | undefined;
}
export interface TabsScreenItemStateAppearanceIOS {
    /**
     * @summary Specifies the font family used for the title of each tab bar item
     * when tab screen is selected.
     *
     * @platform ios
     */
    tabBarItemTitleFontFamily?: TextStyle['fontFamily'] | undefined;
    /**
     * @summary Specifies the font size used for the title of each tab bar item
     * when tab screen is selected.
     *
     * @platform ios
     */
    tabBarItemTitleFontSize?: TextStyle['fontSize'] | undefined;
    /**
     * @summary Specifies the font weight used for the title of each tab bar item
     * when tab screen is selected.
     *
     * @platform ios
     */
    tabBarItemTitleFontWeight?: TextStyle['fontWeight'] | undefined;
    /**
     * @summary Specifies the font style used for the title of each tab bar item
     * when tab screen is selected.
     *
     * @platform ios
     */
    tabBarItemTitleFontStyle?: TextStyle['fontStyle'] | undefined;
    /**
     * @summary Specifies the font color used for the title of each tab bar item
     * when tab screen is selected.
     *
     * Overrides the color defined in `tabBarTintColor` and `tabBarItemIconColor`.
     *
     * @platform ios
     */
    tabBarItemTitleFontColor?: TextStyle['color'] | undefined;
    /**
     * @summary Specifies the title offset for each tab bar item when tab screen
     * is selected.
     *
     * Depending on the iOS version and the device's interface orientation,
     * this setting may affect the alignment of the text, badge and icon.
     *
     * @platform ios
     */
    tabBarItemTitlePositionAdjustment?: {
        horizontal?: number | undefined;
        vertical?: number | undefined;
    } | undefined;
    /**
     * @summary Specifies the icon color for each tab bar item when tab screen
     * is selected.
     *
     * This also impacts the title text color.
     *
     * Starting from iOS 26, it only applies to selected tab bar item. Other items
     * adopt a dark or light appearance depending on the theme of the tab bar.
     *
     * Is overridden by `tabBarItemTitleFontColor` (for title text color).
     * Overrides `tabBarTintColor`.
     *
     * @platform ios
     */
    tabBarItemIconColor?: ColorValue | undefined;
    /**
     * @summary Specifies the background color of badges for each tab bar item
     * when tab screen is selected.
     *
     * @platform ios
     */
    tabBarItemBadgeBackgroundColor?: ColorValue | undefined;
}
export interface TabsScreenPropsIOS {
    /**
     * @summary Specifies the standard tab bar appearance.
     *
     * Allows to customize the appearance depending on the tab bar item layout (stacked,
     * inline, compact inline) and state (normal, selected, focused, disabled).
     *
     * @platform ios
     */
    standardAppearance?: TabsScreenAppearanceIOS | undefined;
    /**
     * @summary Specifies the tab bar appearace when edge of scrollable content aligns
     * with the edge of the tab bar.
     *
     * Allows to customize the appearance depending on the tab bar item layout (stacked,
     * inline, compact inline) and state (normal, selected, focused, disabled).
     *
     * If this property is `undefined`, UIKit uses `standardAppearance`, modified to
     * have a transparent background.
     *
     * @platform ios
     */
    scrollEdgeAppearance?: TabsScreenAppearanceIOS | undefined;
    /**
     * @summary Specifies the icon for the tab bar item.
     *
     * Supported values:
     * - `{ type: 'imageSource', imageSource, renderingMode? }`
     *   Uses an image from the provided resource. `renderingMode` defaults to
     *   `default`, which keeps the image's own colors. With `template` it is
     *   used as a template image and follows the state-dependent icon color.
     * - `{ type: 'sfSymbol', name, renderingMode? }`
     *   Uses an SF Symbol with the specified name. If no system symbol
     *   matches, falls back to a custom symbol with that name from the app's
     *   asset catalog. `renderingMode` defaults to `default`, the system
     *   behavior: a single color for system symbols, while for custom symbols
     *   the rendering intent set in the asset catalog may change it. `original`
     *   shows the symbol's own color layers (Apple's "multicolor" rendering).
     * - `{ type: 'xcasset', name }`
     *   Deprecated: use `sfSymbol` for custom symbols from the asset catalog, or
     *   `imageSource` with `{ uri: 'name' }` for asset catalog images (append
     *   `.png` to names containing a dot; add `renderingMode: 'template'` for an
     *   asset whose "Render As" is not `Original Image`).
     *   Uses an image from the asset catalog. Its colors follow the asset's
     *   "Render As" setting in the catalog: `Original Image` keeps its own colors,
     *   `Default` and `Template Image` follow the state-dependent icon color.
     * - `{ type: 'templateSource', templateSource }`
     *   Deprecated: use `{ type: 'imageSource', imageSource, renderingMode: 'template' }`
     *   instead. Uses the provided image as a template image.
     *
     * See `TabsScreenIconImageRenderingModeIOS` and
     * `TabsScreenIconSymbolRenderingModeIOS` for the meaning of each rendering mode.
     *
     * If no `selectedIcon` is provided, this icon will also
     * be used as the selected state icon.
     *
     * @platform ios
     */
    icon?: TabsScreenIconIOS | undefined;
    /**
     * @summary Specifies the icon for tab bar item when it is selected.
     *
     * Supports the same values as `icon` property. It must use the same icon
     * `type` as `icon`; `renderingMode` may differ, e.g.
     * `icon: { type: 'sfSymbol', name }` with
     * `selectedIcon: { type: 'sfSymbol', name, renderingMode: 'original' }`
     * shows the symbol tinted while unselected and in its own colors while selected.
     *
     * To use `selectedIcon`, `icon` must also be provided.
     *
     * @platform ios
     */
    selectedIcon?: TabsScreenIconIOS | undefined;
    /**
     * @summary System-provided tab bar item with predefined icon and title
     *
     * Uses Apple's built-in tab bar items (e.g., bookmarks, contacts, downloads) with
     * standard iOS styling and localized titles. Custom `icon` or `selectedIcon`
     * properties will override the system icon, and the system-defined title can be
     * overridden by providing a custom `title`.
     *
     * @remarks
     * On iOS 26, `systemItem: 'search'` acts as a detached tab bar item, which does not display
     * any title (system or custom). This no longer applies on iOS 27; to get a similar separation
     * use `role: 'search'` together with `automaticallyActivatesSearch`.
     *
     * @see {@link https://developer.apple.com/documentation/uikit/uitabbaritem/systemitem|UITabBarItem.SystemItem}
     *
     * @platform ios
     */
    systemItem?: TabsScreenSystemItem | undefined;
    /**
     * @summary Gives this tab a system role. Currently the only role is `'search'`,
     * which marks the tab as the system search tab.
     *
     * On iOS 26.1+ (where tabs are managed through the `UITab` API) a tab screen with
     * `role: 'search'` is backed natively by `UISearchTab`, which enables the system
     * search behavior: `automaticallyActivatesSearch` and the detached trailing
     * placement UIKit gives search tabs. Behavior differs between OS versions: iOS 26.x
     * detaches `UISearchTab` unconditionally, iOS 27.0 only while `automaticallyActivatesSearch`
     * is enabled. This prop does not affect the tab bar item's icon or title - combine
     * it with `systemItem: 'search'` for the system magnifier item. On iOS 27+ the detached
     * (prominent) placement can be given to any tab instead through `TabsHost`
     * `ios.prominentScreenKey`.
     *
     * The native tab class cannot change during the screen's lifetime - changing
     * `role` on a mounted tab screen is not supported and triggers an assertion
     * in development builds.
     *
     * @see {@link https://developer.apple.com/documentation/uikit/uisearchtab|UISearchTab}
     *
     * @default undefined
     *
     * @platform ios
     * @supported iOS 26.1 or higher
     */
    role?: TabsScreenRole | undefined;
    /**
     * @summary Specifies whether selecting this tab automatically activates its search field.
     *
     * Effective only for tab screens with `role: 'search'` and only when a search bar
     * is configured in the header of the screen stack nested in this tab
     * (see `headerSearchBarOptions`). When enabled, selecting the search tab immediately
     * activates the search field. Cancelling the search restores the previously selected tab.
     *
     * @see {@link https://developer.apple.com/documentation/uikit/uisearchtab/automaticallyactivatessearch|UISearchTab.automaticallyActivatesSearch}
     *
     * @default false
     *
     * @platform ios
     * @supported iOS 26.1 or higher
     */
    automaticallyActivatesSearch?: boolean | undefined;
    /**
     * @summary Specifies if `contentInsetAdjustmentBehavior` of first ScrollView
     * in first descendant chain from tab screen should be overridden back from `never`
     * to `automatic`.
     *
     * By default, `react-native`'s ScrollView has `contentInsetAdjustmentBehavior`
     * set to `never` instead of UIKit-default (which is `automatic`). This
     * prevents ScrollViews from respecting navigation bar insets.
     * When this prop is set to `true`, `automatic` behavior is reverted.
     *
     * Supported only on Fabric.
     *
     * @default true
     *
     * @platform ios
     */
    overrideScrollViewContentInsetAdjustmentBehavior?: boolean | undefined;
    /**
     * @summary Allows to override system appearance for the tab bar.
     *
     * Does not support dynamic changes to the prop value for the currently visible screen.
     *
     * Please note that this prop is marked as **experimental** and might be subject to breaking changes or even removal.
     * Consider using `colorScheme` on `TabsHost` instead.
     *
     * The following values are currently supported:
     * - `unspecified` - an unspecified interface style,
     * - `light` - the light interface style,
     * - `dark` - the dark interface style.
     *
     * The supported values correspond to the official UIKit documentation:
     *
     * @see {@link https://developer.apple.com/documentation/uikit/uiuserinterfacestyle|UIUserInterfaceStyle}
     *
     * @default unspecified
     *
     * @platform ios
     */
    experimental_userInterfaceStyle?: UserInterfaceStyle | undefined;
}
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