#GestureViewer Props

import { GestureViewer } from 'react-native-gesture-image-viewer';

function App() {
  const [currentIndex, setCurrentIndex] = useState(0);

  return (
    <GestureViewer
      enableLoop={true}
    />
  );
}

import { GestureViewer } from 'react-native-gesture-image-viewer';

function App() {
  const [currentIndex, setCurrentIndex] = useState(0);

  return (
    <GestureViewer
      onIndexChange={setCurrentIndex}
    />
  );
}

import { GestureViewer } from 'react-native-gesture-image-viewer';

function App() {
  return (
    <GestureViewer
      data={data}
      renderItem={renderItem}
      useSnap={true}
    />
  );
}

import { GestureViewer } from 'react-native-gesture-image-viewer';

function App() {
  return (
    <GestureViewer
      data={data}
      renderItem={renderItem}
      useSnap={true}
      itemSpacing={16} // 16px spacing between items
    />
  );
}

export interface GestureViewerProps<T = any, LC = typeof RNFlatList> {
  /**
   * When you want to efficiently manage multiple `GestureViewer` instances, you can use the `id` prop to use multiple `GestureViewer` components.
   * @remarks `GestureViewer` automatically removes instances from memory when components are unmounted, so no manual memory management is required.
   * @defaultValue 'default'
   */
  id?: string;
  /**
   * The data to display in the `GestureViewer`.
   */
  data: T[];
  /**
   * The index of the item to display in the `GestureViewer` when the component is mounted.
   * @defaultValue 0
   */
  initialIndex?: number;
  /**
   * A callback function that is called when the index of the item changes.
   */
  onIndexChange?: (index: number) => void;
  /**
   * A callback function that is called when the `GestureViewer` is dismissed.
   */
  onDismiss?: () => void;
  /**
   * A callback function that is called when the dismiss interaction starts.
   * @remarks Useful to hide external UI (e.g., headers, buttons) while the dismiss gesture/animation is in progress.
   */
  onDismissStart?: () => void;
  /**
   * A callback function that is called to render the item.
   */
  renderItem: (item: T, index: number) => React.ReactElement;
  /**
   * A callback function that is called to render the container.
   * @remarks Useful for composing additional UI (e.g., close button, toolbars) around the viewer.
   * The second argument provides control helpers such as `dismiss()` to close the viewer.
   *
   * @param children - The viewer content to be rendered inside your container.
   * @param helpers - Control helpers for the viewer. Currently includes `dismiss()`.
   * @returns A React element that wraps and renders the provided `children`.
   */
  renderContainer?: (children: React.ReactElement, helpers: { dismiss: () => void }) => React.ReactElement;
  /**
   * Support for any list component like `ScrollView`, `FlatList`, `FlashList` through the `ListComponent` prop.
   */
  ListComponent: LC;
  /**
   * The width of the `GestureViewer`.
   * @remarks If you don't set this prop, the width of the `GestureViewer` will be the same as the width of the screen.
   * @defaultValue screen width
   */
  width?: number;
  /**
   * Enables snap scrolling mode.
   *
   * @remarks
   * **`false` (default)**: Paging mode (`pagingEnabled: true`)
   * - Scrolls by full screen size increments
   *
   * **`true`**: Snap mode (`snapToInterval` auto-calculated)
   * - `snapToInterval` is automatically calculated based on `width` and `itemSpacing` values
   * - Use this option when you need item spacing
   * @defaultValue false
   *
   */
  useSnap?: boolean;
  /**
   * `dismissThreshold` controls when `onDismiss` is called by applying a threshold value during vertical gestures.
   * @defaultValue 80
   */
  dismissThreshold?: number;
  // swipeThreshold?: number;
  // velocityThreshold?: number;
  /**
   * Calls `onDismiss` function when swiping down.
   * @remarks Useful for closing modals with downward swipe gestures.
   * @defaultValue true
   */
  enableDismissGesture?: boolean;
  /**
   * Controls left/right swipe gestures.
   * @remarks When `false`, horizontal gestures are disabled.
   * @defaultValue true
   */
  enableSwipeGesture?: boolean;
  /**
   * `resistance` controls the range of vertical movement by applying resistance during vertical gestures.
   * @defaultValue 2
   */
  resistance?: number;
  /**
   * The props to pass to the list component.
   * @remarks The `listProps` provides **type inference based on the selected list component**, ensuring accurate autocompletion and type safety in your IDE.
   */
  listProps?: Partial<ConditionalListProps<LC>>;
  /**
   * The style of the backdrop.
   */
  backdropStyle?: StyleProp<ViewStyle>;
  /**
   * The style of the container.
   */
  containerStyle?: StyleProp<ViewStyle>;
  /**
   * By default, the background `opacity` gradually decreases from 1 to 0 during downward swipe gestures.
   * @remarks When `false`, this animation is disabled.
   * @defaultValue true
   */
  animateBackdrop?: boolean;
  /**
   * Only works when zoom is active, allows moving item position when zoomed.
   * @remarks When `false`, gesture movement is disabled during zoom.
   * @defaultValue true
   */
  enableZoomPanGesture?: boolean;
  /**
   * Controls two-finger pinch gestures.
   * @remarks When `false`, two-finger zoom gestures are disabled.
   * @defaultValue true
   */
  enableZoomGesture?: boolean;
  /**
   * Controls double-tap zoom gestures.
   * @remarks When `false`, double-tap zoom gestures are disabled.
   * @defaultValue true
   */
  enableDoubleTapGesture?: boolean;
  /**
   * Enables infinite loop navigation.
   * @defaultValue false
   */
  enableLoop?: boolean;
  /**
   * The maximum zoom scale.
   * @defaultValue 2
   */
  maxZoomScale?: number;
  /**
   * The spacing between items in pixels.
   * @remarks Only applied when `useSnap` is `true`.
   * @defaultValue 0
   */
  itemSpacing?: number;
  /**
   * Trigger-based animation settings
   * @remarks You can customize animation duration, easing, and system reduce-motion behavior.
   *
   * @example
   * ```tsx
   * <GestureViewer
   *   triggerAnimation={{
   *     duration: 250,
   *     easing: Easing.out(Easing.cubic),
   *     reduceMotion: 'system',
   *     onAnimationComplete: () => {
   *       console.log('Animation complete');
   *     },
   *   }}
   * />
   * ```
   */
  triggerAnimation?: TriggerAnimationConfig;
}