import { createContext, useContext } from 'react';
import type { MutableRefObject } from 'react';

interface DragableDrawerContextValue {
  /** Whether the drawer has settled at maximum height (offset === 0). */
  isAtMaxHeight: boolean;
  /** Current vertical scroll offset reported by DragableScrollView. */
  scrollYRef: MutableRefObject<number>;
  /** Report scroll offset changes from DragableScrollView. */
  onScrollY: (y: number) => void;
  /** Begin a drawer pan gesture (stops any running animation). */
  beginPan: () => void;
  /** Move the drawer by dy pixels during an active pan. */
  movePan: (dy: number) => void;
  /** End pan and snap to the nearest snap point. */
  releasePan: (dy: number, vy: number) => void;
}

const noop = () => ({});

const DragableDrawerContext = createContext<DragableDrawerContextValue>({
  isAtMaxHeight: false,
  scrollYRef: { current: 0 },
  onScrollY: noop,
  beginPan: noop,
  movePan: noop,
  releasePan: noop,
});

export const useDragableDrawerContext = () => useContext(DragableDrawerContext);

export default DragableDrawerContext;