import type {SharedValue} from "react-native-reanimated"

// The sheet position equivalent to it being closed.
export const CLOSED_SNAP_POINT = 0

// The sheet position equivalent to it being at its content height.
export const CONTENT_HEIGHT_SNAP_POINT = "CONTENT_HEIGHT"

export const CONTENT_HEIGHT_WITH_OVERLAY_FOOTER_SNAP_POINT = "CONTENT_HEIGHT_WITH_OVERLAY_FOOTER"

// The sheet position equivalent to it being fully open.
export const FULLY_OPEN_SNAP_POINT = "100%"

/**
 * A flexible representation for the position of a bottom sheet.
 * It can be a number, a percentage, or the special 'CONTENT_HEIGHT' which
 * is equivalent to a layout height check of the sheet's contents.
 */
export type SheetPositionValue =
    | number
    | `${number}%`
    | typeof CLOSED_SNAP_POINT
    | typeof CONTENT_HEIGHT_SNAP_POINT
    | typeof CONTENT_HEIGHT_WITH_OVERLAY_FOOTER_SNAP_POINT
    | typeof FULLY_OPEN_SNAP_POINT
    | null
export type SheetPosition = SharedValue<SheetPositionValue> | SheetPositionValue

/**
 * A small data-structure to describe a lock on the bottom sheet's position.
 * Lower priority locks can be overridden by higher priority locks.
 */
export interface BottomSheetLock {
    id: string
    priority: number
}

/**
 * An enum that all the provided bottom sheet utilities make use of.
 * This helps keep behavior consistent (both internally to the package, and externally for consumers).
 */
export enum BottomSheetPositionBuiltInLockPriority {
    SNAP_WHEN_IDLE = 100,
    GESTURE = 200,
    ACTIONS_SNAP = 400,
    ACTIONS_CLOSE = 500,
}