import { type Accessor, createContext, useContext } from "solid-js";

/**
 * Group-collection scope pushed by `<Combobox.Group>` consumers who want to
 * render nested `<Combobox.Collection>` output against their own sub-list
 * of items. `null` when outside any group → Collection falls back to
 * `root.filteredItems()`.
 */
export interface GroupCollectionContextValue {
	items: Accessor<readonly unknown[]>;
}

export const GroupCollectionContext =
	createContext<GroupCollectionContextValue | null>(null);

export function useGroupCollectionContext(): GroupCollectionContextValue | null {
	return useContext(GroupCollectionContext);
}