SortBy

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class SearchSortBy extends StatefulWidget {
  const SearchSortBy({
    super.key,
    required this.searcher,
    required this.sorts,
    required this.selected,
  });

  final HitsSearcher searcher; // can be lifted up (w/ callback)
  final Map<String, String> sorts;
  final String selected;

  @override
  State<SearchSortBy> createState() => _SearchSortByState();
}

class _SearchSortByState extends State<SearchSortBy> {
  late String selected = widget.selected;

  @override
  Widget build(BuildContext context) {
    return Card(
      child: DropdownButton(
        value: selected,
        items: widget.sorts.keys
            .map((sort) => DropdownMenuItem(
                  value: sort,
                  child: Text(sort),
                ))
            .toList(),
        onChanged: (value) {
          setState(() => selected = value!);
          widget.searcher.applyState(
              (state) => state.copyWith(indexName: widget.sorts[value]!));
        },
      ),
    );
  }
}