part of 'index.dart';

class DocumentManagerScreen extends StatelessScreen {
  DocumentManagerScreen({
    super.key,
    required this.documents,
    required this.categories,
  });

  List<Document> documents;
  final List<Category> categories;

  @override
  Widget build(BuildContext context) {
    final GlobalKey<LocalSearchViewState> _listViewKey =
        GlobalKey<LocalSearchViewState>();

    bool filter(document, query) {
      final lowerQuery = query.toLowerCase();
      return document.title.toLowerCase().contains(lowerQuery) ||
          document.description.toLowerCase().contains(lowerQuery) ||
          document.category.title.toLowerCase().contains(lowerQuery) ||
          document.to.toLowerCase().contains(lowerQuery) ||
          document.from.toLowerCase().contains(lowerQuery) ||
          document.createdAt.toLowerCase().contains(lowerQuery) ||
          document.updatedAt.toLowerCase().contains(lowerQuery);
    }

    DocumentItem itemBuilder(document) => DocumentItem(document: document);

    void filterByCategory(Category query) {
      print('Test');
      final state = _listViewKey.currentState;

      if (state != null) {
        state.safeSetState(() {
          state.filteredItems = documents
              .where((documents) => filter(documents, query.title))
              .toList();
        });
      }
    }

    void unfilter(Category) {
      final state = _listViewKey.currentState;
      if (state != null) {
        state.safeSetState(() {
          state.filteredItems = documents;
        });
      }
    }

    final header = Column(
      mainAxisSize: MainAxisSize.max,
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisAlignment: MainAxisAlignment.start,
      children: [
        Padding(
          padding: const EdgeInsets.fromLTRB(15, 0, 50, 0),
          child: Text('Últimos Documentos'),
        ),
        CategoryCarousel(
          categories: categories,
          onSelect: filterByCategory,
          onUnselect: unfilter,
        ),
      ],
    );
    List<Document> filterByString(String query) {
      return documents.where((documents) => filter(documents, query)).toList();
    }

    final SizedBox space = SizedBox(height: 30);

    return Column(
      children: [
        Expanded(
          child: LocalSearchView<Document>(
            key: _listViewKey,
            header: header,
            onSearch: filterByString,
            list: documents,
            itemBuilder: itemBuilder,
            filter: filter,
          ),
        ),
      ] //
          .addToStart(space)
          .addToEnd(space),
    );
  }
}