flutter-freaccess-hub/lib/shared/widgets/view/search_view.dart

part of '../widgets.dart';

/// -----------------------------------------------
/// [SearchView]

class SearchView<T> extends StatefulComponent {
  const SearchView({super.key});

  @override
  State<SearchView> createState() => _SearchViewState();
}

class _SearchViewState<T> extends State<SearchView> {
  @override
  Widget build(BuildContext context) {
    return const Placeholder();
  }
}

class LocalSearchView<T> extends SearchView<T> {
  final List<T> list;
  final Widget Function(T) itemBuilder;
  final bool Function(T, String) filter;
  final Widget header;
  final List<T> Function(String)? onSearch;

  LocalSearchView({
    Key? key,
    required this.list,
    required this.itemBuilder,
    required this.filter,
    List<T> Function(String)? onSearch,
    Widget? header,
  })  : header = header ?? const SizedBox.shrink(),
        onSearch = onSearch ??
            ((String query) =>
                list.where((documents) => filter(documents, query)).toList()),
        super(key: key);

  // return documents.where((documents) => filter(documents, query)).toList();

  @override
  LocalSearchViewState<T> createState() => LocalSearchViewState<T>();
}

class LocalSearchViewState<T> extends State<LocalSearchView<T>> {
  TextEditingController editingController = TextEditingController();
  late List<T> filteredItems;

  @override
  void initState() {
    filteredItems = widget.list;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    void filter(value) {
      safeSetState(() {
        filteredItems = widget.onSearch!(value);
      });
    }

    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisAlignment: MainAxisAlignment.center,
      mainAxisSize: MainAxisSize.max,
      children: <Widget>[
        Expanded(
          child: ListView.builder(
            shrinkWrap: true,
            itemCount: filteredItems.length + 1,
            itemBuilder: (context, index) {
              if (index == 0) return widget.header;
              return widget.itemBuilder(filteredItems[index - 1]);
            },
          ),
        ),
        Padding(
          padding: const EdgeInsets.all(30.0),
          child: TextField(
            onChanged: filter,
            controller: editingController,
            cursorColor: Colors.black,
            decoration: InputDecoration(
              prefixIcon: Icon(Icons.search),
              focusColor: Colors.black,
              hoverColor: Colors.black,
              fillColor: Colors.black,
              iconColor: Colors.black,
              contentPadding:
                  EdgeInsets.symmetric(vertical: 10.0, horizontal: 10.0),
              border: OutlineInputBorder(
                borderRadius: BorderRadius.all(Radius.circular(15.0)),
                borderSide:
                    BorderSide(color: Colors.black), // Set border color here
              ),
              focusedBorder: OutlineInputBorder(
                borderRadius: BorderRadius.all(Radius.circular(15.0)),
                borderSide: BorderSide(
                    color: Colors.black), // Set focused border color here
              ),
            ),
          ),
        ),
      ],
    );
  }
}

class RemoteSearchListView<T> extends SearchView<T> {
  final List<T> list;
  final String title;
  final Widget Function(T) itemBuilder;
  // final Future<List<T>> Function(String) fetchItems;
  final bool Function(T, String) filter;
  final Widget header;
  final List<T> Function(String)? onSearch;

  RemoteSearchListView({
    Key? key,
    // required this.fetchItems,
    required this.title,
    required this.list,
    required this.itemBuilder,
    required this.filter,
    List<T> Function(String)? onSearch,
    Widget? header,
  })  : header = header ?? const SizedBox.shrink(),
        onSearch = onSearch ??
            ((String query) =>
                list.where((documents) => filter(documents, query)).toList()),
        super(key: key);

  @override
  _RemoteSearchViewState<T> createState() => _RemoteSearchViewState<T>();
}

class _RemoteSearchViewState<T> extends State<RemoteSearchListView<T>>
    with Pageable {
  TextEditingController editingController = TextEditingController();
  late List<T> filteredItems;
  bool isLoading = false;
  final apiCall = FreAccessWSGlobal.getDocuments;
  int count = 0;
  final PagingController<int, dynamic> _pagingController =
      PagingController<int, dynamic>(firstPageKey: 1);

  @override
  void initState() {
    filteredItems = widget.list;
    _pagingController.addPageRequestListener(
      (dynamic pageKey) => fetchPage(
        dataProvider: () async {
          final newItems = await apiCall.call(pageKey.toString());
          if (newItems.jsonBody == null) return (false, null);
          final List<dynamic> docs =
              (newItems.jsonBody['value']['list'] as List<dynamic>?) ?? [];
          _pagingController.nextPageKey = pageKey + 1;

          safeSetState(() {
            count = newItems.jsonBody['value']['count'] ?? 0;
          });
          return (docs.isNotEmpty, docs);
        },
        onDataUnavailable: () {
          setState(() {});
          showNoMoreDataSnackBar(context);
        },
        onDataAvailable: (vehicles) {
          setState(() {});
          _pagingController.appendLastPage(vehicles);
        },
        onFetchError: (e, s) {
          DialogUtil.errorDefault(context);
          LogUtil.requestAPIFailed(
              "proccessRequest.php", "", "Consulta de Veículo", e, s);
          setState(() {});
        },
      ),
    );
    _pagingController.addStatusListener(_showError);

    super.initState();
  }

  Future<void> _showError(PagingStatus status) async {
    if (status == PagingStatus.subsequentPageError) {
      final message = FFLocalizations.of(context).getVariableText(
        enText: 'Something went wrong while fetching a new page.',
        ptText: 'Algo deu errado ao buscar uma nova página.',
      );
      final retry = FFLocalizations.of(context).getVariableText(
        enText: 'Retry',
        ptText: 'Recarregar',
      );

      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text(message),
          action: SnackBarAction(
            label: retry,
            onPressed: () => _pagingController.retryLastFailedRequest(),
          ),
        ),
      );
    }
  }

  void filterSearchResults(String query) async {
    setState(() {
      isLoading = true;
    });
    // final results = await widget.fetchItems(query);
    // setState(() {
    //   filteredItems = results;
    //   isLoading = false;
    // });
  }

  @override
  Widget build(BuildContext context) {
    final noDataFound = FFLocalizations.of(context).getVariableText(
      ptText: "Nenhum veículo encontrado!",
      enText: "No vehicle found",
    );
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisAlignment: MainAxisAlignment.center,
      mainAxisSize: MainAxisSize.max,
      children: <Widget>[
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: TextField(
            onChanged: (value) => filterSearchResults(value),
            controller: editingController,
            decoration: InputDecoration(
              labelText: "Search",
              hintText: "Search",
              prefixIcon: Icon(Icons.search),
              border: OutlineInputBorder(
                borderRadius: BorderRadius.all(Radius.circular(25.0)),
              ),
            ),
          ),
        ),
        widget.header,
        buildPaginatedListView<int, dynamic>(
          noDataFound,
          _pagingController,
          (BuildContext context, dynamic item, int index) =>
              widget.itemBuilder(item),
        ),
      ],
    );
  }
}