part of '../home_collections.dart';

class _AppBar extends StatelessWidget {
  const _AppBar();

  @override
  Widget build(BuildContext context) {
    return _BlocBuilder(
      buildWhen: (previous, current) => previous.isLoading != current.isLoading,
      builder: (context, state) => HomeSliverAppBar(
        account: context.bloc.account,
        isShowProgressIcon: state.isLoading,
        menuActions: [
          PopupMenuItem(
            value: _menuValueSort,
            child: Text(L10n.global().sortTooltip),
          ),
          PopupMenuItem(
            value: _menuValueImport,
            child: Text(L10n.global().importFoldersTooltip),
          ),
        ],
        onSelectedMenuActions: (option) {
          switch (option) {
            case _menuValueSort:
              _onSortPressed(context);
              break;

            case _menuValueImport:
              _onImportPressed(context);
              break;
          }
        },
      ),
    );
  }

  Future<void> _onSortPressed(BuildContext context) async {
    final sort = context.state.sort;
    final result = await showDialog<collection_util.CollectionSort>(
      context: context,
      builder: (context) => FancyOptionPicker(
        title: Text(L10n.global().sortOptionDialogTitle),
        items: [
          FancyOptionPickerItem(
            label: L10n.global().sortOptionTimeDescendingLabel,
            isSelected: sort == collection_util.CollectionSort.dateDescending,
            onSelect: () {
              Navigator.of(context)
                  .pop(collection_util.CollectionSort.dateDescending);
            },
          ),
          FancyOptionPickerItem(
            label: L10n.global().sortOptionTimeAscendingLabel,
            isSelected: sort == collection_util.CollectionSort.dateAscending,
            onSelect: () {
              Navigator.of(context)
                  .pop(collection_util.CollectionSort.dateAscending);
            },
          ),
          FancyOptionPickerItem(
            label: L10n.global().sortOptionAlbumNameLabel,
            isSelected: sort == collection_util.CollectionSort.nameAscending,
            onSelect: () {
              Navigator.of(context)
                  .pop(collection_util.CollectionSort.nameAscending);
            },
          ),
          FancyOptionPickerItem(
            label: L10n.global().sortOptionAlbumNameDescendingLabel,
            isSelected: sort == collection_util.CollectionSort.nameDescending,
            onSelect: () {
              Navigator.of(context)
                  .pop(collection_util.CollectionSort.nameDescending);
            },
          ),
        ],
      ),
    );
    if (result == null) {
      return;
    }
    context.addEvent(_SetCollectionSort(result));
  }

  void _onImportPressed(BuildContext context) {
    Navigator.of(context).pushNamed(AlbumImporter.routeName,
        arguments: AlbumImporterArguments(context.bloc.account));
  }

  static const _menuValueImport = 0;
  static const _menuValueSort = 1;
}

@npLog
class _SelectionAppBar extends StatelessWidget {
  const _SelectionAppBar();

  @override
  Widget build(BuildContext context) {
    return _BlocBuilder(
      buildWhen: (previous, current) =>
          previous.selectedItems != current.selectedItems,
      builder: (context, state) => SelectionAppBar(
        count: state.selectedItems.length,
        onClosePressed: () {
          context.addEvent(const _SetSelectedItems(items: {}));
        },
        actions: [
          IconButton(
            icon: const Icon(Icons.delete),
            tooltip: L10n.global().deleteTooltip,
            onPressed: () {
              context.addEvent(const _RemoveSelectedItems());
            },
          ),
        ],
      ),
    );
  }
}