spotube/lib/modules/library/user_albums.dart

import 'package:flutter/material.dart' hide Image;
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:collection/collection.dart';
import 'package:fuzzywuzzy/fuzzywuzzy.dart';
import 'package:gap/gap.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:skeletonizer/skeletonizer.dart';
import 'package:spotube/collections/fake.dart';

import 'package:spotube/collections/spotube_icons.dart';
import 'package:spotube/modules/album/album_card.dart';
import 'package:spotube/components/inter_scrollbar/inter_scrollbar.dart';
import 'package:spotube/components/fallbacks/anonymous_fallback.dart';
import 'package:spotube/components/waypoint.dart';
import 'package:spotube/extensions/constrains.dart';
import 'package:spotube/extensions/context.dart';
import 'package:spotube/provider/authentication/authentication.dart';
import 'package:spotube/provider/spotify/spotify.dart';

class UserAlbums extends HookConsumerWidget {
  const UserAlbums({super.key});

  @override
  Widget build(BuildContext context, ref) {
    final auth = ref.watch(authenticationProvider);
    final albumsQuery = ref.watch(favoriteAlbumsProvider);
    final albumsQueryNotifier = ref.watch(favoriteAlbumsProvider.notifier);

    final controller = useScrollController();

    final searchText = useState('');

    final albums = useMemoized(() {
      if (searchText.value.isEmpty) {
        return albumsQuery.asData?.value.items ?? [];
      }
      return albumsQuery.asData?.value.items
              .map((e) => (
                    weightedRatio(e.name!, searchText.value),
                    e,
                  ))
              .sorted((a, b) => b.$1.compareTo(a.$1))
              .where((e) => e.$1 > 50)
              .map((e) => e.$2)
              .toList() ??
          [];
    }, [albumsQuery.asData?.value, searchText.value]);

    if (auth.asData?.value == null) {
      return const AnonymousFallback();
    }

    return SafeArea(
      child: Scaffold(
        body: RefreshIndicator(
          onRefresh: () async {
            ref.invalidate(favoriteAlbumsProvider);
          },
          child: InterScrollbar(
            controller: controller,
            child: CustomScrollView(
              controller: controller,
              slivers: [
                SliverAppBar(
                  floating: true,
                  flexibleSpace: Padding(
                    padding: const EdgeInsets.symmetric(horizontal: 8.0),
                    child: SearchBar(
                      onChanged: (value) => searchText.value = value,
                      leading: const Icon(SpotubeIcons.filter),
                      hintText: context.l10n.filter_albums,
                    ),
                  ),
                ),
                const SliverGap(10),
                Skeletonizer.sliver(
                  enabled: albumsQuery.isLoading,
                  child: SliverLayoutBuilder(builder: (context, constrains) {
                    return SliverGrid.builder(
                      itemCount: albums.isEmpty ? 6 : albums.length + 1,
                      gridDelegate: SliverGridDelegateWithMaxCrossAxisExtent(
                        maxCrossAxisExtent: 200,
                        mainAxisExtent: constrains.smAndDown ? 225 : 250,
                        crossAxisSpacing: 8,
                        mainAxisSpacing: 8,
                      ),
                      itemBuilder: (context, index) {
                        if (albums.isNotEmpty && index == albums.length) {
                          if (albumsQuery.asData?.value.hasMore != true) {
                            return const SizedBox.shrink();
                          }

                          return Waypoint(
                            controller: controller,
                            isGrid: true,
                            onTouchEdge: albumsQueryNotifier.fetchMore,
                            child: Skeletonizer(
                              enabled: true,
                              child: AlbumCard(FakeData.albumSimple),
                            ),
                          );
                        }

                        return AlbumCard(
                          albums.elementAtOrNull(index) ?? FakeData.albumSimple,
                        );
                      },
                    );
                  }),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}