import 'package:fl_query_hooks/fl_query_hooks.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart' hide Page;
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:spotify/spotify.dart';
import 'package:spotube/components/Album/AlbumCard.dart';
import 'package:spotube/components/Artist/ArtistCard.dart';
import 'package:spotube/components/Playlist/PlaylistCard.dart';
import 'package:spotube/components/Shared/AnonymousFallback.dart';
import 'package:spotube/components/Shared/TrackTile.dart';
import 'package:spotube/hooks/useBreakpoints.dart';
import 'package:spotube/models/CurrentPlaylist.dart';
import 'package:spotube/provider/Auth.dart';
import 'package:spotube/provider/Playback.dart';
import 'package:spotube/provider/SpotifyDI.dart';
import 'package:spotube/provider/SpotifyRequests.dart';
import 'package:spotube/utils/primitive_utils.dart';
import 'package:spotube/utils/type_conversion_utils.dart';
import 'package:tuple/tuple.dart';

final searchTermStateProvider = StateProvider<String>((ref) => "");

class Search extends HookConsumerWidget {
  const Search({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context, ref) {
    final Auth auth = ref.watch(authProvider);
    final albumController = useScrollController();
    final playlistController = useScrollController();
    final artistController = useScrollController();
    final breakpoint = useBreakpoints();

    final searchMutation = useMutation(
      job: searchMutationJob,
    );

    if (auth.isAnonymous) {
      return const AnonymousFallback();
    }

    final getVariables = useCallback(
      () => Tuple2(
        ref.read(searchTermStateProvider),
        ref.read(spotifyProvider),
      ),
      [],
    );

    return SafeArea(
      child: Material(
        color: Theme.of(context).backgroundColor,
        child: Column(
          children: [
            Container(
              padding: const EdgeInsets.symmetric(
                horizontal: 20,
                vertical: 10,
              ),
              color: Theme.of(context).backgroundColor,
              child: TextField(
                onChanged: (value) {
                  ref.read(searchTermStateProvider.notifier).state = value;
                },
                decoration: InputDecoration(
                  isDense: true,
                  suffix: ElevatedButton(
                    child: const Icon(Icons.search_rounded),
                    onPressed: () {
                      searchMutation.mutate(getVariables());
                    },
                  ),
                  contentPadding: const EdgeInsets.symmetric(
                    horizontal: 10,
                    vertical: 7,
                  ),
                  hintStyle: const TextStyle(height: 2),
                  hintText: "Search...",
                ),
                onSubmitted: (value) {
                  searchMutation.mutate(getVariables());
                },
              ),
            ),
            HookBuilder(
              builder: (context) {
                if (searchMutation.hasError && searchMutation.isError) {
                  return Text("Alas! Error=${searchMutation.error}");
                }
                if (searchMutation.isLoading) {
                  return const CircularProgressIndicator();
                }

                Playback playback = ref.watch(playbackProvider);
                List<AlbumSimple> albums = [];
                List<Artist> artists = [];
                List<Track> tracks = [];
                List<PlaylistSimple> playlists = [];
                for (MapEntry<int, Page> page
                    in (searchMutation.data ?? []).asMap().entries) {
                  for (var item in page.value.items ?? []) {
                    if (item is AlbumSimple) {
                      albums.add(item);
                    } else if (item is PlaylistSimple) {
                      playlists.add(item);
                    } else if (item is Artist) {
                      artists.add(item);
                    } else if (item is Track) {
                      tracks.add(item);
                    }
                  }
                }
                return Expanded(
                  child: SingleChildScrollView(
                    child: Padding(
                      padding: const EdgeInsets.symmetric(
                        vertical: 8,
                        horizontal: 20,
                      ),
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          if (tracks.isNotEmpty)
                            Text(
                              "Songs",
                              style: Theme.of(context).textTheme.headline5,
                            ),
                          ...tracks.asMap().entries.map((track) {
                            String duration =
                                "${track.value.duration?.inMinutes.remainder(60)}:${PrimitiveUtils.zeroPadNumStr(track.value.duration?.inSeconds.remainder(60) ?? 0)}";
                            return TrackTile(
                              playback,
                              track: track,
                              duration: duration,
                              isActive: playback.track?.id == track.value.id,
                              onTrackPlayButtonPressed: (currentTrack) async {
                                var isPlaylistPlaying = playback.playlist?.id !=
                                        null &&
                                    playback.playlist?.id == currentTrack.id;
                                if (!isPlaylistPlaying) {
                                  playback.playPlaylist(
                                    CurrentPlaylist(
                                      tracks: [currentTrack],
                                      id: currentTrack.id!,
                                      name: currentTrack.name!,
                                      thumbnail:
                                          TypeConversionUtils.image_X_UrlString(
                                        currentTrack.album?.images,
                                        placeholder: ImagePlaceholder.albumArt,
                                      ),
                                    ),
                                  );
                                } else if (isPlaylistPlaying &&
                                    currentTrack.id != null &&
                                    currentTrack.id != playback.track?.id) {
                                  playback.play(currentTrack);
                                }
                              },
                            );
                          }),
                          if (albums.isNotEmpty)
                            Text(
                              "Albums",
                              style: Theme.of(context).textTheme.headline5,
                            ),
                          const SizedBox(height: 10),
                          ScrollConfiguration(
                            behavior: ScrollConfiguration.of(context).copyWith(
                              dragDevices: {
                                PointerDeviceKind.touch,
                                PointerDeviceKind.mouse,
                              },
                            ),
                            child: Scrollbar(
                              controller: albumController,
                              child: SingleChildScrollView(
                                scrollDirection: Axis.horizontal,
                                controller: albumController,
                                child: Row(
                                  children: albums.map((album) {
                                    return AlbumCard(
                                      TypeConversionUtils.simpleAlbum_X_Album(
                                        album,
                                      ),
                                    );
                                  }).toList(),
                                ),
                              ),
                            ),
                          ),
                          const SizedBox(height: 20),
                          if (artists.isNotEmpty)
                            Text(
                              "Artists",
                              style: Theme.of(context).textTheme.headline5,
                            ),
                          const SizedBox(height: 10),
                          ScrollConfiguration(
                            behavior: ScrollConfiguration.of(context).copyWith(
                              dragDevices: {
                                PointerDeviceKind.touch,
                                PointerDeviceKind.mouse,
                              },
                            ),
                            child: Scrollbar(
                              controller: artistController,
                              child: SingleChildScrollView(
                                scrollDirection: Axis.horizontal,
                                controller: artistController,
                                child: Row(
                                  children: artists
                                      .map(
                                        (artist) => Container(
                                          margin: const EdgeInsets.symmetric(
                                              horizontal: 15),
                                          child: ArtistCard(artist),
                                        ),
                                      )
                                      .toList(),
                                ),
                              ),
                            ),
                          ),
                          const SizedBox(height: 20),
                          if (playlists.isNotEmpty)
                            Text(
                              "Playlists",
                              style: Theme.of(context).textTheme.headline5,
                            ),
                          const SizedBox(height: 10),
                          ScrollConfiguration(
                            behavior: ScrollConfiguration.of(context).copyWith(
                              dragDevices: {
                                PointerDeviceKind.touch,
                                PointerDeviceKind.mouse,
                              },
                            ),
                            child: Scrollbar(
                              scrollbarOrientation: breakpoint > Breakpoints.md
                                  ? ScrollbarOrientation.bottom
                                  : ScrollbarOrientation.top,
                              controller: playlistController,
                              child: SingleChildScrollView(
                                scrollDirection: Axis.horizontal,
                                controller: playlistController,
                                child: Row(
                                  children: playlists
                                      .map(
                                        (playlist) => PlaylistCard(playlist),
                                      )
                                      .toList(),
                                ),
                              ),
                            ),
                          ),
                        ],
                      ),
                    ),
                  ),
                );
              },
            )
          ],
        ),
      ),
    );
  }
}