import 'dart:ui';

import 'package:collection/collection.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:fuzzywuzzy/fuzzywuzzy.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';

import 'package:scroll_to_index/scroll_to_index.dart';
import 'package:spotube/collections/spotube_icons.dart';
import 'package:spotube/components/shared/fallbacks/not_found.dart';
import 'package:spotube/components/shared/inter_scrollbar/inter_scrollbar.dart';
import 'package:spotube/components/shared/track_tile/track_tile.dart';
import 'package:spotube/extensions/artist_simple.dart';
import 'package:spotube/extensions/constrains.dart';
import 'package:spotube/extensions/context.dart';
import 'package:spotube/hooks/controllers/use_auto_scroll_controller.dart';
import 'package:spotube/provider/proxy_playlist/proxy_playlist_provider.dart';

class PlayerQueue extends HookConsumerWidget {
  final bool floating;
  const PlayerQueue({
    this.floating = true,
    super.key,
  });

  @override
  Widget build(BuildContext context, ref) {
    final playlist = ref.watch(ProxyPlaylistNotifier.provider);
    final playlistNotifier = ref.watch(ProxyPlaylistNotifier.notifier);
    final controller = useAutoScrollController();
    final searchText = useState('');

    final isSearching = useState(false);

    final tracks = playlist.tracks;
    final borderRadius = floating
        ? const BorderRadius.only(
            topLeft: Radius.circular(10),
          )
        : const BorderRadius.only(
            topLeft: Radius.circular(10),
            topRight: Radius.circular(10),
          );
    final theme = Theme.of(context);
    final mediaQuery = MediaQuery.of(context);
    final headlineColor = theme.textTheme.headlineSmall?.color;

    final filteredTracks = useMemoized(
      () {
        if (searchText.value.isEmpty) {
          return tracks;
        }
        return tracks
            .map((e) => (
                  weightedRatio(
                    '${e.name!} - ${e.artists?.asString() ?? ""}',
                    searchText.value,
                  ),
                  e
                ))
            .sorted((a, b) => b.$1.compareTo(a.$1))
            .where((e) => e.$1 > 50)
            .map((e) => e.$2)
            .toList();
      },
      [tracks, searchText.value],
    );

    useEffect(() {
      if (playlist.active == null) return null;

      if (playlist.active! < 0) return;
      controller.scrollToIndex(
        playlist.active!,
        preferPosition: AutoScrollPosition.middle,
      );
      return null;
    }, []);

    if (tracks.isEmpty) {
      return const NotFound(vertical: true);
    }

    return ClipRRect(
      borderRadius: borderRadius,
      clipBehavior: Clip.hardEdge,
      child: BackdropFilter(
        filter: ImageFilter.blur(
          sigmaX: 15,
          sigmaY: 15,
        ),
        child: Container(
          padding: const EdgeInsets.only(
            top: 5.0,
          ),
          decoration: BoxDecoration(
            color: theme.colorScheme.surfaceVariant.withOpacity(0.5),
            borderRadius: borderRadius,
          ),
          child: CallbackShortcuts(
            bindings: {
              LogicalKeySet(LogicalKeyboardKey.escape): () {
                if (!isSearching.value) {
                  Navigator.of(context).pop();
                }
                isSearching.value = false;
                searchText.value = '';
              }
            },
            child: Column(
              children: [
                if (!floating)
                  Container(
                    height: 5,
                    width: 100,
                    margin: const EdgeInsets.only(bottom: 5, top: 2),
                    decoration: BoxDecoration(
                      color: headlineColor,
                      borderRadius: BorderRadius.circular(20),
                    ),
                  ),
                Row(
                  crossAxisAlignment: CrossAxisAlignment.center,
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    if (mediaQuery.mdAndUp || !isSearching.value) ...[
                      const SizedBox(width: 10),
                      Text(
                        context.l10n.tracks_in_queue(tracks.length),
                        style: TextStyle(
                          color: headlineColor,
                          fontWeight: FontWeight.bold,
                          fontSize: 18,
                        ),
                      ),
                      const Spacer(),
                    ],
                    if (mediaQuery.mdAndUp || isSearching.value)
                      TextField(
                        onChanged: (value) {
                          searchText.value = value;
                        },
                        decoration: InputDecoration(
                          hintText: context.l10n.search,
                          isDense: true,
                          prefixIcon: mediaQuery.smAndDown
                              ? IconButton(
                                  icon: const Icon(
                                    Icons.arrow_back_ios_new_outlined,
                                  ),
                                  onPressed: () {
                                    isSearching.value = false;
                                    searchText.value = '';
                                  },
                                  style: IconButton.styleFrom(
                                    padding: EdgeInsets.zero,
                                    minimumSize: const Size.square(20),
                                  ),
                                )
                              : const Icon(SpotubeIcons.filter),
                          constraints: BoxConstraints(
                            maxHeight: 40,
                            maxWidth: mediaQuery.smAndDown
                                ? mediaQuery.size.width - 40
                                : 300,
                          ),
                        ),
                      )
                    else
                      IconButton.filledTonal(
                        icon: const Icon(SpotubeIcons.filter),
                        onPressed: () {
                          isSearching.value = !isSearching.value;
                        },
                      ),
                    if (mediaQuery.mdAndUp || !isSearching.value) ...[
                      const SizedBox(width: 10),
                      FilledButton(
                        style: FilledButton.styleFrom(
                          backgroundColor:
                              theme.scaffoldBackgroundColor.withOpacity(0.5),
                          foregroundColor: theme.textTheme.headlineSmall?.color,
                        ),
                        child: Row(
                          children: [
                            const Icon(SpotubeIcons.playlistRemove),
                            const SizedBox(width: 5),
                            Text(context.l10n.clear_all),
                          ],
                        ),
                        onPressed: () {
                          playlistNotifier.stop();
                          Navigator.of(context).pop();
                        },
                      ),
                      const SizedBox(width: 10),
                    ],
                  ],
                ),
                const SizedBox(height: 10),
                if (!isSearching.value && searchText.value.isEmpty)
                  Flexible(
                    child: ReorderableListView.builder(
                      onReorder: (oldIndex, newIndex) {
                        playlistNotifier.moveTrack(oldIndex, newIndex);
                      },
                      scrollController: controller,
                      itemCount: tracks.length,
                      shrinkWrap: true,
                      buildDefaultDragHandles: false,
                      onReorderStart: (index) {
                        HapticFeedback.selectionClick();
                      },
                      onReorderEnd: (index) {
                        HapticFeedback.selectionClick();
                      },
                      itemBuilder: (context, i) {
                        final track = tracks.elementAt(i);
                        return AutoScrollTag(
                          key: ValueKey(i),
                          controller: controller,
                          index: i,
                          child: Padding(
                            padding:
                                const EdgeInsets.symmetric(horizontal: 8.0),
                            child: TrackTile(
                              index: i,
                              track: track,
                              onTap: () async {
                                if (playlist.activeTrack?.id == track.id) {
                                  return;
                                }
                                await playlistNotifier.jumpToTrack(track);
                              },
                              leadingActions: [
                                ReorderableDragStartListener(
                                  index: i,
                                  child: const Icon(SpotubeIcons.dragHandle),
                                ),
                              ],
                            ),
                          ),
                        );
                      },
                    ),
                  )
                else
                  Flexible(
                    child: InterScrollbar(
                      controller: controller,
                      child: ListView.builder(
                        controller: controller,
                        itemCount: filteredTracks.length,
                        itemBuilder: (context, i) {
                          final track = filteredTracks.elementAt(i);
                          return Padding(
                            padding:
                                const EdgeInsets.symmetric(horizontal: 8.0),
                            child: TrackTile(
                              index: i,
                              track: track,
                              onTap: () async {
                                if (playlist.activeTrack?.id == track.id) {
                                  return;
                                }
                                await playlistNotifier.jumpToTrack(track);
                              },
                            ),
                          );
                        },
                      ),
                    ),
                  ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}