import 'package:audio_service/audio_service.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:fluttericon/octicons_icons.dart';
import 'package:freezer/api/deezer.dart';
import 'package:freezer/api/download.dart';
import 'package:freezer/api/player.dart';
import 'package:freezer/translations.i18n.dart';

import '../api/definitions.dart';
import 'cached_image.dart';

import 'dart:async';

class TrackTile extends StatelessWidget {
  final Track track;
  final void Function()? onTap;
  final void Function()? onHold;
  final Widget? trailing;

  TrackTile(this.track, {this.onTap, this.onHold, this.trailing, Key? key})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: StreamBuilder<MediaItem?>(
          stream: audioHandler.mediaItem,
          builder: (context, snapshot) {
            final bool isHighlighted;
            final mediaItem = snapshot.data;
            if (!snapshot.hasData || snapshot.data == null)
              isHighlighted = false;
            else
              isHighlighted = mediaItem!.id == track.id;
            return Text(
              track.title!,
              maxLines: 1,
              overflow: TextOverflow.clip,
              style: TextStyle(
                  color: isHighlighted
                      ? Theme.of(context).colorScheme.primary
                      : null),
            );
          }),
      subtitle: Text(
        track.artistString,
        maxLines: 1,
      ),
      leading: CachedImage(
        url: track.albumArt!.thumb,
        width: 48.0,
        height: 48.0,
      ),
      onTap: onTap,
      onLongPress: onHold,
      trailing: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          FutureBuilder<bool>(
              future: downloadManager.checkOffline(track: track),
              builder: (context, snapshot) {
                if (snapshot.data == true)
                  return const Padding(
                    padding: EdgeInsets.symmetric(horizontal: 2.0),
                    child: Icon(
                      Octicons.primitive_dot,
                      color: Colors.green,
                      size: 12.0,
                    ),
                  );
                return const SizedBox.shrink();
              }),
          if (track.explicit ?? false)
            const Padding(
              padding: EdgeInsets.symmetric(horizontal: 2.0),
              child: Text(
                'E',
                style: TextStyle(color: Colors.red),
              ),
            ),
          SizedBox(
            width: 42.0,
            child: Text(
              track.durationString,
              textAlign: TextAlign.center,
            ),
          ),
          if (trailing != null) trailing!
        ],
      ),
    );
  }
}

class AlbumTile extends StatelessWidget {
  final Album? album;
  final void Function()? onTap;
  final void Function()? onHold;
  final Widget? trailing;

  AlbumTile(this.album, {this.onTap, this.onHold, this.trailing});

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: Text(
        album!.title!,
        maxLines: 1,
      ),
      subtitle: Text(
        album!.artistString,
        maxLines: 1,
      ),
      leading: CachedImage(
        url: album!.art!.thumb,
        width: 48,
      ),
      onTap: onTap,
      onLongPress: onHold,
      trailing: trailing,
    );
  }
}

class ArtistTile extends StatelessWidget {
  final Artist? artist;
  final void Function()? onTap;
  final void Function()? onHold;

  ArtistTile(this.artist, {this.onTap, this.onHold});

  @override
  Widget build(BuildContext context) {
    return InkWell(
        borderRadius: BorderRadius.all(Radius.circular(4.0)),
        onTap: onTap,
        onLongPress: onHold,
        child: Column(mainAxisSize: MainAxisSize.min, children: <Widget>[
          const SizedBox(height: 4),
          CachedImage(
            url: artist!.picture!.thumb,
            circular: true,
            width: 100,
          ),
          const SizedBox(height: 8),
          Text(
            artist!.name!,
            maxLines: 1,
            textAlign: TextAlign.center,
            overflow: TextOverflow.ellipsis,
            style: const TextStyle(fontSize: 14.0),
          ),
          const SizedBox(height: 4),
        ]));
  }
}

class PlaylistTile extends StatelessWidget {
  final Playlist? playlist;
  final void Function()? onTap;
  final void Function()? onHold;
  final Widget? trailing;

  PlaylistTile(this.playlist, {this.onHold, this.onTap, this.trailing});

  String? get subtitle {
    if (playlist!.user == null ||
        playlist!.user!.name == null ||
        playlist!.user!.name == '' ||
        playlist!.user!.id == deezerAPI.userId) {
      if (playlist!.trackCount == null) return '';
      return '${playlist!.trackCount} ' + 'Tracks'.i18n;
    }
    return playlist!.user!.name;
  }

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: Text(
        playlist!.title!,
        maxLines: 1,
      ),
      subtitle: Text(
        subtitle!,
        maxLines: 1,
      ),
      leading: CachedImage(
        url: playlist!.image!.thumb,
        width: 48,
      ),
      onTap: onTap,
      onLongPress: onHold,
      trailing: trailing,
    );
  }
}

class ArtistHorizontalTile extends StatelessWidget {
  final Artist? artist;
  final void Function()? onTap;
  final void Function()? onHold;
  final Widget? trailing;

  ArtistHorizontalTile(this.artist, {this.onHold, this.onTap, this.trailing});

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: EdgeInsets.symmetric(vertical: 2.0),
      child: ListTile(
        title: Text(
          artist!.name!,
          maxLines: 1,
        ),
        leading: CircleAvatar(
            backgroundImage:
                CachedNetworkImageProvider(artist!.picture!.thumb)),
        onTap: onTap,
        onLongPress: onHold,
        trailing: trailing,
      ),
    );
  }
}

class PlaylistCardTile extends StatelessWidget {
  final Playlist? playlist;
  final Function? onTap;
  final Function? onHold;
  PlaylistCardTile(this.playlist, {this.onTap, this.onHold});

  @override
  Widget build(BuildContext context) {
    return SizedBox(
        height: 180.0,
        child: InkWell(
          onTap: onTap as void Function()?,
          onLongPress: onHold as void Function()?,
          child: Column(
            children: <Widget>[
              Padding(
                padding: EdgeInsets.all(8.0),
                child: Stack(
                  children: [
                    CachedImage(
                      url: playlist!.image!.thumb,
                      width: 128.0,
                      height: 128.0,
                      rounded: true,
                    ),
                    Positioned(
                        bottom: 8.0,
                        left: 8.0,
                        child: PlayItemButton(
                          onTap: () async {
                            final Playlist fullPlaylist =
                                await deezerAPI.fullPlaylist(playlist!.id);
                            await playerHelper.playFromPlaylist(fullPlaylist);
                          },
                        ))
                  ],
                ),
              ),
              const SizedBox(height: 2.0),
              SizedBox(
                width: 144,
                child: Text(
                  playlist!.title!,
                  maxLines: 1,
                  textAlign: TextAlign.center,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(fontSize: 14.0),
                ),
              ),
              const SizedBox(
                height: 4.0,
              )
            ],
          ),
        ));
  }
}

class PlayItemButton extends StatefulWidget {
  final FutureOr<void> Function() onTap;
  final double size;
  const PlayItemButton({required this.onTap, this.size = 32.0, Key? key})
      : super(key: key);

  @override
  State<PlayItemButton> createState() => _PlayItemButtonState();
}

class _PlayItemButtonState extends State<PlayItemButton> {
  final _isLoading = ValueNotifier(false);
  void _onTap() {
    final ret = widget.onTap();
    if (ret is Future) {
      _isLoading.value = true;
      ret.whenComplete(() => _isLoading.value = false);
    }
  }

  @override
  void dispose() {
    _isLoading.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return SizedBox.square(
      dimension: widget.size,
      child: DecoratedBox(
        decoration: BoxDecoration(shape: BoxShape.circle, color: Colors.white),
        child: Center(
          child: ValueListenableBuilder<bool>(
              valueListenable: _isLoading,
              child: InkWell(
                onTap: _onTap,
                child: Icon(
                  Icons.play_arrow,
                  color: Colors.black,
                  size: widget.size / 1.5,
                ),
              ),
              builder: (context, isLoading, child) => isLoading
                  ? SizedBox.square(
                      dimension: widget.size / 2,
                      child: CircularProgressIndicator(
                        strokeWidth: 2.0,
                        color: Colors.black,
                      ),
                    )
                  : child!),
        ),
      ),
    );
  }
}

class SmartTrackListTile extends StatefulWidget {
  final SmartTrackList? smartTrackList;
  final FutureOr<void> Function()? onTap;
  final void Function()? onHold;
  final double size;

  const SmartTrackListTile(this.smartTrackList,
      {this.onHold, this.onTap, this.size = 128.0});

  @override
  State<SmartTrackListTile> createState() => _SmartTrackListTileState();
}

class _SmartTrackListTileState extends State<SmartTrackListTile> {
  final _isLoading = ValueNotifier<bool>(false);

  @override
  void dispose() {
    _isLoading.dispose();
    super.dispose();
  }

  void _onTap() {
    final future = widget.onTap?.call();
    if (future is Future) {
      _isLoading.value = true;
      future.whenComplete(() => _isLoading.value = false);
    }
  }

  Widget buildTrackTileCover(List<DeezerImageDetails> covers) {
    if (covers.length == 4) {
      return ClipRRect(
        borderRadius: const BorderRadius.all(Radius.circular(4.0)),
        child: SizedBox.square(
          dimension: widget.size,
          child: Column(
            children: [
              Expanded(
                child: Row(children: [
                  ...[covers[0], covers[1]].map((e) => CachedImage(
                        url: e.thumb,
                      ))
                ]),
              ),
              Expanded(
                child: Row(children: [
                  ...[covers[2], covers[3]].map((e) => CachedImage(
                        url: e.thumb,
                      ))
                ]),
              ),
            ],
          ),
        ),
      );
      // return GridView(
      //   gridDelegate:
      //       SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 2),
      //   primary: false,
      //   physics: NeverScrollableScrollPhysics(),
      //   children: [...covers.map((e) => CachedImage(url: e.thumb))],
      // );
    }
    return CachedImage(
      width: widget.size,
      height: widget.size,
      url: covers[0].full,
      rounded: widget.smartTrackList?.id != 'flow',
      circular: widget.smartTrackList?.id == 'flow',
    );
  }

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: _onTap,
      onLongPress: widget.onHold,
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: <Widget>[
          Padding(
            padding: EdgeInsets.all(8.0),
            child: SizedBox.square(
              dimension: widget.size,
              child: Stack(
                children: [
                  buildTrackTileCover(widget.smartTrackList!.cover!),
                  if (widget.smartTrackList?.id != 'flow')
                    Padding(
                      padding:
                          EdgeInsets.symmetric(horizontal: 8.0, vertical: 6.0),
                      child: Text(
                        widget.smartTrackList!.title!,
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                        style: TextStyle(
                            fontSize: 16.0,
                            shadows: [
                              Shadow(
                                  offset: Offset(1, 1),
                                  blurRadius: 2,
                                  color: Colors.black)
                            ],
                            color: Colors.white),
                      ),
                    ),
                  Center(
                      child: SizedBox.square(
                          dimension: 32.0,
                          child: DecoratedBox(
                            decoration: BoxDecoration(
                                shape: BoxShape.circle, color: Colors.white),
                            child: Center(
                              child: ValueListenableBuilder<bool>(
                                  valueListenable: _isLoading,
                                  builder: (context, isLoading, _) {
                                    if (isLoading)
                                      return const SizedBox.square(
                                          dimension: 16.0,
                                          child: CircularProgressIndicator(
                                            color: Colors.black,
                                            strokeWidth: 2.0,
                                          ));
                                    return const Icon(
                                      Icons.play_arrow,
                                      color: Colors.black,
                                      size: 24.0,
                                    );
                                  }),
                            ),
                          ))),
                ],
              ),
            ),
          ),
          SizedBox(
            width: widget.size,
            child: Text(
              widget.smartTrackList!.subtitle!,
              maxLines: 3,
              textAlign: TextAlign.center,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(fontSize: 14.0),
            ),
          ),
          const SizedBox(height: 8.0)
        ],
      ),
    );
  }
}

class AlbumCard extends StatelessWidget {
  final Album album;
  final void Function()? onTap;
  final void Function()? onHold;

  AlbumCard(this.album, {this.onTap, this.onHold});

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: onTap,
      onLongPress: onHold,
      child: Column(
        children: <Widget>[
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Stack(
              children: [
                CachedImage(
                    width: 128.0,
                    height: 128.0,
                    url: album!.art!.thumb,
                    rounded: true),
                Positioned(
                  child: PlayItemButton(
                    onTap: () async {
                      final fullAlbum = await deezerAPI.album(album.id);
                      await playerHelper.playFromAlbum(fullAlbum);
                    },
                  ),
                  bottom: 8.0,
                  left: 8.0,
                )
              ],
            ),
          ),
          SizedBox(
            width: 144.0,
            child: Text(
              album!.title!,
              maxLines: 1,
              textAlign: TextAlign.center,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(fontSize: 14.0),
            ),
          ),
          const SizedBox(height: 4.0),
          SizedBox(
            width: 144.0,
            child: Text(
              album!.artistString,
              maxLines: 1,
              textAlign: TextAlign.center,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(
                  fontSize: 12.0,
                  color: (Theme.of(context).brightness == Brightness.light)
                      ? Colors.grey[800]
                      : Colors.white70),
            ),
          ),
          const SizedBox(height: 8.0)
        ],
      ),
    );
  }
}

class ChannelTile extends StatelessWidget {
  final DeezerChannel channel;
  final Function? onTap;
  ChannelTile(this.channel, {this.onTap});

  Color _textColor() {
    double luminance = channel.backgroundColor.computeLuminance();
    return (luminance > 0.5) ? Colors.black : Colors.white;
  }

  @override
  Widget build(BuildContext context) {
    final Widget child;
    if (channel.logo != null) {
      child = Padding(
        padding: const EdgeInsets.all(8.0),
        child: CachedNetworkImage(
            cacheKey: channel.logo!.md5,
            height: 52.0,
            imageUrl:
                channel.logo!.size(52, 0, num: 100, id: 'none', format: 'png')),
      );
    } else {
      child = Text(
        channel.title!,
        textAlign: TextAlign.center,
        maxLines: 2,
        overflow: TextOverflow.ellipsis,
        style: TextStyle(
            fontSize: 18.0,
            fontWeight: FontWeight.bold,
            color: channel.picture == null ? _textColor() : Colors.white),
      );
    }
    return SizedBox(
      width: 150,
      height: 75,
      child: DecoratedBox(
        decoration: BoxDecoration(
            borderRadius: const BorderRadius.all(Radius.circular(4.0)),
            color: channel.picture == null ? channel.backgroundColor : null,
            image: channel.picture == null
                ? null
                : DecorationImage(
                    fit: BoxFit.cover,
                    image: CachedNetworkImageProvider(
                        channel.picture!.size(134, 264),
                        cacheKey: channel.picture!.md5))),
        child: Material(
          color: Colors.transparent,
          clipBehavior: Clip.hardEdge,
          borderRadius: const BorderRadius.all(Radius.circular(4.0)),
          child: InkWell(
              onTap: this.onTap as void Function()?,
              child: Center(child: child)),
        ),
      ),
    );
  }
}

class ShowCard extends StatelessWidget {
  final Show? show;
  final Function? onTap;
  final Function? onHold;

  ShowCard(this.show, {this.onTap, this.onHold});

  @override
  Widget build(BuildContext context) {
    return Container(
      child: InkWell(
        onTap: onTap as void Function()?,
        onLongPress: onHold as void Function()?,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Padding(
              padding: EdgeInsets.all(8.0),
              child: CachedImage(
                url: show!.art!.thumb,
                width: 128.0,
                height: 128.0,
                rounded: true,
              ),
            ),
            Container(
              width: 144.0,
              child: Text(
                show!.name!,
                maxLines: 1,
                overflow: TextOverflow.ellipsis,
                textAlign: TextAlign.center,
                style: TextStyle(fontSize: 14.0),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class ShowTile extends StatelessWidget {
  final Show show;
  final Function? onTap;
  final Function? onHold;

  ShowTile(this.show, {this.onTap, this.onHold});

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: Text(
        show.name!,
        maxLines: 1,
        overflow: TextOverflow.ellipsis,
      ),
      subtitle: Text(
        show.description!,
        maxLines: 1,
        overflow: TextOverflow.ellipsis,
      ),
      onTap: onTap as void Function()?,
      onLongPress: onHold as void Function()?,
      leading: CachedImage(
        url: show.art!.thumb,
        width: 48,
      ),
    );
  }
}

class ShowEpisodeTile extends StatelessWidget {
  final ShowEpisode episode;
  final Function? onTap;
  final Function? onHold;
  final Widget? trailing;

  ShowEpisodeTile(this.episode, {this.onTap, this.onHold, this.trailing});

  @override
  Widget build(BuildContext context) {
    return InkWell(
      onLongPress: onHold as void Function()?,
      onTap: onTap as void Function()?,
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          ListTile(
            title: Text(episode.title!, maxLines: 2),
            trailing: trailing,
          ),
          Padding(
            padding: EdgeInsets.symmetric(horizontal: 16.0),
            child: Text(
              episode.description!,
              maxLines: 2,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(
                  color: Theme.of(context)
                      .textTheme
                      .titleMedium!
                      .color!
                      .withOpacity(0.9)),
            ),
          ),
          Padding(
            padding: EdgeInsets.fromLTRB(16, 8.0, 0, 0),
            child: Row(
              mainAxisSize: MainAxisSize.max,
              children: [
                Text(
                  '${episode.publishedDate} | ${episode.durationString}',
                  textAlign: TextAlign.left,
                  style: TextStyle(
                      fontSize: 12.0,
                      fontWeight: FontWeight.bold,
                      color: Theme.of(context)
                          .textTheme
                          .titleMedium!
                          .color!
                          .withOpacity(0.6)),
                ),
              ],
            ),
          ),
          Divider(),
        ],
      ),
    );
  }
}