import 'package:flutter/material.dart';
import 'package:flutter/services.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 StatefulWidget {
  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
  _TrackTileState createState() => _TrackTileState();
}

class _TrackTileState extends State<TrackTile> {
  StreamSubscription? _subscription;
  bool _isOffline = false;
  bool _isHighlighted = false;

  @override
  void initState() {
    //Listen to media item changes, update text color if currently playing
    _subscription = audioHandler.mediaItem.listen((mediaItem) {
      if (mediaItem == null) return;
      if (mediaItem.id == widget.track?.id)
        setState(() => _isHighlighted = true);
      else if (_isHighlighted) setState(() => _isHighlighted = false);
    });
    //Check if offline
    downloadManager.checkOffline(track: widget.track).then((isOffline) {
      if (isOffline) setState(() => _isOffline = isOffline);
    });

    super.initState();
  }

  @override
  void dispose() {
    _subscription?.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: Text(
        widget.track!.title!,
        maxLines: 1,
        overflow: TextOverflow.clip,
        style: TextStyle(
            color: _isHighlighted ? Theme.of(context).primaryColor : null),
      ),
      subtitle: Text(
        widget.track!.artistString,
        maxLines: 1,
      ),
      leading: CachedImage(
        url: widget.track!.albumArt!.thumb!,
        width: 48,
      ),
      onTap: widget.onTap,
      onLongPress: widget.onHold,
      trailing: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          if (_isOffline)
            Padding(
              padding: EdgeInsets.symmetric(horizontal: 2.0),
              child: Icon(
                Octicons.primitive_dot,
                color: Colors.green,
                size: 12.0,
              ),
            ),
          if (widget.track!.explicit ?? false)
            Padding(
              padding: EdgeInsets.symmetric(horizontal: 2.0),
              child: Text(
                'E',
                style: TextStyle(color: Colors.red),
              ),
            ),
          Container(
            width: 42.0,
            child: Text(
              widget.track!.durationString,
              textAlign: TextAlign.center,
            ),
          ),
          widget.trailing ?? const SizedBox(width: 0, height: 0)
        ],
      ),
    );
  }
}

class AlbumTile extends StatelessWidget {
  final Album? album;
  final Function? onTap;
  final 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 as void Function()?,
      onLongPress: onHold as void Function()?,
      trailing: trailing,
    );
  }
}

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

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

  @override
  Widget build(BuildContext context) {
    return SizedBox(
        width: 150,
        child: Container(
          child: InkWell(
            onTap: onTap as void Function()?,
            onLongPress: onHold as void Function()?,
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[
                Container(
                  height: 4,
                ),
                CachedImage(
                  url: artist!.picture!.thumb,
                  circular: true,
                  width: 100,
                ),
                Container(
                  height: 8,
                ),
                Text(
                  artist!.name!,
                  maxLines: 1,
                  textAlign: TextAlign.center,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(fontSize: 14.0),
                ),
                Container(
                  height: 4,
                ),
              ],
            ),
          ),
        ));
  }
}

class PlaylistTile extends StatelessWidget {
  final Playlist? playlist;
  final Function? onTap;
  final 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 as void Function()?,
      onLongPress: onHold as void Function()?,
      trailing: trailing,
    );
  }
}

class ArtistHorizontalTile extends StatelessWidget {
  final Artist? artist;
  final Function? onTap;
  final 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: CachedImage(
          url: artist!.picture!.thumb,
          circular: true,
        ),
        onTap: onTap as void Function()?,
        onLongPress: onHold as void Function()?,
        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 Container(
        height: 180.0,
        child: InkWell(
          onTap: onTap as void Function()?,
          onLongPress: onHold as void Function()?,
          child: Column(
            children: <Widget>[
              Padding(
                padding: EdgeInsets.all(8),
                child: CachedImage(
                  url: playlist!.image!.thumb,
                  width: 128,
                  height: 128,
                  rounded: true,
                ),
              ),
              Container(height: 2.0),
              Container(
                width: 144,
                child: Text(
                  playlist!.title!,
                  maxLines: 1,
                  textAlign: TextAlign.center,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(fontSize: 14.0),
                ),
              ),
              Container(
                height: 4.0,
              )
            ],
          ),
        ));
  }
}

class SmartTrackListTile extends StatelessWidget {
  final SmartTrackList? smartTrackList;
  final Function? onTap;
  final Function? onHold;
  SmartTrackListTile(this.smartTrackList, {this.onHold, this.onTap});

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 210.0,
      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(
                      width: 128,
                      height: 128,
                      url: smartTrackList!.cover!.thumb,
                      rounded: true,
                    ),
                    Container(
                      width: 128.0,
                      child: Padding(
                        padding: EdgeInsets.symmetric(
                            horizontal: 8.0, vertical: 6.0),
                        child: Text(
                          smartTrackList!.title!,
                          maxLines: 2,
                          overflow: TextOverflow.ellipsis,
                          style: TextStyle(
                              fontSize: 18.0,
                              shadows: [
                                Shadow(
                                    offset: Offset(1, 1),
                                    blurRadius: 2,
                                    color: Colors.black)
                              ],
                              color: Colors.white),
                        ),
                      ),
                    )
                  ],
                )),
            Container(
              width: 144.0,
              child: Text(
                smartTrackList!.subtitle!,
                maxLines: 3,
                textAlign: TextAlign.center,
                overflow: TextOverflow.ellipsis,
                style: TextStyle(fontSize: 14.0),
              ),
            ),
            Container(
              height: 8.0,
            )
          ],
        ),
      ),
    );
  }
}

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

  AlbumCard(this.album, {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(
        children: <Widget>[
          Padding(
            padding: EdgeInsets.all(8.0),
            child: CachedImage(
                width: 128.0,
                height: 128.0,
                url: album!.art!.thumb,
                rounded: true),
          ),
          Container(
            width: 144.0,
            child: Text(
              album!.title!,
              maxLines: 1,
              textAlign: TextAlign.center,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(fontSize: 14.0),
            ),
          ),
          Container(height: 4.0),
          Container(
            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),
            ),
          ),
          Container(
            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) {
    return Padding(
      padding: EdgeInsets.symmetric(horizontal: 4.0),
      child: Card(
          color: channel!.backgroundColor,
          child: InkWell(
            onTap: this.onTap as void Function()?,
            child: Container(
              width: 150,
              height: 75,
              child: Center(
                child: Text(
                  channel!.title!,
                  textAlign: TextAlign.center,
                  maxLines: 2,
                  overflow: TextOverflow.ellipsis,
                  style: TextStyle(
                      fontSize: 18.0,
                      fontWeight: FontWeight.bold,
                      color: _textColor()),
                ),
              ),
            ),
          )),
    );
  }
}

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
                      .subtitle1!
                      .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
                          .subtitle1!
                          .color!
                          .withOpacity(0.6)),
                ),
              ],
            ),
          ),
          Divider(),
        ],
      ),
    );
  }
}