import 'package:auto_size_text/auto_size_text.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_xlider/flutter_xlider.dart';
import 'package:ocarina/api/audio/audioplayer_service.dart';
import 'package:ocarina/api/subsonic/song.dart';
import 'package:ocarina/main.dart';
import 'package:ocarina/util/util.dart';
import 'package:responsive_sizer/responsive_sizer.dart';
import 'package:shimmer/shimmer.dart';
import 'package:text_scroll/text_scroll.dart';

/// The player control widget
///
/// Showcases the playing song's details and features playback controls
class Player extends StatefulWidget {
  /// The player control widget
  ///
  /// Showcases the playing song's details and features playback controls
  const Player({super.key});

  @override
  State<Player> createState() => PlayerState();
}

/// State of [Player]
class PlayerState extends State<Player> {
  void update() {
    logger.d(AudioPlayerService().song?.coverArtUrl);
    setState(() {});
  }

  var _showFullControls = false;
  final _sheetController = DraggableScrollableController();
  @override
  Widget build(BuildContext context) {
    return NotificationListener<DraggableScrollableNotification>(
      onNotification: (n) {
        if (n.extent > 0.3) {
          _showFullControls = true;
        } else {
          _showFullControls = false;
        }
        setState(() {});
        return false;
      },
      child: DraggableScrollableSheet(
        controller: _sheetController,
        initialChildSize: 0.1,
        snap: true,
        snapSizes: const [0.1, 1],
        minChildSize: 0.1,
        builder: (c, s) => SingleChildScrollView(
          controller: s,
          child: Column(
            children: [
              ClipRRect(
                borderRadius: BorderRadius.circular(8),
                child: GestureDetector(
                  onTap: () {
                    _sheetController.animateTo(
                      (_sheetController.size == 1) ? 0.1 : 1,
                      duration: const Duration(milliseconds: 300),
                      curve: Curves.easeIn,
                    );
                  },
                  child: Container(
                    color: Theme.of(context).colorScheme.primaryContainer,
                    height: 10.h,
                    width: 100.w,
                    child: AnimatedOpacity(
                      opacity: _showFullControls ? 0 : 1,
                      duration: const Duration(milliseconds: 300),
                      child: Padding(
                        padding: const EdgeInsets.all(16),
                        child: ValueListenableBuilder<Song?>(
                          valueListenable: songNotifier,
                          builder: (c, t, w) {
                            return Row(
                              children: [
                                SizedBox(
                                  height: 10.h,
                                  width: 10.h,
                                  child: Padding(
                                    padding: const EdgeInsets.all(16),
                                    child: ClipRRect(
                                      child: (t == null)
                                          ? ColoredBox(
                                              color: Theme.of(context)
                                                  .colorScheme
                                                  .primaryContainer,
                                              child: Center(
                                                child: Icon(
                                                  Icons.music_note,
                                                  color: Theme.of(context)
                                                      .colorScheme
                                                      .onPrimaryContainer,
                                                ),
                                              ),
                                            )
                                          : CachedNetworkImage(
                                              cacheKey: t.coverArtId,
                                              imageUrl: t.coverArtUrl,
                                              placeholder: (c, d) =>
                                                  Shimmer.fromColors(
                                                baseColor: Colors.grey.shade300,
                                                highlightColor:
                                                    Colors.grey.shade100,
                                                child: Container(
                                                  color: Colors.grey,
                                                ),
                                              ),
                                              errorWidget: (c, _, __) {
                                                logger
                                                  ..e(_)
                                                  ..e(__);
                                                return ColoredBox(
                                                  color: Theme.of(context)
                                                      .colorScheme
                                                      .primaryContainer,
                                                  child: Center(
                                                    child: Icon(
                                                      Icons.music_note,
                                                      color: Theme.of(context)
                                                          .colorScheme
                                                          .onPrimaryContainer,
                                                    ),
                                                  ),
                                                );
                                              },
                                            ),
                                    ),
                                  ),
                                ),
                                const SizedBox(
                                  width: 5,
                                ),
                                Expanded(
                                  child: AutoSizeText(
                                    AudioPlayerService().song == null
                                        ? "Nothing"
                                        : AudioPlayerService().song!.title,
                                    style: TextStyle(
                                      color: Theme.of(context)
                                          .colorScheme
                                          .onPrimaryContainer,
                                      fontSize: 14,
                                      decoration: TextDecoration.none,
                                    ),
                                    overflowReplacement: TextScroll(
                                      AudioPlayerService().song == null
                                          ? "Nothing"
                                          : AudioPlayerService().song!.title,
                                    ),
                                  ),
                                ),
                                SizedBox(
                                  width: 35.w,
                                  child: Row(
                                    mainAxisAlignment:
                                        MainAxisAlignment.spaceBetween,
                                    children: [
                                      IconButton(
                                        onPressed: () {
                                          AudioPlayerService().previous();
                                        },
                                        icon: const Icon(Icons.skip_previous),
                                      ),
                                      IconButton(
                                        onPressed: () async {
                                          if (AudioPlayerService().song ==
                                              null) {
                                            return;
                                          }
                                          if (AudioPlayerService().isPlaying) {
                                            await AudioPlayerService().pause();
                                          } else {
                                            AudioPlayerService().resume();
                                          }
                                          setState(() {});
                                        },
                                        icon: AnimatedCrossFade(
                                          firstChild:
                                              const Icon(Icons.play_arrow),
                                          secondChild: const Icon(Icons.pause),
                                          crossFadeState:
                                              (AudioPlayerService().isPlaying)
                                                  ? CrossFadeState.showSecond
                                                  : CrossFadeState.showFirst,
                                          duration:
                                              const Duration(milliseconds: 300),
                                        ),
                                      ),
                                      IconButton(
                                        onPressed: () {
                                          AudioPlayerService().next();
                                        },
                                        icon: const Icon(Icons.skip_next),
                                      ),
                                    ],
                                  ),
                                ),
                              ],
                            );
                          },
                        ),
                      ),
                    ),
                  ),
                ),
              ),
              Container(
                // Full player controls here
                height: 90.h,
                color: Theme.of(context).colorScheme.primaryContainer,
                width: 100.w,
                child: Center(
                  child: Column(
                    children: [
                      const SizedBox(
                        height: 30,
                      ),
                      SizedBox(
                        width: 80.w,
                        height: 80.w,
                        child: ClipRRect(
                          borderRadius: BorderRadius.circular(16),
                          child: (AudioPlayerService().song == null)
                              ? ColoredBox(
                                  color: Theme.of(context)
                                      .colorScheme
                                      .secondaryContainer,
                                  child: Center(
                                    child: Icon(
                                      Icons.music_note,
                                      color: Theme.of(context)
                                          .colorScheme
                                          .onSecondaryContainer,
                                    ),
                                  ),
                                )
                              : (CachedNetworkImage(
                                  cacheKey:
                                      AudioPlayerService().song!.coverArtId,
                                  imageUrl:
                                      AudioPlayerService().song!.coverArtUrl,
                                  placeholder: (c, d) => Shimmer.fromColors(
                                    baseColor: Colors.grey.shade300,
                                    highlightColor: Colors.grey.shade100,
                                    child: Container(
                                      color: Colors.grey,
                                    ),
                                  ),
                                  errorWidget: (c, _, __) {
                                    logger
                                      ..e(_)
                                      ..e(__);
                                    return ColoredBox(
                                      color: Theme.of(context)
                                          .colorScheme
                                          .secondaryContainer,
                                      child: Center(
                                        child: Icon(
                                          Icons.music_note,
                                          color: Theme.of(context)
                                              .colorScheme
                                              .onSecondaryContainer,
                                        ),
                                      ),
                                    );
                                  },
                                )),
                        ),
                      ),
                      const SizedBox(
                        height: 10,
                      ),
                      SizedBox(
                        width: 70.w,
                        height: 40,
                        child: AutoSizeText(
                          AudioPlayerService().song?.title ?? "Nothing",
                          textAlign: TextAlign.center,
                          style: TextStyle(
                            fontWeight: FontWeight.bold,
                            fontSize: 20.sp,
                          ),
                          overflowReplacement: TextScroll(
                            AudioPlayerService().song?.title ?? "Nothing",
                            textAlign: TextAlign.center,
                            style: TextStyle(
                              fontWeight: FontWeight.bold,
                              fontSize: 20.sp,
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 70.w,
                        height: 30,
                        child: AutoSizeText(
                          AudioPlayerService().song?.artistName ?? "Nobody",
                          style: TextStyle(fontSize: 16.sp),
                          textAlign: TextAlign.center,
                          overflowReplacement: TextScroll(
                            AudioPlayerService().song?.artistName ?? "Nobody",
                            style: TextStyle(
                              fontSize: 16.sp,
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 60.w,
                        height: 40,
                        child: Overlay(
                          initialEntries: [
                            OverlayEntry(
                              builder: (c) => ValueListenableBuilder<List<int>>(
                                valueListenable: progressNotifier,
                                builder: (c, v, _) {
                                  return FlutterSlider(
                                    values: [v[0].toDouble()],
                                    max: v[1].toDouble(),
                                    min: 0,
                                    onDragCompleted:
                                        (handlerIndex, lowerValue, upperValue) {
                                      if (AudioPlayerService().song == null) {
                                        return;
                                      }
                                      logger.d(lowerValue);
                                      AudioPlayerService()
                                          .seek(lowerValue as double);
                                    },
                                  );
                                },
                              ),
                            ),
                          ],
                        ),
                      ),
                      const SizedBox(
                        height: 10,
                      ),
                      SizedBox(
                        width: 60.w,
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            IconButton(
                              onPressed: () {
                                AudioPlayerService().previous();
                              },
                              icon: const Icon(
                                Icons.skip_previous,
                                size: 36,
                              ),
                            ),
                            IconButton(
                              onPressed: () async {
                                if (AudioPlayerService().song == null) {
                                  return;
                                }
                                if (AudioPlayerService().isPlaying) {
                                  await AudioPlayerService().pause();
                                } else {
                                  AudioPlayerService().resume();
                                }
                                setState(() {});
                              },
                              icon: AnimatedCrossFade(
                                firstChild: const Icon(
                                  Icons.play_arrow,
                                  size: 36, // TODO: adapt to display size
                                ),
                                secondChild: const Icon(Icons.pause, size: 36),
                                crossFadeState: (AudioPlayerService().isPlaying)
                                    ? CrossFadeState.showSecond
                                    : CrossFadeState.showFirst,
                                duration: const Duration(milliseconds: 300),
                              ),
                            ),
                            IconButton(
                              onPressed: () {
                                AudioPlayerService().next();
                              },
                              icon: const Icon(
                                Icons.skip_next,
                                size: 36,
                              ),
                            ),
                          ],
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}