import 'dart:io';

import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:chewie/chewie.dart';
import 'package:immich_mobile/modules/asset_viewer/models/image_viewer_page_state.model.dart';
import 'package:immich_mobile/modules/asset_viewer/providers/image_viewer_page_state.provider.dart';
import 'package:immich_mobile/modules/asset_viewer/ui/video_player_controls.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/models/store.dart';
import 'package:immich_mobile/shared/ui/immich_loading_indicator.dart';
import 'package:media_kit/media_kit.dart';
import 'package:media_kit_video/media_kit_video.dart';
import 'package:photo_manager/photo_manager.dart';
import 'package:video_player/video_player.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

// ignore: must_be_immutable
class VideoViewerPage extends HookConsumerWidget {
  final Asset asset;
  final bool isMotionVideo;
  final Widget? placeholder;
  final VoidCallback onVideoEnded;
  final VoidCallback? onPlaying;
  final VoidCallback? onPaused;

  const VideoViewerPage({
    Key? key,
    required this.asset,
    required this.isMotionVideo,
    required this.onVideoEnded,
    this.onPlaying,
    this.onPaused,
    this.placeholder,
  }) : super(key: key);

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    if (asset.isLocal && asset.livePhotoVideoId == null) {
      final AsyncValue<File> videoFile = ref.watch(_fileFamily(asset.local!));
      return videoFile.when(
        data: (data) => VideoPlayer(
          file: data,
          isMotionVideo: false,
          onVideoEnded: () {},
        ),
        error: (error, stackTrace) => Icon(
          Icons.image_not_supported_outlined,
          color: Theme.of(context).primaryColor,
        ),
        loading: () => const Center(
          child: SizedBox(
            width: 75,
            height: 75,
            child: CircularProgressIndicator.adaptive(),
          ),
        ),
      );
    }
    final downloadAssetStatus =
        ref.watch(imageViewerStateProvider).downloadAssetStatus;
    final String videoUrl = isMotionVideo
        ? '${Store.get(StoreKey.serverEndpoint)}/asset/file/${asset.livePhotoVideoId}'
        : '${Store.get(StoreKey.serverEndpoint)}/asset/file/${asset.remoteId}';

    return Stack(
      children: [
        VideoPlayer(
          url: videoUrl,
          jwtToken: Store.get(StoreKey.accessToken),
          isMotionVideo: isMotionVideo,
          onVideoEnded: onVideoEnded,
          onPaused: onPaused,
          onPlaying: onPlaying,
          placeholder: placeholder,
        ),
        if (downloadAssetStatus == DownloadAssetStatus.loading)
          SizedBox(
            height: MediaQuery.of(context).size.height,
            width: MediaQuery.of(context).size.width,
            child: const Center(
              child: ImmichLoadingIndicator(),
            ),
          ),
      ],
    );
  }
}

final _fileFamily =
    FutureProvider.family<File, AssetEntity>((ref, entity) async {
  final file = await entity.file;
  if (file == null) {
    throw Exception();
  }
  return file;
});

class VideoPlayer extends StatefulWidget {
  final String? url;
  final String? jwtToken;
  final File? file;
  final bool isMotionVideo;
  final VoidCallback onVideoEnded;

  final Function()? onPlaying;
  final Function()? onPaused;

  /// The placeholder to show while the video is loading
  /// usually, a thumbnail of the video
  final Widget? placeholder;

  const VideoPlayer({
    Key? key,
    this.url,
    this.jwtToken,
    this.file,
    required this.onVideoEnded,
    required this.isMotionVideo,
    this.onPlaying,
    this.onPaused,
    this.placeholder,
  }) : super(key: key);

  @override
  State<VideoPlayer> createState() => _VideoPlayerState();
}

class _VideoPlayerState extends State<VideoPlayer> {
  // late VideoPlayerController videoPlayerController;
  // ChewieController? chewieController;

  // Create a [Player] to control playback.
  late final player = Player();
  // Create a [VideoController] to handle video output from [Player].
  late final controller = VideoController(player);

  @override
  void initState() {
    super.initState();
    // initializePlayer();

    // videoPlayerController.addListener(() {
    //   if (videoPlayerController.value.isInitialized) {
    //     if (videoPlayerController.value.isPlaying) {
    //       WakelockPlus.enable();
    //       widget.onPlaying?.call();
    //     } else if (!videoPlayerController.value.isPlaying) {
    //       WakelockPlus.disable();
    //       widget.onPaused?.call();
    //     }

    //     if (videoPlayerController.value.position ==
    //         videoPlayerController.value.duration) {
    //       WakelockPlus.disable();
    //       widget.onVideoEnded();
    //     }
    //   }
    // });

    if (widget.file == null) {
      player.open(
        Media(
          Uri.parse(widget.url!).toString(),
          httpHeaders: {
            "Authorization": "Bearer ${widget.jwtToken}",
          },
        ),
      );
    } else {
      player.open(
        Media(
          widget.file!.path,
        ),
      );
    }
  }

  // Future<void> initializePlayer() async {
  //   try {
  //     videoPlayerController = widget.file == null
  //         ? VideoPlayerController.networkUrl(
  //             Uri.parse(widget.url!),
  //             httpHeaders: {"Authorization": "Bearer ${widget.jwtToken}"},
  //           )
  //         : VideoPlayerController.file(widget.file!);

  //     await videoPlayerController.initialize();
  //     _createChewieController();
  //     setState(() {});
  //   } catch (e) {
  //     debugPrint("ERROR initialize video player $e");
  //   }
  // }

  // _createChewieController() {
  //   chewieController = ChewieController(
  //     controlsSafeAreaMinimum: const EdgeInsets.only(
  //       bottom: 100,
  //     ),
  //     showOptions: true,
  //     showControlsOnInitialize: false,
  //     videoPlayerController: videoPlayerController,
  //     autoPlay: true,
  //     autoInitialize: true,
  //     allowFullScreen: false,
  //     allowedScreenSleep: false,
  //     showControls: !widget.isMotionVideo,
  //     customControls: const VideoPlayerControls(),
  //     hideControlsTimer: const Duration(seconds: 5),
  //   );
  // }

  @override
  void dispose() {
    super.dispose();
    player.dispose();
    // videoPlayerController.pause();
    // videoPlayerController.dispose();
    // chewieController?.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      width: MediaQuery.of(context).size.width,
      height: MediaQuery.of(context).size.height,
      child: Video(controller: controller),
    );

    // if (chewieController?.videoPlayerController.value.isInitialized == true) {
    //   return SizedBox(
    //     child: Chewie(
    //       controller: chewieController!,
    //     ),
    //   );
    // } else {
    //   return SizedBox(
    //     height: MediaQuery.of(context).size.height,
    //     width: MediaQuery.of(context).size.width,
    //     child: Center(
    //       child: Stack(
    //         children: [
    //           if (widget.placeholder != null) widget.placeholder!,
    //           const Center(
    //             child: ImmichLoadingIndicator(),
    //           ),
    //         ],
    //       ),
    //     ),
    //   );
    // }
  }
}