import 'package:flutter/material.dart';
import 'package:manager_api_new/api.dart';
import 'package:tablet_app/Components/video_viewer.dart';
import 'package:tablet_app/constants.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:youtube_player_iframe/youtube_player_iframe.dart' as iframe;

enum _VideoSourceType { youtube, vimeo, direct }

_VideoSourceType _detectSourceType(String url) {
  if (url.contains('youtube.com') || url.contains('youtu.be')) return _VideoSourceType.youtube;
  if (url.contains('vimeo.com')) return _VideoSourceType.vimeo;
  return _VideoSourceType.direct;
}

String? _extractVimeoId(String url) {
  final match = RegExp(r'vimeo\.com/(?:.*?/)?(\d+)').firstMatch(url);
  return match?.group(1);
}

class VideoView extends StatefulWidget {
  final VideoDTO section;
  VideoView({required this.section});

  @override
  _VideoView createState() => _VideoView();
}

class _VideoView extends State<VideoView> {
  iframe.YoutubePlayerController? _youtubeController;
  WebViewController? _vimeoController;
  _VideoSourceType? _sourceType;

  static const _browserUserAgent =
      'Mozilla/5.0 (Linux; Android 10; Tablet) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36';

  @override
  void initState() {
    super.initState();
    final source = widget.section.source_;
    if (source == null || source.isEmpty) return;

    _sourceType = _detectSourceType(source);

    if (_sourceType == _VideoSourceType.youtube) {
      _youtubeController = iframe.YoutubePlayerController(
        params: iframe.YoutubePlayerParams(
          mute: false,
          showControls: true,
          showFullscreenButton: false,
          loop: true,
          showVideoAnnotations: false,
          strictRelatedVideos: false,
          enableKeyboard: false,
          enableCaption: false,
          pointerEvents: iframe.PointerEvents.auto,
          userAgent: _browserUserAgent,
        ),
      );
      _youtubeController!.loadVideo(source);
    } else if (_sourceType == _VideoSourceType.vimeo) {
      final vimeoId = _extractVimeoId(source);
      if (vimeoId != null) {
        _vimeoController = WebViewController()
          ..setJavaScriptMode(JavaScriptMode.unrestricted)
          ..setUserAgent(_browserUserAgent)
          ..loadRequest(Uri.parse('https://player.vimeo.com/video/$vimeoId'));
      }
    }
  }

  @override
  void dispose() {
    _youtubeController?.close();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final source = widget.section.source_;
    if (source == null || source.isEmpty) {
      return Center(
        child: Text(
          "La vidéo ne peut pas être affichée, l'url est incorrecte",
          style: TextStyle(fontSize: kNoneInfoOrIncorrect),
        ),
      );
    }

    switch (_sourceType) {
      case _VideoSourceType.youtube:
        return iframe.YoutubePlayer(controller: _youtubeController!);
      case _VideoSourceType.vimeo:
        if (_vimeoController == null) {
          return Center(
            child: Text(
              "Impossible d'extraire l'identifiant Vimeo depuis l'URL",
              style: TextStyle(fontSize: kNoneInfoOrIncorrect),
            ),
          );
        }
        return WebViewWidget(controller: _vimeoController!);
      case _VideoSourceType.direct:
        return VideoViewer(videoUrl: source, file: null);
      default:
        return const SizedBox();
    }
  }
}