import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';
import 'package:chewie/chewie.dart';
import '../models/xtream_models.dart';

class PlayerScreen extends StatefulWidget {
  final XtreamStream stream;
  final bool isLive;

  const PlayerScreen({super.key, required this.stream, this.isLive = true});

  @override
  State<PlayerScreen> createState() => _PlayerScreenState();
}

class _PlayerScreenState extends State<PlayerScreen> {
  VideoPlayerController? _videoController;
  ChewieController? _chewieController;
  bool _isLoading = true;
  String? _error;

  @override
  void initState() {
    super.initState();
    _initPlayer();
  }

  Future<void> _initPlayer() async {
    try {
      _chewieController?.dispose();
      _chewieController = null;
      await _videoController?.dispose();
      _videoController = null;

      final url = widget.stream.url;
      if (url == null || url.isEmpty) {
        throw Exception('No stream URL available');
      }

      final videoController = VideoPlayerController.networkUrl(
        Uri.parse(url),
        videoPlayerOptions: VideoPlayerOptions(
          allowBackgroundPlayback: false,
          mixWithOthers: false,
        ),
      );

      await videoController.initialize();
      _videoController = videoController;

      _chewieController = ChewieController(
        videoPlayerController: videoController,
        autoPlay: true,
        looping: widget.isLive,
        aspectRatio: videoController.value.aspectRatio,
        allowFullScreen: true,
        allowMuting: true,
        showControls: true,
        placeholder: Container(
          color: Colors.black,
          child: const Center(
            child: CircularProgressIndicator(color: Colors.red),
          ),
        ),
        errorBuilder: (context, errorMessage) {
          return Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                const Icon(Icons.error, color: Colors.red, size: 48),
                const SizedBox(height: 16),
                Text(
                  errorMessage,
                  style: const TextStyle(color: Colors.white),
                  textAlign: TextAlign.center,
                ),
              ],
            ),
          );
        },
      );

      setState(() {
        _isLoading = false;
      });
    } catch (e) {
      setState(() {
        _error = e.toString();
        _isLoading = false;
      });
    }
  }

  @override
  void dispose() {
    _videoController?.dispose();
    _chewieController?.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        title: Text(
          widget.stream.name,
          style: const TextStyle(color: Colors.white),
        ),
        iconTheme: const IconThemeData(color: Colors.white),
      ),
      body: Center(
        child: _isLoading
            ? const CircularProgressIndicator(color: Colors.red)
            : _error != null
            ? _buildError()
            : _chewieController != null
            ? Chewie(controller: _chewieController!)
            : const Text(
                'No video available',
                style: TextStyle(color: Colors.white),
              ),
      ),
    );
  }

  Widget _buildError() {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        const Icon(Icons.error_outline, color: Colors.red, size: 64),
        const SizedBox(height: 16),
        Padding(
          padding: const EdgeInsets.all(16),
          child: Text(
            _error ?? 'Unknown error',
            style: const TextStyle(color: Colors.white),
            textAlign: TextAlign.center,
          ),
        ),
        const SizedBox(height: 24),
        ElevatedButton.icon(
          onPressed: () {
            setState(() {
              _isLoading = true;
              _error = null;
            });
            _initPlayer();
          },
          icon: const Icon(Icons.refresh),
          label: const Text('Retry'),
          style: ElevatedButton.styleFrom(
            backgroundColor: Colors.red,
            foregroundColor: Colors.white,
          ),
        ),
      ],
    );
  }
}