feat: Add IPTV player screen with FFmpeg transcoding, resume playback, and dedicated movie/series tabs.

lib/features/iptv/screens/player_screen.dart

@@ -3,8 +3,10 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'dart:html' as html;
 import 'dart:ui_web' as ui_web;
 import 'dart:convert';
+import 'dart:async';
 import 'package:http/http.dart' as http;
 import '../providers/xtream_provider.dart';
+import '../providers/playback_positions_provider.dart';
 import '../widgets/epg_overlay.dart';
 import '../../../core/models/playlist_config.dart';
 
@@ -37,14 +39,51 @@ class _PlayerScreenState extends ConsumerState<PlayerScreen> {
   String? _errorMessage;
   String? _statusMessage;
   late String _viewId;
+  late String _contentId;
   bool _isInitialized = false;
   bool _isLoading = true;
+  StreamSubscription? _messageSubscription;
 
   @override
   void initState() {
     super.initState();
     _viewId = 'iptv-player-${widget.streamId}-${DateTime.now().millisecondsSinceEpoch}';
+    // Content ID for resume feature
+    _contentId = widget.streamType == StreamType.live 
+        ? '' // Live streams don't need resume
+        : '${widget.streamType.name}_${widget.streamId}';
     _initializePlayer();
+    _setupMessageListener();
+  }
+
+  void _setupMessageListener() {
+    // Listen for postMessage from player.html iframe
+    _messageSubscription = html.window.onMessage.listen((event) {
+      try {
+        final data = event.data;
+        if (data is Map) {
+          final type = data['type'];
+          if (type == 'playback_position' && _contentId.isNotEmpty) {
+            final currentTime = (data['currentTime'] as num).toDouble();
+            final duration = (data['duration'] as num).toDouble();
+            ref.read(playbackPositionsProvider.notifier).savePosition(
+              _contentId, currentTime, duration
+            );
+          } else if (type == 'playback_ended' && _contentId.isNotEmpty) {
+            // Clear position when video ends
+            ref.read(playbackPositionsProvider.notifier).clearPosition(_contentId);
+          }
+        }
+      } catch (e) {
+        debugPrint('Error handling postMessage: $e');
+      }
+    });
+  }
+
+  @override
+  void dispose() {
+    _messageSubscription?.cancel();
+    super.dispose();
   }
 
   Future<void> _initializePlayer() async {
@@ -145,9 +184,21 @@ class _PlayerScreenState extends ConsumerState<PlayerScreen> {
         _statusMessage = 'Loading player...';
       });
       
+      // Get resume position for VOD/Series
+      double startTime = 0;
+      if (widget.streamType != StreamType.live && _contentId.isNotEmpty) {
+        final positions = ref.read(playbackPositionsProvider);
+        startTime = positions.getPosition(_contentId);
+        if (startTime > 0) {
+          debugPrint('PlayerScreen: Resuming from ${startTime.toStringAsFixed(0)}s');
+        }
+      }
+      
       // Register the HTML view with an iframe pointing to our player.html
       final encodedHlsUrl = Uri.encodeComponent(hlsUrl);
-      final playerUrl = 'player.html?url=$encodedHlsUrl';
+      final playerUrl = startTime > 0 
+          ? 'player.html?url=$encodedHlsUrl&startTime=${startTime.toStringAsFixed(0)}'
+          : 'player.html?url=$encodedHlsUrl';
       
       debugPrint('PlayerScreen: Player URL: $playerUrl');