feat: Initialize XtremFlow project with core structure, IPTV features, authentication, and video player.

lib/features/iptv/widgets/live_tv_tab.dart

@@ -0,0 +1,197 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:google_fonts/google_fonts.dart';
+import '../../../core/models/playlist_config.dart';
+import '../services/xtream_service.dart';
+import '../models/xtream_models.dart';
+import '../screens/video_player_screen.dart';
+import 'epg_widget.dart';
+
+class LiveTVTab extends ConsumerStatefulWidget {
+  final PlaylistConfig playlist;
+
+  const LiveTVTab({super.key, required this.playlist});
+
+  @override
+  ConsumerState<LiveTVTab> createState() => _LiveTVTabState();
+}
+
+class _LiveTVTabState extends ConsumerState<LiveTVTab> {
+  final ScrollController _scrollController = ScrollController();
+  final List<LiveChannel> _channels = [];
+  bool _isLoading = false;
+  bool _hasMore = true;
+  int _currentOffset = 0;
+  static const int _pageSize = 100;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadMoreChannels();
+    _scrollController.addListener(_onScroll);
+  }
+
+  @override
+  void dispose() {
+    _scrollController.dispose();
+    super.dispose();
+  }
+
+  void _onScroll() {
+    if (_scrollController.position.pixels >=
+        _scrollController.position.maxScrollExtent * 0.8) {
+      _loadMoreChannels();
+    }
+  }
+
+  Future<void> _loadMoreChannels() async {
+    if (_isLoading || !_hasMore) return;
+
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      final service = ref.read(xtreamServiceProvider(widget.playlist));
+      final newChannels = await service.getLiveStreams(
+        offset: _currentOffset,
+        limit: _pageSize,
+      );
+
+      setState(() {
+        _channels.addAll(newChannels);
+        _currentOffset += _pageSize;
+        _hasMore = newChannels.length == _pageSize;
+        _isLoading = false;
+      });
+    } catch (e) {
+      setState(() {
+        _isLoading = false;
+      });
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Failed to load channels: $e')),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_channels.isEmpty && !_isLoading) {
+      return const Center(child: Text('No channels available'));
+    }
+
+    return GridView.builder(
+      controller: _scrollController,
+      padding: const EdgeInsets.all(8),
+      gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+        crossAxisCount: 4,
+        crossAxisSpacing: 8,
+        mainAxisSpacing: 8,
+        childAspectRatio: 0.75,
+      ),
+      itemCount: _channels.length + (_hasMore ? 1 : 0),
+      itemBuilder: (context, index) {
+        if (index >= _channels.length) {
+          return const Center(child: CircularProgressIndicator());
+        }
+
+        final channel = _channels[index];
+        return _ChannelCard(
+          channel: channel,
+          playlist: widget.playlist,
+        );
+      },
+    );
+  }
+}
+
+class _ChannelCard extends StatelessWidget {
+  final LiveChannel channel;
+  final PlaylistConfig playlist;
+
+  const _ChannelCard({
+    required this.channel,
+    required this.playlist,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      clipBehavior: Clip.antiAlias,
+      child: InkWell(
+        onTap: () {
+          final streamUrl = channel.getStreamUrl(
+            playlist.dns,
+            playlist.username,
+            playlist.password,
+          );
+          
+          Navigator.push(
+            context,
+            MaterialPageRoute(
+              builder: (context) => VideoPlayerScreen(
+                streamUrl: streamUrl,
+                title: channel.name,
+                posterUrl: channel.streamIcon,
+              ),
+            ),
+          );
+        },
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Expanded(
+              child: channel.streamIcon != null
+                  ? CachedNetworkImage(
+                      imageUrl: channel.streamIcon!,
+                      fit: BoxFit.cover,
+                      placeholder: (context, url) => Container(
+                        color: Colors.grey.shade800,
+                        child: const Center(
+                          child: CircularProgressIndicator(strokeWidth: 2),
+                        ),
+                      ),
+                      errorWidget: (context, url, error) => Container(
+                        color: Colors.grey.shade800,
+                        child: const Icon(Icons.live_tv, size: 48),
+                      ),
+                    )
+                  : Container(
+                      color: Colors.grey.shade800,
+                      child: const Icon(Icons.live_tv, size: 48),
+                    ),
+            ),
+            Container(
+              padding: const EdgeInsets.all(8),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    channel.name,
+                    style: GoogleFonts.roboto(
+                      fontSize: 12,
+                      fontWeight: FontWeight.w500,
+                    ),
+                    maxLines: 2,
+                    overflow: TextOverflow.ellipsis,
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 4),
+                  // EPG Display
+                  if (channel.epgChannelId != null)
+                    EPGWidget(
+                      channelId: channel.streamId,
+                      playlist: playlist,
+                    ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}