fix: resolve flutter analyze errors - remove leaked code, fix method calls, cleanup imports

lib/features/bookshelf/presentation/bookshelf_screen.dart

@@ -1,48 +1,129 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:go_router/go_router.dart';
 
-import '../../../shared/widgets/feature_placeholder.dart';
+import '../../../app/router/route_names.dart';
+import '../../../core/models/bookmark_model.dart';
+import '../providers/bookshelf_provider.dart';
+import '../../auth/providers/auth_provider.dart';
 
-class BookshelfScreen extends StatelessWidget {
+class BookshelfScreen extends ConsumerWidget {
   const BookshelfScreen({super.key});
 
   @override
-  Widget build(BuildContext context) {
-    return DefaultTabController(
-      length: 4,
-      child: Scaffold(
-        appBar: AppBar(
-          title: const Text('Tu sach'),
-          bottom: const TabBar(
-            isScrollable: true,
-            tabs: [
-              Tab(text: 'Dang doc'),
-              Tab(text: 'Danh dau'),
-              Tab(text: 'Da doc'),
-              Tab(text: 'De cu'),
+  Widget build(BuildContext context, WidgetRef ref) {
+    final isAuth = ref.watch(isAuthenticatedProvider);
+
+    if (!isAuth) {
+      return Scaffold(
+        appBar: AppBar(title: const Text('Tủ sách')),
+        body: Center(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Icon(Icons.lock_outline, size: 48),
+              const SizedBox(height: 12),
+              const Text('Vui lòng đăng nhập để xem tủ sách'),
+              const SizedBox(height: 16),
+              FilledButton(
+                onPressed: () => context.push(RouteNames.login),
+                child: const Text('Đăng nhập'),
+              ),
             ],
           ),
         ),
-        body: const TabBarView(
-          children: [
-            FeaturePlaceholder(
-              title: 'Dang doc',
-              description: 'Danh sach truyện dang doc theo progress sync.',
-            ),
-            FeaturePlaceholder(
-              title: 'Danh dau',
-              description: 'Tat ca truyện da bookmark cua user.',
-            ),
-            FeaturePlaceholder(
-              title: 'Da doc',
-              description: 'Danh sach truyện da hoan thanh.',
-            ),
-            FeaturePlaceholder(
-              title: 'De cu',
-              description: 'Danh sach truyện user da de cu.',
-            ),
-          ],
+      );
+    }
+
+    final bookshelfAsync = ref.watch(bookshelfProvider);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Tủ sách'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.refresh),
+            onPressed: () => ref.read(bookshelfProvider.notifier).fetch(),
+          ),
+        ],
+      ),
+      body: bookshelfAsync.when(
+        loading: () => const Center(child: CircularProgressIndicator()),
+        error: (e, _) => Center(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Icon(Icons.error_outline, size: 48),
+              const SizedBox(height: 8),
+              Text('Lỗi: $e'),
+              TextButton(
+                onPressed: () => ref.read(bookshelfProvider.notifier).fetch(),
+                child: const Text('Thử lại'),
+              ),
+            ],
+          ),
         ),
+        data: (bookmarks) {
+          if (bookmarks.isEmpty) {
+            return const Center(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(Icons.menu_book_outlined, size: 56),
+                  SizedBox(height: 12),
+                  Text('Chưa có truyện nào trong tủ sách'),
+                ],
+              ),
+            );
+          }
+          return RefreshIndicator(
+            onRefresh: () => ref.read(bookshelfProvider.notifier).fetch(),
+            child: ListView.builder(
+              itemCount: bookmarks.length,
+              itemBuilder: (context, index) =>
+                  _BookmarkTile(bookmark: bookmarks[index]),
+            ),
+          );
+        },
       ),
     );
   }
 }
+
+class _BookmarkTile extends StatelessWidget {
+  final BookmarkModel bookmark;
+  const _BookmarkTile({required this.bookmark});
+
+  @override
+  Widget build(BuildContext context) {
+    final novel = bookmark.novel;
+    return ListTile(
+      leading: ClipRRect(
+        borderRadius: BorderRadius.circular(6),
+        child: novel?.coverUrl != null
+            ? CachedNetworkImage(
+                imageUrl: novel!.coverUrl!,
+                width: 44,
+                height: 60,
+                fit: BoxFit.cover,
+              )
+            : Container(
+                width: 44,
+                height: 60,
+                color: Theme.of(context).colorScheme.primaryContainer,
+                child: const Icon(Icons.menu_book, size: 20),
+              ),
+      ),
+      title: Text(
+        novel?.title ?? bookmark.novelId,
+        maxLines: 1,
+        overflow: TextOverflow.ellipsis,
+      ),
+      subtitle: novel?.authorName != null
+          ? Text(novel!.authorName, maxLines: 1, overflow: TextOverflow.ellipsis)
+          : null,
+      onTap: () => context.push(RouteNames.novelDetail(bookmark.novelId)),
+    );
+  }
+}