Add full CRUD tasks with AI integration

lib/core/router.dart

@@ -2,6 +2,7 @@ import 'package:go_router/go_router.dart';
 import '../screens/auth_screen.dart';
 import '../screens/home_screen.dart';
 import '../screens/tasks_screen.dart';
+import '../screens/task_form_screen.dart';
 import '../screens/mind_map_screen.dart';
 import '../screens/calendar_screen.dart';
 import '../screens/alarms_screen.dart';
@@ -25,6 +26,30 @@ class AppRouter {
             path: 'tasks',
             name: 'tasks',
             builder: (context, state) => const TasksScreen(),
+            routes: [
+              GoRoute(
+                path: 'new',
+                name: 'new-task',
+                builder: (context, state) {
+                  final args = state.extra as Map<String, dynamic>?;
+                  return TaskFormScreen(
+                    projectId: args?['projectId'] ?? 'default',
+                  );
+                },
+              ),
+              GoRoute(
+                path: ':taskId',
+                name: 'edit-task',
+                builder: (context, state) {
+                  final args = state.extra as Map<String, dynamic>?;
+                  final task = args?['task'];
+                  return TaskFormScreen(
+                    task: task,
+                    projectId: args?['projectId'] ?? 'default',
+                  );
+                },
+              ),
+            ],
           ),
           GoRoute(
             path: 'mindmap',

lib/providers/task_provider.dart

@@ -0,0 +1,210 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:uuid/uuid.dart';
+import '../models/task_model.dart';
+import '../models/project_model.dart';
+import '../core/firestore_service.dart';
+import '../core/local_storage_service.dart';
+import '../core/deepseek_service.dart';
+
+// Provider для списка всех задач
+final tasksProvider = StateNotifierProvider<TasksNotifier, AsyncValue<List<TaskModel>>>((ref) {
+  return TasksNotifier();
+});
+
+// Provider для задач конкретного проекта
+final tasksByProjectProvider = Provider.family<AsyncValue<List<TaskModel>>, String>((ref, projectId) {
+  final tasks = ref.watch(tasksProvider);
+  return tasks.when(
+    data: (allTasks) => AsyncValue.data(allTasks.where((t) => t.projectId == projectId).toList()),
+    loading: () => const AsyncValue.loading(),
+    error: (e, st) => AsyncValue.error(e, st),
+  );
+});
+
+// Provider для задач пользователя
+final tasksByUserProvider = Provider.family<AsyncValue<List<TaskModel>>, String>((ref, userId) {
+  final tasks = ref.watch(tasksProvider);
+  return tasks.when(
+    data: (allTasks) => AsyncValue.data(allTasks.where((t) => t.assigneeId == userId).toList()),
+    loading: () => const AsyncValue.loading(),
+    error: (e, st) => AsyncValue.error(e, st),
+  );
+});
+
+class TasksNotifier extends StateNotifier<AsyncValue<List<TaskModel>>> {
+  TasksNotifier() : super(const AsyncValue.loading()) {
+    _loadTasks();
+  }
+
+  // Загрузка задач
+  Future<void> _loadTasks() async {
+    try {
+      // Сначала загружаем из локального хранилища
+      final localTasks = localStorageService.getTasks();
+      state = AsyncValue.data(localTasks);
+
+      // Потом синхронизируем с Firestore
+      // TODO: Реализовать когда будет Firebase Auth
+    } catch (e, st) {
+      state = AsyncValue.error(e, st);
+    }
+  }
+
+  // Создание задачи
+  Future<TaskModel> createTask({
+    required String title,
+    String? description,
+    required String projectId,
+    String? parentTaskId,
+    TaskPriority priority = TaskPriority.medium,
+    DateTime? dueDate,
+    int estimatedHours = 0,
+  }) async {
+    try {
+      final task = TaskModel(
+        id: const Uuid().v4(),
+        title: title,
+        description: description,
+        projectId: projectId,
+        parentTaskId: parentTaskId,
+        priority: priority,
+        dueDate: dueDate,
+        estimatedHours: estimatedHours,
+        createdAt: DateTime.now(),
+        updatedAt: DateTime.now(),
+      );
+
+      // Сохраняем локально
+      await localStorageService.saveTask(task);
+      
+      // Обновляем состояние
+      final currentTasks = state.value ?? [];
+      state = AsyncValue.data([...currentTasks, task]);
+
+      // TODO: Сохранить в Firestore когда будет авторизация
+      // await firestoreService.createTask(task);
+
+      return task;
+    } catch (e, st) {
+      state = AsyncValue.error(e, st);
+      rethrow;
+    }
+  }
+
+  // Обновление задачи
+  Future<void> updateTask(String taskId, {
+    String? title,
+    String? description,
+    TaskStatus? status,
+    TaskPriority? priority,
+    DateTime? dueDate,
+    String? assigneeId,
+  }) async {
+    try {
+      final currentTasks = state.value ?? [];
+      final taskIndex = currentTasks.indexWhere((t) => t.id == taskId);
+      
+      if (taskIndex == -1) throw Exception('Task not found');
+
+      final oldTask = currentTasks[taskIndex];
+      final updatedTask = oldTask.copyWith(
+        title: title ?? oldTask.title,
+        description: description ?? oldTask.description,
+        status: status ?? oldTask.status,
+        priority: priority ?? oldTask.priority,
+        dueDate: dueDate ?? oldTask.dueDate,
+        assigneeId: assigneeId ?? oldTask.assigneeId,
+        updatedAt: DateTime.now(),
+      );
+
+      // Сохраняем локально
+      await localStorageService.saveTask(updatedTask);
+
+      // Обновляем состояние
+      currentTasks[taskIndex] = updatedTask;
+      state = AsyncValue.data(List.from(currentTasks));
+
+      // TODO: Обновить в Firestore
+    } catch (e, st) {
+      state = AsyncValue.error(e, st);
+      rethrow;
+    }
+  }
+
+  // Удаление задачи
+  Future<void> deleteTask(String taskId) async {
+    try {
+      // Удаляем локально
+      await localStorageService.deleteTask(taskId);
+
+      // Обновляем состояние
+      final currentTasks = state.value ?? [];
+      currentTasks.removeWhere((t) => t.id == taskId);
+      state = AsyncValue.data(List.from(currentTasks));
+
+      // TODO: Удалить из Firestore
+    } catch (e, st) {
+      state = AsyncValue.error(e, st);
+      rethrow;
+    }
+  }
+
+  // AI: Генерация подзадач
+  Future<List<TaskModel>> generateSubtasksWithAI({
+    required String title,
+    required String description,
+    required String projectId,
+    String? parentTaskId,
+  }) async {
+    try {
+      final subtasksData = await deepSeekService.generateSubtasks(
+        title: title,
+        description: description,
+      );
+
+      final subtasks = <TaskModel>[];
+      for (final subtaskData in subtasksData) {
+        final subtask = await createTask(
+          title: subtaskData['title'] ?? '',
+          description: subtaskData['description'],
+          projectId: projectId,
+          parentTaskId: parentTaskId,
+          estimatedHours: subtaskData['estimatedHours'] ?? 0,
+        );
+        subtasks.add(subtask);
+      }
+
+      return subtasks;
+    } catch (e, st) {
+      rethrow;
+    }
+  }
+
+  // AI: Приоритизация задачи
+  Future<TaskPriority> prioritizeTaskWithAI({
+    required String title,
+    required String description,
+    DateTime? dueDate,
+  }) async {
+    return await deepSeekService.prioritizeTask(
+      title: title,
+      description: description,
+      dueDate: dueDate,
+    );
+  }
+
+  // Фильтрация задач по статусу
+  List<TaskModel> filterByStatus(List<TaskModel> tasks, TaskStatus status) {
+    return tasks.where((t) => t.status == status).toList();
+  }
+
+  // Фильтрация задач по приоритету
+  List<TaskModel> filterByPriority(List<TaskModel> tasks, TaskPriority priority) {
+    return tasks.where((t) => t.priority == priority).toList();
+  }
+
+  // Просроченные задачи
+  List<TaskModel> getOverdueTasks(List<TaskModel> tasks) {
+    return tasks.where((t) => t.isOverdue).toList();
+  }
+}

lib/screens/task_form_screen.dart

@@ -0,0 +1,416 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../providers/task_provider.dart';
+import '../models/task_model.dart';
+
+class TaskFormScreen extends ConsumerStatefulWidget {
+  final TaskModel? task;
+  final String projectId;
+
+  const TaskFormScreen({
+    super.key,
+    this.task,
+    required this.projectId,
+  });
+
+  @override
+  ConsumerState<TaskFormScreen> createState() => _TaskFormScreenState();
+}
+
+class _TaskFormScreenState extends ConsumerState<TaskFormScreen> {
+  final _formKey = GlobalKey<FormState>();
+  final _titleController = TextEditingController();
+  final _descriptionController = TextEditingController();
+  
+  TaskPriority _priority = TaskPriority.medium;
+  DateTime? _dueDate;
+  int _estimatedHours = 0;
+  bool _isGenerating = false;
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.task != null) {
+      _titleController.text = widget.task!.title;
+      _descriptionController.text = widget.task!.description ?? '';
+      _priority = widget.task!.priority;
+      _dueDate = widget.task!.dueDate;
+      _estimatedHours = widget.task!.estimatedHours;
+    }
+  }
+
+  @override
+  void dispose() {
+    _titleController.dispose();
+    _descriptionController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _selectDueDate() async {
+    final picked = await showDatePicker(
+      context: context,
+      initialDate: _dueDate ?? DateTime.now(),
+      firstDate: DateTime.now(),
+      lastDate: DateTime.now().add(const Duration(days: 365)),
+    );
+    
+    if (picked != null) {
+      setState(() {
+        _dueDate = picked;
+      });
+    }
+  }
+
+  Future<void> _generateSubtasksWithAI() async {
+    if (_titleController.text.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Введите название задачи')),
+      );
+      return;
+    }
+
+    setState(() {
+      _isGenerating = true;
+    });
+
+    try {
+      await ref.read(tasksProvider.notifier).generateSubtasksWithAI(
+        title: _titleController.text,
+        description: _descriptionController.text,
+        projectId: widget.projectId,
+        parentTaskId: widget.task?.id,
+      );
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(
+            content: Text('✅ Подзадачи успешно сгенерированы!'),
+            backgroundColor: Colors.green,
+          ),
+        );
+        context.pop(true);
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('❌ Ошибка: $e'),
+            backgroundColor: Colors.red,
+          ),
+        );
+      }
+    } finally {
+      setState(() {
+        _isGenerating = false;
+      });
+    }
+  }
+
+  Future<void> _prioritizeWithAI() async {
+    if (_titleController.text.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Введите название задачи')),
+      );
+      return;
+    }
+
+    setState(() {
+      _isGenerating = true;
+    });
+
+    try {
+      final priority = await ref.read(tasksProvider.notifier).prioritizeTaskWithAI(
+        title: _titleController.text,
+        description: _descriptionController.text,
+        dueDate: _dueDate,
+      );
+
+      setState(() {
+        _priority = priority;
+      });
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('✅ AI определил приоритет: ${priority.name}'),
+            backgroundColor: Colors.green,
+          ),
+        );
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('❌ Ошибка: $e'),
+            backgroundColor: Colors.red,
+          ),
+        );
+      }
+    } finally {
+      setState(() {
+        _isGenerating = false;
+      });
+    }
+  }
+
+  Future<void> _saveTask() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    try {
+      if (widget.task != null) {
+        // Редактирование
+        await ref.read(tasksProvider.notifier).updateTask(
+          widget.task!.id,
+          title: _titleController.text,
+          description: _descriptionController.text,
+          priority: _priority,
+          dueDate: _dueDate,
+        );
+      } else {
+        // Создание
+        await ref.read(tasksProvider.notifier).createTask(
+          title: _titleController.text,
+          description: _descriptionController.text,
+          projectId: widget.projectId,
+          priority: _priority,
+          dueDate: _dueDate,
+          estimatedHours: _estimatedHours,
+        );
+      }
+
+      if (mounted) {
+        context.pop(true);
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('❌ Ошибка: $e'),
+            backgroundColor: Colors.red,
+          ),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final isEdit = widget.task != null;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(isEdit ? 'Редактировать задачу' : 'Новая задача'),
+        actions: [
+          if (isEdit)
+            IconButton(
+              icon: const Icon(Icons.delete_outline),
+              onPressed: () => _confirmDelete(),
+              tooltip: 'Удалить',
+            ),
+        ],
+      ),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          padding: const EdgeInsets.all(16),
+          children: [
+            // Название
+            TextFormField(
+              controller: _titleController,
+              decoration: const InputDecoration(
+                labelText: 'Название *',
+                border: OutlineInputBorder(),
+                prefixIcon: Icon(Icons.title),
+              ),
+              validator: (value) {
+                if (value == null || value.isEmpty) {
+                  return 'Введите название';
+                }
+                return null;
+              },
+            ),
+            const SizedBox(height: 16),
+
+            // Описание
+            TextFormField(
+              controller: _descriptionController,
+              decoration: const InputDecoration(
+                labelText: 'Описание',
+                border: OutlineInputBorder(),
+                prefixIcon: Icon(Icons.description),
+                alignLabelWithHint: true,
+              ),
+              maxLines: 5,
+            ),
+            const SizedBox(height: 24),
+
+            // AI Кнопки
+            if (!isEdit) ...[
+              _buildAIButton(
+                icon: Icons.auto_awesome,
+                label: 'AI: Создать подзадачи',
+                onPressed: _isGenerating ? null : _generateSubtasksWithAI,
+                color: Colors.purple,
+              ),
+              const SizedBox(height: 8),
+              _buildAIButton(
+                icon: Icons.priority_high,
+                label: 'AI: Определить приоритет',
+                onPressed: _isGenerating ? null : _prioritizeWithAI,
+                color: Colors.orange,
+              ),
+              const SizedBox(height: 24),
+            ],
+
+            // Приоритет
+            DropdownButtonFormField<TaskPriority>(
+              value: _priority,
+              decoration: const InputDecoration(
+                labelText: 'Приоритет',
+                border: OutlineInputBorder(),
+                prefixIcon: Icon(Icons.flag),
+              ),
+              items: TaskPriority.values.map((priority) {
+                return DropdownMenuItem(
+                  value: priority,
+                  child: Row(
+                    children: [
+                      _getPriorityIcon(priority),
+                      const SizedBox(width: 8),
+                      Text(_getPriorityLabel(priority)),
+                    ],
+                  ),
+                );
+              }).toList(),
+              onChanged: (value) {
+                if (value != null) {
+                  setState(() {
+                    _priority = value;
+                  });
+                }
+              },
+            ),
+            const SizedBox(height: 16),
+
+            // Дедлайн
+            ListTile(
+              leading: const Icon(Icons.calendar_today),
+              title: const Text('Дедлайн'),
+              subtitle: Text(_dueDate != null 
+                  ? '📅 ${_dueDate!.day}.${_dueDate!.month}.${_dueDate!.year}'
+                  : 'Не выбран'),
+              trailing: const Icon(Icons.chevron_right),
+              onTap: _selectDueDate,
+            ),
+            const SizedBox(height: 16),
+
+            // Оценка времени
+            Row(
+              children: [
+                Expanded(
+                  child: TextFormField(
+                    initialValue: _estimatedHours.toString(),
+                    decoration: const InputDecoration(
+                      labelText: 'Оценка (часы)',
+                      border: OutlineInputBorder(),
+                      prefixIcon: Icon(Icons.timer),
+                    ),
+                    keyboardType: TextInputType.number,
+                    onChanged: (value) {
+                      _estimatedHours = int.tryParse(value) ?? 0;
+                    },
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 32),
+
+            // Кнопка сохранения
+            ElevatedButton(
+              onPressed: _saveTask,
+              style: ElevatedButton.styleFrom(
+                padding: const EdgeInsets.symmetric(vertical: 16),
+              ),
+              child: _isGenerating
+                  ? const SizedBox(
+                      height: 20,
+                      width: 20,
+                      child: CircularProgressIndicator(strokeWidth: 2),
+                    )
+                  : Text(isEdit ? 'Сохранить' : 'Создать задачу'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildAIButton({
+    required IconData icon,
+    required String label,
+    required VoidCallback? onPressed,
+    required Color color,
+  }) {
+    return OutlinedButton.icon(
+      onPressed: onPressed,
+      icon: Icon(icon, color: color),
+      label: Text(label),
+      style: OutlinedButton.styleFrom(
+        padding: const EdgeInsets.symmetric(vertical: 12),
+        side: BorderSide(color: color),
+      ),
+    );
+  }
+
+  Widget _getPriorityIcon(TaskPriority priority) {
+    switch (priority) {
+      case TaskPriority.urgent:
+        return const Icon(Icons.fire_engine, color: Colors.red);
+      case TaskPriority.high:
+        return const Icon(Icons.arrow_upward, color: Colors.orange);
+      case TaskPriority.medium:
+        return const Icon(Icons.remove, color: Colors.blue);
+      case TaskPriority.low:
+        return const Icon(Icons.arrow_downward, color: Colors.green);
+    }
+  }
+
+  String _getPriorityLabel(TaskPriority priority) {
+    switch (priority) {
+      case TaskPriority.urgent:
+        return 'Срочно';
+      case TaskPriority.high:
+        return 'Высокий';
+      case TaskPriority.medium:
+        return 'Средний';
+      case TaskPriority.low:
+        return 'Низкий';
+    }
+  }
+
+  void _confirmDelete() {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Удалить задачу?'),
+        content: const Text('Это действие нельзя отменить'),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Отмена'),
+          ),
+          TextButton(
+            onPressed: () {
+              ref.read(tasksProvider.notifier).deleteTask(widget.task!.id);
+              Navigator.pop(context);
+              context.pop(true);
+            },
+            style: TextButton.styleFrom(foregroundColor: Colors.red),
+            child: const Text('Удалить'),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/screens/tasks_screen.dart

@@ -1,17 +1,23 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../providers/task_provider.dart';
+import '../models/task_model.dart';
 
-class TasksScreen extends StatelessWidget {
+class TasksScreen extends ConsumerWidget {
   const TasksScreen({super.key});
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
+    final tasksState = ref.watch(tasksProvider);
+
     return Scaffold(
       appBar: AppBar(
         title: const Text('Задачи'),
         actions: [
           IconButton(
             icon: const Icon(Icons.filter_list),
-            onPressed: () {},
+            onPressed: () => _showFilterDialog(context),
           ),
           IconButton(
             icon: const Icon(Icons.search),
@@ -19,68 +25,326 @@ class TasksScreen extends StatelessWidget {
           ),
         ],
       ),
-      body: ListView.builder(
-        padding: const EdgeInsets.all(16),
-        itemCount: 10,
-        itemBuilder: (context, index) {
-          return _TaskCard(index: index);
+      body: tasksState.when(
+        data: (tasks) {
+          if (tasks.isEmpty) {
+            return _buildEmptyState(context);
+          }
+
+          // Группируем по статусам
+          final todoTasks =
+              tasks.where((t) => t.status == TaskStatus.todo).toList();
+          final inProgressTasks =
+              tasks.where((t) => t.status == TaskStatus.inProgress).toList();
+          final doneTasks =
+              tasks.where((t) => t.status == TaskStatus.done).toList();
+
+          return ListView(
+            padding: const EdgeInsets.all(16),
+            children: [
+              if (todoTasks.isNotEmpty) ...[
+                _buildSectionHeader('В планах', todoTasks.length, Colors.blue),
+                ...todoTasks.map((task) => _TaskCard(task: task)),
+                const SizedBox(height: 16),
+              ],
+              if (inProgressTasks.isNotEmpty) ...[
+                _buildSectionHeader(
+                    'В работе', inProgressTasks.length, Colors.orange),
+                ...inProgressTasks.map((task) => _TaskCard(task: task)),
+                const SizedBox(height: 16),
+              ],
+              if (doneTasks.isNotEmpty) ...[
+                _buildSectionHeader('Готово', doneTasks.length, Colors.green),
+                ...doneTasks.map((task) => _TaskCard(task: task)),
+              ],
+            ],
+          );
         },
+        loading: () => const Center(child: CircularProgressIndicator()),
+        error: (error, stack) => Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Icon(Icons.error_outline, size: 48, color: Colors.red),
+              const SizedBox(height: 16),
+              Text('Ошибка: $error'),
+              const SizedBox(height: 16),
+              ElevatedButton(
+                onPressed: () => ref.refresh(tasksProvider),
+                child: const Text('Повторить'),
+              ),
+            ],
+          ),
+        ),
       ),
       floatingActionButton: FloatingActionButton.extended(
-        onPressed: () {},
+        onPressed: () async {
+          final result = await context
+              .push('/home/tasks/new', extra: {'projectId': 'default'});
+          if (result == true) {
+            ScaffoldMessenger.of(context).showSnackBar(
+              const SnackBar(content: Text('✅ Задача создана')),
+            );
+          }
+        },
         icon: const Icon(Icons.add),
         label: const Text('Новая задача'),
       ),
     );
   }
-}
 
-class _TaskCard extends StatelessWidget {
-  final int index;
-
-  const _TaskCard({required this.index});
-
-  @override
-  Widget build(BuildContext context) {
-    return Card(
-      margin: const EdgeInsets.only(bottom: 12),
-      child: ListTile(
-        leading: CircleAvatar(
-          backgroundColor: _getPriorityColor(index),
-          child: Text('${index + 1}'),
-        ),
-        title: Text('Задача #${index + 1}'),
-        subtitle: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            const SizedBox(height: 4),
-            Text('Описание задачи...'),
-            const SizedBox(height: 4),
-            Row(
-              children: [
-                Icon(Icons.calendar_today, size: 12, color: Colors.grey),
-                const SizedBox(width: 4),
-                Text(
-                  'До: ${DateTime.now().add(Duration(days: index)).toString().split(' ')[0]}',
-                  style: const TextStyle(fontSize: 12, color: Colors.grey),
-                ),
-              ],
-            ),
-          ],
-        ),
-        trailing: PopupMenuButton(
-          itemBuilder: (context) => [
-            const PopupMenuItem(value: 'edit', child: Text('Редактировать')),
-            const PopupMenuItem(value: 'delete', child: Text('Удалить')),
-          ],
-        ),
-        isThreeLine: true,
+  Widget _buildEmptyState(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          const Icon(
+            Icons.task_alt,
+            size: 100,
+            color: Colors.grey,
+          ),
+          const SizedBox(height: 24),
+          const Text(
+            'Нет задач',
+            style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+          ),
+          const SizedBox(height: 8),
+          const Text(
+            'Создайте первую задачу',
+            style: TextStyle(color: Colors.grey),
+          ),
+          const SizedBox(height: 32),
+          ElevatedButton.icon(
+            onPressed: () => context
+                .push('/home/tasks/new', extra: {'projectId': 'default'}),
+            icon: const Icon(Icons.add),
+            label: const Text('Создать задачу'),
+          ),
+        ],
       ),
     );
   }
 
-  Color _getPriorityColor(int index) {
-    final colors = [Colors.red, Colors.orange, Colors.blue, Colors.green];
-    return colors[index % colors.length];
+  Widget _buildSectionHeader(String title, int count, Color color) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 12),
+      child: Row(
+        children: [
+          Container(
+            width: 4,
+            height: 20,
+            decoration: BoxDecoration(
+              color: color,
+              borderRadius: BorderRadius.circular(2),
+            ),
+          ),
+          const SizedBox(width: 8),
+          Text(
+            title,
+            style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+          ),
+          const SizedBox(width: 8),
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+            decoration: BoxDecoration(
+              color: color.withOpacity(0.2),
+              borderRadius: BorderRadius.circular(12),
+            ),
+            child: Text(
+              '$count',
+              style: TextStyle(color: color, fontWeight: FontWeight.bold),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showFilterDialog(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Фильтр задач'),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            ListTile(
+              leading: const Icon(Icons.all_inclusive),
+              title: const Text('Все задачи'),
+              onTap: () => Navigator.pop(context),
+            ),
+            ListTile(
+              leading: const Icon(Icons.pending, color: Colors.blue),
+              title: const Text('В планах'),
+              onTap: () => Navigator.pop(context),
+            ),
+            ListTile(
+              leading: const Icon(Icons.hourglass_empty, color: Colors.orange),
+              title: const Text('В работе'),
+              onTap: () => Navigator.pop(context),
+            ),
+            ListTile(
+              leading: const Icon(Icons.check_circle, color: Colors.green),
+              title: const Text('Готово'),
+              onTap: () => Navigator.pop(context),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _TaskCard extends ConsumerWidget {
+  final TaskModel task;
+
+  const _TaskCard({required this.task});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return Card(
+      margin: const EdgeInsets.only(bottom: 12),
+      child: ListTile(
+        leading: CircleAvatar(
+          backgroundColor: _getPriorityColor(task.priority),
+          child: Icon(
+            _getPriorityIcon(task.priority),
+            color: Colors.white,
+            size: 20,
+          ),
+        ),
+        title: Text(
+          task.title,
+          style: TextStyle(
+            decoration: task.status == TaskStatus.done
+                ? TextDecoration.lineThrough
+                : null,
+            color: task.status == TaskStatus.done ? Colors.grey : null,
+          ),
+        ),
+        subtitle: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            if (task.description != null && task.description!.isNotEmpty) ...[
+              const SizedBox(height: 4),
+              Text(
+                task.description!,
+                maxLines: 2,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ],
+            const SizedBox(height: 4),
+            Row(
+              children: [
+                if (task.dueDate != null) ...[
+                  Icon(
+                    task.isOverdue ? Icons.warning : Icons.calendar_today,
+                    size: 12,
+                    color: task.isOverdue ? Colors.red : Colors.grey,
+                  ),
+                  const SizedBox(width: 4),
+                  Text(
+                    '${task.dueDate!.day}.${task.dueDate!.month}',
+                    style: TextStyle(
+                      fontSize: 12,
+                      color: task.isOverdue ? Colors.red : Colors.grey,
+                    ),
+                  ),
+                  const SizedBox(width: 12),
+                ],
+                if (task.estimatedHours > 0) ...[
+                  const Icon(Icons.timer, size: 12, color: Colors.grey),
+                  const SizedBox(width: 4),
+                  Text(
+                    '${task.estimatedHours}ч',
+                    style: const TextStyle(fontSize: 12, color: Colors.grey),
+                  ),
+                ],
+              ],
+            ),
+          ],
+        ),
+        trailing: PopupMenuButton<String>(
+          onSelected: (value) => _handleMenuAction(context, ref, value),
+          itemBuilder: (context) => [
+            const PopupMenuItem(value: 'edit', child: Text('Редактировать')),
+            const PopupMenuItem(value: 'duplicate', child: Text('Дублировать')),
+            const PopupMenuItem(value: 'delete', child: Text('Удалить')),
+          ],
+        ),
+        isThreeLine: true,
+        onTap: () => context.push('/home/tasks/${task.id}', extra: {
+          'task': task,
+          'projectId': task.projectId,
+        }),
+      ),
+    );
+  }
+
+  Color _getPriorityColor(TaskPriority priority) {
+    switch (priority) {
+      case TaskPriority.urgent:
+        return Colors.red;
+      case TaskPriority.high:
+        return Colors.orange;
+      case TaskPriority.medium:
+        return Colors.blue;
+      case TaskPriority.low:
+        return Colors.green;
+    }
+  }
+
+  IconData _getPriorityIcon(TaskPriority priority) {
+    switch (priority) {
+      case TaskPriority.urgent:
+        return Icons.fire_engine;
+      case TaskPriority.high:
+        return Icons.arrow_upward;
+      case TaskPriority.medium:
+        return Icons.remove;
+      case TaskPriority.low:
+        return Icons.arrow_downward;
+    }
+  }
+
+  void _handleMenuAction(BuildContext context, WidgetRef ref, String action) {
+    switch (action) {
+      case 'edit':
+        context.push('/home/tasks/${task.id}', extra: {
+          'task': task,
+          'projectId': task.projectId,
+        });
+        break;
+      case 'delete':
+        _confirmDelete(context, ref);
+        break;
+    }
+  }
+
+  void _confirmDelete(BuildContext context, WidgetRef ref) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Удалить задачу?'),
+        content: const Text('Это действие нельзя отменить'),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Отмена'),
+          ),
+          TextButton(
+            onPressed: () {
+              ref.read(tasksProvider.notifier).deleteTask(task.id);
+              Navigator.pop(context);
+              ScaffoldMessenger.of(context).showSnackBar(
+                const SnackBar(content: Text('✅ Задача удалена')),
+              );
+            },
+            style: TextButton.styleFrom(foregroundColor: Colors.red),
+            child: const Text('Удалить'),
+          ),
+        ],
+      ),
+    );
   }
 }