import 'package:hive_flutter/hive_flutter.dart';
import '../models/task_item.dart';

class DatabaseService {
  static const String tasksBoxName = 'essence_tasks_v3'; // 更改版本号以避免旧数据冲突
  static const String settingsBoxName = 'settings';

  static Future<void> initialize() async {
    await Hive.initFlutter();
    Hive.registerAdapter(TaskItemAdapter());
  }

  static Future<Box<TaskItem>> openTasksBox() async {
    return await Hive.openBox<TaskItem>(tasksBoxName);
  }

  static Future<Box> openSettingsBox() async {
    return await Hive.openBox(settingsBoxName);
  }

  static Future<void> injectMockData(Box<TaskItem> tasksBox) async {
    if (tasksBox.isEmpty) {
      final now = DateTime.now();
      final mockTasks = [
        TaskItem(
          id: 'guide_1',
          title: "👋 Welcome to EssenceDailyCore",
          subtitle: "Long press to drag and reorder",
          notes: "EssenceDailyCore encourages you to focus on the 3 most important things daily.",
          createdAt: now,
          sortIndex: 0,
        ),
        TaskItem(
          id: 'guide_2',
          title: "Swipe right to complete",
          subtitle: "Feel the satisfying haptic feedback",
          createdAt: now,
          sortIndex: 1,
        ),
        TaskItem(
          id: 'guide_3',
          title: "Tap the 1st task to Focus",
          subtitle: "Built-in timer helps you enter flow state",
          createdAt: now,
          sortIndex: 2,
        ),
        TaskItem(
          id: 'guide_4',
          title: "Tap here for details",
          subtitle: "Add notes, tags, or edit deadlines",
          createdAt: now,
          sortIndex: 3,
        ),
      ];

      for (var task in mockTasks) {
        await tasksBox.put(task.id, task);
      }
    }
  }

  static Box<TaskItem> getTasksBox() {
    return Hive.box<TaskItem>(tasksBoxName);
  }

  static Box getSettingsBox() {
    return Hive.box(settingsBoxName);
  }
}