feat: 新增喝水提醒功能，支持定期提醒和目标检查

services/backgroundTasks.ts

@@ -81,6 +81,78 @@ export const createNotificationCheckTask = (): BackgroundTask => ({
   },
 });
 
+// 喝水提醒检查任务
+export const createWaterReminderTask = (): BackgroundTask => ({
+  id: 'water-reminder-task',
+  name: '喝水提醒检查任务',
+  handler: async (data?: any) => {
+    console.log('开始执行喝水提醒检查任务');
+    
+    try {
+      // 导入必要的模块
+      const { WaterNotificationHelpers } = await import('@/utils/notificationHelpers');
+      const { getTodayWaterStats } = await import('@/services/waterRecords');
+      const AsyncStorage = (await import('@react-native-async-storage/async-storage')).default;
+      
+      // 获取用户信息
+      const userProfileJson = await AsyncStorage.getItem('@user_profile');
+      const userProfile = userProfileJson ? JSON.parse(userProfileJson) : null;
+      const userName = userProfile?.name || '朋友';
+      
+      // 检查时间限制：早上9点以前和晚上9点以后不通知
+      const currentHour = new Date().getHours();
+      if (currentHour < 9 || currentHour >= 21) {
+        console.log(`当前时间${currentHour}点，不在通知时间范围内（9:00-21:00），跳过喝水提醒检查`);
+        return;
+      }
+      
+      // 获取今日喝水统计数据
+      let todayStats;
+      try {
+        todayStats = await getTodayWaterStats();
+      } catch (error) {
+        console.log('获取喝水统计数据失败，可能用户未登录或无网络连接:', error);
+        return;
+      }
+
+      if (!todayStats || !todayStats.dailyGoal || todayStats.dailyGoal <= 0) {
+        console.log('没有设置喝水目标或目标无效，跳过喝水检查');
+        return;
+      }
+
+      // 构造今日统计数据
+      const waterStatsForCheck = {
+        totalAmount: todayStats.totalAmount || 0,
+        dailyGoal: todayStats.dailyGoal,
+        completionRate: todayStats.completionRate || 0
+      };
+
+      // 调用喝水通知检查函数
+      const notificationSent = await WaterNotificationHelpers.checkWaterGoalAndNotify(
+        userName,
+        waterStatsForCheck,
+        currentHour
+      );
+
+      if (notificationSent) {
+        console.log('喝水提醒通知已发送');
+      } else {
+        console.log('无需发送喝水提醒通知');
+      }
+      
+      console.log('喝水提醒检查任务执行完成');
+    } catch (error) {
+      console.error('喝水提醒检查任务执行失败:', error);
+      throw error;
+    }
+  },
+  options: {
+    minimumInterval: 60, // 60分钟最小间隔
+    stopOnTerminate: false,
+    startOnBoot: true,
+  },
+});
+
 // 示例任务：缓存清理任务
 export const createCacheCleanupTask = (): BackgroundTask => ({
   id: 'cache-cleanup-task',
@@ -142,6 +214,7 @@ export const registerDefaultTasks = async (): Promise<void> => {
       createDataSyncTask(),
       createHealthDataUpdateTask(),
       createNotificationCheckTask(),
+      createWaterReminderTask(),
       createCacheCleanupTask(),
       createUserAnalyticsTask(),
     ];