feat(water): 后台任务同步HealthKit饮水记录并优化目标读取逻辑

services/backgroundTaskManager.ts

@@ -3,9 +3,12 @@ import AsyncStorage from '@/utils/kvStore';
 import { log } from '@/utils/logger';
 import { listChallenges } from '@/services/challengesApi';
 import { ChallengeNotificationHelpers, StandReminderHelpers, WaterNotificationHelpers } from '@/utils/notificationHelpers';
+import { getWaterIntakeFromHealthKit } from '@/utils/health';
+import { getWaterGoalFromStorage } from '@/utils/userPreferences';
 import * as BackgroundTask from 'expo-background-task';
 import * as TaskManager from 'expo-task-manager';
 import { TaskManagerTaskBody } from 'expo-task-manager';
+import dayjs from 'dayjs';
 
 export const BACKGROUND_TASK_IDENTIFIER = 'com.anonymous.digitalpilates.task';
 
@@ -33,8 +36,13 @@ async function executeWaterReminderTask(): Promise<void> {
     const waterStats = state.water.todayStats;
     const userProfile = state.user.profile;
 
-    // 检查是否有喝水目标设置
-    if (!waterStats || !waterStats.dailyGoal || waterStats.dailyGoal <= 0) {
+    // 优先使用 Redux 中的目标，若无则读取本地存储
+    let dailyGoal = waterStats?.dailyGoal ?? 0;
+    if (!dailyGoal || dailyGoal <= 0) {
+      dailyGoal = await getWaterGoalFromStorage();
+    }
+
+    if (!dailyGoal || dailyGoal <= 0) {
       console.log('没有设置喝水目标，跳过喝水提醒');
       return;
     }
@@ -45,11 +53,38 @@ async function executeWaterReminderTask(): Promise<void> {
     // 获取用户名
     const userName = userProfile?.name || '朋友';
 
+    const todayRange = {
+      startDate: dayjs().startOf('day').toDate().toISOString(),
+      endDate: dayjs().endOf('day').toDate().toISOString()
+    };
+
+    let totalAmount = waterStats?.totalAmount ?? 0;
+    let completionRate = waterStats?.completionRate ?? (dailyGoal > 0 ? (totalAmount / dailyGoal) * 100 : 0);
+
+    try {
+      const healthKitRecords = await getWaterIntakeFromHealthKit(todayRange);
+      if (Array.isArray(healthKitRecords) && healthKitRecords.length > 0) {
+        totalAmount = healthKitRecords.reduce((sum: number, record: unknown) => {
+          if (record && typeof record === 'object' && 'value' in record) {
+            const { value } = record as { value?: number | string };
+            const numericValue = Number(value ?? 0);
+            return Number.isFinite(numericValue) ? sum + numericValue : sum;
+          }
+          return sum;
+        }, 0);
+        completionRate = Math.min((totalAmount / dailyGoal) * 100, 100);
+      } else {
+        console.log('HealthKit 未返回今日饮水记录，使用应用内缓存数据');
+      }
+    } catch (healthKitError) {
+      console.error('从HealthKit获取饮水记录失败，使用应用内缓存数据:', healthKitError);
+    }
+
     // 构造今日统计数据
     const todayWaterStats = {
-      totalAmount: waterStats.totalAmount || 0,
-      dailyGoal: waterStats.dailyGoal,
-      completionRate: waterStats.completionRate || 0
+      totalAmount,
+      dailyGoal,
+      completionRate: Number.isFinite(completionRate) ? completionRate : 0
     };
 
     // 调用喝水通知检查函数