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src/elderly/services/alertService.ts

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+/**
+ * 老人端消息推送服务
+ * 负责向家属端推送SOS、联系家人等消息
+ */
+
+const API_BASE_URL = 'http://localhost:8000/api';
+
+export interface AlertData {
+  family_id: string;
+  alert_type: 'sos_emergency' | 'contact_family' | 'medication' | 'emotion' | 'inactive' | 'emergency';
+  level: 'low' | 'medium' | 'high';
+  message: string;
+}
+
+/**
+ * 推送SOS紧急消息到家属端
+ */
+export async function sendSOSAlert(familyId: string, elderlyId?: number): Promise<boolean> {
+  try {
+    const now = new Date();
+    const timeStr = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;
+    const dateStr = `${now.getMonth() + 1}月${now.getDate()}日`;
+
+    const alertData: any = {
+      family_id: familyId,
+      alert_type: 'sos_emergency',
+      level: 'high',
+      title: '紧急求助',
+      message: `老人触发了紧急求助（${dateStr} ${timeStr}）`,
+      metadata: JSON.stringify({
+        device: '平板',
+        location: '客厅'
+      })
+    };
+
+    if (elderlyId) {
+      alertData.elderly_id = elderlyId;
+    }
+
+    const response = await fetch(`${API_BASE_URL}/elderly/alerts`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(alertData),
+    });
+
+    if (!response.ok) {
+      const errorData = await response.json();
+      console.error('发送SOS消息失败:', errorData);
+      return false;
+    }
+
+    const data = await response.json();
+    console.log('SOS消息发送成功，ID:', data.alert_id);
+    return true;
+  } catch (error) {
+    console.error('发送SOS消息错误:', error);
+    return false;
+  }
+}
+
+/**
+ * 推送联系家人消息到家属端
+ */
+export async function sendContactFamilyAlert(familyId: string, elderlyId?: number): Promise<boolean> {
+  try {
+    const now = new Date();
+    const timeStr = `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`;
+    const dateStr = `${now.getMonth() + 1}月${now.getDate()}日`;
+
+    const alertData: any = {
+      family_id: familyId,
+      alert_type: 'contact_family',
+      level: 'medium',
+      message: `老人想要联系您（${dateStr} ${timeStr}）`,
+    };
+
+    if (elderlyId) {
+      alertData.elderly_id = elderlyId;
+    }
+
+    const response = await fetch(`${API_BASE_URL}/elderly/alerts`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(alertData),
+    });
+
+    if (!response.ok) {
+      const errorData = await response.json();
+      console.error('发送联系家人消息失败:', errorData);
+      return false;
+    }
+
+    const data = await response.json();
+    console.log('联系家人消息发送成功，ID:', data.alert_id);
+    return true;
+  } catch (error) {
+    console.error('发送联系家人消息错误:', error);
+    return false;
+  }
+}
+
+/**
+ * 推送用药提醒消息到家属端
+ */
+export async function sendMedicationAlert(
+  familyId: string,
+  medicationName: string,
+  delayMinutes: number,
+  elderlyId?: number
+): Promise<boolean> {
+  try {
+    const alertData: any = {
+      family_id: familyId,
+      alert_type: 'medication',
+      level: delayMinutes > 30 ? 'medium' : 'low',
+      message: `${medicationName}延迟${delayMinutes}分钟服用`,
+    };
+
+    if (elderlyId) {
+      alertData.elderly_id = elderlyId;
+    }
+
+    const response = await fetch(`${API_BASE_URL}/elderly/alerts`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(alertData),
+    });
+
+    if (!response.ok) {
+      const errorData = await response.json();
+      console.error('发送用药消息失败:', errorData);
+      return false;
+    }
+
+    const data = await response.json();
+    console.log('用药消息发送成功，ID:', data.alert_id);
+    return true;
+  } catch (error) {
+    console.error('发送用药消息错误:', error);
+    return false;
+  }
+}
+
+/**
+ * 推送情绪异常消息到家属端
+ */
+export async function sendEmotionAlert(
+  familyId: string,
+  emotionDescription: string,
+  elderlyId?: number
+): Promise<boolean> {
+  try {
+    const alertData: any = {
+      family_id: familyId,
+      alert_type: 'emotion',
+      level: 'medium',
+      message: emotionDescription,
+    };
+
+    if (elderlyId) {
+      alertData.elderly_id = elderlyId;
+    }
+
+    const response = await fetch(`${API_BASE_URL}/elderly/alerts`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(alertData),
+    });
+
+    if (!response.ok) {
+      const errorData = await response.json();
+      console.error('发送情绪消息失败:', errorData);
+      return false;
+    }
+
+    const data = await response.json();
+    console.log('情绪消息发送成功，ID:', data.alert_id);
+    return true;
+  } catch (error) {
+    console.error('发送情绪消息错误:', error);
+    return false;
+  }
+}
+
+/**
+ * 获取家属的回复消息
+ */
+export async function getFamilyReplies(elderlyId: number): Promise<any[]> {
+  try {
+    const response = await fetch(
+      `${API_BASE_URL}/elderly/alerts/replies?elderly_id=${elderlyId}`
+    );
+
+    if (!response.ok) {
+      throw new Error(`获取回复失败: ${response.statusText}`);
+    }
+
+    const data = await response.json();
+    return data.replies || [];
+  } catch (error) {
+    console.error('获取家属回复错误:', error);
+    throw error;
+  }
+}