update pay function

src/views/AgentChat/neuratalk/lib/auth.ts

@@ -0,0 +1,103 @@
+// lib/auth.ts - 简化版认证工具
+// 用于在 Next.js 中获取主应用的登录信息
+
+export interface User {
+  id: string;
+  username: string;
+  email: string;
+  subscription_tier: string;
+  avatar?: string;
+}
+
+export interface AuthInfo {
+  isAuthenticated: boolean;
+  user?: User;
+  canAccessChat?: boolean;
+  message?: string;
+}
+
+/**
+ * 客户端检查认证状态
+ * 直接调用 Flask 后端的 session 接口
+ */
+export async function checkAuth(): Promise<AuthInfo> {
+  try {
+    // 调用主应用的 session 检查接口
+    const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/api/auth/session`, {
+      credentials: 'include', // 重要：携带 Cookie
+      headers: {
+        'Content-Type': 'application/json',
+      },
+    });
+
+    if (!response.ok) {
+      return { isAuthenticated: false };
+    }
+
+    const data = await response.json();
+
+    // 检查是否登录
+    if (!data.isAuthenticated || !data.user) {
+      return {
+        isAuthenticated: false,
+        message: '请先登录'
+      };
+    }
+
+    // 检查订阅权限
+    const canAccessChat = ['premium', 'pro', 'enterprise'].includes(
+      data.user.subscription_tier?.toLowerCase()
+    );
+
+    return {
+      isAuthenticated: true,
+      user: data.user,
+      canAccessChat,
+      message: canAccessChat ? undefined : '需要订阅才能使用 AI 助手功能'
+    };
+  } catch (error) {
+    console.error('Auth check failed:', error);
+    return {
+      isAuthenticated: false,
+      message: '认证服务暂时不可用'
+    };
+  }
+}
+
+/**
+ * 调用 MCP API
+ * 自动携带认证信息
+ */
+export async function callMCPApi(endpoint: string, options: RequestInit = {}) {
+  const url = `${process.env.NEXT_PUBLIC_API_URL}${endpoint}`;
+
+  const response = await fetch(url, {
+    ...options,
+    credentials: 'include', // 携带 Cookie
+    headers: {
+      'Content-Type': 'application/json',
+      ...options.headers,
+    },
+  });
+
+  if (response.status === 401) {
+    // 未登录，跳转到主应用登录页
+    window.location.href = `${process.env.NEXT_PUBLIC_MAIN_APP_URL}/auth/sign-in?redirect=/chat`;
+    throw new Error('Unauthorized');
+  }
+
+  if (response.status === 403) {
+    // 无权限，跳转到订阅页
+    window.location.href = `${process.env.NEXT_PUBLIC_MAIN_APP_URL}/subscription?feature=ai-chat`;
+    throw new Error('Subscription required');
+  }
+
+  return response;
+}
+
+/**
+ * 登出（跳转到主应用的登出接口）
+ */
+export function logout() {
+  window.location.href = `${process.env.NEXT_PUBLIC_MAIN_APP_URL}/api/auth/logout?redirect=/`;
+}