meteor add service-configuration
meteor add accounts-google
meteor add google-oauth

// server/config.js
ServiceConfiguration.configurations.upsert(
  { service: 'google' },
  {
    $set: {
      clientId: 'your-client-id.apps.googleusercontent.com',
      secret: 'your-client-secret',
      loginStyle: 'popup'
    }
  }
);

// 客户端代码
Meteor.loginWithGoogle({
  requestPermissions: ['email', 'profile', 'https://www.googleapis.com/auth/calendar']
}, function(err) {
  if (err) {
    console.error('Login error:', err);
  } else {
    console.log('Logged in successfully!');
  }
});

// 客户端或服务器端代码
const callCalendarApi = function(accessToken) {
  const url = 'https://www.googleapis.com/calendar/v3/calendars/primary/events';
  
  HTTP.get(url, {
    headers: {
      'Authorization': `Bearer ${accessToken}`
    },
    params: {
      maxResults: 10,
      singleEvents: true,
      orderBy: 'startTime',
      timeMin: new Date().toISOString()
    }
  }, (error, response) => {
    if (error) {
      console.error('API call error:', error);
    } else {
      console.log('Calendar events:', response.data.items);
    }
  });
};

// 获取当前用户的访问令牌
const accessToken = Meteor.user().services.google.accessToken;
callCalendarApi(accessToken);

// 服务器端代码
Accounts.onLogin(function(attempt) {
  if (attempt.user && attempt.user.services && attempt.user.services.google) {
    const service = attempt.user.services.google;
    const refreshToken = service.refreshToken;
    
    if (service.expiresAt < new Date()) {
      // 实现令牌刷新逻辑
      refreshAccessToken(refreshToken, function(err, newToken) {
        if (!err) {
          Meteor.users.update(attempt.user._id, {
            $set: {
              'services.google.accessToken': newToken.access_token,
              'services.google.expiresAt': new Date(Date.now() + (newToken.expires_in * 1000))
            }
          });
        }
      });
    }
  }
});