jianhen-voc/backend/modules/fmode-amazon-sp-api/test_auth.ts

import { SpApiClient } from './src/client.ts';
import { SpApiConfig } from './src/types.ts';

const config: SpApiConfig = {
  clientId: process.env.AMAZON_LWA_CLIENT_ID || '',
  clientSecret: process.env.AMAZON_LWA_CLIENT_SECRET || '',
  refreshToken: process.env.AMAZON_REFRESH_TOKEN || '',
  region: 'us-east-1'
};

if (!config.clientId || !config.clientSecret || !config.refreshToken) {
  throw new Error('Set AMAZON_LWA_CLIENT_ID, AMAZON_LWA_CLIENT_SECRET and AMAZON_REFRESH_TOKEN');
}

console.log('Initializing SP-API Client with environment credentials');

const client = new SpApiClient(config);

async function testAuth() {
  try {
    console.log('Attempting to fetch Access Token...');
    // 通过访问私有方法或者触发请求来测试
    // 由于 getAccessToken 是私有的，我们通过 request 方法触发它
    // 我们故意请求一个不存在的端点，如果能走到 404，说明 Auth 成功了
    // 如果是 400/401 且来自 Amazon Auth Server，说明 Auth 失败
    const response = await client.request({
      method: 'GET',
      path: '/orders/v0/orders',
      query: {
        MarketplaceIds: ['ATVPDKIKX0DER'], // getOrders expects MarketplaceIds as a list
        CreatedAfter: '2023-10-01T00:00:00Z'
      }
    });
    console.log('Response:', JSON.stringify(response, null, 2));
    console.log('Request executed successfully.');
  } catch (error: any) {
    console.log('Test finished with error.');
    
    if (error.response) {
      console.log('HTTP Status:', error.response.status);
      console.log('Response Data:', JSON.stringify(error.response.data, null, 2));
      
      // 分析错误来源
      if (error.config && error.config.url && error.config.url.includes('api.amazon.com/auth/o2/token')) {
         console.error('❌ LWA Authentication Failed: Unable to get Access Token.');
      } else if (error.response.status === 403) {
         console.log('✅ Access Token acquired successfully! (But API request forbidden/invalid as expected with dummy creds)');
      } else if (error.response.status === 404) {
         console.log('✅ Access Token acquired successfully! (API endpoint not found)');
      } else if (error.response.status === 401) {
          console.log('❌ API Unauthorized: Access Token might be invalid or expired immediately.');
      } else {
          // 如果是我们预期的 token 请求错误
          if (error.message.includes('refresh_token')) {
              console.error('❌ LWA Token Error:', error.message);
          }
      }
    } else {
      console.error('Error Message:', error.message);
    }
  }
}

testAuth();