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// 获取OAuth授权URL
const response = await fetch('/api/auth/gmail-oauth?locale=en');
const data = await response.json();

if (data.authUrl) {
  // 重定向到Google授权页面
  window.location.href = data.authUrl;
} else {
  console.error('获取授权URL失败:', data.error);
}

import { GmailService } from '@/lib/gmail-service';

// 创建Gmail服务实例
const gmailService = new GmailService(accessToken);

// 获取收件箱邮件
const inbox = await gmailService.getInbox(10);
console.log('收件箱邮件:', inbox);

// 搜索邮件
const searchResults = await gmailService.searchEmails('from:example@gmail.com', 5);
console.log('搜索结果:', searchResults);

// 获取特定邮件
const message = await gmailService.getMessage(messageId);
console.log('邮件详情:', message);

// 发送邮件
const emailParams = {
  to: 'recipient@example.com',
  subject: '测试邮件',
  body: '这是一封测试邮件的内容。',
  cc: 'cc@example.com', // 可选
  attachments: [ // 可选
    {
      filename: 'document.pdf',
      mimeType: 'application/pdf',
      content: base64EncodedContent
    }
  ]
};

const result = await gmailService.sendEmail(emailParams);
console.log('邮件发送成功:', result);

// 刷新访问令牌
async function refreshAccessToken(refreshToken) {
  try {
    const response = await fetch('/api/auth/refresh-token', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ refresh_token: refreshToken })
    });

    const data = await response.json();
    
    if (data.access_token) {
      // 使用新的访问令牌
      console.log('令牌刷新成功:', data.access_token);
      return data;
    } else {
      throw new Error(data.error || '刷新令牌失败');
    }
  } catch (error) {
    console.error('刷新令牌错误:', error);
    throw error;
  }
}