// 示例：获取授权码
const authUrl = `https://www.linkedin.com/oauth/v2/authorization?response_type=code&client_id=${CLIENT_ID}&redirect_uri=${REDIRECT_URI}&state=${STATE}&scope=${SCOPES}`;

// 示例：交换访问令牌
async function getAccessToken(code) {
  const response = await fetch('https://www.linkedin.com/oauth/v2/accessToken', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
    },
    body: new URLSearchParams({
      grant_type: 'authorization_code',
      code: code,
      redirect_uri: REDIRECT_URI,
      client_id: CLIENT_ID,
      client_secret: CLIENT_SECRET,
    }),
  });
  return await response.json();
}

async function postToGroup(groupId, content, accessToken) {
  const postUrl = `https://api.linkedin.com/v2/ugcPosts`;
  
  const postData = {
    author: `urn:li:person:${YOUR_MEMBER_ID}`,
    lifecycleState: "PUBLISHED",
    specificContent: {
      "com.linkedin.ugc.ShareContent": {
        shareCommentary: {
          text: content
        },
        shareMediaCategory: "NONE"
      }
    },
    visibility: {
      "com.linkedin.ugc.MemberNetworkVisibility": "CONTAINER",
      container: `urn:li:group:${groupId}`
    }
  };

  const response = await fetch(postUrl, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-Restli-Protocol-Version': '2.0.0',
      'Authorization': `Bearer ${accessToken}`
    },
    body: JSON.stringify(postData)
  });

  return await response.json();
}