# .env (NEVER commit)
HOOTSUITE_CLIENT_ID=your_client_id
HOOTSUITE_CLIENT_SECRET=your_client_secret
HOOTSUITE_REDIRECT_URI=https://your-app.com/callback
HOOTSUITE_ACCESS_TOKEN=  # Populated after OAuth flow

# .gitignore
.env
.env.local

// auth.ts — OAuth 2.0 authorization code flow
import 'dotenv/config';

const { HOOTSUITE_CLIENT_ID, HOOTSUITE_CLIENT_SECRET, HOOTSUITE_REDIRECT_URI } = process.env;

// Step 1: Redirect user to authorize
function getAuthUrl(): string {
  const params = new URLSearchParams({
    response_type: 'code',
    client_id: HOOTSUITE_CLIENT_ID!,
    redirect_uri: HOOTSUITE_REDIRECT_URI!,
    scope: 'offline',
  });
  return `https://platform.hootsuite.com/oauth2/auth?${params}`;
}

// Step 2: Exchange authorization code for tokens
async function exchangeCode(code: string) {
  const response = await fetch('https://platform.hootsuite.com/oauth2/token', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      'Authorization': `Basic ${Buffer.from(`${HOOTSUITE_CLIENT_ID}:${HOOTSUITE_CLIENT_SECRET}`).toString('base64')}`,
    },
    body: new URLSearchParams({
      grant_type: 'authorization_code',
      code,
      redirect_uri: HOOTSUITE_REDIRECT_URI!,
    }),
  });

  const tokens = await response.json();
  console.log('Access Token:', tokens.access_token);
  console.log('Refresh Token:', tokens.refresh_token);
  console.log('Expires In:', tokens.expires_in, 'seconds');
  return tokens;
}

// Step 3: Refresh expired token
async function refreshToken(refreshToken: string) {
  const response = await fetch('https://platform.hootsuite.com/oauth2/token', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      'Authorization': `Basic ${Buffer.from(`${HOOTSUITE_CLIENT_ID}:${HOOTSUITE_CLIENT_SECRET}`).toString('base64')}`,
    },
    body: new URLSearchParams({
      grant_type: 'refresh_token',
      refresh_token: refreshToken,
    }),
  });
  return response.json();
}

async function verifyConnection(accessToken: string) {
  const response = await fetch('https://platform.hootsuite.com/v1/me', {
    headers: { 'Authorization': `Bearer ${accessToken}` },
  });
  const user = await response.json();
  console.log('Connected as:', user.data.fullName);
  console.log('Organization:', user.data.organizationName);
  return user;
}