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const express = require('express');
const axios = require('axios');
const app = express();
const port = 3000;

// Replace with your Battle.net API credentials
const clientId = 'YOUR_CLIENT_ID';
const clientSecret = 'YOUR_CLIENT_SECRET';
const redirectUri = 'http://localhost:3000/callback';

app.get('/callback', async (req, res) => {
  const authorizationCode = req.query.code;

  try {
    // Exchange the authorization code for an access token
    const response = await axios.post('https://us.battle.net/oauth/token', null, {
      params: {
        client_id: clientId,
        client_secret: clientSecret,
        code: authorizationCode,
        redirect_uri: redirectUri,
        grant_type: 'authorization_code',
      },
    });

    const accessToken = response.data.access_token;

    // You can now use the accessToken to make authenticated requests to the Battle.net API

    // For example, you can fetch the user's Battle.net account information
    const userInfoResponse = await axios.get('https://us.battle.net/oauth/userinfo', {
      headers: {
        Authorization: `Bearer ${accessToken}`,
      },
    });

    const userInfo = userInfoResponse.data;

    // Handle the user's information or perform any other desired actions

    res.send(`Logged in as ${userInfo.battletag}`);
  } catch (error) {
    console.error('Error:', error.message);
    res.status(500).send('An error occurred');
  }
});

app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});