const crypto = require('crypto');

function encode(inputString) {
  try {
    const algorithm = 'aes-256-cbc';
    const iv = crypto.randomBytes(16);
    const keyHex = 'd0ca711dc0c599de0847cb86f415cd34d602a322f0f07dc89bce9e1481f481b3';
    const derivedKey = Buffer.from(keyHex, 'hex');
    const cipher = crypto.createCipheriv(algorithm, derivedKey, iv);

    let encrypted = cipher.update(inputString, 'utf8', 'base64');
    encrypted += cipher.final('base64');

    const encryptedData = iv.toString('base64') + encrypted;
    console.log('Encrypted String:', encryptedData);
    return encryptedData;
  } catch (error) {
    console.error('Encryption failed:', error.message);
    return null;
  }
}

module.exports = encode;