import fs from 'fs-extra';

export const updateEmailConfig = async (confPath: string, sender: string, recipient: string) => {
  let content = '';
  if (await fs.pathExists(confPath)) {
    content = await fs.readFile(confPath, 'utf-8');
    content = content.replace(/^SEND_EMAIL=.*/m, 'SEND_EMAIL="YES"');
    content = content.replace(/^EMAIL_SENDER=.*/m, `EMAIL_SENDER="${sender}"`);
    content = content.replace(/^DEFAULT_RECIPIENT_EMAIL=.*/m, `DEFAULT_RECIPIENT_EMAIL="${recipient}"`);
    if (!/^SEND_EMAIL=.*/m.test(content)) content += `\nSEND_EMAIL="YES"`;
    if (!/^EMAIL_SENDER=.*/m.test(content)) content += `\nEMAIL_SENDER="${sender}"`;
    if (!/^DEFAULT_RECIPIENT_EMAIL=.*/m.test(content)) content += `\nDEFAULT_RECIPIENT_EMAIL="${recipient}"`;
  } else {
    content = [
      'SEND_EMAIL="YES"',
      `EMAIL_SENDER="${sender}"`,
      `DEFAULT_RECIPIENT_EMAIL="${recipient}"`
    ].join('\n');
  }
  await fs.writeFile(confPath, content, 'utf-8');
  console.log(`✅ Email notification config updated at ${confPath}`);
};