/**
 * Generate .htpasswd file for Nginx basic authentication
 * 
 * This script creates a .htpasswd file from the bcrypt hash provided in the
 * PASSWORD_HASH environment variable.
 */

const fs = require('fs');
const path = require('path');

// Get username from environment variable or use default
const USERNAME = process.env.AUTH_USERNAME || 'user';

// Get password hash from environment variable
const passwordHash = process.env.PASSWORD_HASH || '$2a$10$EgxHKjDDFcZKtQY9hl/N4.QvEQHCXVnQXw9dzFYlUDVKOcLMGp9eq';

// For Nginx basic auth, we need to use the format: username:{PLAIN}password
// This is simpler and more reliable than trying to use bcrypt hashes with Nginx
// Extract the original password from environment variable if available
const plainPassword = process.env.AUTH_PASSWORD || 'password';

// Format for .htpasswd with plaintext password
const htpasswdContent = `${USERNAME}:{PLAIN}${plainPassword}`;

// Path to the .htpasswd file
const htpasswdPath = '/etc/nginx/.htpasswd';

// Write the .htpasswd file
try {
  fs.writeFileSync(htpasswdPath, htpasswdContent);
  console.log(`Generated .htpasswd file at ${htpasswdPath}`);
} catch (error) {
  console.error(`Error generating .htpasswd file: ${error.message}`);
  process.exit(1);
}

console.log('Basic authentication setup complete');