<?php 
function get_env($key, $default = null) {
  $value = getenv($key);
  if ($value === false) {
      return $default;
  }
  return $value;
}

$config = array();

# Debugging
if (get_env('DEBUG')) {
  $config['debug'] = $_ENV['DEBUG'];
}

# Database connection
$config['databaseConfiguration'] = array(
    'driver' => 'mysql',
    'host' => get_env('MYSQL_HOST', 'mysql'),
    'port' => get_env('MYSQL_PORT', 3306),
    'database' => get_env('MYSQL_DATABASE', 'flarum'),
    'username' => get_env('MYSQL_USER', 'flarum'),
    'password' => get_env('MYSQL_PASSWORD', 'flarum'),
);

# Site URL
$config['baseUrl'] = get_env('SITE_URL', 'http://localhost');

# Admin user
if (get_env('ADMIN_PASSWORD')) {
  $config['adminUser'] = array(
    'username' => get_env('ADMIN_USER', 'admin'),
    'password' => get_env('ADMIN_PASSWORD', 'password'),
    'email' => get_env('ADMIN_EMAIL', 'admin@example.com'),
  );
}

# Other settings
$config['settings'] = array(
  'forum_title' => get_env('FORUM_TITLE', 'A new Flarum forum'),
  'forum_description' => get_env('FORUM_DESCRIPTION', ''),
  'mail_driver' => get_env('MAIL_DRIVER', 'mail'),
  'mail_from' => get_env('MAIL_FROM', 'noreply@localhost'),
  'mail_host' => get_env('MAIL_HOST', 'localhost'),
  'mail_port' => get_env('MAIL_PORT', '25'),
  'mail_encryption' => get_env('MAIL_ENCRYPTION', ''), // "tls" or "ssl"
  'mail_username' => get_env('MAIL_USERNAME'), // required
  'mail_password' => get_env('MAIL_PASSWORD'), // required
  'theme_colored_header' => get_env('THEME_COLORED_HEADER', '0'),
  'theme_dark_mode' => get_env('THEME_DARK_MODE', '0'),
  'theme_primary_color' => get_env('THEME_PRIMARY_COLOR', '#4D698E'),
  'theme_secondary_color' => get_env('THEME_SECONDARY_COLOR', '#4D698E'),
  'welcome_message' => get_env('WELCOME_MESSAGE', 'Enjoy your new forum! Hop over to discuss.flarum.org if you have any questions, or to join our community!'),
  'welcome_title' => get_env('WELCOME_TITLE', 'Welcome to Flarum'),
);

yaml_emit_file('./config.yaml', $config);