import fs from 'node:fs';

// `.env` loading is a local/dev convenience only.
// In the repo-driven Hetzner+k3s bootstrap flow, Kubernetes injects runtime
// environment variables from Secrets/ConfigMaps and already-present process.env
// values always win over anything on disk.
export function loadDotenv(path = '.env') {
  if (!fs.existsSync(path)) return;
  const lines = fs.readFileSync(path, 'utf8').split(/\r?\n/);
  for (const raw of lines) {
    const line = raw.trim();
    if (!line || line.startsWith('#') || !line.includes('=')) continue;
    const [key, ...rest] = line.split('=');
    const value = rest.join('=').trim().replace(/^['"]|['"]$/g, '');
    if (!(key.trim() in process.env)) process.env[key.trim()] = value;
  }
}