import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const projectRoot = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');

export function loadProjectEnv() {
  for (const file of ['.env', '.env.local']) {
    const filePath = path.join(projectRoot, file);
    if (!fs.existsSync(filePath)) continue;
    for (const line of fs.readFileSync(filePath, 'utf8').split('\n')) {
      const trimmed = line.trim();
      if (!trimmed || trimmed.startsWith('#')) continue;
      const eq = trimmed.indexOf('=');
      if (eq < 0) continue;
      const key = trimmed.slice(0, eq).trim();
      const value = trimmed.slice(eq + 1).trim();
      if (!process.env[key]) process.env[key] = value;
    }
  }
  return projectRoot;
}

export { projectRoot };