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

/**
 * Load the repository `.env` (two levels above apps/api) when present, then the cwd `.env`.
 * Values already set in the environment win (process.loadEnvFile never overrides).
 */
export function loadEnv(): void {
  const here = path.dirname(fileURLToPath(import.meta.url));
  const candidates = [path.resolve(here, '../../../../.env'), path.resolve(process.cwd(), '.env')];
  for (const candidate of candidates) {
    if (!existsSync(candidate)) continue;
    try {
      process.loadEnvFile(candidate);
    } catch {
      /* ignore malformed files */
    }
  }
  process.env.CI_SERVICE ??= 'api';
}

export const API_HOST = () => process.env.API_HOST ?? '127.0.0.1';
export const API_PORT = () => Number(process.env.API_PORT ?? 8251);