// 환경설정 로더. 프로젝트 루트(.env)를 읽어 데몬 전역 설정으로 노출한다.
import dotenv from 'dotenv';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const ROOT = path.resolve(__dirname, '..', '..'); // /home/opc/sundol

dotenv.config({ path: path.join(ROOT, '.env') });

function required(name) {
  const v = process.env[name];
  if (v === undefined || v === null || v === '') {
    throw new Error(`필수 환경변수 누락: ${name}`);
  }
  return v;
}

export const config = {
  root: ROOT,
  oracle: {
    user: required('ORACLE_USERNAME'),
    password: required('ORACLE_PASSWORD'),
    connectString: required('ORACLE_TNS_NAME'),
    walletPath: required('ORACLE_WALLET_PATH'),
    // thick 모드: Instant Client 라이브러리 + sso 지갑을 읽을 net 설정 디렉터리
    icLibDir: process.env.ORACLE_IC_LIB_DIR || '/home/opc/oracle-ic/instantclient_23_26',
    netConfigDir:
      process.env.ORACLE_NET_CONFIG_DIR ||
      path.join(ROOT, 'government', 'oracle-net'),
  },
  dataGoKr: {
    apiKey: process.env.DATA_GO_KR_API_KEY || '',
  },
  bizinfo: {
    crtfcKey: process.env.BIZINFO_CRTFC_KEY || '',
  },
  jina: {
    apiKey: process.env.JINA_READER_API_KEY || '',
  },
  cdpUrl: process.env.GOV_CDP_URL || 'http://127.0.0.1:9222',
  pollIntervalMinutes: Number(process.env.GOV_POLL_INTERVAL_MINUTES || 60),
};