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

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

// Minimaler .env Parser (keine externe Abhaengigkeit noetig)
function loadEnv() {
  const file = path.join(ROOT, '.env');
  if (!fs.existsSync(file)) return;
  const txt = fs.readFileSync(file, 'utf8');
  for (const line of txt.split(/\r?\n/)) {
    const trimmed = line.trim();
    if (!trimmed || trimmed.startsWith('#')) continue;
    const idx = trimmed.indexOf('=');
    if (idx === -1) continue;
    const key = trimmed.slice(0, idx).trim();
    const val = trimmed.slice(idx + 1).trim();
    if (!(key in process.env)) process.env[key] = val;
  }
}

loadEnv();

export const config = {
  ROOT,
  PORT: Number(process.env.PORT || 3000),
  JWT_SECRET: process.env.JWT_SECRET || 'dev-secret-change-me',
  FINNHUB_API_KEY: process.env.FINNHUB_API_KEY || '',
  START_BALANCE: Number(process.env.START_BALANCE || 10000),
  DATA_DIR: path.join(ROOT, 'data'),
  PUBLIC_DIR: path.join(ROOT, 'public'),
  UPLOADS_DIR: path.join(ROOT, 'data', 'uploads', 'avatars'),
  FILES_DIR: path.join(ROOT, 'data', 'uploads', 'files'),
};

if (!fs.existsSync(config.DATA_DIR)) fs.mkdirSync(config.DATA_DIR, { recursive: true });
if (!fs.existsSync(config.UPLOADS_DIR)) fs.mkdirSync(config.UPLOADS_DIR, { recursive: true });
if (!fs.existsSync(config.FILES_DIR)) fs.mkdirSync(config.FILES_DIR, { recursive: true });