#!/usr/bin/env node
/**
 * Merge mint/RPC/bitcoind keys from repo .env into production env fragment (no stdout secrets).
 *
 *   node scripts/deployment/sync-production-mint-env.mjs --write .env.production-mint.fragment
 */
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const repoRoot = path.resolve(__dirname, '../..');
const envFile = process.env.OMNL_BANK_ENV || path.join(repoRoot, '.env');

function parseEnv(file) {
  const out = {};
  if (!fs.existsSync(file)) return out;
  for (const line of fs.readFileSync(file, 'utf8').split(/\r?\n/)) {
    if (!line || line.startsWith('#') || !line.includes('=')) continue;
    const i = line.indexOf('=');
    out[line.slice(0, i).trim()] = line.slice(i + 1);
  }
  return out;
}

const env = parseEnv(envFile);
const keys = [
  'OMNL_MINT_OPERATOR_PRIVATE_KEY',
  'RPC_URL_138',
  'CHAIN_138_RPC_URL',
  'SETTLEMENT_ALLOW_CHAIN_MINT_EXECUTE',
  'OMNL_ALLOW_CHAIN_MINT_EXECUTE',
  'BITCOIND_RPC_URL',
  'BITCOIND_RPC_USER',
  'BITCOIND_RPC_PASS',
  'BTC_NETWORK',
  'BTC_CONFIRMATIONS_REQUIRED',
  'OMNL_BTC_WALLET_CONFIG',
  'OMNL_BTC_LEDGER_CONFIG',
  'CBTC_ADDRESS_138',
  'DODO_PMM_INTEGRATION',
  'CHAIN138_ORACLE_URL',
];

const lines = keys
  .filter((k) => env[k]?.trim())
  .map((k) => `${k}=${env[k].trim()}`);

const writeArg = process.argv.indexOf('--write');
if (writeArg >= 0) {
  const out = process.argv[writeArg + 1] || path.join(repoRoot, '.env.production-mint.fragment');
  fs.writeFileSync(out, `${lines.join('\n')}\n`, 'utf8');
  console.log(`Wrote ${lines.length} keys to ${out}`);
} else {
  console.log(lines.map((l) => `${l.split('=')[0]}=***`).join('\n'));
}