#!/usr/bin/env node
// recompileaza-contract.mjs: arata ca AereAgentWallet2of2.json spune adevarul despre sursa lui (2026-09-29). Da intrarea standard a
// compilatorului din artefact (sursele si setarile) unui solc 0.8.23 ales de cel care verifica, si cere ca codul de desfasurare si
// codul de rulare sa iasa OCTET CU OCTET cele din artefact; codul de pe lant il compara apoi verifica-plati.mjs. Controlul metodei e
// inauntru: aceeasi intrare cu un singur caracter schimbat intr-un comentariu al sursei TREBUIE sa dea alt cod (amprenta metadatelor),
// altfel comparatia nu poate deosebi nimic si iesirea e NEMASURAT.
//   node recompileaza-contract.mjs --solc <cale catre solc 0.8.23 nativ>      iesire 0 IDENTIC, 1 DIFERIT, 2 NEMASURAT
//   (solc 0.8.23: github.com/ethereum/solidity/releases/tag/v0.8.23, sau npx solc@0.8.23 cu --solcjs)
import fs from 'node:fs';
import path from 'node:path';
import { spawnSync } from 'node:child_process';
import { fileURLToPath } from 'node:url';
import { incarcaArtefact } from './contract-2of2.mjs';

const a = process.argv.slice(2); const get = (f) => { const i = a.indexOf(f); return i >= 0 ? a[i + 1] : undefined; };
const solc = get('--solc'); const solcjs = a.includes('--solcjs');
if (!solc && !solcjs) { console.log('usage: node recompileaza-contract.mjs --solc <path to a native solc 0.8.23> | --solcjs (runs npx solc@0.8.23)'); process.exit(2); }
const art = incarcaArtefact();
const cheama = (args, intrare) => solcjs
  ? spawnSync(process.platform === 'win32' ? 'npx.cmd' : 'npx', ['--yes', 'solc@0.8.23', ...args], { input: intrare, encoding: 'utf8', maxBuffer: 1 << 28, shell: process.platform === 'win32', timeout: 600000 })
  : spawnSync(solc, args, { input: intrare, encoding: 'utf8', maxBuffer: 1 << 28, timeout: 600000 });
const ver = cheama(['--version']);
const versiune = ((ver.stdout || '') + (ver.stderr || '')).match(/0\.8\.23\+commit\.[0-9a-f]+/);
if (!versiune) { console.log(`NEMASURAT: the compiler is not solc 0.8.23 (${String((ver.stdout || ver.stderr || (ver.error && ver.error.message) || '').trim()).slice(0, 100)})`); process.exit(2); }
const compileaza = (input) => {
  const r = cheama(['--standard-json'], JSON.stringify(input));
  let o = null; try { o = JSON.parse(r.stdout); } catch { return { eroare: `no JSON from the compiler (exit ${r.status})` }; }
  const erori = (o.errors || []).filter((e) => e.severity === 'error');
  if (erori.length) return { eroare: erori.map((e) => e.formattedMessage || e.message).join(' | ').slice(0, 200) };
  const c = o.contracts && o.contracts[art.sourcePath] && o.contracts[art.sourcePath][art.contractName];
  return c ? { bytecode: '0x' + c.evm.bytecode.object, deployedBytecode: '0x' + c.evm.deployedBytecode.object } : { eroare: 'the output has no such contract' };
};
const r = compileaza(art.standardJsonInput);
if (r.eroare) { console.log(`NEMASURAT: ${r.eroare}`); process.exit(2); }
// controlul metodei: un comentariu schimbat trebuie sa schimbe codul
const alt = JSON.parse(JSON.stringify(art.standardJsonInput));
alt.sources[art.sourcePath].content = alt.sources[art.sourcePath].content.replace('HONEST SCOPE', 'HONEST SCOPF');
const rc = compileaza(alt);
if (rc.eroare || alt.sources[art.sourcePath].content === art.standardJsonInput.sources[art.sourcePath].content || rc.deployedBytecode === r.deployedBytecode) {
  console.log(`NEMASURAT: the method control failed (a changed comment did not change the code${rc.eroare ? ': ' + rc.eroare : ''})`); process.exit(2);
}
// copia de citit a sursei (contract/AereAgentWallet2of2.sol, in pachetul publicat) trebuie sa fie chiar sursa compilata
const citibil = path.join(path.dirname(fileURLToPath(import.meta.url)), 'contract', 'AereAgentWallet2of2.sol');
const copieBuna = !fs.existsSync(citibil) || fs.readFileSync(citibil, 'utf8').replace(/\r\n/g, '\n') === art.standardJsonInput.sources[art.sourcePath].content;
const bun = r.bytecode === art.bytecode && r.deployedBytecode === art.deployedBytecode && copieBuna;
console.log(`  compiler: solc ${versiune[0]}${solcjs ? ' (solcjs)' : ''}`);
console.log(fs.existsSync(citibil) ? `  ${copieBuna ? 'OK  ' : 'FAIL'} contract/AereAgentWallet2of2.sol is the compiled source` : '  --   no readable copy of the source next to this script (contract/AereAgentWallet2of2.sol)');
console.log(`  ${r.bytecode === art.bytecode ? 'OK  ' : 'FAIL'} creation code: ${(r.bytecode.length - 2) / 2} bytes`);
console.log(`  ${r.deployedBytecode === art.deployedBytecode ? 'OK  ' : 'FAIL'} runtime code: ${(r.deployedBytecode.length - 2) / 2} bytes`);
console.log(`  OK   method control: one changed character in a comment gives another runtime code`);
console.log(bun ? 'IDENTICAL: the artifact is the compilation of its source' : 'DIFFERENT: the artifact is not the compilation of its source, or the readable copy is not that source');
process.exitCode = bun ? 0 : 1;