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

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

// Run via tsx so we can import TS modules
const { validateSystemDefinition } = await import('../app/shared/systemValidate.ts');
const { computeDerived } = await import('../app/shared/derived.ts');

const presetsDir = path.join(root, 'presets');
const files = fs.readdirSync(presetsDir).filter((f) => f.endsWith('.json') && !f.includes('sample'));

let failed = 0;
for (const file of files) {
  const system = JSON.parse(fs.readFileSync(path.join(presetsDir, file), 'utf8'));
  const v = validateSystemDefinition(system);
  if (!v.ok) {
    console.error('FAIL validate', file, v.errors);
    failed += 1;
    continue;
  }
  const attrs = {};
  for (const a of system.bricks.attributes ?? []) {
    attrs[a.key] = typeof a.default === 'number' ? a.default : 10;
  }
  try {
    computeDerived(system.bricks.derived ?? [], { attributes: attrs });
    console.log('OK', file);
  } catch (e) {
    console.error('FAIL derived', file, e);
    failed += 1;
  }
}

if (failed) {
  console.error(`preset-smoke: ${failed} failed`);
  process.exit(1);
}
console.log(`preset-smoke: ${files.length} presets ok`);