import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
import { spawnSync } from 'child_process';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const projectRoot = path.resolve(__dirname, '..');
const targets = ['src', 'tests'];

const collectFiles = (dir) => {
  if (!fs.existsSync(dir)) {
    return [];
  }
  const entries = fs.readdirSync(dir, { withFileTypes: true });
  return entries.flatMap((entry) => {
    const fullPath = path.join(dir, entry.name);
    if (entry.isDirectory()) {
      return collectFiles(fullPath);
    }
    if (entry.isFile() && fullPath.endsWith('.js')) {
      return [fullPath];
    }
    return [];
  });
};

const files = targets.flatMap((target) => collectFiles(path.join(projectRoot, target)));

const failures = [];

files.forEach((file) => {
  const result = spawnSync(process.execPath, ['--check', file], { stdio: 'inherit' });
  if (result.status !== 0) {
    failures.push(file);
  }
});

if (failures.length > 0) {
  process.exit(1);
}