#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const { spawnSync } = require('child_process');

const root = path.resolve(__dirname, '..');

function fail(message) {
  console.error(`FAIL ${message}`);
  process.exitCode = 1;
}

function ok(message) {
  console.log(`OK ${message}`);
}

function checkFile(relativePath) {
  const fullPath = path.join(root, relativePath);
  if (!fs.existsSync(fullPath)) fail(`missing ${relativePath}`);
  else ok(relativePath);
}

function checkJson(relativePath) {
  const fullPath = path.join(root, relativePath);
  try {
    JSON.parse(fs.readFileSync(fullPath, 'utf8'));
    ok(`${relativePath} json`);
  } catch (error) {
    fail(`${relativePath} json: ${error.message}`);
  }
}

function checkNode(relativePath) {
  const fullPath = path.join(root, relativePath);
  const child = spawnSync(process.execPath, ['--check', fullPath], { encoding: 'utf8' });
  if (child.status === 0) ok(`${relativePath} syntax`);
  else fail(`${relativePath} syntax: ${child.stderr || child.stdout}`);
}

function walk(dir, predicate, result = []) {
  for (const name of fs.readdirSync(dir)) {
    const fullPath = path.join(dir, name);
    const stat = fs.statSync(fullPath);
    if (stat.isDirectory()) walk(fullPath, predicate, result);
    else if (predicate(fullPath)) result.push(fullPath);
  }
  return result;
}

[
  'README.md',
  'openclaw-startup.md',
  'skill-package-manifest.json',
  'install.js',
  'memory-templates/industry-trend-profile.json',
  'scripts/industry-trend-runner.js',
  'scripts/industry-trend-report.js',
  'skills/industry-trend-runner/SKILL.md',
  'skills/industry-trend-runner/api-config.json'
].forEach(checkFile);

[
  'skill-package-manifest.json',
  'memory-templates/industry-trend-profile.json'
].forEach(checkJson);

walk(path.join(root, 'skills'), file => path.basename(file) === 'api-config.json')
  .forEach(file => checkJson(path.relative(root, file)));

walk(path.join(root, 'scripts'), file => file.endsWith('.js'))
  .forEach(file => checkNode(path.relative(root, file)));
checkNode('install.js');

if (process.exitCode) process.exit(process.exitCode);