const express = require('express');
const router = express.Router();
const fs = require('fs');
const config = require('../../config');

router.get('/', (req, res) => {
  const health = {
    status: 'healthy',
    timestamp: new Date().toISOString(),
    uptime: process.uptime(),
    scriptalizer: config.scriptalizer.licenseKey ? 'configured' : 'missing',
    storage: {
      cache: fs.existsSync(config.paths.cache) && isWritable(config.paths.cache),
      output: fs.existsSync(config.paths.output) && isWritable(config.paths.output)
    }
  };

  const allHealthy = health.scriptalizer === 'configured' &&
                     health.storage.cache &&
                     health.storage.output;

  res.status(allHealthy ? 200 : 503).json(health);
});

function isWritable(path) {
  try {
    fs.accessSync(path, fs.constants.W_OK);
    return true;
  } catch {
    return false;
  }
}

module.exports = router;