start.js

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

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

console.log('=======================================================');
console.log('🎯 Olive AI LLM TELEMETRY SYSTEM LAUNCHER');
console.log('=======================================================');

const nodeModulesPath = path.join(__dirname, 'node_modules');

// 1. If node_modules is missing, run npm install automatically
if (!fs.existsSync(nodeModulesPath)) {
  console.log('📦 node_modules folder not found. Automatically running "npm install"...');

  const npmInstall = spawn('npm', ['install'], {
    shell: true,
    stdio: 'inherit',
    cwd: __dirname
  });

  npmInstall.on('close', (code) => {
    if (code === 0) {
      console.log('✅ Dependencies successfully installed.');
      bootExpressServer();
    } else {
      console.error(`❌ Dependency installation failed (exit code ${code}).`);
      console.error('Please run "npm install" manually before running start.js.');
    }
  });
} else {
  // 2. If node_modules exists, boot the Express server instantly
  bootExpressServer();
}

/**
 * Dynamically imports and boots the main Express application
 */
function bootExpressServer() {
  console.log('🚀 Initializing databases and starting telemetry server...');
  import('./server/index.js').catch(err => {
    console.error('❌ Failed to launch backend server:', err.message);
  });
}