#!/usr/bin/env node

import { execSync } from 'child_process';
import { readFileSync, writeFileSync } from 'fs';
import { resolve } from 'path';

console.log('🚀 Building standalone QR Code Utils bundle...\n');

try {
  // Build the standalone bundle
  console.log('📦 Building with Vite...');
  execSync('npm run build:standalone', { stdio: 'inherit' });
  
  // Get bundle info
  const bundlePath = resolve('./dist/qr-code-utils.iife.js');
  const bundleStats = readFileSync(bundlePath, 'utf8');
  const bundleSize = (bundleStats.length / 1024).toFixed(2);
  
  console.log('\n✅ Standalone bundle created successfully!');
  console.log(`📁 Location: dist/qr-code-utils.iife.js`);
  console.log(`📏 Size: ${bundleSize} KB`);
  
  // Create bundle info file
  const bundleInfo = {
    name: 'qr-code-utils',
    version: '1.0.0',
    description: 'Standalone QR Code Generator with Image Support',
    formats: ['ES Module', 'UMD', 'IIFE'],
    dependencies: ['qrcode', 'imagetracer'],
    size: `${bundleSize} KB`,
    usage: {
      browser: '<script src="qr-code-utils.iife.js"></script>',
      esm: 'import { generateQRCode } from "qr-code-utils.es.js"',
      umd: 'const { generateQRCode } = require("qr-code-utils.umd.js")'
    }
  };
  
  writeFileSync('./dist/bundle-info.json', JSON.stringify(bundleInfo, null, 2));
  
  console.log('\n📋 Bundle Information:');
  console.log('   • Includes all dependencies (qrcode, imagetracer)');
  console.log('   • No external dependencies required');
  console.log('   • Works in browsers, Node.js, and bundlers');
  console.log('   • Optimized and minified for production');
  
  console.log('\n🎯 Usage Examples:');
  console.log('   Browser: <script src="qr-code-utils.iife.js"></script>');
  console.log('   ESM: import { generateQRCode } from "qr-code-utils.es.js"');
  console.log('   UMD: const { generateQRCode } = require("qr-code-utils.umd.js")');
  
  console.log('\n📖 See examples/standalone-bundle-example.html for a complete example');
  
} catch (error) {
  console.error('❌ Build failed:', error.message);
  process.exit(1);
}