const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');
const esbuild = require('esbuild');
const { prodOptions } = require('./esbuild-config.js');

async function build() {
  console.log('Starting build process...');

  // Ensure directories exist
  console.log('Creating directories...');
  execSync('node scripts/ensure-dirs.js', { stdio: 'inherit' });

  // Copy assets
  console.log('Copying assets...');
  execSync('node scripts/copy-assets.js', { stdio: 'inherit' });

  // Build CSS
  console.log('Building CSS...');
  execSync('npx tailwindcss -i ./src/client/styles.css -o ./public/bundle/styles.css --minify', { stdio: 'inherit' });

  // Bundle client JavaScript
  console.log('Bundling client JavaScript...');

  try {
    // Build main app bundle
    await esbuild.build({
      ...prodOptions,
      entryPoints: ['src/client/app-entry.ts'],
      outfile: 'public/bundle/client-bundle.js',
    });

    // Build test bundle
    await esbuild.build({
      ...prodOptions,
      entryPoints: ['src/client/test-entry.ts'],
      outfile: 'public/bundle/test.js',
    });

    console.log('Client bundles built successfully');
  } catch (error) {
    console.error('Build failed:', error);
    process.exit(1);
  }

  // Build server TypeScript
  console.log('Building server...');
  execSync('tsc', { stdio: 'inherit' });

  // Build native executable
  console.log('Building native executable...');

  // Check for --custom-node flag
  const useCustomNode = process.argv.includes('--custom-node');

  if (useCustomNode) {
    console.log('Using custom Node.js for smaller binary size...');
    execSync('node build-native.js --custom-node', { stdio: 'inherit' });
  } else {
    console.log('Using system Node.js...');
    execSync('node build-native.js', { stdio: 'inherit' });
  }

  console.log('Build completed successfully!');
}

// Run the build
build().catch(error => {
  console.error('Build failed:', error);
  process.exit(1);
});