import * as esbuild from 'esbuild';
import { networkInterfaces } from 'node:os';
import { mkdir, copyFile } from 'node:fs/promises';

const args = process.argv.slice(2);
const serve = args.includes('--serve');
const index = args.indexOf('--port');
const port = index >= 0 ? Number(args[index + 1]) : Number(process.env.PORT || 8002);
const ctx = await esbuild.context({
  entryPoints: ['web/main.ts'], bundle: true, format: 'iife', target: 'es2020',
  outfile: serve ? 'web/dist/app.js' : 'release/dist/app.js', minify: !serve, sourcemap: serve, logLevel: 'info',
  define: { __DEV__: JSON.stringify(serve) },
});
if (serve) {
  await ctx.watch();
  const result = await ctx.serve({ host: '0.0.0.0', port, servedir: 'web' });
  console.log(`\n连连气球  http://localhost:${result.port}`);
  for (const item of Object.values(networkInterfaces()).flat()) {
    if (item?.family === 'IPv4' && !item.internal) console.log(`手机同一 Wi-Fi： http://${item.address}:${result.port}`);
  }
} else {
  await mkdir('release', { recursive: true });
  for (const file of ['index.html', 'style.css']) await copyFile(`web/${file}`, `release/${file}`);
  await ctx.rebuild();
  await ctx.dispose();
  console.log('离线 / 静态发布目录：release/');
}