import type { ClientRequestArgs } from 'node:http';
import http from 'node:http';
import url from 'node:url';
import { blue, green } from 'picocolors';
import { optimize } from './optimizer/index';

const startDevServer = (): void => {
  const startTime = Date.now();
  const server = http.createServer((req, res) => {
    const { pathname } = url.parse(`http://${req.headers.host}${req.url}`);
    if (pathname === '/') {
      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end('<h1>Hello world</h1>');
    } else {
      res.writeHead(404, { 'Content-Type': 'text/html' });
      res.end('<h1>Not Found</h1>');
    }
  });

  server.on('clientError', (err, socket) => {
    socket.end('HTTP/1.1 400 Bad Request\r\n\r\n');
  });

  server.listen(8080, async () => {
    const { port } = server.address() as ClientRequestArgs; // { address: '::', family: 'IPv6', port: 8080 }
    const root = process.cwd();
    await optimize(root);
    console.log(green('🚀 No-Bundle 服务已经成功启动!'), `耗时: ${Date.now() - startTime}ms`);
    console.log(`> 本地访问路径: ${blue(`http://localhost:${port}`)}`);
  });
};

export { startDevServer };