import { unlinkSync } from 'node:fs';
import { resolve } from 'path';
const transpiler = Bun.Transpiler({
	loader: 'cjs',
});

export default {
	port: Bun.env.BUN_PORT || Bun.env.APP_PORT || 3000,
	async fetch(req) {
		const magicKey = Math.random().toString(36).substring(2, 10);
		const url = new URL(req.url);
		if (url.pathname == '/main.js') {
			const path = resolve(__dirname, `./.cache/`);
			const filename = `${magicKey}.js`;
			const file = Bun.file(resolve(path, filename));
			const result = await Bun.build({
				entrypoints: ['./src/main.js'],
				outdir: path,
				target: 'browser',
				splitting: true,
				naming: `[dir]/${filename}`,
			});

			console.log(result);

			const resp = new Response(file, {
				headers: { 'Cache-Control': 'no-cache' },
			});

			setTimeout(() => {
				unlinkSync(resolve(path, filename));
			}, 400);

			return resp;
		}
		if (url.pathname == '/')
			return new Response(Bun.file(resolve('./index.html')));
		return new Response('ERR 404: Not Found', { status: 404 });
	},
};