// @ts-nocheck
const jsonHeaders = { headers: [['Content-Type', 'application/json']] },
	queryHeaders = { headers: [['X-Powered-By', 'benchmark']] },
	notFound = new Response(null, { status: 404 }),
	hiRes = new Response('Hi')

function toResponse(json: unknown) {
	return new Response(JSON.stringify(json), jsonHeaders)
}

// json -> [106, 115, 111, 110]
// id/ -> [105, 100, 47]
// Simulate the maximum performance you can get with Bun.serve
// We should appreciate how frameworks make all these stuff easier :) - Reve
Deno.serve({ port: 3000 }, (req) => {
	const url = req.url

	const pathIndex = url.indexOf('/', 12) + 1
	const queryIndex = url.indexOf('?', pathIndex)
	const path =
		queryIndex === -1
			? url.substring(pathIndex)
			: url.substring(pathIndex, queryIndex)

	if (path.length === 0)
		return req.method === 'GET' ? hiRes.clone() : notFound

	switch (path.charCodeAt(0)) {
		case 105:
			if (
				path.charCodeAt(1) === 100 &&
				path.charCodeAt(2) === 47 &&
				req.method === 'GET'
			) {
				// Shouldn't include a slash and should have query
				if (queryIndex === -1 || path.indexOf('/', 3) !== -1)
					return notFound

				const nameQueryIdx = url.indexOf('name=', queryIndex + 1)
				if (nameQueryIdx === -1) return notFound

				const nameQueryEndIdx = url.indexOf('&', nameQueryIdx + 1)
				return new Response(
					`${path.substring(3, queryIndex)} ${
						nameQueryEndIdx === -1
							? url.substring(nameQueryIdx + 5)
							: url.substring(nameQueryIdx + 5, nameQueryEndIdx)
					}`,
					queryHeaders
				)
			}

			return notFound

		case 106:
			return path.charCodeAt(1) === 115 &&
				path.charCodeAt(2) === 111 &&
				path.charCodeAt(3) === 110 &&
				req.method === 'POST'
				? req.json().then(toResponse)
				: notFound

		default:
			return notFound
	}
})