module docker

import net.unix
import net.urllib
import net.http

const socket = '/var/run/docker.sock'

const buf_len = 1024

fn request(method string, url urllib.URL) ?http.Response {
	req := '$method $url.request_uri() HTTP/1.1\nHost: localhost\n\n'

	// Open a connection to the socket
	mut s := unix.connect_stream(docker.socket) ?

	defer {
		// This or is required because otherwise, the V compiler segfaults for
		// some reason
		s.close() or {}
	}

	// Write the request to the socket
	s.write_string(req) ?

	// Wait for the server to respond
	s.wait_for_write() ?

	mut buf := []byte{len: docker.buf_len}
	mut res := []byte{}

	mut c := 0

	for {
		c = s.read(mut buf) or { return error('Failed to read data from socket.') }
		res << buf[..c]

		if c < docker.buf_len {
			break
		}
	}

	// Decode chunked response
	return http.parse_response(res.bytestr())
}

fn get(url urllib.URL) ?http.Response {
	return request('GET', url)
}