use io::{mode};
use io;
use os::exec;
use os;
use strings;
use temp;
use fs;
use fmt;

export fn run_code(code: str) (str, str) = {
	let tmp_dir = temp::dir();
	defer os::rmdirall(tmp_dir)!;

	let path = fmt::asprintf("{}/main.ha", tmp_dir);
	defer free(path);

	let fp = os::create(path, 0o644)!;
	io::writeall(fp, strings::toutf8(code))!;
	io::close(fp)!;

	let cmd = exec::cmd("hare", "run", path)!;

	let stdout_pipe = exec::pipe();
	exec::addfile(&cmd, os::stdout_file, stdout_pipe.1);

	let stderr_pipe = exec::pipe();
	exec::addfile(&cmd, os::stderr_file, stderr_pipe.1);

	let proc = exec::start(&cmd)!;
	io::close(stdout_pipe.1)!;
	io::close(stderr_pipe.1)!;

	let status = exec::wait(&proc)!;

	let stdout_data = io::drain(stdout_pipe.0)!;
	io::close(stdout_pipe.0)!;

	let stderr_data = io::drain(stderr_pipe.0)!;
	io::close(stderr_pipe.0)!;

	let stdout = strings::fromutf8(stdout_data) as str;
	let stderr = strings::fromutf8(stderr_data) as str;

	return (stdout, stderr);
};