#![no_std]
#![no_main]

use core::time::Duration;

use os_std::syscall;
os_std::custom_std_setup! {}

fn main() {
    // let mut input = String::new();
    // let mut file = syscall::open("/dev/fb0");
    // syscall::seek(&mut file, SeekFrom::End(-3));
    // syscall::write(&mut file, &[255; 6400 * 50]);
    syscall::sleep(Duration::from_secs_f64(2.0));
    let mut stdin = syscall::open("/dev/tty0");
    let mut file = syscall::open("/dev/tty0");
    loop {
        let mut test = [0; 2];
        syscall::read(&mut stdin, &mut test);
        let len = *test.iter().find(|x| **x == 0).unwrap_or(&1) + 1;
        syscall::write(
            &mut file,
            str::from_utf8(&test[..len as usize]).unwrap().as_bytes(),
        );
    }
    // println!(
    //     "Hello from PIC program loaded dynamically with custom std and a better justfile, and syscalls ! {:?}",
    //     str::from_utf8(&test)
    // );
}