use anyhow::{Context, Result};
use std::net::{Ipv4Addr, UdpSocket};

pub(crate) fn wake(host: [u8; 6]) -> Result<()> {
    let mut magic_packet = vec![0xffu8; 6];
    let mut payload = host
        .to_vec()
        .iter()
        .map(|x| *x)
        .cycle()
        .take(16 * 6)
        .collect::<Vec<_>>();
    magic_packet.append(&mut payload);

    let socket = UdpSocket::bind((Ipv4Addr::new(0, 0, 0, 0), 0)).context("")?;
    socket
        .set_broadcast(true)
        .context("Couldn't set socket to broadcasting")?;
    socket.send_to(&magic_packet[..], (Ipv4Addr::new(255, 255, 255, 255), 9))?;

    Ok(())
}