use std::env::args;

use wolz_lib::{error::WResult, wolz::Wolz};

fn main() -> WResult<()> {
    let arg_1 = args().nth(1);
    let Some(arg_1) = arg_1 else {
        print_usage();
        return Ok(());
    };

    let wolz = Wolz::create()?;
    wolz.wake_up(&arg_1)?;
    Ok(())
}

fn print_usage() {
    println!(
        "{}",
        r#"usage: woly ARG

Options:
    ARG     Either the mac address of the device to send the wol magic
            packet to, or a nickname specified in woly.conf to lookup
            the mac.
            Eg: woly aa:bb:cc:dd:ee:ff
            Eg: woly potato
                where potato is configured in the woly.conf file as
                potato=aa:bb:cc:dd:ee:ff

Config file:
    Filename   woly.conf
    Location   $WOLY_CONFIG_DIR/woly.conf, then $XDG_CONFIG_DIR/woly.conf,
               then $HOME/woly.conf
    Format     one KEY=VALUE per line without spaces
    Example    potato=aa:bb:cc:dd:ee:ff
               idly=12:34:23:e2:3d:ff
"#
    );
}