use std::{env, process};

fn main() {
    let args: Vec<String> = env::args().collect();
    if args.len() == 1 {
        // first arg is executable
        swayout::print_layout_names();
    } else if args.len() == 2 {
        let arg = &args[1];
        if arg == "--automatic" {
            if let Some(layout_name) = swayout::apply_automatic() {
                println!("{}", layout_name);
            } else {
                eprintln!("no automatic layout available");
                process::exit(2)
            }
        } else {
            swayout::apply_layout(&args[1]);
        }
    } else {
        eprintln!("Usage: {} [layout]", args[0].as_str());
        process::exit(1)
    }
}