use clap::{App, Arg};

use VERSION;
use DEFAULT_HOST;
use DEFAULT_PORT_STR;
use DEFAULT_WORKERS_STR;

pub mod parse;

pub fn get_app() -> App<'static, 'static> {
    App::new("Dynamic DNS Server")
        .author("Drew Short, <warrick@sothr.com>")
        .version(VERSION)
        .about("Receive DDNS requests and update associated cloudflare subdomains")
        .args(&[
            Arg::with_name("config")
                .short("c")
                .long("config")
                .value_name("PATH")
                .default_value("/etc/rsddns/rsddns.yml")
                .help("Set a custom configuration file path.")
                .takes_value(true),
            Arg::with_name("host")
                .short("h")
                .long("host")
                .value_name("HOST")
                .default_value(&DEFAULT_HOST)
                .help("The address the server listens on.")
                .takes_value(true),
            Arg::with_name("port")
                .short("p")
                .long("port")
                .value_name("PORT")
                .default_value(&DEFAULT_PORT_STR)
                .help("The port to run the server on.")
                .takes_value(true),
            Arg::with_name("workers")
                .short("w")
                .long("workers")
                .value_name("NUMBER")
                .default_value(&DEFAULT_WORKERS_STR)
                .help("The number of workers to serve requests with (Defaults to the number of cores on the system).")
                .takes_value(true),
        ])
}