use std::env;
use clap::Parser;

fn current_dir_as_string() -> String {
    env::current_dir()
        .unwrap()
        .into_os_string()
        .into_string()
        .unwrap()
}

#[derive(Parser, Debug)]
#[command(version, about, long_about = None)]
pub struct Args {
    /// Port for the web server to listen on.
    #[arg(short, long)]
    pub port: Option<u16>,

    /// Interface to print URLs for. Default is all interfaces.
    #[arg(short, long, default_value_t = String::from("all"))]
    pub interface: String,

    /// Directory to serve. Default is your current working directory.
    #[arg(short, long, default_value_t = current_dir_as_string())]
    pub directory: String,
}

pub fn parse_args() -> Args {
    Args::parse()
}