//! Minimal bot that listens on iroh and prints its endpoint id.
//!
//! ```bash
//! cargo run --example bot -- --name scout --cookie secret
//! ```

use clap::Parser;
use erl_iroh::bot::Bot;
use erl_iroh::powers::Powers;
use tracing_subscriber::EnvFilter;

#[derive(Parser, Debug)]
#[command(name = "bot", about = "erl-iroh bot that listens for peers")]
struct Args {
    /// Short node name (becomes name@iroh).
    #[arg(long, default_value = "scout")]
    name: String,

    /// Erlang distribution cookie.
    #[arg(long, default_value = "erl-iroh-cookie")]
    cookie: String,
}

#[tokio::main]
async fn main() -> erl_iroh::Result<()> {
    tracing_subscriber::fmt()
        .with_env_filter(EnvFilter::from_default_env().add_directive("erl_iroh=info".parse().unwrap()))
        .init();

    let args = Args::parse();

    let bot = Bot::builder(args.name)
        .cookie(args.cookie)
        .powers(Powers::all())
        .build()
        .await?;

    bot.listen_iroh().await?;

    println!("node:        {}", bot.node_name());
    println!("endpoint id: {}", bot.endpoint_id());
    println!("powers:      {}", bot.powers());
    println!("waiting for peers (Ctrl-C to quit)…");

    tokio::signal::ctrl_c().await?;
    println!("bye");
    Ok(())
}